package db

import (
	"context"
	"fmt"

	"github.com/jackc/pgx/v5/pgxpool"
)

type Store interface {
	Querier
	GetTopListLocations(ctx context.Context, arg GetTopListLocationsParams) ([]GetTopListLocationsRow, error)
	GetImagesByLocation(ctx context.Context, arg GetImagesByLocationParams) ([]GetImagesByLocationRow, error)
	GetLocation(ctx context.Context, location_id int32) (GetLocationRow, error)
	GetUser(ctx context.Context, username string) (GetUserRow, error)
	UpdateUser(ctx context.Context, arg UpdateUserParams) (UpdateUserRow, error)
	GetUserStats(ctx context.Context, user_id int32) (GetUserStatsRow, error)
	CreateReview(ctx context.Context, arg CreateReviewParams) (Review, error)
	GetListLocationReviews(ctx context.Context, arg GetListLocationReviewsParams) ([]GetListLocationReviewsRow, error)
	CreateLocation(ctx context.Context, arg CreateLocationParams) (int32, error)
	CreateImage(ctx context.Context, arg []CreateImageParams) error
	CreateLocationTx(ctx context.Context, arg CreateLocationTxParams) error
	GetNewsEventsList(ctx context.Context, arg GetNewsEventsListParams) ([]NewsEventRow, error)
	GetListRecentLocationsWithRatings(ctx context.Context, arg GetListRecentLocationsParams) ([]GetListRecentLocationsWithRatingsRow, error)
}

type SQLStore struct {
	*Queries
	pool *pgxpool.Pool
}

func NewStore(pool *pgxpool.Pool) Store {
	return &SQLStore{
		pool:    pool,
		Queries: New(pool),
	}
}

// TRANSACTION QUERY FUNCTION
func (store *SQLStore) execTx(ctx context.Context, fn func(*Queries) error) error {
	tx, err := store.pool.Begin(ctx)
	if err != nil {
		return err
	}

	q := New(tx)
	err = fn(q)
	if err != nil {
		if rbErr := tx.Rollback(ctx); rbErr != nil {
			return fmt.Errorf("tx err: %v, rb err : %v", err, rbErr)
		}
		return err
	}
	return tx.Commit(ctx)
}