package api

import (
	"WechatGateWay/global"
	"github.com/jinzhu/gorm"
	"log"
)

/*
*
@author: sre
@date: 2022/9/12 0012
@desc: todo
*
*/
type BinancePrice struct {
	gorm.Model
	Symbol string
	Price  float64
}

func GetBinanceLatestPrice(symbol string) float64 {
	var binancePrice BinancePrice
	global.DB.Where("symbol = ?", symbol).Last(&binancePrice)
	return binancePrice.Price
}

func GetBinanceLatestPrices(symbol string) []BinancePrice {
	var binancePrices []BinancePrice
	//global.DB.Where("symbol = ? ", symbol).Find(&binancePrices)
	global.DB.Where("symbol = ? ", symbol).Order("id desc").Limit(1000).Find(&binancePrices)
	//global.DB.Where("symbol = ? order by id desc", symbol).Limit(30).Find(&binancePrices)
	reverseSlice := func(in []BinancePrice) []BinancePrice {
		out := make([]BinancePrice, len(in))
		for i := range in {
			out[i] = in[len(in)-1-i]
		}
		return out
	}
	return reverseSlice(binancePrices)

}

func GetSerivers(symbol string) (timeUpdate []string, symbolPrice []float64) {
	binancePrices := GetBinanceLatestPrices(symbol)
	log.Println("binancePrices: ", len(binancePrices))
	for _, binancePrice := range binancePrices {
		timeUpdate = append(timeUpdate, binancePrice.UpdatedAt.Format("2006-01-02 15:04:05"))
		symbolPrice = append(symbolPrice, binancePrice.Price)
	}
	return
}