package models

import (
	"errors"
	"fmt"
	"log/slog"
)

import (
	"gorm.io/driver/postgres"
	"gorm.io/gorm"
)

import (
	"auth-server/common"
	"auth-server/logger"
)

var (
	DB  *gorm.DB
	err error
)

func panicHelper(err error) {
	if err != nil {
		panic(err)
	}
}

func migrate(db *gorm.DB) {
	panicHelper(db.AutoMigrate(&User{}))
	var user User
	err := db.First(&user).Error
	if errors.Is(err, gorm.ErrRecordNotFound) {
		newAdmin := User{Name: "admin"}
		panicHelper(newAdmin.GenerateFromPassword([]byte("123456")))
		db.Create(&newAdmin)
	}
}

func SetupGorm(m bool) {
	slog.Info("setup gorm")

	dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%d sslmode=disable TimeZone=Asia/Shanghai",
		common.PostgresConfig.Ip,
		common.PostgresConfig.Username,
		common.PostgresConfig.Password,
		common.PostgresConfig.Name,
		common.PostgresConfig.Port,
	)
	if m {
		db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
		panicHelper(err)

		migrate(db)

		sqlDB, err := db.DB()
		panicHelper(err)
		panicHelper(sqlDB.Close())
	}
	if common.LoggerConfig.LogLevel == "debug" {
		DB, err = gorm.Open(postgres.Open(dsn), &gorm.Config{
			Logger: logger.NewGormLogger(logger.WithGroup("gorm")),
		})
	} else {
		DB, err = gorm.Open(postgres.Open(dsn), &gorm.Config{})
	}
	panicHelper(err)
	slog.Info("setup gorm ok")
}