package db

import (
	"context"
	"database/sql"

	"code.lila.network/adoralaura/go-urlsh/internal/config"
	"code.lila.network/adoralaura/go-urlsh/models"
	"github.com/rs/zerolog"
	"github.com/uptrace/bun"
	"github.com/uptrace/bun/dialect/pgdialect"
	"github.com/uptrace/bun/driver/pgdriver"
)

func dbError(err error, logger *zerolog.Logger) {
	logger.Fatal().Str("error", err.Error()).Msg("[DB] couldn't create database")
}

func InitializeDB(cfg *config.Config, logger *zerolog.Logger) *bun.DB {
	sqldb := sql.OpenDB(pgdriver.NewConnector(pgdriver.WithDSN(cfg.DatabaseDSN)))
	db := bun.NewDB(sqldb, pgdialect.New())

	models.DB = db

	_, err := db.NewCreateTable().IfNotExists().Model((*models.Link)(nil)).Exec(context.Background())
	if err != nil {
		dbError(err, logger)
	}

	_, err = db.NewCreateTable().IfNotExists().Model((*models.User)(nil)).Exec(context.Background())
	if err != nil {
		dbError(err, logger)
	}

	_, err = db.NewCreateTable().IfNotExists().Model((*models.Session)(nil)).Exec(context.Background())
	if err != nil {
		dbError(err, logger)
	}

	_, err = db.NewCreateTable().IfNotExists().Model((*models.ApiKey)(nil)).Exec(context.Background())
	if err != nil {
		dbError(err, logger)
	}

	_, err = db.NewCreateTable().IfNotExists().Model((*models.MFALoginTransaction)(nil)).Exec(context.Background())
	if err != nil {
		dbError(err, logger)
	}

	_, err = db.NewCreateTable().IfNotExists().Model((*models.MFAConfig)(nil)).Exec(context.Background())
	if err != nil {
		dbError(err, logger)
	}

	_, err = db.NewCreateTable().IfNotExists().Model((*models.MFAScratchCode)(nil)).Exec(context.Background())
	if err != nil {
		dbError(err, logger)
	}

	err = doMigrations(db, logger)
	if err != nil {
		dbError(err, logger)
	}

	return db
}