package urlenc

import "strings"
import "fmt"

type Pair[V any] struct {
	Name string
	Value V
}
func (a Pair[V]) String() string {
	return fmt.Sprintf("%s=%v", a.Name, a.Value)
}

type Array[V any] struct {
	Name string
	Values []V
}

func (a Array[V]) String() string {
	var b strings.Builder
	for i, v := range a.Values {
		fmt.Fprintf(&b, "%s[%d]=%v", a.Name, i, v)
		if i < len(a.Values) - 1 {
			fmt.Fprint(&b, "&")
		}
	}
	return b.String()
}

func Join(values ...any) string {
	vs := make([]string, len(values))
	for i, v := range values {
		vs[i] = fmt.Sprintf("%s", v)
	}
	return strings.Join(vs, "&")
}