import { computed, defineComponent, onBeforeUnmount, onMounted, reactive, ref, watch } from "vue";
import styles from "./index.module.less";
import store from 'store'

import Title from "./title";
import icons from "./image/headerTop.json";
import { Badge, Circle, Popover, Popup } from "vant";
import { metronomeData } from "../../helpers/metronome";
import Speed from "./speed";
import { evaluatingData, handleEndBegin, handleStartEvaluat } from "/src/view/evaluating";
import Settting from "./settting";
import ModeTypeMode from "./mode-type-mode";
import state, { handleChangeSection, handleResetPlay, handleRessetState, togglePlay } from "/src/state";
import { getAudioCurrentTime } from "/src/view/audio-list";
import { followData, toggleFollow } from "/src/view/follow-practice";
import { api_back, api_suspendPlay } from "/src/helpers/communication";
import MusicType from "./music-type";
import { handleNoEndExit } from "../custom-plugins/recording-time";
import { handle_stopFollow } from "../follow-model";

export const headData = reactive({
	speedShow: false,
	musicTypeShow: false,
	modeMode: true, // 模式弹框
	settingMode: false, // 设置弹框
});

/** 关闭模式选择 */
export const handleCloseModeMode = (type = false) => {
	headData.modeMode = type;
};

export default defineComponent({
	name: "header-top",
	setup() {

		/** 切换模式 */
		const handleChangeModeType = (value: "practise" | "follow" | "evaluating") => {
			if (value === "evaluating") {
				handleStartEvaluat();
			} else if (value === "follow") {
				toggleFollow();
			}
			headData.modeMode = false;
		};

		/** 设置按钮 */
		const settingBtn = computed(() => {
			// 音频播放中 禁用
			if (state.playState === "play") return { display: true, disabled: true };
			// 评测开始 禁用, 跟练开始 禁用
			if (evaluatingData.startBegin || followData.start) return { display: true, disabled: true };

			return {
				display: true,
				disabled: false,
			};
		});

		/** 转谱按钮 */
		const converBtn = computed(() => {
			// 音频播放中 禁用
			if (state.playState === "play") return { display: true, disabled: true };
			// 评测开始 禁用
			if (evaluatingData.startBegin || followData.start) return { display: true, disabled: true };

			return {
				disabled: false,
				display: true,
			};
		});

		/** 速度按钮 */
		const speedBtn = computed(() => {
			// 选择模式 不显示
			if (headData.modeMode) return { display: false, disabled: false };
			// 音频播放中 禁用
			if (state.playState === "play") return { display: true, disabled: true };
			// 评测模式 禁用
			if (state.modeType === "evaluating") return { display: true, disabled: true };
			// 跟练模式 不显示
			if (state.modeType === "follow") return { display: false, disabled: true };

			return {
				disabled: false,
				display: true,
			};
		});

		/** 指法按钮 */
		const fingeringBtn = computed(() => {
			// 没有指法 不显示
			if (!state.fingeringInfo.name) return { display: false, disabled: true };
			// 选择模式 不显示
			if (headData.modeMode) return { display: false, disabled: false };
			// 音频播放中 禁用
			if (state.playState === "play") return { display: true, disabled: true };
			// 评测模式 不显示,跟练模式 不显示
			if (["evaluating", "follow"].includes(state.modeType)) return { display: false, disabled: true };

			return {
				disabled: false,
				display: true,
			};
		});

		/** 选段按钮 */
		const selectBtn = computed(() => {
			// 选择模式 不显示
			if (headData.modeMode) return { display: false, disabled: false };
			// 音频播放中 禁用
			if (state.playState === "play") return { display: true, disabled: true };
			// 评测模式 不显示,跟练模式 不显示
			if (["evaluating", "follow"].includes(state.modeType)) return { display: false, disabled: true };

			return {
				disabled: false,
				display: true,
			};
		});

		/** 原声按钮 */
		const originBtn = computed(() => {
			// 选择模式 不显示
			if (headData.modeMode) return { display: false, disabled: false };
			// 跟练模式 不显示
			if (state.modeType === "follow") return { display: false, disabled: true };
			// 评测开始 禁用
			if (state.modeType === "evaluating") return { display: true, disabled: true };

			return {
				disabled: false,
				display: true,
			};
		});

