music-score/src/state.ts

import { closeToast, showToast } from "vant";
import { nextTick, reactive, watch } from "vue";
import { OpenSheetMusicDisplay } from "../osmd-extended/src";
import { metronomeData } from "./helpers/metronome";
import { GradualNote, GradualTimes, GradualVersion } from "./type";
import { handleEndEvaluat, handleStartEvaluat } from "./view/evaluating";
import { IFingering, mappingVoicePart, subjectFingering, matchVoicePart } from "/src/view/fingering/fingering-config";
import { handleStartTick, closeTick } from "./view/tick";
import { audioListStart, getAudioCurrentTime, getAudioDuration, setAudioCurrentTime, setAudioPlaybackRate, audioData } from "./view/audio-list";
import { toggleFollow } from "./view/follow-practice";
import { browser, setStorageSpeed, setGlobalData } from "./utils";
import { api_cloudGetMediaStatus, api_createMusicPlayer, api_cloudChangeSpeed, api_cloudSuspend, api_cloudSetCurrentTime, api_cloudDestroy } from "./helpers/communication";
import { verifyCanRepeat, getDuration } from "./helpers/formateMusic";
import { getMusicSheetDetail } from "./utils/baseApi"
import { getQuery } from "/src/utils/queryString";
import { followData, skipNotePractice } from "/src/view/follow-practice/index"
import { changeSongSourceByBate } from "/src/view/audio-list"
import { moveSmoothAnimation, smoothAnimationState, moveSmoothAnimationByPlayTime, moveTranslateXNum, destroySmoothAnimation } from "/src/page-instrument/view-detail/smoothAnimation"
import { storeData } from "/src/store";
import { downloadXmlStr } from "./view/music-score"
import { musicScoreRef } from "/src/page-instrument/view-detail/index"

const query: any = getQuery();

/** 入门 | 进阶 | 大师 */
export type IDifficulty = "BEGINNER" | "ADVANCED" | "PERFORMER";
/** 渲染类型: 五线谱,简谱 */
export enum EnumMusicRenderType {
  /** 五线谱 */
  staff = "staff",
  /** 简谱 */
  firstTone = "firstTone",
  /** 固定音高 */
  fixedTone = "fixedTone",
}
export const musicscoresettingKey = "musicscoresetting";
/** 有声音的是那个音源 */
export type IPlayState = "music" | "background" | "mingSong";
/** 播放状态 */
export type IAudioState = "play" | "paused";

/** 来源 */
export enum IPlatform {
  APP = "APP",
  PC = "PC",
}

export type ISonges = {
  background?: string
  music?: string
}

/**
 * 特殊教材分类id
 */
const classids = [1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 30, 31, 35, 36, 38, 108, 150, 151, 152, 153, 154, 155, 156, 157, 158, 178, 179, 180, 181, 182]; // 大雅金唐, 竖笛教程, 声部训练展开的分类ID

// 乐器code码
export const musicalInstrumentCodeInfo = [
  {
    name: '长笛',
    code: 'Flute',
    id: 1
  },
  {
    name: '短笛',
    code: 'Piccolo',
    id: 2
  },
  {
    name: '单簧管',
    code: 'Clarinet',
    id: 3
  },
  {
    name: '低音单簧管',
    code: 'Bass Clarinet',
    id: 4
  },
  {
    name: '中音萨克斯',
    code: 'Alto Saxophone',
    id: 5
  },
  {
    name: '次中音萨克斯',
    code: 'Tenor Saxophone',
    id: 6
  },
  {
    name: '高音萨克斯',
    code: 'Soprano Saxophone',
    id: 7
  },
  {
    name: '上低音萨克斯',
    code: 'Baritone Saxophone',
    id: 8
  },
  {
    name: '双簧管',
    code: 'Oboe',
    id: 9
  },
  {
    name: '大管',
    code: 'Bassoon',
    id: 10
  },
  {
    name: '小号',
    code: 'Trumpet',
    id: 11
  },
  {
    name: '圆号',
    code: 'Horn',
    id: 12
  },
  {
    name: '长号',
    code: 'Trombone',
    id: 13
  },
  {
    name: '上低音号',
    code: 'Baritone',
    id: 14
  },
  {
    name: '次中音号',
    code: 'Euphonium',
    id: 15
  },
  {
    name: '大号',
    code: 'Tuba',
    id: 16
  },
  {
    name: '钢琴',
    code: 'Piano',
    id: 17
  },
  {
    name: '电钢琴',
    code: 'Electronical Piano',
    id: 18
  },
  {
    name: '钢片琴',
    code: 'Glockenspiel',
    id: 19
  },
  {
    name: '小提琴',
    code: 'Violin',
    id: 20
  },
  {
    name: '中提琴',
    code: 'Viola',
    id: 21
  },
  {
    name: '大提琴',
    code: 'Violoncello',
    id: 22
  },
  {
    name: '低音提琴',
    code: 'Contrabass',
    id: 23
  },
  {
    name: '架子鼓',
    code: 'Drum Set',
    id: 24
  },
  {
    name: '小鼓',
    code: 'Snare Drum',
    id: 25
  },
  {
    name: '马林巴',
    code: 'Marimba',
    id: 26
  },
  {
    name: '颤音琴',
    code: 'Vibraphone',
    id: 27
  },
  {
    name: '钟琴',
    code: 'Chimes',
    id: 28
  },
  {
    name: '木琴',
    code: 'Xylophone',
    id: 29
  },
  {
    name: '管钟',
    code: 'Tubular Bells',
    id: 30
  },
  {
    name: '定音鼓',
    code: 'Timpani',
    id: 31
  },
  {
    name: '键盘',
    code: 'Mallets',
    id: 32
  },
  {
    name: '排箫',
    code: 'Panpipes',
    id: 33
  },
  {
    name: '陶笛',
    code: 'Ocarina',
    id: 34
  },
  {
    name: '葫芦丝',
    code: 'Woodwind',
    id: 35
  },
  {
    name: '口风琴',
    code: 'Nai',
    id: 36
  },
  {
    name: '德式竖笛',
    code: 'Tenor Recorder',
    id: 37
  },
  {
    name: '英式竖笛',
    code: 'Baroque Recorder',
    id: 38
  },
  {
    name: '高音陶笛',
    code: 'Whistling',
    id: 39
  },
]

