package web

import (
	"fmt"
	"net/http"

	"github.com/labstack/echo/v4"
	"gitnet.fr/deblan/mu-go/internal/api"
	"gitnet.fr/deblan/mu-go/internal/fs"
)

func Stream(e echo.Context, directory, url string) error {
	files, err := fs.DirectoryFiles(directory, url)
	path := e.QueryParam("path")

	if err != nil {
		return e.JSON(http.StatusInternalServerError, api.ApiError{Error: fmt.Sprintf("%s", err)})
	}

	if path == "" {
		return e.JSON(http.StatusBadRequest, api.ApiError{Error: "\"path\" query param is missing"})
	}

	for _, file := range files {
		if file.RelativePath == path {
			e.Response().Header().Del("Content-Length")
			http.ServeFile(e.Response(), e.Request(), file.Path)
		}
	}

	return e.JSON(http.StatusNotFound, api.ApiError{Error: "file not found"})
}