const Timer = require('../../utils/timer')
const storage = require('../../utils/storage')
const planMod = require('../../utils/plan')
const themeMod = require('../../utils/theme')

Page({
  data: {
    theme: { primary: '#FF6B35', primaryLight: '#FF8C5A', primaryBg: '#FFF3ED', primaryRgb: '255,107,53' },
    themeStyle: '',
    duration: 60,
    remaining: 60,
    status: 'idle',
    isRunning: false,
    isPaused: false,
    isCompleted: false,
    overtime: 0,
    todayTarget: 0,
    planDay: 1,
    isFreeMode: false
  },

  onLoad(options) {
    themeMod.applyThemeToPage(this)
    this._init(options)
  },

  onShow() {
    themeMod.applyThemeToPage(this)
  },

  _init(options) {

    let target
    let planDay = 1
    let isFreeMode = false

    if (options && options.free) {
      target = parseInt(options.free) || 60
      isFreeMode = true
    } else {
      const settings = storage.getSettings()
      const allRecords = Object.values(storage.getRecords()).flat()
      const plan = planMod.getPlan(settings.planId)
      planDay = planMod.getPlanDay(settings.planId, allRecords)
      target = planMod.getTodayTarget(settings.planId, Math.min(planDay, plan.totalDays))
    }

    this.setData({
      duration: target,
      remaining: target,
      todayTarget: target,
      planDay: isFreeMode ? 0 : planDay,
      isFreeMode
    })

    this._timer = new Timer({
      onTick: (tick) => {
        this.setData({
          remaining: tick.remaining > 0 ? tick.remaining : 0,
          overtime: tick.remaining <= 0 ? tick.elapsed - this.data.duration : 0
        })
      },
      onComplete: () => {
        this.setData({ status: 'completed', isCompleted: true })
        if (storage.getSettings().vibrate) {
          try { wx.vibrateLong() } catch (e) {}
        }
        wx.showToast({ title: '目标完成! 太棒了!', icon: 'success', duration: 2000 })
      }
    })
  },

  onUnload() {
    if (this._timer) this._timer.stop()
  },

  onStart() {
    if (this.data.isPaused) {
      this._timer.resume()
      this.setData({ isRunning: true, isPaused: false, status: 'running' })
      return
    }
    if (this.data.isRunning) return
    this._timer.start(this.data.duration)
    this.setData({ isRunning: true, status: 'running' })
  },

  onPause() {
    if (!this.data.isRunning || this.data.isPaused) return
    this._timer.pause()
    this.setData({ isPaused: true, status: 'paused' })
  },

  onStop() {
    wx.showModal({
      title: '结束训练',
      content: '确定要结束本次训练吗?',
      success: (res) => {
        if (res.confirm) this.finishTraining()
      }
    })
  },

  finishTraining() {
    const elapsed = this._timer.stop()
    const today = storage.getToday()
    storage.saveRecord({
      date: today,
      duration: elapsed,
      planId: storage.getSettings().planId,
      day: this.data.planDay
    })
    storage.updateStreak(today)

    wx.showToast({ title: `已记录 ${elapsed}秒`, icon: 'none', duration: 1500 })
    setTimeout(() => { wx.navigateBack() }, 3000)
  }
})