import {
  computed,
  defineComponent,
  nextTick,
  onBeforeMount,
  onMounted,
  reactive,
  ref
} from 'vue';
import styles from './index.module.less';
import icon_back from './image/icon_back.svg';
import icon_arrow from './image/icon_arrow.svg';
import {
  Button,
  Image,
  Popover,
  Popup,
  Tab,
  Tabs,
  Tag,
  popoverProps,
  showConfirmDialog,
  showDialog,
  showToast
} from 'vant';
import {
  api_lessonCoursewareFavoriteRemove,
  api_lessonCoursewareFavoriteSave,
  api_lessonCoursewareFavoriteage,
  api_lessonCoursewarePage,
  api_lessonCoursewareDetail,
  api_classLessonCoursewarePage,
  api_classLessonCoursewareDetail,
  api_schoolDetail,
  api_subjectList,
  api_bookVersionPage
} from './api';
import { NImage } from 'naive-ui';
import { state } from '@/state';
import TheFavorite from '@/components/the-favorite';
import { useRouter } from 'vue-router';
import TheBook from './component/book';
import { postMessage } from '@/helpers/native-message';
import CoursewareList from '@/custom-plugins/guide-page/courseware-list';
import './jquery.min.1.7.js';
import './turn.js';
import MEmpty from '@/components/m-empty';
import deepClone from '@/helpers/deep-clone';
import book from './component/book';
import { browser } from '@/helpers/utils';
import CoursewareReload from './courseware-reload';

export const BOOK_DATA = {
  grades: [
    // { text: '全部年级', value: '' },
    { text: '一年级', value: 1 },
    { text: '二年级', value: 2 },
    { text: '三年级', value: 3 },
    { text: '四年级', value: 4 },
    { text: '五年级', value: 5 },
    { text: '六年级', value: 6 },
    { text: '七年级', value: 7 },
    { text: '八年级', value: 8 },
    { text: '九年级', value: 9 }
  ],
  bookTypes: {
    LAST: '上册',
    NEXT: '下册'
  } as { [key: string]: string }
};

export default defineComponent({
  name: 'courseware-list',
  setup() {
    const router = useRouter();
    const popoverShow = ref(false);
    const reloadStatus = ref(false);
    const baseBookVerionList = ref([] as any);
    const bookVersionList = ref([] as any);
    // 返回
    const goback = () => {
      postMessage({ api: 'goBack' });
    };
    const coursewareStorage = localStorage.getItem('courseware-list')
      ? JSON.parse(localStorage.getItem('courseware-list') as any)
      : {};
    const forms = reactive({
      currentGradeNum: coursewareStorage.currentGradeNum || null,
      bookVersionId: coursewareStorage.bookVersionId || (null as any),
      // instrumentId:
      //   coursewareStorage.instrumentId ||
      //   state.user.data?.instrumentId ||
      //   (null as any),
      // subjectId:
      //   coursewareStorage.subjectId ||
      //   state.user.data?.subjectId ||
      //   (null as any),
      page: 1,
      rows: 999,
      type: 'COURSEWARE'
    });
    // const _actions = computed(() => {
    //   return BOOK_DATA.grades.map((item, index) => {
    //     return {
    //       ...item,
    //       color:
    //         forms.currentGradeNum === index ? 'var(--van-primary-color)' : '',
    //       className: forms.currentGradeNum === index ? 'fontBlod' : ''
    //     };
    //   });
    // });
    // const onSelect = (action: any, index: number) => {
    //   forms.currentGradeNum = index;
    //   handleChange();
    // };
    const isShowGuide = ref(false);
    const data = reactive({
      list: [] as any[],
      loading: false,
      favoriteList: [] as any[],
      tab: 'all',
      details: [] as any[],
      bookData: {} as any,
      bookLessonId: '',
      subjectList: [] as any,
      instrumentList: [] as any, // 乐器列表
      showBook: false,
      book: {} as DOMRect
    });

