const app = getApp()

Page({
  data: {
    timeRanges: ['今日', '本周', '自定义区间'],
    activeTimeRange: 0,
    contentTypes: ['单词', '句子'],
    activeContentType: 0,
    modes: ['中文 -> 英文拼写', '英文 -> 中文释义', '英文挖空填空'],
    activeMode: 0,
    onlyReview: true,
    shuffle: false,
    questionCount: 30,
  },
  onLoad() {
    const plan = app.globalData.reviewPlan
    this.setData({
      activeTimeRange: plan.timeRangeIndex,
      activeContentType: plan.contentTypeIndex,
      activeMode: plan.modeIndex,
      onlyReview: plan.onlyReview,
      shuffle: plan.shuffle,
      questionCount: plan.questionCount,
    })
  },
  persistPatch(patch) {
    app.globalData.reviewPlan = { ...app.globalData.reviewPlan, ...patch }
  },
  setTimeRange(e) {
    const activeTimeRange = Number(e.currentTarget.dataset.index)
    this.setData({ activeTimeRange })
    this.persistPatch({ timeRangeIndex: activeTimeRange })
  },
  setContentType(e) {
    const activeContentType = Number(e.currentTarget.dataset.index)
    this.setData({ activeContentType })
    this.persistPatch({ contentTypeIndex: activeContentType })
  },
  setMode(e) {
    const activeMode = Number(e.currentTarget.dataset.index)
    this.setData({ activeMode })
    this.persistPatch({ modeIndex: activeMode })
  },
  toggleOnlyReview() {
    const onlyReview = !this.data.onlyReview
    this.setData({ onlyReview })
    this.persistPatch({ onlyReview })
  },
  toggleShuffle() {
    const shuffle = !this.data.shuffle
    this.setData({ shuffle })
    this.persistPatch({ shuffle })
  },
  onQuestionCountInput(e) {
    const questionCount = e.detail.value
    this.setData({ questionCount })
    this.persistPatch({ questionCount })
  },
  startReview() {
    app.globalData.reviewSession = {
      deck: [],
      currentIndex: 0,
      correctCount: 0,
      wrongCount: 0,
      completed: false,
      currentAnswer: '',
    }
    wx.navigateTo({ url: '/pages/review-session/review-session' })
  },
})