package main

import (
	"errors"
	"local/router"
	"net/http"
	"strings"
)

type Server struct {
	router *router.Router
}

func NewServer() *Server {
	return &Server{
		router: router.New(),
	}
}

func (server *Server) Routes() error {
	wildcard := func(s string) string {
		return strings.TrimSuffix(s, "/") + "/" + router.Wildcard
	}
	wildcards := func(s string) string {
		return wildcard(wildcard(s))
	}
	_ = wildcards
	for path, handler := range map[string]func(http.ResponseWriter, *http.Request) error{
		"/api/v0/tree":             server.apiV0TreeHandler,
		"/api/v0/media":            server.apiV0MediaHandler,
		wildcard("/api/v0/media"):  server.apiV0MediaIDHandler,
		"/api/v0/files":            server.apiV0FilesHandler,
		wildcard("/api/v0/files/"): server.apiV0FilesIDHandler,
		"/api/v0/search":           server.apiV0SearchHandler,
	} {
		if err := server.router.Add(path, server.tryCatchHttpHandler(handler)); err != nil {
			return err
		}
	}
	return nil
}

func (server *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	server.router.ServeHTTP(w, r)
}

func (server *Server) tryCatchHttpHandler(handler func(http.ResponseWriter, *http.Request) error) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		if err := handler(w, r); err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
		}
	}
}

func (server *Server) apiV0TreeHandler(w http.ResponseWriter, r *http.Request) error {
	return errors.New("not impl" + r.URL.Path)
}

func (server *Server) apiV0MediaHandler(w http.ResponseWriter, r *http.Request) error {
	return errors.New("not impl" + r.URL.Path)
}

func (server *Server) apiV0MediaIDHandler(w http.ResponseWriter, r *http.Request) error {
	return errors.New("not impl" + r.URL.Path)
}

func (server *Server) apiV0FilesHandler(w http.ResponseWriter, r *http.Request) error {
	return errors.New("not impl" + r.URL.Path)
}

func (server *Server) apiV0FilesIDHandler(w http.ResponseWriter, r *http.Request) error {
	return errors.New("not impl" + r.URL.Path)
}

func (server *Server) apiV0SearchHandler(w http.ResponseWriter, r *http.Request) error {
	return errors.New("not impl" + r.URL.Path)
}