    const getTanentList = async () => {
      try {
        // const schoolInfos = state.user.data.schoolInfos;
        // const schoolId =
        //   schoolInfos && schoolInfos.length > 0 ? schoolInfos[0].id : null;
        // if (!schoolId) return;
        // await api_schoolDetail({
        //   id: schoolId
        // });
        const { data } = await api_bookVersionPage({ type: 'COURSEWARE' });
        const result = data.rows || []
        baseBookVerionList.value = result.map((item: any) => {
          return {
            bookVersionId: item.id,
            bookVersionName: item.name
          };
        });
        bookVersionList.value = deepClone(baseBookVerionList.value);
        const index = baseBookVerionList.value.findIndex(
          (item: any) => item.bookVersionId == coursewareStorage.bookVersionId
        );
        // 判断列表中是存在，缓存的教材数据
        if (index < 0) {
          forms.bookVersionId = null;
        }
      } catch (e) {
        //
        console.log(e);
      }
    };

    const getList = async () => {
      data.loading = true;
      const { bookVersionId, currentGradeNum, ...more } = forms;
      const res = await api_lessonCoursewarePage({
        ...more,
        bookVersionId: bookVersionId == -1 ? null : bookVersionId,
        currentGradeNum: currentGradeNum ? currentGradeNum : ''
      });
      if (res?.code === 200 && Array.isArray(res?.data?.rows)) {
        data.list = res.data.rows.map((item: any) => {
          item.load = false;
          item.key = Date.now() + item.id;
          return item;
        });
      }
      data.loading = false;
      setTimeout(() => {
        isShowGuide.value = true;
      }, 100);
    };
    const getFavoriteList = async () => {
      data.loading = true;
      const res = await api_lessonCoursewareFavoriteage({
        clientType: 'STUDENT',
        userId: state.user?.data?.id,
        page: forms.page,
        rows: forms.rows,
        // subjectId: forms.subjectId,
        bookVersionId: forms.bookVersionId != -1 ? forms.bookVersionId : '',
        currentGradeNum: forms.currentGradeNum ? forms.currentGradeNum : ''
      });
      if (res?.code === 200 && Array.isArray(res?.data?.rows)) {
        data.list = res.data.rows.map((item: any) => {
          item.name = `${item.name}`;
          item.load = false;
          item.favoriteFlag = true;
          item.key = Date.now() + item.id;
          return item;
        });
      }
      data.loading = false;
    };
    const getLessonCourseware = async () => {
      data.loading = true;
      const res = await api_classLessonCoursewarePage({
        // clientType: 'STUDENT',
        // userId: state.user?.data?.id,
        bookVersionId: forms.bookVersionId ? forms.bookVersionId : '',
        page: forms.page,
        rows: forms.rows,
        // subjectId: forms.subjectId,
        currentGradeNum: forms.currentGradeNum ? forms.currentGradeNum : ''
      });
      if (res?.code === 200 && Array.isArray(res?.data?.rows)) {
        data.list = res.data.rows.map((item: any) => {
          item.load = false;
          item.key = Date.now() + item.id;
          return item;
        });
      }
      data.loading = false;
      // isShowGuide.value = true;
    };
    const getData = () => {
      if (data.tab === 'all') {
        getList();
      }
      if (data.tab === 'favorite') {
        getFavoriteList();
      }
      if (data.tab === 'course') {
        getLessonCourseware();
      }
    };
    const contentContainerRef = ref();
    const handleChange = () => {
      if (data.tab === 'course') {
        bookVersionList.value = [
          ...deepClone(baseBookVerionList.value),
          {
            bookVersionId: -1,
            bookVersionName: '自定义'
          }
        ];
      } else {
        bookVersionList.value = deepClone(baseBookVerionList.value);
      }

      getData();

      if (contentContainerRef.value && browser().isTablet) {
        contentContainerRef.value.scrollTo(0, 0);
      }
    };

    const getSubjectList = async () => {
      try {
        const res = await api_subjectList({
          enableFlag: true,
          delFlag: 0,
          page: 1,
          rows: 999
        });
        // console.log(res.data, ' subjectList');
        data.subjectList = res.data.rows || [];
      } catch {}
    };
    onMounted(async () => {
      window.addEventListener('error', (e: any) => {
        console.log(e, 'error');
      });
      // console.log(browser().isTablet, 'browser().isTablet');
      await getTanentList();
      await getSubjectList();

