const memoryCards = require('../../data/memoryCards')
const {
  getProgress,
  getSettings,
  saveSettings,
} = require('../../utils/storage')
const {
  getCollectedMemories,
} = require('../../utils/memoryCollection')
const { chapterRoute } = require('../../utils/chapterRoute')

function twoDigits(value) {
  return String(value).padStart(2, '0')
}

Page({
  data: {
    memories: [],
    memoryCount: 0,
    fontScale: 'large',
  },

  onShow() {
    const progress = getProgress()
    const settings = getSettings()
    const memories = getCollectedMemories(progress, memoryCards).map(
      (memory, index) => ({
        ...memory,
        chapterLabel: `第${twoDigits(memory.chapterNumber)}回`,
        pageLabel: `第${index + 1}页`,
        characterInitial: memory.characterName.slice(0, 1),
      }),
    )
    this.setData({
      memories,
      memoryCount: memories.length,
      fontScale: settings.fontScale === 'xlarge' ? 'xlarge' : 'large',
    })
  },

  goBack() {
    wx.reLaunch({ url: '/pages/home/home' })
  },

  openCatalog() {
    wx.navigateTo({ url: '/pages/catalog/catalog' })
  },

  openChapter(event) {
    const chapter = Number(event.currentTarget.dataset.chapter) || 1
    wx.navigateTo({
      url: chapterRoute(chapter),
    })
  },

  toggleFont() {
    const fontScale = this.data.fontScale === 'large' ? 'xlarge' : 'large'
    const settings = getSettings()
    settings.fontScale = fontScale
    saveSettings(settings)
    this.setData({ fontScale })
  },

  onShareAppMessage() {
    return {
      title: '我的桂香岁月：饭桌边，也有值得带回家说的话',
      path: '/pages/home/home',
    }
  },

  onShareTimeline() {
    return {
      title: '我的桂香岁月：饭桌边，也有值得带回家说的话',
      query: '',
    }
  },
})