package model

import (
	"encoding/csv"
	"fmt"
	"github.com/codinl/go-logger"
	"github.com/xuri/excelize/v2"
	"os"
	"time"
)

type ExportGoods struct {
	GoodsName            string          `json:"goods_name"`
	CardPool             uint32          `json:"card_pool"`
	RentStock            uint32          `json:"rent_stock"`
	PlayerHold           uint32          `json:"player_hold"`
	OrderCount           uint32          `json:"order_count"`
	DelayDeliverGameCard uint32          `json:"delay_deliver_game_card"`
	Goods                []GameCardGoods `json:"goods"`
}

func ExportGoodsStock(storeId uint32) string {
	var games []GameCard
	err := DB.Table("game_card").Order("id DESC").Find(&games).Error
	if err != nil {
		logger.Error("err:", err)
		return ""
	}

	if storeId == 0 {
		allInfo, err := GoodsStockAllInfo(games)
		if err != nil {
			logger.Error("err:", err)
			return ""
		}
		return GoodsStockFile(allInfo, "全部门店")
	} else {
		var store Store
		err := DB.Table("store").Where("id=?", storeId).Find(&store).Error
		if err != nil {
			logger.Error("err:", err)
			return ""
		}

		storeInfo, err := GoodsStockStoreInfo(games, storeId)
		if err != nil {
			logger.Error("err:", err)
			return ""
		}

		return GoodsStockFile(storeInfo, store.Name)
	}
}

func GoodsStockAllInfo(gameCards []GameCard) ([]ExportGoods, error) {
	goodsData := make([]ExportGoods, 0, len(gameCards))

	cardStocks := make([]GameCardGoodsStock, 0)
	err := DB.Table("game_card_goods_stock").Order("id DESC").Find(&cardStocks).Error
	if err != nil {
		logger.Error("err:", err)
		return goodsData, err
	}
	cardStockMap := make(map[uint64][]GameCardGoodsStock, 0)
	for i, _ := range cardStocks {
		cardStockMap[cardStocks[i].GameCardId] = append(cardStockMap[cardStocks[i].GameCardId], cardStocks[i])
	}

	cardGoods := make([]GameCardGoods, 0)
	err = DB.Table("game_card_goods").Order("id DESC").Find(&cardGoods).Error
	if err != nil {
		logger.Error("err:", err)
		return goodsData, err
	}
	cardGoodsMap := make(map[uint64][]GameCardGoods, 0)
	for i, _ := range cardGoods {
		cardGoodsMap[cardGoods[i].GameCardId] = append(cardGoodsMap[cardGoods[i].GameCardId], cardGoods[i])
	}

	for _, game := range gameCards {
		cardStock, ok1 := cardStockMap[uint64(game.ID)]
		gameCardGoods, ok2 := cardGoodsMap[uint64(game.ID)]
		if !ok1 || !ok2 {
			continue
		}

		exportGoods := &ExportGoods{
			GoodsName: game.Name,
			Goods:     gameCardGoods,
		}

		for i, _ := range cardStock {
			exportGoods.RentStock += cardStock[i].RentStock
			exportGoods.OrderCount += cardStock[i].OrderCount
		}
		exportGoods.CardPool = uint32(len(gameCardGoods))
		for i, _ := range gameCardGoods {
			if gameCardGoods[i].Status == GameCardGoodsStatusCustomerHold {
				exportGoods.PlayerHold += 1
			}
		}
		exportGoods.DelayDeliverGameCard = uint32(len(gameCardGoods)) - exportGoods.RentStock - exportGoods.PlayerHold
		goodsData = append(goodsData, *exportGoods)
	}
	return goodsData, err
}

func GoodsStockFile(goodsData []ExportGoods, fileName string) string {
	url := "http://switch.deovo.com:8000/img/export/"
	fileName = fileName + time.Now().Format("2006-01-02 15:04:05") + ".csv"
	// /www/server/images/export
	//f, err := os.OpenFile(fmt.Sprintf("./")+fileName, os.O_CREATE|os.O_TRUNC|os.O_APPEND|os.O_RDWR, 0644)
	f, err := os.OpenFile(fmt.Sprintf("/www/server/images/export/")+fileName, os.O_CREATE|os.O_TRUNC|os.O_APPEND|os.O_RDWR, 0644)
	if err != nil {
		fmt.Println(err)
		return url + fileName
	}
	defer f.Close()

