package main

import (
	"database/sql"
	"go-bot/config"
	"go-bot/utils"
	"net"
	"net/http"
	"strings"
	"time"

	"github.com/gin-gonic/gin"
	_ "github.com/mattn/go-sqlite3"
	"github.com/sirupsen/logrus"
)

type App struct {
	DB     *sql.DB
	Logger *logrus.Logger
}

func NewApp() (*App, error) {
	db, err := sql.Open("sqlite3", "./data.db")
	if err != nil {
		return nil, err
	}

	logger := logrus.New()

	return &App{
		DB:     db,
		Logger: logger,
	}, nil
}

func (app *App) initDB() error {

	_, err := app.DB.Exec(`CREATE TABLE IF NOT EXISTS messages (
		id INTEGER PRIMARY KEY AUTOINCREMENT,
		post_type TEXT,
		message_type TEXT,
		time DATETIME,
		group_id INTEGER,
		message_id INTEGER UNIQUE NOT NULL,
		raw_message TEXT,
		sender_user_id INTEGER,
		sender_nickname TEXT,
		sender_card TEXT,
		sender_role TEXT,
		message_seq INTEGER
	)`)
	return err
}

func (app *App) insertMessage(data map[string]interface{}) error {
	if data["post_type"] == "message" || data["post_type"] == "message_sent" {
		post_type := data["post_type"].(string)
		message_type := data["message_type"].(string)
		loc, err := time.LoadLocation("Asia/Shanghai")
		if err != nil {
			return err
		}
		message_time := (time.Unix(int64(data["time"].(float64)), 0).In(loc)).Format("2006-01-02 15:04:05")
		group_id := data["group_id"].(float64)
		message_id := data["message_id"].(float64)
		raw_message := data["raw_message"].(string)
		sender := data["sender"].(map[string]interface{})
		sender_user_id := sender["user_id"].(float64)
		sender_nickname := sender["nickname"].(string)
		sender_card := sender["card"].(string)
		if sender_card == "" {
			sender_card = sender_nickname
		}
		sender_role := sender["role"].(string)
		message_seq := data["message_seq"].(float64)

		app.Logger.Infof("消息类型：%s 发送时间：%s 群号：%d 消息id：%d 原始消息：%s 发送者id：%d 发送者昵称：%s 发送者名片：%s 发送者角色：%s 消息序列：%d",
			post_type, message_time, int64(group_id), int64(message_id), raw_message, int64(sender_user_id), sender_nickname, sender_card, sender_role, int64(message_seq))

		_, err = app.DB.Exec("INSERT INTO messages (post_type, message_type, time, group_id, message_id, raw_message, sender_user_id, sender_nickname, sender_card, sender_role, message_seq) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
			post_type, message_type, message_time, group_id, message_id, raw_message, sender_user_id, sender_nickname, sender_card, sender_role, message_seq)

		if err != nil {
			return err
		}
	}
	return nil
}

// handlePost 处理 POST 请求
func handlePost(c *gin.Context, app *App) {
	var data map[string]interface{}
	err := c.BindJSON(&data)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": gin.H{
			"message": "Request must be proper JSON",
			"type":    "invalid_request_error",
			"param":   nil,
			"code":    err.Error(),
		}})
		return
	}

	// 插入数据
	err = app.insertMessage(data)
	if err != nil {
		app.Logger.Error("Failed to insert message: ", err)
		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to insert message"})
		return
	}

	// 调用路由处理函数
	if data["post_type"] == "message" || data["post_type"] == "message_sent" {
		utils.Router(data)
		// c.JSON(http.StatusOK, gin.H{"message": data})
	}
}

func main() {
	// 使用自定义 Logger 处理 App 初始化中的错误
	app, err := NewApp()
	if err != nil {
		logrus.Fatalf("Failed to initialize app: %v", err)
	}
	cfg := config.GetConfig()
	APIURL, ok := cfg["APIURL"].(string)
	if !ok {
		logrus.Fatalf("加载配置失败！")
	}

	// 在 App 初始化后统一使用 app.Logger
	if err := app.initDB(); err != nil {
		app.Logger.Fatalf("Failed to initialize database: %v", err)
	}

	gin.SetMode(gin.ReleaseMode)
	r := gin.Default()
	r.POST("/", func(c *gin.Context) {
		handlePost(c, app)
	})

	app.Logger.Infof("Server listening on %s...", APIURL)
	if err := r.Run(APIURL); err != nil {
		if opError, ok := err.(*net.OpError); ok && opError.Op == "listen" {
			app.Logger.Fatal("服务器启动失败：端口被占用。")
		} else if strings.Contains(err.Error(), "address already in use") {
			app.Logger.Fatal("服务器启动失败：端口被占用。")
		} else {
			app.Logger.Fatal("服务器启动失败：", err)
		}
	}
}