const state = reactive({
  /** 来源 : PC , app */
  platform: "" as IPlatform,
  appName: "" as "GYM" | "COLEXIU",
  musicRenderType: EnumMusicRenderType.staff as EnumMusicRenderType,
  /**曲谱是否渲染完成 */
  musicRendered: false,
  /** 当前曲谱数据ID, 和曲谱ID不一致 */
  detailId: "",
  /** 曲谱资源URL */
  xmlUrl: "",
  /** 声部ID */
  subjectId: 0 as number,
  trackId: 0 as string | number,
  isVip: false, // 是否会员
  /** 分类ID */
  categoriesId: 0,
  /** 分类名称 */
  categoriesName: "",
  /** 是否支持评测 */
  enableEvaluation: true,
  /** 是否支持转谱 */
  enableNotation: false,
  /** 曲谱ID */
  examSongId: "",
  /** 内容平台的曲谱ID，可能会和业务端的id不一样 */
  cbsExamSongId: "",
  /** 曲谱名称 */
  examSongName: "",
  /** 曲谱封面 */
  coverImg: "",
  /** 扩展字段 */
  extConfigJson: {} as any,
  /** 扩展样式字段 */
  extStyleConfigJson: {} as any,
  /** 是否开启节拍器(mp3节拍器) */
  isOpenMetronome: false,
  /** 演唱模式是否开启节拍器(mp3节拍器) */
  isSingOpenMetronome: false,
  /** 是否显示指法 */
  isShowFingering: false,
  /** 原音 */
  music: "",
  /** 伴奏 */
  accompany: "",
  /** 范唱 */
  fanSong: "",
  /** 伴唱 */
  banSong: "",
  /** 唱名 */
  mingSong: "",
  /** 节拍器音乐资源 */
  beatSong: {
    music: "",
    accompany: "",
    fanSong: "",
    banSong: "",
    mingSong: ""
  },
  /** midiURL */
  midiUrl: "",
  /** 父分ID */
  parentCategoriesId: 0,
  /** 分类ID */
  musicSheetCategoriesId: 0,
  /** 各产品端的分类ID，（管乐迷、管乐团、酷乐秀、课堂乐器） */
  bizMusicCategoryId: 0,
  /** 资源类型: mp3 | midi */
  playMode: "MP3" as "MP3" | "MIDI",
  /** 设置的速度 */
  speed: 0,
  /** 曲谱音频正常的速度 */
  originSpeed: 0,
  /** 播放过程中显示的速度 */
  playIngSpeed: 0,
  /** 分轨名称 */
  track: "",
  /** 当前显示声部索引 */
  partIndex: 0,
  /** 演奏是否需要节拍器 */
  needTick: false,
  /** 演唱模式是否需要节拍器 */
  needSingTick: false,
  /** 曲谱实例 */
  osmd: null as unknown as OpenSheetMusicDisplay,
  /**是否是特殊乐谱类型, 主要针对管乐迷  */
  isSpecialBookCategory: false,
  /** 播放状态 */
  playState: "paused" as IAudioState,
  /** 播放结束状态 */
  playEnd: false,
  /** 播放类型 演奏 演唱 */
  playType: "play" as "play" | "sing",
  /** 播放那个: 原音,伴奏 */
  playSource: "music" as IPlayState,
  /** 播放进度 */
  playProgress: 0,
  /** 激活的note index */
  activeNoteIndex: 0,
  /** 激活的小节 */
  activeMeasureIndex: 0,
  /** 选段状态 */
  sectionStatus: false,
  /** 选段数据 */
  section: [] as any[],
  /** 选段背景 */
  sectionBoundingBoxs: [] as any[],
  /** 开启选段预备 */
  isOpenPrepare: false,
  /** 选段预备 */
  sectionFirst: null as any,
  /** 音符数据 */
  times: [] as any[],
  /** 播放模式 */
  modeType: "practise" as "practise" | "follow" | "evaluating",
  /** 设置 */
  setting: {
    /** 效音提醒 */
    soundEffect: true,
    /** 护眼模式 */
    eyeProtection: false,
    /** 摄像头 */
    camera: false,
    /** 摄像头透明度 */
    cameraOpacity: 70,
    /** 循环播放 */
    repeatAutoPlay: true,
    /** 显示指法 */
    displayFingering: true,
    /** 显示光标 */
    displayCursor: true,
    /** 频率 */
    frequency: 0,
    /** 评测难度 */
    evaluationDifficulty: "BEGINNER" as IDifficulty,
    /** 保存到相册 */
    saveToAlbum: true,
    /** 开启伴奏 */
    enableAccompaniment: true,
    /** 反应时间 */
    reactionTimeMs: 0,
    /** 节拍器音量 */
    beatVolume: 50
  },
  /** 后台设置的基准评测频率 */
  baseFrequency: 440,
  /** mp3节拍器的时间，统计拍数、速度计算得出，evxml通过读取xml元素获取 */
  fixtime: 0,
  /** evxml等待播放的时间 */
  evXmlBeginTime: 0,
  /** 第二遍循环evxml等待播放的时间 */
  secondEvXmlBeginTime: 0,
  /** evxml等待播放的时间集合，多遍反复播放，会有多个timegap(前奏)时间 */
  evXmlBeginArr: [] as any,
  /** 指法信息 */
  fingeringInfo: {} as IFingering,
  /** 滚动容器的ID */
  scrollContainer: "musicAndSelection",
  /** 是否是打击乐 */
  isPercussion: false,
  /** 评测标准 */
  evaluationStandard: '',
  /** 是否重复节拍器的时间 */
  repeatedBeats: 0,
  /**当前曲谱中所有声部名字 */
  partListNames: [] as any,
  /** 渐变速度信息 */
  gradual: [] as GradualNote[],
  /** 渐变速度版本 */
  gradualVersion: GradualVersion.BASE as GradualVersion,
  /** 渐变时间信息 */
  gradualTimes: null as GradualTimes,
  /** 单声部多声轨 */
  multitrack: 0,
  /** 缩放 */
  zoom: 0.8,
  /** 渲染曲谱比例 */
  musicZoom: 1,
  /** 练习,评测是否是选段模式 */
  isSelectMeasureMode: false,
  /** 是否是评分显示 */
  isReport: false,
  /** 是否隐藏评测报告弹窗，保存演奏按钮，默认不隐藏 */
  isHideEvaluatReportSaveBtn: false,
  /** 是否是合奏 */
  isConcert: false,
  /** 用户选择的结束小节数 */
  userChooseEndIndex: 0,
  /** 重播小节集合信息 */
  repeatInfo: [] as any,
  /** 多分轨的曲子，可支持筛选的分轨 */
  canSelectTracks: [] as any,
  /** 声部codeId */
  subjectCodeId: 0 as number,
  /** 乐器codeId，用于匹配乐器指法、声部转调、特殊声部处理等 */
  musicalCodeId: 0 as number,
  /** 乐器code，用于评测传参 */
  musicalCode: '' as any,
  /** 合奏曲目是否合并展示 */
  isCombineRender: false,
  /** 小节的持续时长，以后台设置的播放速度计算 */
  measureTime: 0,
  /** 跟练模式，节拍器播放的时间 */
  beatStartTime: 0,
  /** 是否为详情预览模式 */
  isPreView: false,
  /** 是否为评测报告模式 */
  isEvaluatReport: false,
  /** midi播放器是否初始化中 */
  midiPlayIniting: false,
  /** 曲目信息 */
  songs: {} as ISonges,
  isAppPlay: false, // 是否midi音频，midi是app播放
  /** 音频播放器实例 */
  audiosInstance: null as any,
  /** midi音频的时长 */
  durationNum: 0,
  midiSectionStart: 0,
  /** 音频文件是否加载完成 */
  audioDone: false,
  /** 是否为单行谱渲染模式 */
  isSingleLine: false,
  /** 是否是evxml */
  isEvxml: false,
  noTimes: [] as any,
  /** 老师端：功能按钮布局方向 */
  playBtnDirection: "left" as "left" | "right",
  /** 云练习按钮方向，如果有指法并且是竖向的指法，为了防止播放按钮把指法挡住，此时云练习播放按钮方向应该取反 */
  musicScoreBtnDirection: "right" as "left" | "right",
  /** 是否在老师端上课页面 */
  isAttendClass: false,
  /** 引导页信息 */
  guideInfo: null as any,
  noteCoords: [] as any,
  specialPosInit: false,
  /** 资源类型 */
  paymentType: null,
  /** 播放模式，默认练习模式 */
  defaultModeType: 1,
  /** 音符最多歌词次数 */
  maxLyricNum: 0,
  /** 小节dom集合 */
  vfmeasures: [] as SVGAElement[],
  /** 作曲家 */
  musicComposer: '',
  /** 作词家 */
  musicLyricist: '',
  /** 加载中的文案 */
  loadingText: '音频资源加载中，请稍后…',
});
const browserInfo = browser();
let offset_duration = 0;
/** 自定义数据 */
export const customData = reactive({
  /** 自定义音符时值 */
  customNoteRealValue: [] as any,
  /** 自定义音符按读取到的时值 */
  customNoteCurrentTime: false,
});
/** 在渲染前后计算光标应该走到的音符 */
const setStep = () => {
  // console.log('播放状态',state.playState)
  if (state.playState !== "play") {
    console.log("暂停播放");
    return;
  }
  let startTime = Date.now();
  requestAnimationFrame(() => {
    const endTime = Date.now();
    // 渲染时间大于16.6,就会让页面卡顿, 如果渲染时间大与16.6就下一个渲染帧去计算
    if (endTime - startTime < 16.7) {
      handlePlaying();
      setStep();
    } else {
      setTimeout(() => {
        handlePlaying();
        setStep();
      }, 16.7);
    }
  });
};
/** 开始播放 */
export const onPlay = () => {
  console.log("开始播放", '音频总时长:', getAudioDuration());
  state.playEnd = false;
  // offset_duration = browserInfo.xiaomi ? 0.2 : 0.08;
  offset_duration = 0.2;
  setStep();
};

/** 播放模式结束自动重播 */
const autoResetPlay = () => {
  if (state.modeType !== "practise") return;
  skipNotePlay(0, true);
  // 没有开启自动重播, 不是练习模式
  if (!state.setting.repeatAutoPlay) return;
  scrollViewNote();
  setTimeout(() => {
    togglePlay("play");
  }, 1000);
};

/** 播放完成事件 */
export const onEnded = () => {
  console.log("音频播放结束");
  // if (state.isAppPlay) {
  //     // 销毁播放器
  //     api_cloudDestroy();
  // }
  if (state.playEnd) {
    console.log('音频播放结束，无需再次执行')
    return
  }
  // 修改状态为结束
  state.playEnd = true;
  state.playState = "paused";
  // 结束播放
  audioListStart(state.playState);
  // 调用结束评测
  handleEndEvaluat(true);
  // 调用自动重复播放
  autoResetPlay();
};