      // if (forms.subjectId && data.subjectList.length > 0) {
      //   data.subjectList.forEach((item: any) => {
      //     if (item.id == forms.subjectId) {
      //       data.instrumentList = item.instruments || [];
      //     }
      //   });
      // }
      getData();
      // 安卓的状态栏
      postMessage({
        api: 'setStatusBarVisibility',
        content: {
          isVisibility: 0
        }
      });
    });

    const handleFavorite = async (item: any) => {
      if (item.favoriteFlag) {
        await api_lessonCoursewareFavoriteSave({
          lessonCoursewareId: item.id
        });
      } else {
        await api_lessonCoursewareFavoriteRemove({
          lessonCoursewareId: item.id
        });
        if (data.tab === 'favorite') {
          // getData();
          // item.favoriteFlag = !item.favoriteFlag;
        }
      }
    };

    let timer: any = null;
    const dubounce = (fn: any, delay: number = 300) => {
      if (timer) {
        clearTimeout(timer);
      }
      timer = setTimeout(fn, delay);
    };

    /** 学生端根据教材编号获取关联的单元、章节 */
    const getDetail = async (item: any) => {
      if (data.tab === 'course') {
        const res = await api_classLessonCoursewareDetail({
          id: item.id
          // subjectId: forms.subjectId
        });
        if (res?.code == 200 && Array.isArray(res?.data?.lessonList)) {
          data.details = res.data.lessonList || [];
          data.bookData = res.data;
          data.bookLessonId = item.id;
          console.log('🚀 ~ data.details course:', data.details);
        } else {
          // showConfirmDialog({
          //   title: '提示',
          //   message: '课程教材已更新，是否重新加载？'
          // })
          //   .then(() => {
          //     // on confirm
          //     getData();
          //   })
          //   .catch(() => {
          //     // on cancel
          //   });
          reloadStatus.value = true;
          return;
        }
      } else {
        const res = await api_lessonCoursewareDetail({
          id: item.id
          // subjectId: forms.subjectId
        });
        if (res?.code == 200 && Array.isArray(res?.data?.lessonList)) {
          data.details = res.data.lessonList || [];
          data.bookData = res.data;
          data.bookLessonId = item.id;
          console.log('🚀 ~ data.details:', data.details);
        }
      }

      handleCreateContainer(item.id);
      handleRender(() => {
        data.showBook = true;
      });
    };

    const handleCreateContainer = (id: string) => {
      const box = document.querySelector(
        `[data-id="${id}"]`
      ) as unknown as HTMLElement;
      if (!box) return;
      const rect = box.getBoundingClientRect();
      data.book = rect;
    };
    const handleRender = (fn: any) => {
      requestAnimationFrame(() => {
        requestAnimationFrame(() => {
          fn();
        });
      });
    };
    const handleOpen = async (item: any) => {
      await getDetail(item);
    };

