package main

import (
	"context"
	"fmt"
	"os"

	"5803025029/w04/internal/config"
	"5803025029/w04/internal/database"

)

func main() {
	if err := config.LoadEnv(); err != nil {
		fmt.Fprintf(os.Stderr, "Unable to load env: %v\n", err)
		os.Exit(1)
	}

	conn, err := database.Connect()
	if err != nil {
		fmt.Fprintf(os.Stderr, "Unable to connect to database: %v\n", err)
		os.Exit(1)
	}
	defer conn.Close(context.Background())

	var name string
	var weight int64
	err = conn.QueryRow(context.Background(), "select name, weight from widgets where id=$1", 42).Scan(&name, &weight)
	if err != nil {
		fmt.Fprintf(os.Stderr, "QueryRow failed: %v\n", err)
		os.Exit(1)
	}

	fmt.Println(name, weight)
}