package handle

import (
	"WechatGateWay/api"
	"WechatGateWay/global"
	"WechatGateWay/third_part"
	"WechatGateWay/utils"
	"encoding/xml"
	"fmt"
	"log"
	"net/http"
)

// cmdExec 根据白名单命令来执行
func cmdExec(msgContent MsgContent, timestamp, nonce string, w http.ResponseWriter) (replyContent string) {
	var cmdString string
	switch msgContent.Content {
	case "last":
		cmdString = global.HistoryCmds[len(global.HistoryCmds)-1]
	case "history":
		cmdString = utils.SlicePrint(global.HistoryCmds)
	case "删除图片":
		//通过文本消息删除上一张图片
		lastImg := GetLastWechatLog(msgContent.FromUsername, "image")
		err := utils.DeleteFile(lastImg.Content)
		if err != nil {
			log.Println("删除图片失败: ", lastImg.Content)
			return
		} else {
			log.Println("图片已删除: ", lastImg.Content)
			return
		}
	case "删除文本":
		//通过文本消息删除上一条文本消息
		lastText := GetLastWechatLog(msgContent.FromUsername, "text")
		textMd5 := utils.Md5String(lastText.Content)
		go RecordWechatBlockWords(lastText.Content, textMd5, msgContent.FromUsername)
		return
	case "虚拟货币", "ETH", "eth", "BTC", "btc", "trx", "TRX", "BNB", "bnb":
		priceBTC := api.GetBinanceLatestPrice("BTCUSDT")
		priceETH := api.GetBinanceLatestPrice("ETHUSDT")
		priceTRX := api.GetBinanceLatestPrice("TRXUSDT")
		priceBNB := api.GetBinanceLatestPrice("BNBUSDT")
		replyContent = fmt.Sprintf("BTC价格: %f \nETH价格: %f \nTRX价格: %f \nBNB价格: %f", priceBTC, priceETH, priceTRX, priceBNB)
		replyImageDraw(msgContent, timestamp, nonce, w, "BTCUSDT")
		replyImageDraw(msgContent, timestamp, nonce, w, "ETHUSDT")
		replyImageDraw(msgContent, timestamp, nonce, w, "TRXUSDT")
		replyImageDraw(msgContent, timestamp, nonce, w, "BNBUSDT")
		return

	case "gold", "黄金":
		goldPrice := api.GetCMBGoldLatestPrice("AU100G")
		replyContent = fmt.Sprintf("黄金价格: %f", goldPrice)
		return
	case "ip", "百度统计":
		todayPvCount, todayVisitorCount, todayIpCount := api.GetLatestBaiduReportInfo("sre.ink")
		replyContent = fmt.Sprintf("今日百度统计: PV %d, VC %d IP %d", todayPvCount, todayVisitorCount, todayIpCount)
		return
	default:
		cmdString = msgContent.Content
	}
	global.HistoryCmds = append(global.HistoryCmds, msgContent.Content)
	replyContent, err := utils.CMDShellTrick(cmdString)
	if err != nil {
		replyContent = "/:,@!执行失败：\n" + msgContent.Content
	} else {
		replyContent = "/::D执行成功：\n" + replyContent
		//aiAnswer = "执行命令：" + msgContent.Content
	}

	return
}
func aiReply(msgContent MsgContent) (replyContent string) {
	var replyContentAi string
	if _, ok := global.EmojMap[msgContent.Content]; ok {
		//系统表情消息 取字典意思丢ai回复
		replyContentAi = third_part.AiChat(global.EmojMap[msgContent.Content])
	} else {
		//普通文本消息直接丢ai
		replyContentAi = third_part.AiChat(msgContent.Content)
	}
	//对ai结果 有表情包的上表情包
	if emoj, ok := utils.MapKey(global.EmojMap, replyContentAi); ok {
		replyContent = emoj + replyContentAi
	} else {
		replyContent = replyContentAi
	}
	return
}
func replyText(msgContent MsgContent, timestamp, nonce string, w http.ResponseWriter) {
	var replyContent string
	if global.EnableCmdExec && utils.SliceContain(global.CMDList, msgContent.Content) && msgContent.FromUsername == "QiaoYang" {
		//开启了命令执行功能，并且消息内容包含了命令
		log.Println("收到命令消息")
		replyContent = cmdExec(msgContent, timestamp, nonce, w)
	} else {
		log.Println("ai msg")
		replyContent = aiReply(msgContent)
	}

	//文本消息审核
	if WordsBlocked(utils.Md5String(replyContent)) {
		replyContent = "***(过于文明，无法显示)"
	}

	//构造回复消息
	replyMsg, _ := xml.Marshal(ReplyTextMsg{
		ToUsername:   msgContent.FromUsername,
		FromUsername: msgContent.ToUsername,
		CreateTime:   msgContent.CreateTime,
		MsgType:      "text",
		Content:      replyContent,
	})
	encryptMsg, cryptErr := global.WxCrypt.EncryptMsg(string(replyMsg), timestamp, nonce)
	if cryptErr != nil {
		log.Println("回复加密出错", cryptErr)
		return
	} else {
		log.Println(string(encryptMsg))
		l, err := w.Write(encryptMsg)
		if err != nil {
			log.Println("返回消息失败")
			return
		} else {
			go RecordWechatLog(msgContent.FromUsername, msgContent.ToUsername, msgContent.CreateTime, msgContent.MsgType, replyContent)
			log.Println("成功写入", l)
		}
	}

}