package api

import (
	"log"
	"os"
	"time"

	"gitlab.celogeek.com/photos/api/internal/photos/models"
	"gorm.io/driver/mysql"
	"gorm.io/gorm"
	"gorm.io/gorm/logger"
)

func (s *Service) Migrate() {
	tx := s.DB.Set("gorm:table_options", "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin")
	tx.AutoMigrate(&models.Account{})
	tx.AutoMigrate(&models.Session{})
	tx.AutoMigrate(&models.File{})
	tx.AutoMigrate(&models.FileChunk{})
}

func (s *Service) DBConfig() {
	s.Config.DB.Params = map[string]string{
		"charset": "utf8mb4",
	}
	s.Config.DB.Collation = "utf8mb4_bin"
	s.Config.DB.ParseTime = true
	s.Config.DB.Loc = time.UTC
	s.Config.DB.Net = "tcp"
	s.Config.DB.InterpolateParams = true

	mysql.CreateClauses = []string{"INSERT", "VALUES", "ON CONFLICT", "RETURNING"}
}

func (s *Service) DBConnect() {
	db, err := gorm.Open(mysql.Open(s.Config.DB.FormatDSN()), &gorm.Config{
		Logger: logger.New(
			log.New(os.Stdout, "\r\n", log.LstdFlags), // io writer
			logger.Config{
				SlowThreshold:             time.Second,  // Slow SQL threshold
				LogLevel:                  logger.Error, // Log level
				IgnoreRecordNotFoundError: true,         // Ignore ErrRecordNotFound error for logger
				Colorful:                  true,         // Disable color
			},
		),
		SkipDefaultTransaction: true,
		PrepareStmt:            true,
	})

	if err != nil {
		s.LogErr.Fatal("DB", err)
	}

	s.DB = db
}

func (s *Service) SetupDB() {
	s.DBConfig()
	s.DBConnect()
	s.Migrate()
}