package admin

// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// * Copyright 2023 The Geek-AI Authors. All rights reserved.
// * Use of this source code is governed by a Apache-2.0 license
// * that can be found in the LICENSE file.
// * @Author yangjian102621@163.com
// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

import (
	"geekai/core"
	"geekai/core/types"
	"geekai/handler"
	"geekai/store/model"
	"geekai/utils/resp"
	"github.com/gin-gonic/gin"
	"github.com/shopspring/decimal"
	"gorm.io/gorm"
	"time"
)

type DashboardHandler struct {
	handler.BaseHandler
}

func NewDashboardHandler(app *core.AppServer, db *gorm.DB) *DashboardHandler {
	return &DashboardHandler{BaseHandler: handler.BaseHandler{App: app, DB: db}}
}

// RegisterRoutes 注册路由
func (h *DashboardHandler) RegisterRoutes() {
	group := h.App.Engine.Group("/api/admin/dashboard/")
	group.GET("stats", h.Stats)
}

type statsVo struct {
	Users  int64                         `json:"users"`
	Chats  int64                         `json:"chats"`
	Tokens int                           `json:"tokens"`
	Income float64                       `json:"income"`
	Chart  map[string]map[string]float64 `json:"chart"`
}

func (h *DashboardHandler) Stats(c *gin.Context) {
	stats := statsVo{}
	now := time.Now()
	zeroTime := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location())

	// 总用户数
	h.DB.Model(&model.User{}).Count(&stats.Users)

	// 今日新增用户
	h.DB.Model(&model.User{}).Where("created_at > ?", zeroTime).Count(&stats.TodayUsers)

	// 总对话数
	h.DB.Model(&model.ChatItem{}).Count(&stats.Chats)

	// 今日新增对话
	h.DB.Model(&model.ChatItem{}).Where("created_at > ?", zeroTime).Count(&stats.TodayChats)

	// 总Token消耗
	var historyMessages []model.ChatMessage
	h.DB.Find(&historyMessages)
	for _, item := range historyMessages {
		stats.Tokens += item.Tokens
	}

	// 今日Token消耗
	var todayMessages []model.ChatMessage
	h.DB.Where("created_at > ?", zeroTime).Find(&todayMessages)
	for _, item := range todayMessages {
		stats.TodayTokens += item.Tokens
	}

	// 总收入
	var allOrders []model.Order
	h.DB.Where("status = ?", types.OrderPaidSuccess).Find(&allOrders)
	for _, item := range allOrders {
		stats.Income += item.Amount
	}

	// 今日收入
	var todayOrders []model.Order
	h.DB.Where("status = ?", types.OrderPaidSuccess).Where("created_at > ?", zeroTime).Find(&todayOrders)
	for _, item := range todayOrders {
		stats.TodayIncome += item.Amount
	}

	// 订单总数
	h.DB.Model(&model.Order{}).Where("status = ?", types.OrderPaidSuccess).Count(&stats.Orders)

	// 今日订单数
	h.DB.Model(&model.Order{}).Where("status = ?", types.OrderPaidSuccess).Where("created_at > ?", zeroTime).Count(&stats.TodayOrders)

	// 图片生成任务统计
	var mjJobs, sdJobs, dallJobs, jimengImageJobs int64
	h.DB.Model(&model.MidJourneyJob{}).Count(&mjJobs)
	h.DB.Model(&model.SdJob{}).Count(&sdJobs)
	h.DB.Model(&model.DallJob{}).Count(&dallJobs)
	h.DB.Model(&model.JimengJob{}).Where("type IN ?", []string{"text_to_image", "image_to_image", "image_edit", "image_effects"}).Count(&jimengImageJobs)
	stats.ImageJobs = mjJobs + sdJobs + dallJobs + jimengImageJobs