    return () => (
      <div
        class={[
          styles.container,
          // styles.containerTablet,
          browser().isTablet ? styles.containerTablet : ''
        ]}>
        <div class={styles.head} style={{ opacity: data.showBook ? 0 : '' }}>
          <div class={styles.back} onClick={goback}>
            <img src={icon_back} />
          </div>
          <Tabs
            class={styles.tabs}
            v-model:active={data.tab}
            onChange={() => handleChange()}>
            <Tab title="全部教材" name="all"></Tab>
            <Tab title="课程教材" name="course"></Tab>
            <Tab
              name="favorite"
              v-slots={{
                title: () => <div id="courseware-2">我的收藏</div>
              }}></Tab>
          </Tabs>
          <Button
            class={[
              styles.downBtn,
              (data.tab != 'course' && forms.bookVersionId > 0) ||
              (data.tab == 'course' && forms.bookVersionId) ||
              forms.currentGradeNum
                ? styles.activeBtn
                : ''
            ]}
            round
            size="small"
            onClick={() => (popoverShow.value = true)}
            {...{ id: 'courseware-3' }}>
            筛选
            <svg
              class={[styles.icon, popoverShow.value ? styles.iconUp : '']}
              width="9px"
              height="5px"
              viewBox="0 0 9 5"
              version="1.1"
              xmlns="http://www.w3.org/2000/svg">
              <title>三角形</title>
              <g
                id="演示用"
                stroke="none"
                stroke-width="1"
                fill="currentColor"
                fill-rule="evenodd">
                <g
                  id="全部教材-筛选"
                  transform="translate(-769.000000, -35.000000)"
                  fill="currentColor">
                  <g id="编组-3" transform="translate(696.000000, 20.000000)">
                    <g
                      id="筛选目录备份-2"
                      transform="translate(13.000000, 7.000000)">
                      <path
                        d="M64.8716471,8.41294119 L68.2489659,12.1655176 C68.4336954,12.3707726 68.4170562,12.6869176 68.2118012,12.8716471 C68.1199888,12.9542782 68.0008397,13 67.8773188,13 L61.1226812,13 C60.8465388,13 60.6226812,12.7761424 60.6226812,12.5 C60.6226812,12.3764791 60.668403,12.25733 60.7510341,12.1655176 L64.1283529,8.41294119 C64.3130824,8.20768618 64.6292274,8.19104698 64.8344824,8.37577649 C64.8475136,8.38750459 64.859919,8.39990996 64.8716471,8.41294119 Z"
                        id="三角形"
                        transform="translate(64.500000, 10.500000) rotate(-180.000000) translate(-64.500000, -10.500000) "></path>
                    </g>
                  </g>
                </g>
              </g>
            </svg>
          </Button>
        </div>

        <div
          ref={contentContainerRef}
          class={[
            styles.content,
            data.list.length <= 0 && !data.loading ? styles.contentEmpty : ''
          ]}>
          <div
            class={[
              styles.wrap,
              data.list.length <= 0 && !data.loading ? styles.emtpyWrap : ''
            ]}>
            {data.list.map((item, index) => {
              return (
                <div
                  class={[
                    styles.wrapItem,
                    data.bookData.id === item.id && data.showBook
                      ? styles.wrapItemHide
                      : ''
                  ]}
                  key={item.key}
                  onClick={() => handleOpen(item)}>
                  {/* courseware- */}

                  <div class={styles.item}>
                    <NImage
                      data-id={item.id}
                      {...{ id: index == 0 ? 'courseware-0' : '' }}
                      class={[styles.cover, item.load ? styles.loaded : '']}
                      objectFit="cover"
                      src={item.coverImg}
                      onLoad={() => {
                        item.load = true;
                      }}
                    />
                  </div>

                  <div class={styles.name}>{item.name}</div>
                  {/* 课程教材不需要收藏 */}
                  {!data.loading && data.tab !== 'course' && (
                    <div
                      id={index === 0 ? 'courseware-1' : ''}
                      class={styles.favoriteBtn}
                      onClick={(e: Event) => {
                        e.stopPropagation();
                        item.favoriteFlag = !item.favoriteFlag;
                        dubounce(() => handleFavorite(item));
                      }}>
                      <TheFavorite isFavorite={item.favoriteFlag} />
                    </div>
                  )}
                </div>
              );
            })}

