package dao

import (
	"StuAcaWorksAI/proto"
	"fmt"
	"gorm.io/driver/mysql"
	"gorm.io/driver/postgres"
	"gorm.io/gorm"
	"gorm.io/gorm/logger"
	"log"
	"os"
	"time"
)

var DB *gorm.DB

func Init() error {
	var db *gorm.DB
	var err error
	var dsn string
	logger := logger.New(
		log.New(os.Stdout, "\r\n", log.LstdFlags), // 日志输出到标准输出
		logger.Config{
			SlowThreshold: time.Millisecond * 500, // 慢查询阈值设置为 500ms
			LogLevel:      logger.Info,            // 日志级别设置为 Info，记录慢查询信息
			Colorful:      true,                   // 启用日志颜色显示
		},
	)
	if proto.Config.DB == 0 {
		dsn = proto.Config.MYSQL_DSN
		db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{
			Logger: logger,
		})
	} else if proto.Config.DB == 1 {
		dsn = proto.Config.PG_DSN
		db, err = gorm.Open(postgres.Open(dsn), &gorm.Config{
			Logger: logger,
		})
	}

	if err != nil {
		panic("failed to connect database")
		return err
	}
	err = db.AutoMigrate(&User{})
	if err != nil {
		fmt.Println("user table:", err)
		return err
	} // 自动迁移，创建表，如果表已经存在，会自动更新表结构，不会删除表,只会创建不存在的表
	err = db.AutoMigrate(&File{})
	if err != nil {
		fmt.Println("file table:", err)
	}

	err = db.AutoMigrate(&Logger{})
	if err != nil {
		fmt.Println("logger table:", err)
		return err
	}

	err = db.AutoMigrate(&ConfigFile{})
	if err != nil {
		fmt.Println("config file table:", err)
		return err
	}

	err = db.AutoMigrate(&FileAuth{})
	if err != nil {
		fmt.Println("file auth table:", err)
		return err
	}

	err = db.AutoMigrate(&FileContent{})
	if err != nil {
		fmt.Println("file content table:", err)
		return err
	}

	err = db.AutoMigrate(&KnowledgeBase{})
	if err != nil {
		fmt.Println("knowledge base table:", err)
		return err
	}

	err = db.AutoMigrate(&Model{})
	if err != nil {
		fmt.Println("model table:", err)
		return err
	}
	err = db.AutoMigrate(&FunctionModel{})
	if err != nil {
		log.Println("function model table:", err)
		return err
	}

	err = db.AutoMigrate(&ModelToken{})
	if err != nil {
		fmt.Println("model token table:", err)
		return err
	}

	err = db.AutoMigrate(&Session{})
	if err != nil {
		fmt.Println("session table:", err)
		return err
	}

	err = db.AutoMigrate(&Message{})
	if err != nil {
		fmt.Println("message table:", err)
		return err
	}

	err = db.AutoMigrate(&ThirdPartyUserInfo{})
	if err != nil {
		fmt.Println("third party user info table:", err)
		return err
	}

	err = db.AutoMigrate(&AIStreamMsg{})
	if err != nil {
		fmt.Println("ai stream message table:", err)
		return err
	}
	DB = db
	return err
}

func Close() {
	sqlDB, err := DB.DB()
	if err != nil {
		panic("failed to connect database")
	}
	sqlDB.Close()
}