var ble = require('../../services/ble')

Page({
  data: {
    regions: [
      { name: '左脸颊', mask: 0x01, checked: true },
      { name: '右脸颊', mask: 0x02, checked: true },
      { name: '额头', mask: 0x04, checked: true },
      { name: '下巴', mask: 0x08, checked: true },
      { name: '鼻部', mask: 0x10, checked: true },
      { name: '左眼周', mask: 0x20, checked: false },
      { name: '右眼周', mask: 0x40, checked: false }
    ],
    wavelengthOptions: [
      { name: '红光 630nm', value: 2, desc: '抗衰修复' },
      { name: '红外 850nm', value: 1, desc: '深层修复' },
      { name: '紫光 405nm', value: 3, desc: '祛痘消炎' },
      { name: '黄光 590nm', value: 4, desc: '提亮肤色' }
    ],
    selectedWavelength: 2,
    brightness: 200,
    durationOptions: [
      { label: '5分钟', value: 300000 },
      { label: '10分钟', value: 600000 },
      { label: '15分钟', value: 900000 },
      { label: '20分钟', value: 1200000 }
    ],
    selectedDuration: 600000,
    modeOptions: [
      { name: '普通模式', value: 0 },
      { name: '智能模式', value: 1 }
    ],
    selectedMode: 0,
    submitting: false,
    error: ''
  },

  onToggleRegion: function (e) {
    var idx = e.currentTarget.dataset.idx
    var regions = this.data.regions
    regions[idx].checked = !regions[idx].checked
    this.setData({ regions: regions })
  },

  onSelectAll: function () {
    var regions = this.data.regions.map(function (r) {
      return Object.assign({}, r, { checked: true })
    })
    this.setData({ regions: regions })
  },

  onSelectWavelength: function (e) {
    this.setData({ selectedWavelength: e.currentTarget.dataset.value })
  },

  onBrightnessChange: function (e) {
    this.setData({ brightness: parseInt(e.detail.value) })
  },

  onSelectDuration: function (e) {
    this.setData({ selectedDuration: e.currentTarget.dataset.value })
  },

  onSelectMode: function (e) {
    this.setData({ selectedMode: e.currentTarget.dataset.value })
  },

  onStart: function () {
    var self = this
    var mask = 0
    self.data.regions.forEach(function (r) {
      if (r.checked) mask |= r.mask
    })

    if (mask === 0) {
      wx.showToast({ title: '请至少选择一个区域', icon: 'none' })
      return
    }

    self.setData({ submitting: true, error: '' })

    ble.setParams({
      region_mask: mask,
      wavelength: self.data.selectedWavelength,
      brightness: self.data.brightness,
      duration_ms: self.data.selectedDuration,
      mode: self.data.selectedMode
    }).then(function () {
      return ble.startTreatment(mask)
    }).then(function () {
      self.setData({ submitting: false })
      wx.redirectTo({
        url: '/pages/treating/treating?regions=' + mask +
          '&wavelength=' + self.data.selectedWavelength +
          '&duration=' + self.data.selectedDuration +
          '&mode=' + self.data.selectedMode
      })
    }).catch(function (err) {
      self.setData({ submitting: false, error: err.error_msg || '启动失败' })
    })
  }
})