package blossom

import (
	"mime"
	"net/http"
)

func setCors(w http.ResponseWriter) {
	w.Header().Set("Access-Control-Allow-Origin", "*")
	w.Header().Set("Access-Control-Allow-Headers", "Authorization")
	w.Header().Set("Access-Control-Allow-Methods", "GET PUT DELETE")
}

func blossomError(w http.ResponseWriter, msg string, code int) {
	w.Header().Add("X-Reason", msg)
	w.WriteHeader(code)
}

func getExtension(mimetype string) string {
	if mimetype == "" {
		return ""
	}

	switch mimetype {
	case "image/jpeg":
		return ".jpg"
	case "image/gif":
		return ".gif"
	case "image/png":
		return ".png"
	case "image/webp":
		return ".webp"
	case "video/mp4":
		return ".mp4"
	}

	exts, _ := mime.ExtensionsByType(mimetype)
	if len(exts) > 0 {
		return exts[0]
	}

	return ""
}