/**
 * 播放一直触发的事件
 */
const handlePlaying = () => {
  const currentTime = getAudioCurrentTime();
  const duration = getAudioDuration();
  state.playProgress = (currentTime / duration) * 100;
  let item = getNote(currentTime);
  // console.log(11111,currentTime,duration,state.playSource, item)
  // console.log(item?.i,item?.noteId,item?.measureSpeed,'播放')
  // 练习模式下，实时刷新小节速度
  if (item && state.modeType === "practise" && state.playState === "play" && item.measureSpeed && item.measureSpeed !== state.playIngSpeed) {
    const ratio = state.speed / state.originSpeed
    state.playIngSpeed = Math.ceil(ratio * item.measureSpeed) || state.speed
  } else if (state.modeType === "practise" && state.playState === "play" && item && !item.measureSpeed) {
    state.playIngSpeed = state.speed
  }
  state.playIngSpeed = state.playIngSpeed || state.speed;
  if (item) {
    // 选段状态下
    if (state.sectionStatus && state.section.length === 2) {
      // 如果开启了预备拍
      const selectStartItem = state.sectionFirst ? state.sectionFirst : state.section[0];
      const selectEndItem = state.section[1];

      /**
       * #9374，反复小节的曲目播放错误, bug修复
       * 曲目：噢！苏珊娜-排箫-人音
       * 现象：重播小节为2-9，选段为4-12，当播完第9小节后会回到第2小节重播2-8，再播放10-12
       * 4-12，不符合重播规则，所以播完第9小节后，音频需要跳转到第10小节播放
       */
      if (state.repeatInfo.length) {
        const canRepeatInfo = verifyCanRepeat(state.section[0].MeasureNumberXML, state.section[1].MeasureNumberXML)
        const repeatIdx = canRepeatInfo.repeatIdx == -1 ? 0 : canRepeatInfo.repeatIdx
        if (state.modeType === "practise" && !canRepeatInfo.canRepeat && state.section[1].MeasureNumberXML > state.repeatInfo[repeatIdx].end) {
          const preItem = state.times[item.i - 1]
          if (preItem && preItem.MeasureNumberXML > item.MeasureNumberXML) {
            const skipItem = state.times.find((item: any) => item.MeasureNumberXML === preItem.MeasureNumberXML + 1)
            if (skipItem) {
              // 跳转到指定的音频位置
              setAudioCurrentTime(skipItem.time, skipItem.i);
              gotoNext(skipItem);
              return
            }
          }
        }
      }

      // if (Math.abs(selectEndItem.endtime - currentTime) < offset_duration) {
      // if (currentTime - selectEndItem.endtime > offset_duration) {
      //console.log(currentTime,selectEndItem.endtime)
      if (currentTime - selectEndItem.endtime >= 0) {
        console.log("选段播放结束", state.setting.repeatAutoPlay);
        // 如果为选段评测模式
        if (state.modeType === "evaluating" && state.isSelectMeasureMode) {
          onEnded();
          return;
        }
        // #8698 bug修复
        if (state.modeType === "practise" && state.sectionStatus) {
          onEnded();
          resetPlaybackToStart();
          return;
        }
        item = selectStartItem;
        setAudioCurrentTime(selectStartItem.time, selectStartItem.i);
      }
    }
    gotoNext(item);
  }

  // 评测不播放叮咚节拍器
  // if (state.modeType !== "evaluating") {
  //   metronomeData.metro?.sound(currentTime);
  // }
  metronomeData.metro?.sound(currentTime);
  // 一行谱，需要滚动小节
  if (state.isSingleLine) {
    moveSmoothAnimationByPlayTime()
  }

};
/** 跳转到指定音符开始播放 */
export const skipNotePlay = async (itemIndex: number, isStart = false) => {
  const item = state.times[itemIndex];
  let itemTime = item.time;
  if (isStart) {
    itemTime = 0;
  }
  if (item) {
    setAudioCurrentTime(itemTime, itemIndex);
    // 一行谱，点击音符，或者播放完成，需要跳转音符位置
    gotoNext(item, true);
    metronomeData.metro?.sound(itemTime);
    if (state.isAppPlay) {
      await api_cloudSetCurrentTime({
        currentTime: itemTime * 1000,
        songID: state.examSongId,
      })
      audioData.progress = itemTime
      state.midiSectionStart = itemTime
    }
    // 如果是跟练模式
    if (followData.start) {
      skipNotePractice()
    }
  }
};

/**
 * 切换曲谱播放状态
 * @param playState 可选: 默认 undefined, 需要切换的状态 play:播放, paused: 暂停
 */
export const togglePlay = async (playState?: "play" | "paused", sourceType?: string) => {
  // 如果mp3资源还在加载中，给出提示
  if (!state.isAppPlay && !state.audioDone) {
    if (sourceType !== 'courseware') showToast('音频资源加载中，请稍后')
    return
  }
  // 播放之前  当为评测模式和不为MIDI时候按  是否禁用节拍器  切换音源
  if ((playState ? playState : state.playState === "paused" ? "play" : "paused") === 'play' && state.modeType === "practise" && state.playMode !== "MIDI") {
    console.log("设置音源")
    changeSongSourceByBate(metronomeData.disable)
  }
  // midi播放
  if (state.isAppPlay) {
    if (playState === "paused") {
      await api_cloudSuspend({
        songID: state.examSongId,
      })
      state.playState = 'paused'
      return
    }
    skipNotePlay(state.activeNoteIndex, false);
    await api_cloudChangeSpeed({
      speed: state.modeType === "evaluating" ? state.originSpeed : state.speed,
      originalSpeed: state.originSpeed,
      songID: state.examSongId,
    });
    const cloudGetMediaStatus = await api_cloudGetMediaStatus();
    const status = cloudGetMediaStatus?.content.status === "suspend" ? "play" : "paused"
    state.playState = status
  } else {
    state.playState = playState ? playState : state.playState === "paused" ? "play" : "paused";
  }
  if (state.playState === "play" && state.sectionStatus && state.section.length == 2 && state.playProgress === 0) {
    resetPlaybackToStart();
  }
  // 当在节拍器播放期间暂停的话 就暂停节拍器
  if (state.playState === "paused") {
    closeTick()
  }
  // 设置为开始播放时, 如果需要节拍,先播放节拍器   只有在当前播放时间不为0的时候开启节拍器
  if (state.playState === "play" && getAudioCurrentTime() === 0 && ((state.playType === "play" && state.needTick) || (state.playType === "sing" && state.needSingTick))) {
    // 如果是系统节拍器 等系统节拍器播完了再播，如果是mp3节拍器 直接播
    if ((state.playType === "play" && !state.isOpenMetronome) || (state.playType === "sing" && !state.isSingOpenMetronome)) {
      const tickend = await handleStartTick();
      // console.log("🚀 ~ tickend:", tickend)
      // 节拍器返回false, 取消播放
      if (!tickend) {
        state.playState = "paused";
        return false;
      }
    } else {
      handleStartTick()
    }
  }
  // 如果选段没有结束, 直接开始播放,清空选段状态
  if (state.playState == "play") {
    if (state.sectionStatus && state.section.length < 2) {
      clearSelection();
    }
  }
  audioListStart(state.playState);
  return true;
};
/** 结束播放 */
export const handleStopPlay = () => {
  state.playState = "paused";
  audioListStart(state.playState);
};

/** 重置播放为开始 */
export const resetPlaybackToStart = () => {
  // 如果为选段状态
  if (state.sectionStatus && state.section.length === 2) {
    state.section = formateSelectMearure(state.section);
    return;
  } else {
    // 非选段状态，重播需要重置当前选中的小节为第一个小节
    metronomeData.activeMetro = metronomeData.metroMeasure[0]?.[0] || {};
  }
  skipNotePlay(0, true);
};

/** 跳转到指定音符 */
export const gotoCustomNote = (index: number) => {
  try {
    state.osmd.cursor.reset();
  } catch (error) { }
  for (let i = 0; i < index; i++) {
    state.osmd.cursor.next();
  }
};

