package telegram

import (
	"app/commons/core"
	"encoding/json"
	"fmt"
	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
	"io"
	"net/http"
	"strings"
)

// handleCallbackQuery 处理回调查询
func handleCallbackQuery(callback *tgbotapi.CallbackQuery) {
	data := callback.Data

	// 处理抢红包
	if strings.HasPrefix(data, "grab_") {
		packetNo := strings.TrimPrefix(data, "grab_")
		grabRedPacket(callback, packetNo)
		return
	}

	// 其他回调
	answerCallback(callback.ID, "未知操作")
}

// grabRedPacket 抢红包
func grabRedPacket(callback *tgbotapi.CallbackQuery, packetNo string) {
	// TODO: 检查用户是否已绑定
	// TODO: 调用 API 抢红包

	// 临时实现
	userID := callback.From.ID
	username := callback.From.UserName

	// 模拟调用 API
	success, amount, message := callGrabRedPacketAPI(packetNo, userID, username)

	if success {
		// 抢到红包
		answerCallback(callback.ID, fmt.Sprintf("🎉 恭喜抢到 %.2f VND！", amount))

		// 更新原消息
		editText := fmt.Sprintf("%s\n\n✅ @%s 抢到了 %.2f VND",
			callback.Message.Text, username, amount)
		editMessage(callback.Message.Chat.ID, callback.Message.MessageID, editText)
	} else {
		// 抢红包失败
		answerCallback(callback.ID, message)
	}

	core.Log.Infof("抢红包 - 用户: %s, 红包: %s, 结果: %s",
		username, packetNo, message)
}

// callGrabRedPacketAPI 调用抢红包 API（模拟）
func callGrabRedPacketAPI(packetNo string, telegramID int64, username string) (bool, float64, string) {
	// TODO: 实现真实的 API 调用
	// 这里是模拟实现

	apiURL := "http://localhost:2001/api/v1/redpacket/grab"

	payload := map[string]interface{}{
		"packetNo":         packetNo,
		"telegramId":       telegramID,
		"telegramUsername": username,
	}

	jsonData, _ := json.Marshal(payload)

	req, err := http.NewRequest("POST", apiURL, strings.NewReader(string(jsonData)))
	if err != nil {
		return false, 0, "系统错误"
	}

	req.Header.Set("Content-Type", "application/json")
	// TODO: 添加 JWT Token
	// req.Header.Set("Authorization", "Bearer "+token)

	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		return false, 0, "网络错误"
	}
	defer resp.Body.Close()

	body, _ := io.ReadAll(resp.Body)

	var result map[string]interface{}
	json.Unmarshal(body, &result)

	if resp.StatusCode == 200 {
		data := result["data"].(map[string]interface{})
		amount := data["amount"].(float64)
		return true, amount, "抢红包成功"
	}

	message := result["message"].(string)
	return false, 0, message
}