		/** 模式切换按钮 */
		const toggleBtn = computed(() => {
			// 选择模式 不显示
			if (headData.modeMode) return { display: false, disabled: false };
			// 跟练开始 禁用
			if (followData.start) return { display: true, disabled: true };

			return {
				display: true,
				disabled: false,
			};
		});

		/** 播放按钮 */
		const playBtn = computed(() => {
			// 选择模式 不显示
			if (headData.modeMode) return { display: false, disabled: false };
			// 评测模式 不显示,跟练模式 不显示
			if (["evaluating", "follow"].includes(state.modeType)) return { display: false, disabled: true };

			return {
				display: true,
				disabled: false,
			};
		});

		/** 重播按钮 */
		const resetBtn = computed(() => {
			// 选择模式 不显示
			if (headData.modeMode) return { display: false, disabled: false };
			// 评测模式 不显示,跟练模式 不显示
			if (["evaluating", "follow"].includes(state.modeType)) return { display: false, disabled: true };
			// 播放进度为0 不显示, 不是暂停状态不显示
			const currentTime = getAudioCurrentTime();
			if (currentTime === 0 || state.playState !== "paused") return { display: false, disabled: true };

			return {
				display: true,
				disabled: false,
			};
		});

		/** 返回 */
		const handleBack = () => {
			handleNoEndExit();
			api_back();
		};

		onMounted(() => {
			api_suspendPlay(() => {
				if (state.modeType === "practise") {
					togglePlay("paused");
				} else if (state.modeType === "evaluating") {
					handleEndBegin();
				} else if (state.modeType === "follow") {
					handle_stopFollow();
				}
			});
		});

		// 设置改变触发
		watch(state.setting, () => {
			store.set("musicscoresetting", state.setting);
		});

		return () => (
			<div class={styles.headerTop}>
				<div class={styles.back} onClick={handleBack}>
					<img src={icons["icon-back"]} />
				</div>
				<Title text={state.examSongName} rightView={false} />

				<div class={styles.headRight}>
					{/* 模式切换按钮 */}
					<div
						id="tips-step-0"
						style={{ display: toggleBtn.value.display ? "" : "none" }}
						class={[styles.btn, toggleBtn.value.disabled && styles.disabled]}
						onClick={() => {
							handleRessetState();
							headData.modeMode = true;
						}}
					>
						<img class={styles.iconBtn} src={icons.modelType} />
						<span>模式</span>
					</div>

					{/* 原声按钮 */}
					<div
						id="tips-step-1"
						style={{ display: originBtn.value.display ? "" : "none" }}
						class={[styles.btn, originBtn.value.disabled && styles.disabled]}
						onClick={() => {
							state.playSource = state.playSource === "music" ? "background" : "music";
						}}
					>
						<img class={styles.iconBtn} src={state.playSource === "music" ? icons.music : icons.accompaniment} />
						<span>{state.playSource === "music" ? "原声" : "伴奏"}</span>
					</div>

					{/* 选段按钮 */}
					<div
						id="tips-step-2"
						style={{ display: selectBtn.value.display ? "" : "none" }}
						class={[styles.btn, selectBtn.value.disabled && styles.disabled]}
						onClick={() => handleChangeSection()}
					>
						<img class={styles.iconBtn} src={state.section.length === 0 ? icons.section : state.section.length === 1 ? icons.section1 : icons.section2} />
						<span>选段</span>
					</div>

					{/* 指法按钮 */}
					<div
						id="tips-step-3"
						style={{ display: fingeringBtn.value.display ? "" : "none" }}
						class={[styles.btn, fingeringBtn.value.disabled && styles.disabled]}
						onClick={() => {
							state.setting.displayFingering = !state.setting.displayFingering;
						}}
					>
						<img class={styles.iconBtn} src={state.setting.displayFingering ? icons.fingeringOn : icons.fingeringOff} />
						<span>指法</span>
					</div>