// 找出离目标元素最近的音符
const computedDistance = (x: number, y: number) => {
  let minDistance = -1, minidx = 0;
  let a, b, c;
  state.noteCoords.forEach((note: any, idx: any) => {
    //a，b为直角三角形的两个直角边
    a = Math.abs(note.x - x)
    b = Math.abs(note.y - y)
    //c为直角三角形的斜边
    c = Math.sqrt(a * a + b * b) as 0
    c = Number(c.toFixed(0)) as 0
    if (c !== 0 && (minDistance === - 1 || c < minDistance)) {
      //min为元素中离目标元素最近元素的距离
      minDistance = c
      minidx = idx
    }
  })
  return minidx
};

const customNotePosition = (note: any, cursor: any) => {
  const specialIds = ['1788850864767643649', '1788502467554750466', '1788501975122489346'];
  if (specialIds.includes(state.cbsExamSongId) && note.multipleRestMeasures === 0) {
    const pageLeft = document.getElementById('scrollContainer')?.getBoundingClientRect()?.x || 0;
    // 元素的位置
    const element = document.getElementById('cursorImg-0')?.getBoundingClientRect?.() || { x: 0, y: 0 };
    // 找出距离元素最近的音符
    if (element.x && element.y) {
      const noteIdx = computedDistance(element.x, element.y);
      const targetX = state.noteCoords[noteIdx]?.x - pageLeft;
      console.log('音符索引', noteIdx)
      cursor.cursorElement.style.left = targetX + "px";
      cursor.cursorElement.style.transform = `translateX(0px)`;
    }

  }
}

const setCursorPosition = (note: any, cursor: any, flag?: string) => {
  // console.log('音符',note?.i,state.osmd.Cursor.noteGraphicalId,note.svgElement?.attrs?.id)

  if (state.musicRenderType === EnumMusicRenderType.firstTone || state.musicRenderType === EnumMusicRenderType.fixedTone) {
    /**
     * bug：#9920、#9940
     * 简谱选段模式，预备小节为休止小节时，选段播放结束，指针会重置到第一小节位置的初始位置
     */
    if (state.sectionStatus && state.playState === 'paused' && state.sectionFirst && (note.multipleRestMeasures || note.MeasureNumberXML !== state.sectionFirst?.MeasureNumberXML)) {
      return

    }
    const specialIds = ['1788850864767643649', '1788502467554750466', '1788501975122489346'];
    if (specialIds.includes(state.cbsExamSongId) && note.multipleRestMeasures === 0) {
      // console.log('音符idx',note?.i,cursor.cursorElement.style.left)
      const cursorLeft = cursor?.cursorElement?.style?.left ? parseFloat(cursor.cursorElement.style.left) : 0;
      let patchX = 0;
      if (state.cbsExamSongId == '1788502467554750466') {
        if (state.musicRenderType === EnumMusicRenderType.firstTone) {
          patchX = (note.i == 0 || note.i == 60) ? 21 : (note.i == 1 || note.i == 7 || note.i == 23 || note.i == 38 || note.i == 44 || note.i == 52 || note.i == 58) ? -6 : (note.i >= 2 || note.i <= 6) || (note.i >= 8 || note.i <= 22) || (note.i >= 24 || note.i <= 37) || (note.i >= 39 || note.i <= 43) || (note.i >= 45 || note.i <= 51) || (note.i >= 53 || note.i <= 57) || (note.i == 59) ? 6 : 0;
        }
        if (state.musicRenderType === EnumMusicRenderType.fixedTone) {
          patchX = note.i == 0 ? 31 : (note.i == 8 || note.i == 14 || note.i == 30 || note.i == 45 || note.i == 51 || note.i == 59 || note.i == 65) ? -10 : note.i == 67 ? 31 : 0;
        }
      } else if (state.cbsExamSongId == '1788501975122489346') {
        if (state.musicRenderType === EnumMusicRenderType.firstTone) {
          patchX = (note.i == 0) ? 21 : (note.i == 1 || note.i == 7 || note.i == 23 || note.i == 38 || note.i == 44 || note.i == 52 || note.i == 58) ? -6 : (note.i == 9 || note.i == 10 || note.i == 12 || note.i == 13) ? 3 : (note.i == 14 || note.i == 30 || note.i == 45 || note.i == 51 || note.i == 59) ? 6 : (note.i == 45) ? -8 : (note.i >= 15 || note.i <= 29) || (note.i >= 31 || note.i <= 36) || (note.i >= 38 || note.i <= 44) || (note.i >= 46 || note.i <= 50) || (note.i >= 52 || note.i <= 58) || (note.i >= 60 || note.i <= 64) || (note.i == 66) ? 4 : 0;
        }
        if (state.musicRenderType === EnumMusicRenderType.fixedTone) {
          patchX = note.i == 0 ? 31 : (note.i == 8 || note.i == 14 || note.i == 30 || note.i == 45 || note.i == 51 || note.i == 59 || note.i == 65) ? -10 : note.i == 67 ? 31 : 0;
        }
      }
      if (flag === 'refresh' || (flag === 'init' && !state.specialPosInit)) {
        // console.log('音符idx',note?.i,cursor.cursorElement.style.left)
        cursor.cursorElement.style.left = cursorLeft + patchX + "px";
        state.specialPosInit = true;
      }
    } else {
      nextTick(() => {
        let bbox = note.bbox;
        if (!bbox) {
          const musicContainer = document.getElementById("musicAndSelection")?.getBoundingClientRect() || {
            x: 0,
            y: 0,
          };
          const parentLeft = musicContainer.x || 0;
          const noteEle = document.querySelector(`#vf-${note.svgElement?.attrs?.id}`);
          if (noteEle) {
            const noteHead = noteEle.querySelector(".vf-numbered-note-head");
            const noteHeadBbox = noteHead?.getBoundingClientRect?.();
            if (noteHeadBbox) {
              note.bbox = {
                left: noteHeadBbox.x - parentLeft - noteHeadBbox.width / 4,
                width: noteHeadBbox.width * 1.5,
              };
              bbox = note.bbox;
            }
          }
        }
        if (!bbox) return;
        const baseW = state.platform === IPlatform.PC ? 29 : 18;
        const width = (bbox.width - baseW) / 3;
        // console.log(555555,bbox.left,width)
        cursor.cursorElement.style.left = bbox.left + "px";
        cursor.cursorElement.style.transform = `translateX(${width}px)`;
      });
    }


  }
};
/** 
 * 跳转到下一个音符
 * 一行谱，点击音符，或者播放完成，需要跳转音符位置，增加参数skipNote
 **/
export const gotoNext = (note: any, skipNote?: boolean) => {
  // console.log(33333333333,state.activeNoteIndex,note.i)
  const num = note.i;

  if (state.activeNoteIndex === note.i) {
    try {
      setCursorPosition(note, state.osmd.cursor, 'init');
    } catch (error) {
      console.log(error);
    }
    // 重置 或者切换演奏演唱的时候 可能出现 state.activeNoteIndex === note.i的情况 执行
    fillWordColor();
    if (state.isSingleLine && state.playState === "paused") {
      moveSvgDom(skipNote);
    }
    return;
  }
  const osmd = state.osmd;
  let prev = state.activeNoteIndex;
  state.activeNoteIndex = num;
  state.activeMeasureIndex = note.MeasureNumberXML;

  if (prev && num - prev === 1) {
    // console.log('跳转音符',11111,osmd.cursor)
    // if (!note.id && note.multipleRestMeasures === 0) {

    // } else {
    //   osmd.cursor.next();
    // }
    osmd.cursor.next();

  } else if (prev && num - prev > 0) {
    while (num - prev > 0) {
      prev++;
      // console.log('跳转音符',22222)
      osmd.cursor.next();
    }
  } else {
    gotoCustomNote(num);
  }
  try {
    setCursorPosition(note, state.osmd.cursor, 'refresh');
  } catch (error) {
    console.log(error);
  }
  fillWordColor();
  // 一行谱，需要滚动小节
  if (state.isSingleLine) {
    moveSvgDom(skipNote);
  }
  scrollViewNote();
};
/** 获取指定音符 */
export const getNote = (currentTime: number) => {
  const times = state.times;
  const len = state.times.length;
  /** 播放超过了最后一个音符的时间,直接结束, 2秒误差 */
  if (currentTime > times[len - 1].endtime + 2 && !state.isAppPlay) {
    onEnded();
    return;
  }
  let _item = null as any;
  for (let i = state.activeNoteIndex; i < len; i++) {
    let item = times[i];
    const prevItem = times[i - 1];
    // if (state.isEvxml) {
    //   let diffArr: any[] = [];
    //   times.forEach((note: any, noteIdx: number) => {
    //     if (currentTime >= note.time && currentTime <= times[noteIdx+1].time) {
    //       let diffTime = times[noteIdx+1].time - currentTime;
    //       diffArr.push({
    //         diffTime,
    //         idx: noteIdx
    //       })
    //     }
    //   })
    //   diffArr.sort((a, b) => a.diffTime - b.diffTime);
    //   item = diffArr.length ? times[diffArr[0].idx] : item;
    // }
    if (currentTime >= item.time) {
      if (!prevItem || item.time != prevItem.time) {
        _item = item;
      }
    } else {
      break;
    }
  }
  // console.log("activeNoteIndex", currentTime, state.activeNoteIndex, _item.i);
  return _item;
};

