package utils

import (
	"fmt"
	"net/url"
)

type Handler struct {
	domain string
	volume string
}

func NewHandler(domain, volume string) *Handler {
	return &Handler{
		domain: domain,
		volume: volume,
	}
}

// MerchImageVolumePath
// Returns a string like volume/merchImages/userUuid/merchUuid/filename.jpg
func (h *Handler) MerchImageVolumePath(u, m string) string {
	return fmt.Sprintf("%s/merchImages/%s/%s", h.volume, u, m)
}

func (h *Handler) FilenameFromType(imgType string) string {
	switch imgType {
	case "thumbnail":
		return "thumbnail.jpg"
	case "full":
		return "full.jpg"
	default:
		return "unknown"
	}
}

func (h *Handler) MerchImageURL(u, m, t string) string {
	base, err := url.Parse(h.domain)
	if err != nil {
		panic(fmt.Errorf("invalid domain in MerchImageURL: %w", err))
	}

	base.Path = fmt.Sprintf("/merchImages/%s/%s", url.PathEscape(u), url.PathEscape(m))

	params := url.Values{}
	params.Set("type", t)
	base.RawQuery = params.Encode()

	return base.String()
}