package db

import (
	"context"
	"fmt"
	"time"

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

var Pool *pgxpool.Pool

func Connect(databaseURL string) error {
	config, err := pgxpool.ParseConfig(databaseURL)
	if err != nil {
		return fmt.Errorf("failed to parse database URL: %w", err)
	}

	config.MaxConns = 25
	config.MinConns = 5
	config.MaxConnLifetime = time.Hour
	config.MaxConnIdleTime = 30 * time.Minute

	Pool, err = pgxpool.NewWithConfig(context.Background(), config)
	if err != nil {
		return fmt.Errorf("failed to create pool: %w", err)
	}

	if err = Pool.Ping(context.Background()); err != nil {
		return fmt.Errorf("failed to ping database: %w", err)
	}

	return nil
}

func Close() {
	if Pool != nil {
		Pool.Close()
	}
}

func GetPool() *pgxpool.Pool {
	return Pool
}