const { resolveScene } = require('../../../../utils/static-ux/shared')
const { ROUTES, openStaticRoute } = require('../../../../utils/static-ux/route-map')

const READER_SURFACES = Object.freeze({
  'reader-a': {
    chapterTitle: '上古天真论',
    passages: [
      '上古之人，其知道者，法于阴阳，和于术数。',
      '食饮有节，起居有常，不妄作劳，故能形与神俱。'
    ]
  },
  'reader-b': {
    chapterTitle: '太阳病篇',
    passages: [
      '伤寒者，太阳病也。',
      '太阳之为病，脉浮，头项强痛而恶寒。'
    ]
  }
})

function createTcmSectionPageData(rawScene) {
  const scene = resolveScene(rawScene, ['reader-a', 'reader-b'], 'reader-a')
  const surface = READER_SURFACES[scene]

  return {
    title: '典籍阅读',
    scene,
    chapterTitle: surface.chapterTitle,
    passages: [...surface.passages],
    toolbarVisible: false,
    settings: {
      fontScale: 1,
      lineMode: 'normal',
      bgMode: 'default'
    },
    lineModes: [
      { key: 'compact', label: '紧凑' },
      { key: 'normal', label: '适中' },
      { key: 'relaxed', label: '宽松' }
    ],
    backgroundModes: [
      { key: 'default', label: '默认' },
      { key: 'paper', label: '纸张' },
      { key: 'care', label: '护眼' }
    ],
    catalogItems: [
      {
        key: 'reader-a',
        title: '上古天真论',
        route: `${ROUTES.tcm.section}?scene=reader-a`
      },
      {
        key: 'reader-b',
        title: '太阳病篇',
        route: `${ROUTES.tcm.section}?scene=reader-b`
      }
    ]
  }
}

function showNavigate(route) {
  openStaticRoute(route, wx)
}

Page({
  data: createTcmSectionPageData('reader-a'),

  onLoad(options) {
    this.setData(createTcmSectionPageData(options.scene))
  },

  handleToolbarToggle() {
    this.setData({
      toolbarVisible: !this.data.toolbarVisible
    })
  },

  handleLineModeTap(event) {
    this.setData({
      'settings.lineMode': event.currentTarget.dataset.mode
    })
  },

  handleBackgroundTap(event) {
    this.setData({
      'settings.bgMode': event.currentTarget.dataset.mode
    })
  },

  handleCatalogTap(event) {
    showNavigate(event.currentTarget.dataset.route)
  }
})

module.exports = {
  createTcmSectionPageData
}