            {data.list.length <= 0 && !data.loading && (
              <MEmpty image="list" description="暂无数据" />
            )}
          </div>
        </div>
        <TheBook
          show={data.showBook}
          bookData={data.bookData}
          bookLessonId={data.bookLessonId}
          // subjectId={forms.subjectId}
          tab={data.tab}
          rect={data.book}
          onClose={() => {
            data.showBook = false;
          }}
          onConfirm={() => {
            getData();
          }}
        />

        {isShowGuide.value ? <CoursewareList></CoursewareList> : null}

        <Popup v-model:show={popoverShow.value} class={styles.popupContainer}>
          <div class={styles.popoverContainer}>
            <div class={styles.searchList}>
              {bookVersionList.value.length > 0 && (
                <>
                  <div class={styles.popoverTitle}>教材版本</div>
                  <div class={[styles.popupList, styles.versionList]}>
                    {bookVersionList.value.map((item: any) => (
                      <Tag
                        plain={forms.bookVersionId == item.bookVersionId}
                        round
                        onClick={() =>
                          (forms.bookVersionId = item.bookVersionId)
                        }>
                        {item.bookVersionName}
                      </Tag>
                    ))}
                  </div>
                </>
              )}

              <div class={styles.popoverTitle}>选择年级</div>
              <div class={[styles.popupList, styles.versionList]}>
                {BOOK_DATA.grades.map((item: any) => (
                  <Tag
                    plain={forms.currentGradeNum === item.value}
                    round
                    onClick={() => (forms.currentGradeNum = item.value)}>
                    {item.text}
                  </Tag>
                ))}
              </div>

              {/* <div class={styles.popoverTitle}>选择声部</div>
              <div class={[styles.popupList, styles.versionList]}>
                {data.subjectList.map((item: any) => (
                  <span
                    // plain={forms.subjectId == item.id}
                    class={[
                      styles.subjectItem,
                      forms.subjectId == item.id && styles.active,
                      item.instruments?.length > 0 && styles.arrow
                    ]}
                    onClick={() => {
                      forms.subjectId = item.id;
                      data.instrumentList = item.instruments || [];
                      if (data.instrumentList.length > 0) {
                        forms.instrumentId = data.instrumentList[0].id;
                      }
                    }}>
                    {item.name}
                  </span>
                ))}
              </div>

              {data.instrumentList.length > 0 && (
                <>
                  <div class={styles.popoverTitle}>选择乐器</div>
                  <div class={[styles.popupList, styles.versionList]}>
                    {data.instrumentList.map((item: any) => (
                      <Tag
                        plain={forms.instrumentId == item.id}
                        round
                        onClick={() => (forms.instrumentId = item.id)}>
                        {item.name}
                      </Tag>
                    ))}
                  </div>
                </>
              )}*/}
            </div>

            <div class={styles.btnGroup}>
              <Button
                round
                onClick={() => {
                  forms.bookVersionId = null;
                  forms.currentGradeNum = null;
                  // forms.subjectId = state.user.data?.subjectId || null;
                  // forms.instrumentId = state.user.data?.instrumentId || null;
                  // if (forms.subjectId && data.subjectList.length > 0) {
                  //   data.subjectList.forEach((item: any) => {
                  //     if (item.id == forms.subjectId) {
                  //       data.instrumentList = item.instruments || [];
                  //     }
                  //   });
                  // }
                }}>
                重置
              </Button>
              <Button
                round
                class={styles.btnSure}
                onClick={() => {
                  // 保存缓存
                  localStorage.setItem(
                    'courseware-list',
                    JSON.stringify({
                      bookVersionId: forms.bookVersionId,
                      currentGradeNum: forms.currentGradeNum
                      // subjectId: forms.subjectId,
                      // instrumentId: forms.instrumentId
                    })
                  );
                  getData();
                  popoverShow.value = false;
                }}>
                确认
              </Button>
            </div>
          </div>
        </Popup>

        {reloadStatus.value && (
          <CoursewareReload
            onClose={() => {
              reloadStatus.value = false;
            }}
            onConfirm={() => {
              getData();
            }}></CoursewareReload>
        )}
      </div>
    );
  }
});