/** 重播 */
export const handleResetPlay = () => {
  // 如果是midi需要重置播放进度
  if (state.isAppPlay) {
    audioData.progress = 0
  }
  resetPlaybackToStart();
  // 如果是暂停, 直接播放
  togglePlay("play");
};
/** 设置速度 */
export const handleSetSpeed = (speed: number) => {
  setStorageSpeed(state.examSongId, speed);
  state.speed = speed;
};
/** 清除选段状态 */
export const clearSelection = () => {
  state.sectionStatus = false;
  state.section = [];
  closeToast();
};

/** 开启选段 */
export const handleChangeSection = () => {
  // 如果开启了选段,再次点击取消选段
  if (state.sectionStatus) {
    togglePlay("paused");
    clearSelection();
    skipNotePlay(0, true);
    state.sectionFirst = null;
    return;
  }
  state.sectionStatus = true;
  // 开启
  if (state.sectionStatus) {
    togglePlay("paused");
  }
  showToast({
    message: "请选择开始小节",
    duration: 0,
    position: "top",
    className: "selectionToast",
  });
};

/** 效验并格式化选段小节 */
const formateSelectMearure = (_list: any[]): any[] => {
  if (!_list.length) return [];
  const list = _list.sort((a, b) => a.time - b.time);
  const startXml = list[0]?.measureOpenIndex;
  const endXml = list.last()?.measureOpenIndex;
  const selectStartMeasure = state.times.filter((n: any) => startXml === n.measureOpenIndex) || [];
  const selectEndMeasure = state.times.filter((n: any) => endXml === n.measureOpenIndex) || [];
  // 没有找到选段小节
  if (!selectStartMeasure.length || !selectEndMeasure.length) {
    clearSelection();
    return [];
  }
  list[0] = selectStartMeasure[0];
  list[1] = selectEndMeasure.last();
  let startItemINdex = list[0].i;
  // 开启预备拍
  if (state.isOpenPrepare) {
    const startXmlIndex = list[0].MeasureNumberXML;
    state.sectionFirst = state.times.find((n: any) => startXmlIndex - n.MeasureNumberXML === 1);
    startItemINdex = state.sectionFirst ? state.sectionFirst.i : startItemINdex;
  }
  skipNotePlay(startItemINdex, startItemINdex === 0);
  return list;
};

/** 选择选段 */
export const handleSelection = (item: any) => {
  if (!state.sectionStatus || state.section.length > 1) return;
  if (state.section.length !== 2 && item) {
    state.section.push(item);
    if (state.section.length === 2) {
      setSection(state.section[0].MeasureNumberXML, state.section[1].MeasureNumberXML)
      //state.section = formateSelectMearure(state.section);
      closeToast();
    }
  }
  if (state.section.length === 1) {
    showToast({
      message: "请选择结束小节",
      duration: 0,
      position: "top",
      className: "selectionToast",
    });
  }
};

/** 阶段练习、阶段评测设置选段小节 */
export const setSection = (start: number, end: number, userSpeed?: number) => {
  const startNotes = state.times.filter(
    (n: any) => n.noteElement.sourceMeasure.MeasureNumberXML == start
  )
  const endNotes = state.times.filter(
    (n: any) => n.noteElement.sourceMeasure.MeasureNumberXML == end
  )
  state.userChooseEndIndex = end
  const lastEndId = endNotes[endNotes.length - 1].noteId
  let lastEndNotes = endNotes.filter((n: any) => n.noteId === lastEndId)
  // 是否符合重播规则
  const canRepeatInfo = verifyCanRepeat(start, end)
  console.log('能否重播', canRepeatInfo)
  const isCanRepeat = canRepeatInfo.canRepeat
  // 如果符合重播规则，但是lastEndNotes长度为1，则需要向前找，直到找到lastEndNotes长度为2
  /**
   * 如果符合重播规则，但是lastEndNotes长度为1，则需要向前找，直到找到lastEndNotes长度为2
   * 2024.03.28 新增逻辑，如果当前选中的结束小节是跳房子，则不向前找，因为这种场景不符合重播规则（bug：#9921）
   * TODO:通过vf-volta判断是否是跳房子
   */
  let isSkipVolta = false; // 结束小节是否是跳房子小节
  if (lastEndNotes.length === 1) {
    isSkipVolta = lastEndNotes[0]?.stave?.modifiers?.some((item: any) => item.getAttribute('type') === 'Volta')
  }
  let currentEndNum: number = end
  const lastEndIndex: any = state.repeatInfo[canRepeatInfo.repeatIdx]?.end || 0
  while (isCanRepeat && lastEndNotes.length === 1 && lastEndNotes[0].MeasureNumberXML <= lastEndIndex && !isSkipVolta) {
    currentEndNum = currentEndNum - 1
    const newEndNotes = state.times.filter(
      (n: any) => n.noteElement.sourceMeasure.MeasureNumberXML == currentEndNum
    )
    const newLastEndId = newEndNotes[newEndNotes.length - 1].noteId
    lastEndNotes = newEndNotes.filter((n: any) => n.noteId === newLastEndId)
  }

  const endIdx: any = (isCanRepeat && canRepeatInfo.repeatIdx == state.repeatInfo.length - 1) ? lastEndNotes.length - 1 : 0
  const startNote = startNotes[0]
  // const endNote = endNotes[endNotes.length - 1]
  const endNote = lastEndNotes[endIdx]

  if (startNote && endNote) {
    state.isSelectMeasureMode = true;
    // 设置小节
    hanldeDirectSelection([startNote, endNote]);

    //设置速度
    if (userSpeed) {
      handleSetSpeed(userSpeed);
    }
  }
}


/** 直接设置选段 */
export const hanldeDirectSelection = (list: any[]) => {
  if (!Array.isArray(list) || list.length !== 2) return;
  state.sectionStatus = true;
  setTimeout(() => {
    state.section = formateSelectMearure(list);
    console.log('选段小节', state.section)
  }, 0);
};
let offsetTop = 0;
/**
 * 窗口内滚动到音符的区域
 * @param isScroll 可选: 强制滚动到顶部, 默认: false
 * @returns void
 */
export const scrollViewNote = () => {
  const cursorElement = document.getElementById("cursorImg-0")!;
  const musicAndSelection = document.getElementById(state.scrollContainer)!;
  if (!cursorElement || !musicAndSelection || offsetTop === cursorElement.offsetTop) return;
  offsetTop = cursorElement.offsetTop;
  if (offsetTop > 50) {
    musicAndSelection.scrollTo({
      top: (offsetTop - 50) * state.musicZoom,
      behavior: "smooth",
    });
  } else {
    musicAndSelection.scrollTo({
      top: 0,
      behavior: "smooth",
    });
  }
};

/** 检测是否是节奏练习 */
export const isRhythmicExercises = () => {
  return state.examSongName.indexOf("节奏练习") > -1;
};

/** 重置状态 */
export const handleRessetState = () => {
  // 切换模式，清除选段
  clearSelection();
  skipNotePlay(0, true);
  // midi 重置播放进度
  if (state.isAppPlay) {
    audioData.progress = 0;
  }
  if (state.modeType === "evaluating") {
    handleStartEvaluat();
  } else if (state.modeType === "practise") {
    togglePlay("paused");
  } else if (state.modeType === "follow") {
    toggleFollow(false);
  }
};
export default state;

/** 初始化评测音频 */
export const evaluatCreateMusicPlayer = () => {
  return api_createMusicPlayer({
    musicSrc: state.accompany || state.music, // 曲谱音频url
    tuneSrc: "https://oss.dayaedu.com/cloud-coach/1686725501654check_music1_(1).mp3", //效音音频url
  });
};



