package main

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

func main() {
	s := "mysql://user:pass@host.com:3306/path?key=value#fragment"

	u, err := url.Parse(s)

	if err != nil {
		panic(err)
	}

	fmt.Println("Scheme: " + u.Scheme)

	fmt.Println("Username: " + u.User.Username())
	p, _ := u.User.Password()
	fmt.Println("Password: " + p)

	fmt.Println("Host with port: " + u.Host)

	host, port, err := net.SplitHostPort(u.Host)

	if err != nil {
		panic(err)
	}

	fmt.Println("Host: " + host)
	fmt.Println("Port: " + port)

	fmt.Println("Path: " + u.Path)
	fmt.Println("Fragment: " + u.Fragment)

	fmt.Println("Raw query: " + u.RawQuery)

	m, err := url.ParseQuery(u.RawQuery)

	if err != nil {
		panic(err)
	}

	fmt.Println("Value: " + m["key"][0])
}

// $ go run main.go 
// Scheme: mysql
// Username: user
// Password: pass
// Host with port: host.com:3306
// Host: host.com
// Port: 3306
// Path: /path
// Fragment: fragment
// Raw query: key=value
// Value: value