// pages/stats/personal/personal.js
import request from '../../../utils/request'

Page({
  data: {
    userInfo: null,
    loading: true,
    navbarHeight: 0,

    // 统计数据
    stats: {
      total_games: 0,
      total_win: 0,
      total_loss: 0,
      win_rate: 0,
      net_profit: 0,
      max_win: 0,
      max_loss: 0,
      avg_profit: 0
    },

    // 时间范围
    timeRange: 'all', // all/month/week
    timeRangeText: {
      all: '全部',
      month: '近30天',
      week: '近7天'
    },

    // 趋势数据
    trendData: [],

    // 游戏类型统计
    gameTypeStats: [],

    // 最佳战绩
    bestRecords: {
      max_win_session: null,
      max_loss_session: null,
      longest_win_streak: 0,
      longest_loss_streak: 0
    }
  },

  _isFirstLoad: true, // 标记是否首次加载

  onLoad(options) {
    this._isFirstLoad = true

    // 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 })

    this.loadUserInfo()
  },

  onShow() {
    // 只在非首次加载时刷新数据（避免onLoad和onShow重复加载）
    if (!this._isFirstLoad) {
      this.loadUserInfo()
    }
    this._isFirstLoad = false
  },

  // 加载用户信息
  loadUserInfo() {
    const app = getApp()
    const userInfo = app.getUserInfo()

    if (userInfo) {
      this.setData({ userInfo })
      this.loadStats()
      this.loadTrendData()
      this.loadGameTypeStats()
    } else {
      // 未登录，显示提示
      this.setData({
        userInfo: null,
        loading: false
      })
    }
  },

  // 跳转登录
  goToLogin() {
    wx.navigateTo({
      url: '/pages/login/login'
    })
  },

  // 加载统计数据
  async loadStats() {
    this.setData({ loading: true })

    try {
      // 根据时间范围确定天数
      let days = 0 // 0表示全部
      if (this.data.timeRange === 'month') {
        days = 30
      } else if (this.data.timeRange === 'week') {
        days = 7
      }

      const stats = await request.get('/auth/profile', { days })

      // 计算额外统计
      const netProfit = (stats.total_win || 0) - (stats.total_loss || 0)
      const avgProfit = stats.total_games > 0
        ? Math.round(netProfit / stats.total_games)
        : 0

      this.setData({
        stats: {
          total_games: stats.total_games || 0,
          total_win: stats.total_win || 0,
          total_loss: stats.total_loss || 0,
          win_rate: stats.win_rate || 0,
          net_profit: netProfit,
          max_win: stats.max_win || 0,
          max_loss: stats.max_loss || 0,
          avg_profit: avgProfit
        },
        loading: false
      })
    } catch (error) {
      console.error('加载统计失败:', error)
      this.setData({ loading: false })
      wx.showToast({
        title: '加载失败',
        icon: 'none'
      })
    }
  },

  // 加载趋势数据
  async loadTrendData() {
    try {
      // 根据时间范围确定天数
      let days = 30
      if (this.data.timeRange === 'month') {
        days = 30
      } else if (this.data.timeRange === 'week') {
        days = 7
      } else if (this.data.timeRange === 'all') {
        days = 365 // 全部显示一年数据
      }

      const data = await request.get('/stats/trend', { days })

      console.log('=== 趋势数据调试 ===')
      console.log('API返回数据:', JSON.stringify(data))
      console.log('数据长度:', data?.length)
      console.log('数据类型:', typeof data)

      if (!data || data.length === 0) {
        console.log('数据为空,设置trendData为[]')
        this.setData({ trendData: [] })
        return
      }

      // 找出最大赢和最大输
      const maxWin = Math.max(...data.map(item => item.profit > 0 ? item.profit : 0), 0)
      const maxLoss = Math.abs(Math.min(...data.map(item => item.profit < 0 ? item.profit : 0), 0))
      const maxValue = Math.max(maxWin, maxLoss, 1)

      console.log('maxWin:', maxWin, 'maxLoss:', maxLoss, 'maxValue:', maxValue)

      // 格式化日期和计算百分比
      const formattedData = data.map(item => {
        const date = new Date(item.date)
        const profit = item.profit || 0
        // 计算相对于最大值的百分比
        const heightPercent = (Math.abs(profit) / maxValue * 50).toFixed(2)

        console.log(`处理数据: date=${item.date}, profit=${profit}, heightPercent=${heightPercent}`)

        return {
          ...item,
          date: `${date.getMonth() + 1}/${date.getDate()}`,
          heightPercent: heightPercent
        }
      })

      // 计算Y轴刻度 (上方正数,下方负数)
      const yAxisLabels = [
        Math.round(maxValue),
        Math.round(maxValue * 0.5),
        0,
        -Math.round(maxValue * 0.5),
        -Math.round(maxValue)
      ]

      console.log('formattedData:', JSON.stringify(formattedData))
      console.log('yAxisLabels:', yAxisLabels)

      this.setData({
        trendData: formattedData,
        maxValue: maxValue,
        yAxisLabels: yAxisLabels
      })

      console.log('setData完成')
    } catch (error) {
      console.error('加载趋势失败:', error)
      this.setData({ trendData: [] })
    }
  },

  // 加载游戏类型统计
  async loadGameTypeStats() {
    try {
      const data = await request.get('/stats/by-game-type')
      // 转换API数据格式为页面需要的格式
      const formattedData = (data || []).map(item => ({
        type: item.game_type,
        name: item.game_type_name,
        games: item.games,
        win_rate: item.win_rate,
        profit: item.total_profit
      }))
      this.setData({ gameTypeStats: formattedData })
    } catch (error) {
      console.error('加载游戏类型统计失败:', error)
    }
  },

  // 切换时间范围
  onTimeRangeChange(e) {
    const timeRange = e.currentTarget.dataset.range
    console.log('=== 切换时间范围 ===', timeRange)
    this.setData({ timeRange })
    this.loadStats()
    this.loadTrendData()
  },

  // 查看战绩列表
  viewRecords() {
    wx.navigateTo({
      url: '/pages/record/list/list'
    })
  },

  // 分享战绩
  shareStats() {
    wx.showModal({
      title: '功能开发中',
      content: '战绩分享功能正在开发中',
      showCancel: false
    })
  },

  // 下拉刷新
  onPullDownRefresh() {
    Promise.all([
      this.loadStats(),
      this.loadTrendData(),
      this.loadGameTypeStats()
    ]).then(() => {
      wx.stopPullDownRefresh()
    })
  }
})