/** 获取内容平台的接口详情并初始化state信息 */
export const getMusicDetail = async (id: string) => {
  const res = await getMusicSheetDetail(id);
  if (res?.code === 200) {
    await getMusicInfo(res)
  }
};


const getMusicInfo = async (res: any) => {
  const xmlString = await fetch(res.data.xmlFileUrl).then((response) => response.text());
  downloadXmlStr.value = xmlString //给musice-score 赋值xmlString 以免加载2次
  const tracks = xmlToTracks(xmlString) //获取声轨列表
  let index = query["part-index"] ? parseInt(query["part-index"]) : 0
  const musicObj = initMusicSource(res.data, tracks[index]) //当前part-index找不到声源的时候以第一个为准
  index = tracks.findIndex(item => {  // 筛选出当前的index
    return item === musicObj?.track
  })
  const musicInfo = {
    ...res.data,
    track: musicObj?.track
  };
  console.log("🚀 ~ musicInfo:", musicInfo);
  setState(musicInfo, index);
};
//获取xml中的音轨数据
function xmlToTracks(xmlString: string) {
  const xmlParse = new DOMParser().parseFromString(xmlString, "text/xml");
  const partNames = Array.from(xmlParse.getElementsByTagName('part-name'));
  return partNames.reduce((arr: string[], item) => {
    const textContent = item?.textContent?.trim()
    if (textContent !== "COMMON" && textContent) {
      arr.push(textContent)
    }
    return arr
  }, []);
}
// 设置音源
function initMusicSource(data: any, track?: string) {
  const { instrumentId } = storeData.user
  let { musicSheetType, isAllSubject, musicSheetSoundList, musicSheetAccompanimentList } = data
  musicSheetSoundList || (musicSheetSoundList = [])
  musicSheetAccompanimentList || (musicSheetAccompanimentList = [])
  let musicObj, accompanyObj, fanSongObj, banSongObj
  // 独奏
  if (musicSheetType === "SINGLE") {
    // 适用声部(instrumentId)为true 时候没有乐器只有一个原音;当前用户有乐器就匹配  不然取第一个原音
    musicObj = musicSheetSoundList.find((item: any) => {
      return (isAllSubject || !instrumentId) ? item.audioPlayType === "PLAY" : (item.audioPlayType === "PLAY" && item.musicalInstrumentId == instrumentId)
    })
    // 因为可能根据学生的乐器id也找不到曲目所以尝试取第一个
    musicObj || (musicObj = musicSheetSoundList.find((item: any) => {
      return item.audioPlayType === "PLAY"
    }))
    fanSongObj = musicSheetSoundList.find((item: any) => {
      return item.audioPlayType === "SING"
    })
    banSongObj = musicSheetAccompanimentList.find((item: any) => {
      return item.audioPlayType === "SING"
    })
  } else {
    // 合奏  合奏根据声轨来区分原音
    musicObj = track ? musicSheetSoundList.find((item: any) => {
      return item.track === track
    }) : musicSheetSoundList[0]
  }
  accompanyObj = musicSheetAccompanimentList.find((item: any) => {
    return item.audioPlayType === "PLAY"
  })
  // 当没有任何曲目的时候报错
  if (!musicObj?.audioFileUrl && !accompanyObj?.audioFileUrl && !fanSongObj?.audioFileUrl && !banSongObj?.audioFileUrl && !fanSongObj?.solmizationFileUrl) {
    throw new Error("该曲目无任何音源");
  }
  Object.assign(state, {
    music: musicObj?.audioFileUrl,
    accompany: accompanyObj?.audioFileUrl,
    fanSong: fanSongObj?.audioFileUrl,
    banSong: banSongObj?.audioFileUrl,
    mingSong: fanSongObj?.solmizationFileUrl
  })
  Object.assign(state.beatSong, {
    music: musicObj?.audioBeatMixUrl,
    accompany: accompanyObj?.audioBeatMixUrl,
    fanSong: fanSongObj?.audioBeatMixUrl,
    banSong: banSongObj?.audioBeatMixUrl,
    mingSong: fanSongObj?.solmizationBeatUrl
  })
  return musicObj
}
const setState = (data: any, index: number) => {
  state.appName = "COLEXIU";
  state.detailId = data.bizId;
  state.xmlUrl = data.xmlFileUrl;
  state.paymentType = data.paymentType
  state.partIndex = index;
  state.trackId = data.track;
  state.subjectId = data.subjectIds ? data.subjectIds.split(',')?.[0] : 0;
  // 声部code
  const subjectCode = data.subjectCodes ? data.subjectCodes.split(',')?.[0] : '';
  // 乐器code
  let musicalCode = data.musicalInstrumentIdCodes ? data.musicalInstrumentIdCodes.split(',')?.[0] : '';
  const pitchSubject = musicalInstrumentCodeInfo.find((n) => n.code.toLocaleLowerCase() === subjectCode.toLocaleLowerCase())
  const pitchMusical = musicalInstrumentCodeInfo.find((n) => n.code.toLocaleLowerCase() === musicalCode.toLocaleLowerCase())
  state.subjectCodeId = pitchSubject ? pitchSubject.id : 0
  state.musicalCodeId = pitchMusical ? pitchMusical.id : 0
  state.categoriesId = data.musicCategoryId;
  state.categoriesName = data.musicTagNames;
  // state.enableEvaluation = data.isEvaluated ? true : false;
  state.examSongId = data.bizId + "";
  state.cbsExamSongId = data.id + "";
  state.examSongName = data.name;
  state.coverImg = data.musicCover ?? "";
  // 单声部多声轨合并展示
  state.isCombineRender = data.musicSheetType === "SINGLE" && data.musicSheetSoundList?.length > 1
  setCustom(state.isCombineRender ? data.musicSheetSoundList?.length : 0);
  // 解析扩展字段
  if (data.extConfigJson) {
    try {
      state.extConfigJson = JSON.parse(data.extConfigJson as string);
    } catch (error) {
      console.error("解析扩展字段错误:", error);
    }
  }
  state.gradualTimes = state.extConfigJson.gradualTimes;
  state.repeatedBeats = state.extConfigJson.repeatedBeats || 0;
  state.isEvxml = state.extConfigJson.isEvxml == 1 ? true : false;
  // 是否开启节拍器
  state.needTick = !!data.isPlayBeat
  state.needSingTick = !!data.isPlaySingBeat
  // state.isOpenMetronome = data.isUseSystemBeat ? false : true;
  // 演奏模式是否播mp3节拍器
  state.isOpenMetronome = data.isPlayBeat && !data.isUseSystemBeat ? true : false
  // 演唱模式是否播mp3节拍器
  state.isSingOpenMetronome = data.isPlaySingBeat && !data.isUseSingSystemBeat ? true : false
  state.isShowFingering = data.isShowFingering ? true : false;
  // 设置曲谱的播放模式, APP播放(midi音频是app播放) | h5播放
  state.isAppPlay = data.playMode === 'MIDI';
  state.midiUrl = data.midiFileUrl;
  state.parentCategoriesId = data.musicTag;
  state.musicSheetCategoriesId = data.musicCategoryId;
  state.bizMusicCategoryId = data.bizMusicCategoryId
  state.playMode = data.playMode === "MP3" ? "MP3" : "MIDI";
  state.originSpeed = state.speed = parseFloat(data.playSpeed) || 0;
  // state.originSpeed = state.speed = data.playSpeed;
  // state.playIngSpeed = data.playSpeed;
  const track = data.code || data.track;
  state.track = track ? track.replace(/ /g, "").toLocaleLowerCase() : "";
  // 能否评测，根据当前声轨有无伴奏判断
  // if (state.isAppPlay) {
  //   state.enableEvaluation = state.midiUrl ? true : false
  // } else {
  //   state.enableEvaluation = state.accompany ? true : false
  // }
  state.enableEvaluation = true
  state.isConcert = data.musicSheetType === "CONCERT" ? true : false;
  // multiTracksSelection 返回为空，默认代表全部分轨
  state.canSelectTracks = data.multiTracksSelection === "null" || data.multiTracksSelection === "" || data.multiTracksSelection === null ? [] : data.multiTracksSelection?.split(',');
  // 开启预备小节
  state.isOpenPrepare = true;
  state.extStyleConfigJson = data.extStyleConfigJson || {}
  // console.log("🚀 ~ state.subjectId:", state.subjectId, state.track as any , state.subjectId)
  // 是否打击乐
  /**
   * 是否打击乐：AMPLITUDE & 节奏练习：DECIBELS
   * evaluationStandard：("评测标准 节奏 AMPLITUDE 音准 FREQUENCY 分贝 DECIBELS")
   * 打击乐&节奏练习，没有跟练模式
   */
  // state.isPercussion = isRhythmicExercises();
  state.isPercussion = data.evaluationStandard === "AMPLITUDE" || data.evaluationStandard === "DECIBELS";
  state.evaluationStandard = data.evaluationStandard?.toLocaleLowerCase() || ''
  // 设置是否特殊曲谱, 是特殊曲谱取反(不理解之前的思考逻辑), 使用后台设置的速度
  state.isSpecialBookCategory = !classids.includes(Number(data.musicCategoryId));