	// 今日图片生成任务统计
	var todayMjJobs, todaySdJobs, todayDallJobs, todayJimengImageJobs int64
	h.DB.Model(&model.MidJourneyJob{}).Where("created_at > ?", zeroTime).Count(&todayMjJobs)
	h.DB.Model(&model.SdJob{}).Where("created_at > ?", zeroTime).Count(&todaySdJobs)
	h.DB.Model(&model.DallJob{}).Where("created_at > ?", zeroTime).Count(&todayDallJobs)
	h.DB.Model(&model.JimengJob{}).Where("type IN ?", []string{"text_to_image", "image_to_image", "image_edit", "image_effects"}).Where("created_at > ?", zeroTime).Count(&todayJimengImageJobs)
	stats.TodayImageJobs = todayMjJobs + todaySdJobs + todayDallJobs + todayJimengImageJobs

	// 视频生成任务统计
	var videoJobs, jimengVideoJobs int64
	h.DB.Model(&model.VideoJob{}).Count(&videoJobs)
	h.DB.Model(&model.JimengJob{}).Where("type IN ?", []string{"text_to_video", "image_to_video"}).Count(&jimengVideoJobs)
	stats.VideoJobs = videoJobs + jimengVideoJobs

	// 今日视频生成任务统计
	var todayVideoJobs, todayJimengVideoJobs int64
	h.DB.Model(&model.VideoJob{}).Where("created_at > ?", zeroTime).Count(&todayVideoJobs)
	h.DB.Model(&model.JimengJob{}).Where("type IN ?", []string{"text_to_video", "image_to_video"}).Where("created_at > ?", zeroTime).Count(&todayJimengVideoJobs)
	stats.TodayVideoJobs = todayVideoJobs + todayJimengVideoJobs

	// 音乐生成任务统计
	h.DB.Model(&model.SunoJob{}).Count(&stats.MusicJobs)

	// 今日音乐生成任务统计
	h.DB.Model(&model.SunoJob{}).Where("created_at > ?", zeroTime).Count(&stats.TodayMusicJobs)

	// 统计7天的订单的图表
	startDate := now.Add(-7 * 24 * time.Hour).Format("2006-01-02")
	var statsChart = make(map[string]map[string]float64)
	//// 初始化
	var userStatistic, historyMessagesStatistic, incomeStatistic = make(map[string]float64), make(map[string]float64), make(map[string]float64)
	for i := 0; i < 7; i++ {
		var initTime = time.Date(now.Year(), now.Month(), now.Day()-i, 0, 0, 0, 0, now.Location()).Format("2006-01-02")
		userStatistic[initTime] = float64(0)
		historyMessagesStatistic[initTime] = float64(0)
		incomeStatistic[initTime] = float64(0)
	}

	// 统计用户7天增加的曲线
	var users []model.User
	res = h.DB.Model(&model.User{}).Where("created_at > ?", startDate).Find(&users)
	if res.Error == nil {
		for _, item := range users {
			userStatistic[item.CreatedAt.Format("2006-01-02")] += 1
		}
	}

	// 统计7天Token 消耗
	res = h.DB.Where("created_at > ?", startDate).Find(&historyMessages)
	for _, item := range historyMessages {
		historyMessagesStatistic[item.CreatedAt.Format("2006-01-02")] += float64(item.Tokens)
	}

	// 统计最近7天的订单
	var orders []model.Order
	res = h.DB.Where("status = ?", types.OrderPaidSuccess).Where("created_at > ?", startDate).Find(&orders)
	for _, item := range orders {
		incomeStatistic[item.CreatedAt.Format("2006-01-02")], _ = decimal.NewFromFloat(incomeStatistic[item.CreatedAt.Format("2006-01-02")]).Add(decimal.NewFromFloat(item.Amount)).Float64()
	}

	statsChart["users"] = userStatistic
	statsChart["historyMessage"] = historyMessagesStatistic
	statsChart["orders"] = incomeStatistic

	stats.Chart = statsChart

	resp.SUCCESS(c, stats)
}