package database

import (
	"context"
	"fmt"
	"github.com/jackc/pgx/v5"
	"github.com/jackc/pgx/v5/pgconn"
	"github.com/jackc/pgx/v5/pgxpool"
	"log/slog"
	"os"
)

type Client interface {
	Exec(ctx context.Context, sql string, args ...interface{}) (pgconn.CommandTag, error)
	Query(ctx context.Context, sql string, args ...interface{}) (pgx.Rows, error)
	QueryRow(ctx context.Context, sql string, args ...interface{}) pgx.Row
	Begin(ctx context.Context) (pgx.Tx, error)
	Ping(ctx context.Context) error
}

func NewClient(ctx context.Context, connUrl string, logger *slog.Logger) (*pgxpool.Pool, error) {
	pool, err := pgxpool.New(ctx, connUrl)
	if err != nil {
		fmt.Println(fmt.Fprintf(os.Stderr, "Unable to create connection pool: %v\n", err))
		logger.Error("Unable to create connection pool: ", err)
		os.Exit(1)
	}

	return pool, nil
}