  // 设置指法
  // const code = state.isConcert ? mappingVoicePart(state.trackId, "ENSEMBLE") : mappingVoicePart(state.subjectId, "INSTRUMENT");
  /**
   * 各平台的乐器声部id不统一，为了兼容处理老的数据，加上乐器code码，此码唯一
   * 获取指法code
   */
  const code = state.isConcert ? matchVoicePart(state.trackId, "CONCERT") : matchVoicePart(state.musicalCodeId, "SINGLE");
  state.fingeringInfo = subjectFingering(code);
  console.log("🚀 ~ state.fingeringInfo:", code, state.fingeringInfo, state.trackId, state.track);
  state.musicalCodeId = state.fingeringInfo?.id || 0
  state.musicalCode = musicalInstrumentCodeInfo.find(item => item.id === state.musicalCodeId)?.code || state.trackId
    ; (window as any).DYSubjectId = state.musicalCodeId
    // 开启自定义每行显示的小节数
    ; (window as any).customSectionAmount = true
    // 标识是课堂乐器，用于移调时进行区分处理
    ; (window as any).DYProjectName = 'musicScore';
  // 如果切换的声轨没有指法，择指法开关置灰并且不可点击
  if (!state.fingeringInfo.name && state.setting.displayFingering) {
    state.setting.displayFingering = false
  }

  // 如果是PC端,放大曲谱
  state.platform = query.platform?.toLocaleUpperCase() || "";
  if (state.platform === IPlatform.PC) {
    state.zoom = query.zoom || 1.5;
    state.enableEvaluation = false;
  }
  /**
   * 默认渲染什么谱面类型 & 能否转谱逻辑
   * 渲染类型：首先取url参数musicRenderType，没有该参数则取musicalInstruments字段匹配的当前分轨的defaultScore，没有匹配到则取默认值（'firstTone'）
   * 能否转谱：先取isConvertibleScore字段，如果isConvertibleScore为true，则取musicalInstruments字段匹配的当前分轨的transferFlag，都为true则可以转谱
   * 
   */
  let pitchTrack = null
  if (state.isConcert) {
    musicalCode = musicalInstrumentCodeInfo.find((item: any) => item.id === state.musicalCodeId)?.code
    pitchTrack = data.musicalInstruments?.find((item: any) => item.code === musicalCode)
  } else {
    pitchTrack = data.musicalInstruments?.find((item: any) => item.code === musicalCode)
  }
  let musicalRenderType = ''
  if (pitchTrack?.defaultScore) {
    musicalRenderType = pitchTrack?.defaultScore === 'STAVE' ? 'staff' : pitchTrack?.defaultScore === 'JIAN' ? 'fixedTone' : pitchTrack?.defaultScore === 'FIRST' ? 'firstTone' : ''
  }
  state.musicRenderType = query.musicRenderType || musicalRenderType || EnumMusicRenderType.firstTone;
  /**
   * TODO:摇篮曲特殊处理
   */
  if (['1788501975122489346', '1788502467554750466', '1789839575249596417'].includes(state.cbsExamSongId)) {
    if (state.musicRenderType === 'fixedTone') {
      state.musicRenderType = EnumMusicRenderType.firstTone;
    }
  }
  state.enableNotation = pitchTrack ? data.isConvertibleScore && pitchTrack.transferFlag : data.isConvertibleScore
  console.log("state对象", state);
  // 评测基准频率
  state.baseFrequency = data.evaluationFrequency ? data.evaluationFrequency.split(",")[0] : 440
  state.baseFrequency = Number(state.baseFrequency)
  // 用户上次的频率和基准频率误差超过10，则重置
  if (Math.abs(state.setting.frequency - state.baseFrequency) > 10) {
    state.setting.frequency = state.baseFrequency >= 0 ? state.baseFrequency : 440
  } else {
    state.setting.frequency = state.setting.frequency || state.baseFrequency
  }
};

// 多分轨合并显示标示
const setCustom = (trackNum?: number) => {
  if (trackNum || state.extConfigJson.multitrack) {
    state.multitrack = trackNum || 0
    setGlobalData("multitrack", trackNum || state.extConfigJson.multitrack);
  }
};

/** 跟练模式播放节拍器（叮咚） */
export const followBeatPaly = () => {
  let metroTimer: any = null;
  if (!followData.start) {
    clearTimeout(metroTimer)
    metroTimer = null
    return;
  }
  const time = state.measureTime * 1000 / metronomeData.totalNumerator
  requestAnimationFrame(() => {
    const endTime = Date.now();
    if (endTime - state.beatStartTime < time) {
      followBeatPaly();
    } else {
      // metroTimer = setTimeout(() => {
      //   metronomeData.metro?.simulatePlayAudio()
      //   startTime = Date.now();
      //   followBeatPaly();
      // }, time);
      metronomeData.metro?.simulatePlayAudio()
      state.beatStartTime = Date.now();
      followBeatPaly();
    }
  });
};

// 音符添加bbox
export const addNoteBBox = (list: any[]) => {
  const musicContainer = document.getElementById("musicAndSelection")?.getBoundingClientRect() || {
    x: 0,
    y: 0,
  };
  const parentLeft = musicContainer.x || 0;
  let voicesBBox: any = null;
  for (let i = 0; i < list.length; i++) {
    const note = list[i];
    const { svgElement, multipleRestMeasures, totalMultipleRestMeasures, stave } = note;
    /**
     * 兼容合并休止小节没有音符的情况，将合并的小节宽度等分，音符位置就在等分的位置
     */
    let bbox: any = null;
    if (svgElement?.attrs.id) {
      // @ts-ignore
      bbox = document.getElementById(`vf-${svgElement?.attrs?.id}`)?.getBBox();
      const noteBbox = document.getElementById(`vf-${svgElement?.attrs?.id}`)?.getBoundingClientRect?.() || { x: 0, width: 0 };
      bbox = {
        left: noteBbox.x - parentLeft - noteBbox.width / 4, // 用于简谱模式，跳动音符时，设置光标的位置（五线谱：osmd自动设置光标位置，简谱：需要手动设置光标位置）
        x: bbox?.x * state.zoom,
        y: bbox?.y * state.zoom,
        width: bbox?.width * state.zoom,
        height: bbox?.height * state.zoom,
      }
    } else {
      // @ts-ignore
      let currentVoicesBBox: any = document.getElementById(`${stave?.attrs?.id}`)?.nextSibling?.getBBox();
      const svgBodyBBox: any = document.getElementById('musicAndSelection')?.getBoundingClientRect();
      if (!currentVoicesBBox && multipleRestMeasures <= totalMultipleRestMeasures) {
        currentVoicesBBox = voicesBBox;
      }
      let nextIndex = i + 1;
      while (!list[nextIndex]?.id && nextIndex < list.length) {
        nextIndex += 1;
      }
      // 休止小节的开头和下一个音符之间的间距
      let multipleWidth: any = currentVoicesBBox?.width * state.zoom;
      if (list[nextIndex]?.id) {
        // @ts-ignore
        multipleWidth = document.getElementById(`${list[nextIndex]?.stave?.attrs?.id}`)?.getBBox()?.x * state.zoom - currentVoicesBBox?.x * state.zoom;
      }
      const ratioWidth = multipleWidth / totalMultipleRestMeasures || 0;
      bbox = currentVoicesBBox ? {
        bottom: currentVoicesBBox.bottom,
        height: 30,
        left: currentVoicesBBox.x * state.zoom + ratioWidth * (multipleRestMeasures - 1),
        right: currentVoicesBBox.y,
        top: currentVoicesBBox.top,
        width: 1,
        x: currentVoicesBBox.x * state.zoom + ratioWidth * (multipleRestMeasures - 1),
        y: currentVoicesBBox.y,
        svgBodyLeft: svgBodyBBox?.x,
      } : null;
      voicesBBox = currentVoicesBBox;
    }
    //  todo  连续修止小节bug
    note.bbox = bbox;
  }

}

// 给歌词和音符添加动态颜色
const fillWordColor = () => {
  // console.log('当前音符',state.activeNoteIndex)
  state.times.forEach((item: any, idx: number) => {
    const svgEl = document.getElementById(`vf-${state.times[idx]?.svgElement?.attrs?.id}`)
    const stemEl = document.getElementById(`vf-${state.times[idx]?.svgElement?.attrs?.id}-stem`)
    if ((item.i === state.activeNoteIndex || item.id === state.times[state.activeNoteIndex].id) && item.svgElement) {
      svgEl?.classList.add('noteActive')
      stemEl?.classList.add('noteActive')
    } else {
      svgEl?.classList.remove('noteActive')
      stemEl?.classList.remove('noteActive')
    }
  })

