package main

import (
	"bufio"
	"fmt"
	"net/url"
	"os"
)

func main() {
	reader := bufio.NewScanner(os.Stdin)
	if !reader.Scan() {
		if reader.Err() != nil {
			fmt.Fprintf(os.Stderr, "No input detected")
			os.Exit(1)
		}
	}
	line := reader.Text()

	uri, err := url.Parse(line)
	if err != nil {
		fmt.Fprintf(os.Stderr, "failed to parse input: %s", err)
		os.Exit(1)
	}

	user := uri.User.Username()
	pw, _ := uri.User.Password()
	host := uri.Host
	db := uri.EscapedPath()

	fmt.Printf("export PGUSER=%s\n", user)
	fmt.Printf("export PGPASSWORD=%s\n", pw)
	fmt.Printf("export PGHOST=%s\n", host)
	fmt.Printf("export PGDATABASE=%s\n", db)
}