					{/* <div
						class={[styles.btn]}
						onClick={async () => {
							metronomeData.lineShow = !metronomeData.lineShow;
						}}
					>
						<img class={styles.iconBtn} src={headImg("iconStep.png")} />
						<span>{metronomeData.lineShow ? "高级" : "初级"}</span>
					</div> */}
					{/* <div
						class={styles.btn}
						onClick={async () => {
							metronomeData.disable = !metronomeData.disable;
							metronomeData.metro?.initPlayer();
						}}
					>
						<img style={{ display: metronomeData.disable ? "block" : "none" }} class={styles.iconBtn} src={headImg("tickoff.png")} />
						<img style={{ display: !metronomeData.disable ? "block" : "none" }} class={styles.iconBtn} src={headImg("tickon.png")} />
						<span style={{ whiteSpace: "nowrap" }}>节拍器</span>
					</div> */}

					{/* 速度按钮 */}
					<Popover trigger="manual" v-model:show={headData.speedShow} placement="bottom" overlay={false}>
						{{
							reference: () => (
								<div
									id="tips-step-4"
									style={{ display: speedBtn.value.display ? "" : "none" }}
									class={[styles.btn, speedBtn.value.disabled && styles.disabled]}
									onClick={(e: Event) => {
										e.stopPropagation();
										headData.speedShow = !headData.speedShow;
									}}
								>
									<Badge class={styles.badge} content={state.speed}>
										<img class={styles.iconBtn} src={icons.speed} />
									</Badge>
									<span>速度</span>
								</div>
							),
							default: () => <Speed />,
						}}
					</Popover>

					{/* 转简谱按钮 */}
					<Popover trigger="manual" v-model:show={headData.musicTypeShow} placement="bottom-end" overlay={false}>
						{{
							reference: () => (
								<div
									style={{ display: converBtn.value.display ? "" : "none" }}
									class={[styles.btn, converBtn.value.disabled && styles.disabled]}
									onClick={(e: Event) => {
										e.stopPropagation();
										headData.musicTypeShow = !headData.musicTypeShow;
									}}
								>
									<img class={styles.iconBtn} src={icons["icon-zhuanpu"]} />
									<span>转简谱</span>
								</div>
							),
							default: () => <MusicType />,
						}}
					</Popover>

					{/* 设置按钮 */}
					<div
						style={{ display: settingBtn.value.display ? "" : "none" }}
						class={[styles.btn, settingBtn.value.disabled && styles.disabled]}
						onClick={() => (headData.settingMode = true)}
					>
						<img class={styles.iconBtn} src={icons.setting} />
						<span>设置</span>
					</div>

					{/* 播放按钮 */}
					<div
						style={{ display: playBtn.value.display ? "" : "none" }}
						class={[styles.btn, styles.playBtn, playBtn.value.disabled && styles.disabled]}
						id="tips-step-5"
						onClick={() => togglePlay()}
					>
						<div class={styles.btnWrap}>
							<img class={styles.iconBtn} src={state.playState === "paused" ? icons.play : icons.pause} />
							<Circle
								style={{ display: state.playState === "paused" ? "none" : "" }}
								class={styles.progress}
								stroke-width={80}
								currentRate={state.playProgress}
								rate={100}
								color="#FFC830"
							/>
						</div>
					</div>

					{/* 重播按钮 */}
					<div
						style={{ display: resetBtn.value.display ? "" : "none" }}
						class={[styles.btn, styles.resetBtn, resetBtn.value.disabled && styles.disabled]}
						id="tips-step-7"
						onClick={() => handleResetPlay()}
					>
						<img class={styles.iconBtn} src={icons["reset"]} />
					</div>
				</div>

				<Popup v-model:show={headData.settingMode} class="popup-custom van-scale" transition="van-scale" teleport="body">
					<Settting onClose={() => (headData.settingMode = false)} />
				</Popup>
				<Popup v-model:show={headData.modeMode} teleport="body" class="popup-custom" position="bottom" closeOnClickOverlay={false} overlay={false}>
					<ModeTypeMode onClose={(value) => handleChangeModeType(value)} />
				</Popup>
			</div>
		);
	},
});