  // 给当前匹配到的歌词添加颜色
  const currentNote = state.times[state.activeNoteIndex];
  const lyrics: SVGAElement[] = Array.from(document.querySelectorAll(".vf-lyric"));
  lyrics.forEach((lyric) => {
    lyric?.classList.remove('lyricActive')
  })
  const currentLyrics: SVGAElement[] = Array.from(document.querySelectorAll(`.lyric${currentNote?.noteId}`));
  currentLyrics.forEach((lyric, index) => {
    if (index === currentNote.repeatIdx) {
      lyric?.classList.add('lyricActive')
    }
  })
}

/** 跳动svgdom */
export const moveSvgDom = (skipNote?: boolean) => {
  /**
   * 计算需要移动的距离
   * 当前选中的音符和第一个音符之间的间距
   */
  if (skipNote) {
    const distance = state.times[state.activeNoteIndex].bbox?.x - state.times[0].bbox?.x + state.times[state.activeNoteIndex].bbox?.width / 2 - state.times[0].bbox?.width / 2;
    // 点击 清空translateXNum
    smoothAnimationState.translateXNum = 0
    moveSmoothAnimation(0, state.activeNoteIndex)
    smoothAnimationState.osdmScrollDom!.scrollTo({
      left: distance,
      behavior: "smooth",
    });
  }
}


// 暂停的时候  恢复一行谱偏移位置信息
watch(
  () => state.playState,
  () => {
    if (state.isSingleLine) {
      // 当在播放中暂停 执行这个方法
      if (!state.playEnd && state.playState === "paused") {
        moveTranslateXNum(0)
        const scrollLeft = smoothAnimationState.osdmScrollDom!.scrollLeft
        smoothAnimationState.osdmScrollDom!.scrollLeft = scrollLeft + smoothAnimationState.translateXNum
        smoothAnimationState.translateXNum = 0
      }
    }
  }
)


/* 根据当前的小节获取前面有多少需要去除的合并小节 */
function getNeedReduceMultipleRestNum(currMeasureIndex: number) {
  let needReduceMultipleRestNum = 0;
  for (let noteIndex = 0; noteIndex < state.times.length; noteIndex++) {
    const note = state.times[noteIndex];
    if (note.MeasureNumberXML > currMeasureIndex) {
      break;
    }
    if (note.multipleRestMeasures && note.multipleRestMeasures > 1) {
      needReduceMultipleRestNum += 1;
    }
  }
  return needReduceMultipleRestNum
}

watch(
  () => state.activeMeasureIndex,
  () => {
    // 需要减去的合并小节数
    const needReduceMultipleRestNum = getNeedReduceMultipleRestNum(state.activeMeasureIndex)
    const matchMeasureNum = state.activeMeasureIndex - needReduceMultipleRestNum - 1
    console.log('选中的小节', matchMeasureNum, '需要减去的小节', needReduceMultipleRestNum, '当前的小节', state.activeMeasureIndex)
    state.vfmeasures.forEach((item: any, idx: number) => {
      if (idx === matchMeasureNum) {
        item.querySelector('.vf-custom-bg')?.setAttribute("fill", "#132D4C")
        item.querySelector('.vf-custom-bot')?.setAttribute("fill", "#040D1E")
      } else {
        // 有选段只清除选段处的
        if (state.section.length === 2) {
          // 把中间置灰
          let leftMeasureNumberXML = state.section[0].MeasureNumberXML
          let rightMeasureNumberXML = state.section[1].MeasureNumberXML
          if (leftMeasureNumberXML > rightMeasureNumberXML) {
            leftMeasureNumberXML = state.section[1].MeasureNumberXML
            rightMeasureNumberXML = state.section[0].MeasureNumberXML
          }
          const leftVfmeasuresIndex = leftMeasureNumberXML - getNeedReduceMultipleRestNum(leftMeasureNumberXML) - 1
          const rightVfmeasuresIndex = rightMeasureNumberXML - getNeedReduceMultipleRestNum(rightMeasureNumberXML) - 1
          if (idx >= leftVfmeasuresIndex && idx <= rightVfmeasuresIndex) {
            item.querySelector('.vf-custom-bg')?.setAttribute("fill", "#609FCF")
            item.querySelector('.vf-custom-bot')?.setAttribute("fill", "#2B70A5")
          }
          // 预备小节
          if (state.sectionFirst) {
            const sectionFirstVfmeasuresIndex = state.sectionFirst.MeasureNumberXML - getNeedReduceMultipleRestNum(state.sectionFirst.MeasureNumberXML) - 1
            const sectionFirstDom = state.vfmeasures[sectionFirstVfmeasuresIndex]
            sectionFirstDom?.querySelector('.vf-custom-bg')?.setAttribute("fill", "#71B8BD")
            sectionFirstDom?.querySelector('.vf-custom-bot')?.setAttribute("fill", "#448F9C")
          }
        } else {
          item.querySelector('.vf-custom-bg')?.setAttribute("fill", "#609FCF")
          item.querySelector('.vf-custom-bot')?.setAttribute("fill", "#2B70A5")
        }
      }
    })
  }
);



watch(
  () => state.section,
  () => {
    if (state.section.length === 2) {
      // 把前面和 后面置灰
      let leftMeasureNumberXML = state.section[0].MeasureNumberXML
      let rightMeasureNumberXML = state.section[1].MeasureNumberXML
      if (leftMeasureNumberXML > rightMeasureNumberXML) {
        leftMeasureNumberXML = state.section[1].MeasureNumberXML
        rightMeasureNumberXML = state.section[0].MeasureNumberXML
      }
      const leftVfmeasuresIndex = leftMeasureNumberXML - getNeedReduceMultipleRestNum(leftMeasureNumberXML) - 1
      const rightVfmeasuresIndex = rightMeasureNumberXML - getNeedReduceMultipleRestNum(rightMeasureNumberXML) - 1
      state.vfmeasures.forEach((item: any, idx: number) => {
        // 小于选中置灰
        if (idx < leftVfmeasuresIndex) {
          item.querySelector('.vf-custom-bg')?.setAttribute("fill", "rgba(96,159,207,0.5)")
          item.querySelector('.vf-custom-bot')?.setAttribute("fill", "rgba(43,112,165,0.5)")
        }
        // 大于选中置灰
        if (idx > rightVfmeasuresIndex) {
          item.querySelector('.vf-custom-bg')?.setAttribute("fill", "rgba(96,159,207,0.5)")
          item.querySelector('.vf-custom-bot')?.setAttribute("fill", "rgba(43,112,165,0.5)")
        }
      })
      // 预备小节
      if (state.sectionFirst) {
        const sectionFirstVfmeasuresIndex = state.sectionFirst.MeasureNumberXML - getNeedReduceMultipleRestNum(state.sectionFirst.MeasureNumberXML) - 1
        const sectionFirstDom = state.vfmeasures[sectionFirstVfmeasuresIndex]
        sectionFirstDom?.querySelector('.vf-custom-bg')?.setAttribute("fill", "#71B8BD")
        sectionFirstDom?.querySelector('.vf-custom-bot')?.setAttribute("fill", "#448F9C")
      }
    } else {
      // 恢复选段前
      const matchMeasureNum = state.activeMeasureIndex - getNeedReduceMultipleRestNum(state.activeMeasureIndex) - 1
      state.vfmeasures.forEach((item: any, idx: number) => {
        if (idx === matchMeasureNum) {
          item.querySelector('.vf-custom-bg')?.setAttribute("fill", "#132D4C")
          item.querySelector('.vf-custom-bot')?.setAttribute("fill", "#040D1E")
        } else {
          item.querySelector('.vf-custom-bg')?.setAttribute("fill", "#609FCF")
          item.querySelector('.vf-custom-bot')?.setAttribute("fill", "#2B70A5")
        }
      })
    }
  }
)

/** 刷新谱面 */
export const refreshMusicSvg = () => {
  state.loadingText = '正在加载中，请稍等…'
  if (state.isSingleLine) {
    // 销毁旋律线
    destroySmoothAnimation()
  }
  musicScoreRef.value?.refreshMusicScore()
}

// 指法改变显示的时候 osdmScrollDomWith 宽度会变化 所以指法改变的时候这个宽度重新计算
watch(
  () => state.setting.displayFingering,
  () => {
    nextTick(() => {
      if (smoothAnimationState.osdmScrollDom) {
        smoothAnimationState.osdmScrollDomWith = smoothAnimationState.osdmScrollDom.offsetWidth | 0
      }
    })
  }
)