// Copyright (C) 2020 Marius Schellenberger

package server

import (
	"embed"
	"errors"
	"git.giftfish.de/ston1th/gowiki/pkg/log"
	"html/template"
	"io/fs"
)

//go:embed templates/*
var templates embed.FS

func (s *HTTPServer) loadTemplates() {
	var fatal bool
	s.templ = make(map[string]*template.Template)
	s.res = make(map[string][]byte)
	tfs, err := fs.Sub(templates, "templates")
	if err != nil {
		log.Fatal("parse: ", err)
	}
	parse := func(html ...string) (temp *template.Template) {
		var err error
		temp, err = template.ParseFS(tfs, html...)
		if err != nil {
			log.Println("parse:", err)
			fatal = true
		}
		return
	}

	// pages
	s.templ["notFoundHandler"] = parse("index.html", "menu.html", "notFound.html")
	s.templ["forbiddenHandler"] = parse("index.html", "menu.html", "forbidden.html")
	s.templ["loginHandler"] = parse("index.html", "menu.html", "login.html")
	s.templ["loginTotpHandler"] = parse("index.html", "menu.html", "loginTotp.html")
	s.templ["searchHandler"] = parse("index.html", "menu.html", "search.html")
	s.templ["pageHandler"] = parse("index.html", "menu.html", "page.html")
	s.templ["pageNewHandler"] = parse("index.html", "menu.html", "pageNew.html")
	s.templ["pageEditHandler"] = parse("index.html", "menu.html", "pageEdit.html")
	s.templ["pageViewHandler"] = parse("index.html", "menu.html", "pageView.html")
	s.templ["pageMDHandler"] = parse("index.html", "menu.html", "pageMD.html")
	s.templ["pageShareHandler"] = parse("index.html", "menu.html", "pageShare.html")
	s.templ["pageBlacklistHandler"] = parse("index.html", "menu.html", "pageBlacklist.html")
	s.templ["pageDelHandler"] = parse("index.html", "menu.html", "pageDel.html")
	// sections
	s.templ["sectionHandler"] = parse("index.html", "menu.html", "section.html")
	s.templ["sectionsHandler"] = parse("index.html", "menu.html", "sections.html")
	s.templ["sectionNewHandler"] = parse("index.html", "menu.html", "sectionNew.html")
	s.templ["sectionEditHandler"] = parse("index.html", "menu.html", "sectionEdit.html")
	s.templ["sectionDelHandler"] = parse("index.html", "menu.html", "sectionDel.html")
	// users
	s.templ["usersHandler"] = parse("index.html", "menu.html", "users.html")
	s.templ["userNewHandler"] = parse("index.html", "menu.html", "userNew.html")
	s.templ["userEditHandler"] = parse("index.html", "menu.html", "userEdit.html")
	s.templ["userDelHandler"] = parse("index.html", "menu.html", "userDel.html")
	// totp
	s.templ["userTotpHandler"] = parse("index.html", "menu.html", "userTotp.html")
	// stats
	s.templ["statsHandler"] = parse("index.html", "menu.html", "stats.html")

	if fatal {
		log.Fatal("parse: ", errors.New("parsing templates failed"))
	}
}