// pages/game/create/create.js
import request from '../../../utils/request'

Page({
  data: {
    roomName: '',
    gameType: 'mahjong', // 默认麻将
    gameTypes: [
      { value: 'mahjong', label: '麻将' },
      { value: 'poker', label: '扑克' },
      { value: 'other', label: '其他' }
    ],
    tableFee: '0',
    quickSettings: ['10', '20', '30'],
    showSuccessModal: false,
    inviteCode: '',
    roomCode: '',
    roomId: null,
    creating: false,
    navbarHeight: 0,
    qrcodeUrl: ''
  },

  onLoad() {
    // 计算导航栏高度
    const windowInfo = wx.getWindowInfo()
    const menuButtonInfo = wx.getMenuButtonBoundingClientRect()
    const statusBarHeight = windowInfo.statusBarHeight
    const menuButtonTop = menuButtonInfo.top
    const navbarHeight = menuButtonInfo.bottom + (menuButtonTop - statusBarHeight)
    this.setData({ navbarHeight })

    // 检查登录状态
    const app = getApp()
    const userInfo = app.getUserInfo()
    if (!userInfo) {
      wx.showToast({
        title: '请先登录',
        icon: 'none'
      })
      setTimeout(() => {
        wx.navigateBack()
      }, 1500)
      return
    }

    // 设置默认房间名称为"昵称的房间"
    this.setData({
      roomName: `${userInfo.nickname}的房间`
    })
  },

  // 游戏类型选择
  onGameTypeChange(e) {
    const value = e.currentTarget.dataset.value
    this.setData({
      gameType: value
    })
  },

  // 桌位费输入
  onTableFeeInput(e) {
    let value = e.detail.value
    // 只允许正整数
    value = value.replace(/[^\d]/g, '')
    this.setData({
      tableFee: value
    })
  },

  // 快捷设置输入
  onQuickSettingInput(e) {
    const index = e.currentTarget.dataset.index
    const value = e.detail.value
    const quickSettings = [...this.data.quickSettings]
    quickSettings[index] = value
    this.setData({ quickSettings })
  },

  // 添加快捷设置
  addQuickSetting() {
    if (this.data.quickSettings.length >= 10) {
      wx.showToast({
        title: '最多添加10个快捷设置',
        icon: 'none'
      })
      return
    }
    const quickSettings = [...this.data.quickSettings]
    quickSettings.push('')
    this.setData({ quickSettings })
  },

  // 删除快捷设置
  removeQuickSetting(e) {
    const index = e.currentTarget.dataset.index
    if (this.data.quickSettings.length <= 1) {
      wx.showToast({
        title: '至少保留一个快捷设置',
        icon: 'none'
      })
      return
    }
    const quickSettings = [...this.data.quickSettings]
    quickSettings.splice(index, 1)
    this.setData({ quickSettings })
  },

  // 创建房间
  async createRoom() {
    const roomName = this.data.roomName.trim()
    const tableFee = parseFloat(this.data.tableFee) || 0
    const quickSettings = this.data.quickSettings
      .map(val => parseInt(val))
      .filter(val => !isNaN(val) && val > 0)

    if (!roomName) {
      wx.showToast({
        title: '请输入房间名称',
        icon: 'none'
      })
      return
    }

    if (quickSettings.length === 0) {
      wx.showToast({
        title: '请至少设置一个有效的快捷输入',
        icon: 'none'
      })
      return
    }

    if (this.data.creating) return

    this.setData({ creating: true })
    wx.showLoading({ title: '创建中...' })

    try {
      const data = await request.post('/rooms/create', {
        room_name: roomName,
        game_type: this.data.gameType,
        table_fee: tableFee,
        quick_settings: quickSettings
      })

      wx.hideLoading()

      this.setData({
        inviteCode: data.invite_code,
        roomCode: data.room_code,
        roomId: data.room_id,
        showSuccessModal: true
      })

      // 延迟生成二维码，确保canvas已渲染
      setTimeout(() => {
        this.generateQRCode(data.invite_code)
      }, 100)

      // 更新全局房间信息
      const app = getApp()
      app.setCurrentSession({
        id: data.room_id,
        room_code: data.room_code,
        room_name: roomName
      })

    } catch (error) {
      wx.hideLoading()
      wx.showToast({
        title: error.message || '创建失败',
        icon: 'none'
      })
    } finally {
      this.setData({ creating: false })
    }
  },

  // 生成二维码
  async generateQRCode(inviteCode) {
    try {
      const app = getApp()
      // 构建scene参数（使用邀请码）
      const scene = `code=${inviteCode}`

      console.log('【创建页】开始生成二维码, scene:', scene, 'invite_code:', inviteCode)

      wx.showLoading({ title: '生成二维码...' })

      // 调用app.js中的getQrcode方法获取二维码
      const qrcodeBuffer = await app.getQrcode(scene)

      console.log('【创建页】二维码数据返回:', qrcodeBuffer)

      wx.hideLoading()

      // 检查返回数据类型
      if (!qrcodeBuffer) {
        throw new Error('二维码数据为空')
      }

      // 将arraybuffer转换为base64
      const base64 = wx.arrayBufferToBase64(qrcodeBuffer)
      const qrcodeUrl = `data:image/png;base64,${base64}`

      console.log('【创建页】base64长度:', base64.length)

      // 更新页面数据，显示二维码图片
      this.setData({
        qrcodeUrl: qrcodeUrl
      })

    } catch (error) {
      wx.hideLoading()
      console.error('【创建页】生成二维码失败:', error)
      wx.showToast({
        title: error.message || '二维码生成失败',
        icon: 'none'
      })
    }
  },

  // 复制邀请码
  copyInviteCode() {
    if (!this.data.inviteCode) return

    wx.setClipboardData({
      data: this.data.inviteCode,
      success: () => {
        wx.showToast({
          title: '已复制邀请码',
          icon: 'success'
        })
      }
    })
  },

  // 进入房间
  goToRoom() {
    if (!this.data.roomId) return

    wx.redirectTo({
      url: `/pages/game/detail/detail?id=${this.data.roomId}`
    })
  },

  // 关闭弹窗
  closeModal() {
    this.setData({
      showSuccessModal: false
    })
  },

  // 阻止事件冒泡
  stopPropagation() {
    // 阻止点击弹窗内容时关闭
  },

  // 分享给朋友
  onShareAppMessage() {
    if (this.data.inviteCode) {
      return {
        title: `邀请你加入房间：${this.data.roomName}`,
        path: `/pages/game/join/join?code=${this.data.inviteCode}`,
        imageUrl: '/images/share-bg.png'
      }
    }
  }
})