package routes

import (
	"fmt"
	"log"
	"net/http"
	"strings"
	"time"

	"git.1e99.eu/1e99/wolbodge/sessions"
)

func APIStartSession(logger *log.Logger, storage sessions.Storage) http.HandlerFunc {
	return func(res http.ResponseWriter, req *http.Request) {
		err := req.ParseMultipartForm(10 * 1024)
		if err != nil {
			http.Error(res, "", http.StatusBadRequest)
			return
		}

		description := req.FormValue("description")
		if strings.TrimSpace(description) == "" {
			description = "description"
		}

		session, err := storage.StartSession(description, time.Now())
		if err != nil {
			http.Error(res, "", http.StatusInternalServerError)
			return
		}

		fmt.Fprintf(res, "%s", session.Id)
		logger.Printf("Started new session for %s via API (id = %s, description = \"%s\")", req.RemoteAddr, session.Id, session.Description)
	}
}

func APIEndSession(logger *log.Logger, storage sessions.Storage) http.HandlerFunc {
	return func(res http.ResponseWriter, req *http.Request) {
		sessionId := req.PathValue("session_id")

		err := storage.EndSession(sessionId)
		switch {
		case err == sessions.ErrUnknownSession:
			http.Error(res, "", http.StatusNotFound)
			return
		case err != nil:
			http.Error(res, "", http.StatusInternalServerError)
			return
		}

		logger.Printf("Ended session for %s via API (id = %s)", req.RemoteAddr, sessionId)
	}
}