	w := csv.NewWriter(f)

	headline := []string{"游戏名称", "卡池总数", "在库数量", "玩家持有数量", "锁定数量", "借出总数", "游戏卡编号", "状态"}
	if err := w.Write(headline); err != nil {
		logger.Error("error writing record to csv:", err)
		return url
	}

	for _, goods := range goodsData {
		record := []string{goods.GoodsName, fmt.Sprintf("%d", goods.CardPool),
			fmt.Sprintf("%d", goods.RentStock),
			fmt.Sprintf("%d", goods.PlayerHold),
			fmt.Sprintf("%d", goods.DelayDeliverGameCard),
			fmt.Sprintf("%d", goods.OrderCount)}
		if len(goods.Goods) > 0 {
			record = append(record, goods.Goods[0].SerialNumber, GoodsStatusStringByStatus(goods.Goods[0].Status))
		}
		if err := w.Write(record); err != nil {
			logger.Error("error writing record to csv:", err)
			return url
		}

		if len(goods.Goods) <= 1 {
			continue
		}

		for _, cardGoods := range goods.Goods[1:] {
			recordGoods := make([]string, 6)
			recordGoods = append(recordGoods, cardGoods.SerialNumber, GoodsStatusStringByStatus(cardGoods.Status))
			if err := w.Write(recordGoods); err != nil {
				logger.Error("error writing record to csv:", err)
				return url
			}
		}

	}
	newFile := excelize.NewFile()
	fmt.Println("newFile:", newFile)

	w.Flush()
	if err := w.Error(); err != nil {
		//log.Fatal(err)
		logger.Error("err:", err)
	}

	return url + fileName
}

func GoodsStockStoreInfo(gameCards []GameCard, storeId uint32) ([]ExportGoods, error) {
	goodsData := make([]ExportGoods, 0, len(gameCards))

	cardStocks := make([]GameCardGoodsStock, 0)
	err := DB.Table("game_card_goods_stock").Where("store_id=?", storeId).Order("id DESC").Find(&cardStocks).Error
	if err != nil {
		logger.Error("err:", err)
		return goodsData, err
	}
	cardStockMap := make(map[uint64]GameCardGoodsStock, 0)
	for i, _ := range cardStocks {
		cardStockMap[cardStocks[i].GameCardId] = cardStocks[i]
	}

	cardGoods := make([]GameCardGoods, 0)
	err = DB.Table("game_card_goods").Where("store_id=?", storeId).Order("id DESC").Find(&cardGoods).Error
	if err != nil {
		logger.Error("err:", err)
		return goodsData, err
	}
	cardGoodsMap := make(map[uint64][]GameCardGoods, 0)
	for i, _ := range cardGoods {
		cardGoodsMap[cardGoods[i].GameCardId] = append(cardGoodsMap[cardGoods[i].GameCardId], cardGoods[i])
	}

	for _, game := range gameCards {
		cardStock, ok1 := cardStockMap[uint64(game.ID)]
		gameCardGoods, ok2 := cardGoodsMap[uint64(game.ID)]
		if !ok1 || !ok2 {
			continue
		}

		exportGoods := &ExportGoods{
			GoodsName: game.Name,
			//CardPool:  cardStock.StoreStock,
			RentStock:  cardStock.RentStock,
			OrderCount: cardStock.OrderCount,
			Goods:      gameCardGoods,
		}

		exportGoods.CardPool = uint32(len(gameCardGoods))
		for i, _ := range gameCardGoods {
			if gameCardGoods[i].Status == GameCardGoodsStatusCustomerHold {
				exportGoods.PlayerHold += 1
			}
		}
		if uint32(len(gameCardGoods)) > exportGoods.RentStock+exportGoods.PlayerHold {
			exportGoods.DelayDeliverGameCard = uint32(len(gameCardGoods)) - exportGoods.RentStock - exportGoods.PlayerHold
		}

		goodsData = append(goodsData, *exportGoods)
	}

	return goodsData, err
}

func GoodsStatusStringByStatus(status uint32) string {
	switch status {
	case 1:
		return "库存中"
	case 2:
		return "在途"
	case 3:
		return "客户持有"
	case 4:
		return "调拨中"
	case 5:
		return "待收回"
	case 6:
		return "已收回"
	case 7:
		return "异常锁定"
	}

	return ""
}