package api

import (
	"encoding/json"

	"srs.epita.fr/fic-server/libfic"

	"github.com/julienschmidt/httprouter"
)

func init() {
	router.GET("/api/files/", apiHandler(listFiles))
	router.DELETE("/api/files/", apiHandler(clearFiles))

	router.GET("/api/files/:fileid", apiHandler(fileHandler(showFile)))
	router.PUT("/api/files/:fileid", apiHandler(fileHandler(updateFile)))
	router.DELETE("/api/files/:fileid", apiHandler(fileHandler(deleteFile)))
}

func listFiles(_ httprouter.Params, body []byte) (interface{}, error) {
	// List all files
	return fic.GetFiles()
}

func clearFiles(_ httprouter.Params, _ []byte) (interface{}, error) {
	return fic.ClearFiles()
}

func showFile(file fic.EFile, _ []byte) (interface{}, error) {
	return file, nil
}

func updateFile(file fic.EFile, body []byte) (interface{}, error) {
	var uf fic.EFile
	if err := json.Unmarshal(body, &uf); err != nil {
		return nil, err
	}

	uf.Id = file.Id

	if _, err := uf.Update(); err != nil {
		return nil, err
	} else {
		return uf, nil
	}
}

func deleteFile(file fic.EFile, _ []byte) (interface{}, error) {
	return file.Delete()
}