package data

import (
	"kra/internal/conf"
	"kra/internal/data/query"

	_ "github.com/go-sql-driver/mysql"
	"github.com/google/wire"
	"gorm.io/driver/mysql"
	"gorm.io/gorm"
	"gorm.io/gorm/logger"
)

// ProviderSet is data providers.
var ProviderSet = wire.NewSet(NewDB, NewData)

// Data 数据层
type Data struct {
	DB *gorm.DB
}

// NewDB 创建数据库连接
func NewDB(c *conf.Data) (*gorm.DB, error) {
	db, err := gorm.Open(mysql.Open(c.Database.Source), &gorm.Config{
		Logger: logger.Default.LogMode(logger.Info),
	})
	if err != nil {
		return nil, err
	}
	// 初始化 gen query
	query.SetDefault(db)
	return db, nil
}

// NewData 创建 Data 实例
func NewData(db *gorm.DB) (*Data, func(), error) {
	cleanup := func() {
		sqlDB, _ := db.DB()
		if sqlDB != nil {
			sqlDB.Close()
		}
	}
	return &Data{DB: db}, cleanup, nil
}