package exchange

import (
	"encoding/json"
	"epur-pay/model"
	"epur-pay/pkg/httpclient"
	"epur-pay/pkg/logger"
	"epur-pay/pkg/rds"
	"epur-pay/pkg/utils"
	"fmt"
	"github.com/shopspring/decimal"
	"gorm.io/gorm"
	"time"
)

type CurBody struct {
	Name       string `json:"name"`       // 名称
	Rate       string `json:"rate"`       // 汇率
	Updatetime string `json:"updatetime"` // 时间2022-11-01 14:09:24
}
type ResultMsg struct {
	Currency string             `json:"currency"` // 币种CNY
	Name     string             `json:"name"`     // 币种名称人民币
	List     map[string]CurBody `json:"list"`     // USD
}

type CurResponse struct {
	Status int       `json:"status"`
	Msg    string    `json:"msg"`
	Result ResultMsg `json:"result"`
}

type WanWeiYuanCurrency struct {
	HuiIn   string `json:"hui_in,omitempty"`   // 现汇买入价
	HuiOut  string `json:"hui_out,omitempty"`  // 现汇卖出价
	ChaoOut string `json:"chao_out,omitempty"` // 现钞卖出价
	ChaoIn  string `json:"chao_in,omitempty"`  // 现钞买入价
	Name    string `json:"name"`               // 货币名称
	Zhesuan string `json:"zhesuan,omitempty"`  // 中行折算价
	Code    string `json:"code"`               // 货币简码
	Day     string `json:"day"`                // 发布日期
	Time    string `json:"time"`               // 发布时间
}
type WanWeiYuanCurrencyResponse struct {
	ShowapiResError string `json:"showapi_res_error"`
	ShowapiResId    string `json:"showapi_res_id"`
	ShowapiResCode  int64  `json:"showapi_res_code"`
	ShowapiFeeNum   int64  `json:"showapi_fee_num"`
	ShowapiResBody  struct {
		RetCode  int64                `json:"ret_code"`
		ListSize int64                `json:"listSize"`
		List     []WanWeiYuanCurrency `json:"list"`
	} `json:"showapi_res_body"`
}

type ExchangeResponse struct {
	ShowapiResError string          `json:"showapi_res_error"`
	ShowapiResId    string          `json:"showapi_res_id"`
	ShowapiResCode  int             `json:"showapi_res_code"`
	ShowapiFeeNum   int             `json:"showapi_fee_num"`
	ShowapiResBody  ExchangeResBody `json:"showapi_res_body"`
}
type ExchangeResBody struct {
	List     []ExchangeList `json:"list"`
	ListSize int            `json:"listSize"`
	RetCode  int            `json:"ret_code"`
}
type ExchangeList struct {
	Code    string `json:"code"`
	HuiOut  string `json:"hui_out"`
	Zhesuan string `json:"zhesuan"`
	ChaoOut string `json:"chao_out"`
	Time    string `json:"time"`
	Name    string `json:"name"`
	HuiIn   string `json:"hui_in"`
	ChaoIn  string `json:"chao_in"`
	Day     string `json:"day"`
}

func GetRate() {
	btime := time.Now().UnixNano()
	logger.AccessLogger.Info("ExchangeRate...", btime)
	if err := rds.DB.Transaction(func(ts *gorm.DB) error {
		resp := ExchangeResponse{}
		// TWD新台币 MYR马来西亚林吉特 SGD新加坡元 PHP菲律宾比索 IDR印度尼西亚盾 THB泰铢 BRL巴西雷亚尔 GBP英镑 MXN墨西哥比索 VND越南盾
		//Currency := []string{"TWD", "MYR", "SGD", "PHP", "IDR", "THB", "BRL", "GBP", "MXN", "VND"}
		str, _ := AliyunExchangeApi()
		err := json.Unmarshal([]byte(str), &resp)
		if err != nil {
			logger.AccessLogger.Error("ERROR:", err.Error())
			return err
		}
		if resp.ShowapiResCode != 0 {
			logger.AccessLogger.Error("ERROR:", resp.ShowapiResError)
			return err
		}
		for idx, tmp := range resp.ShowapiResBody.List {
			logger.AccessLogger.Debug(idx, "处理币种:", tmp.Code, "汇率:", tmp.HuiIn)
			if len(tmp.HuiIn) < 1 {
				tmp.HuiIn = tmp.ChaoIn
			}
			rate := model.ExchangeRate{}
			rate.RateId = 0
			rate.FromName = "人民币"
			rate.FromCurrency = "CNY"
			rate.FromAmt = decimal.NewFromFloat(1.00)
			rate.Unit = "元"
			rate.ToCurrency = tmp.Code
			rate.ToName = tmp.Name
			rate.Date = utils.Str2FormatDateTime(tmp.Day, "2006-01-02", nil).Unix()
			rate.Status = model.Normal
			rate.CreateTime = utils.Time2StampSecond()
			rate.ToAmt, _ = decimal.NewFromString(tmp.HuiIn)
			rate.ToAmt = decimal.NewFromInt(100).DivRound(rate.ToAmt, 6)
			res := ts.Table(model.ExchangeRate{}.TableName()).
				Where(model.ExchangeRate{FromCurrency: rate.FromCurrency, ToCurrency: rate.ToCurrency, Date: rate.Date, Status: model.Normal}).
				FirstOrCreate(&rate)
			if res.Error != nil {
				logger.AccessLogger.Error("ERROR:", res.Error)
				return res.Error
			}
			//// 刷新缓存
			//cache.Global.Caches.Currency.Refresh()
		}
		return nil
	}); err != nil {
		logger.AccessLogger.Error("ERROR:", err.Error())
	}
	etime := time.Now().UnixNano()
	logger.AccessLogger.Info("END...", etime-btime)
	//logger.AccessLogger.Info("USD:", cache.Global.Caches.Currency.ToCNY("USD", decimal.NewFromInt(100)))
}

// curl -i -k --get --include
// 'https://ali-waihui.showapi.com/waihui-transform?fromCode=GBP&money=100&toCode=EUR'
// -H 'Authorization:APPCODE 你自己的AppCode'
func HttpGet(toCode string) (str string, code int) {
	header := map[string]string{}
	header["Authorization"] = "APPCODE 63e68d5081144e0185139b496a999000"
	url := fmt.Sprintf("https://ali-waihui.showapi.com/waihui-transform?fromCode=%s&money=%s&toCode=%s",
		"CNY", "100", toCode)
	str, code = httpclient.DoHttp(url, "GET", "", header)
	logger.AccessLogger.Info("返回信息:", str, "http代码", code)
	return str, code
}

// https://jisuhuilv.market.alicloudapi.com/exchange/single
// curl -i -k -X GET'https://jisuhuilv.market.alicloudapi.com/exchange/single?currency=CNY'
// https://market.aliyun.com/products/57000002/cmapi010841.html?spm=5176.2020520132.101.3.2b9b72189hTyJH#sku=yuncode484100008
// -H 'Authorization:APPCODE 你自己的AppCode'
func AliyunExchangeApi() (str string, code int) {
	header := map[string]string{}
	header["Authorization"] = "APPCODE 63e68d5081144e0185139b496a999000"
	//url := "https://jisuhuilv.market.alicloudapi.com/exchange/single?currency=CNY"
	url := "https://ali-waihui.showapi.com/waihui-list?code=code"
	str, code = httpclient.DoHttp(url, "GET", "", header)
	//logger.AccessLogger.Info("返回信息:", str, "http代码", code)
	logger.AccessLogger.Info("http代码:", code, "\n", str)
	return str, code
}