package router

import (
	"html/template"
	"path/filepath"
)

var TemplateDir = "templates"

var homeTemplate, searchTemplate, faqTemplate, uploadTemplate, viewTemplate, viewRegisterTemplate, viewLoginTemplate, viewRegisterSuccessTemplate, viewVerifySuccessTemplate, viewProfileTemplate, viewProfileEditTemplate, viewUserDeleteTemplate, notFoundTemplate, changeLanguageTemplate *template.Template

var panelIndex, panelTorrentList, panelUserList, panelCommentList, panelTorrentEd, panelTorrentReportList, panelTorrentReassign *template.Template

type templateLoader struct {
	templ     **template.Template
	file      string
	indexFile string
	name      string
}

// ReloadTemplates reloads templates on runtime
func ReloadTemplates() {
	pubTempls := []templateLoader{
		templateLoader{
			templ: &homeTemplate,
			name:  "home",
			file:  "home.html",
		},
		templateLoader{
			templ: &searchTemplate,
			name:  "search",
			file:  "home.html",
		},
		templateLoader{
			templ: &uploadTemplate,
			name:  "upload",
			file:  "upload.html",
		},
		templateLoader{
			templ: &faqTemplate,
			name:  "FAQ",
			file:  "FAQ.html",
		},
		templateLoader{
			templ: &viewTemplate,
			name:  "view",
			file:  "view.html",
		},
		templateLoader{
			templ: &viewRegisterTemplate,
			name:  "user_register",
			file:  filepath.Join("user", "register.html"),
		},
		templateLoader{
			templ: &viewRegisterSuccessTemplate,
			name:  "user_register_success",
			file:  filepath.Join("user", "signup_success.html"),
		},
		templateLoader{
			templ: &viewVerifySuccessTemplate,
			name:  "user_verify_success",
			file:  filepath.Join("user", "verify_success.html"),
		},
		templateLoader{
			templ: &viewLoginTemplate,
			name:  "user_login",
			file:  filepath.Join("user", "login.html"),
		},
		templateLoader{
			templ: &viewProfileTemplate,
			name:  "user_profile",
			file:  filepath.Join("user", "profile.html"),
		},
		templateLoader{
			templ: &viewProfileEditTemplate,
			name:  "user_profile",
			file:  filepath.Join("user", "profile_edit.html"),
		},
		templateLoader{
			templ: &viewUserDeleteTemplate,
			name:  "user_delete",
			file:  filepath.Join("user", "delete_success.html"),
		},
		templateLoader{
			templ: &notFoundTemplate,
			name:  "404",
			file:  "404.html",
		},
		templateLoader{
			templ: &changeLanguageTemplate,
			name: "change_language",
			file: "change_language.html",
		},
	}
	for idx := range pubTempls {
		pubTempls[idx].indexFile = filepath.Join(TemplateDir, "index.html")
	}

	modTempls := []templateLoader{
		templateLoader{
			templ: &panelTorrentList,
			name:  "torrentlist",
			file:  filepath.Join("admin", "torrentlist.html"),
		},
		templateLoader{
			templ: &panelUserList,
			name:  "userlist",
			file:  filepath.Join("admin", "userlist.html"),
		},
		templateLoader{
			templ: &panelCommentList,
			name:  "commentlist",
			file:  filepath.Join("admin", "commentlist.html"),
		},
		templateLoader{
			templ: &panelIndex,
			name:  "indexPanel",
			file:  filepath.Join("admin", "panelindex.html"),
		},
		templateLoader{
			templ: &panelTorrentEd,
			name:  "torrent_ed",
			file:  filepath.Join("admin", "paneltorrentedit.html"),
		},
		templateLoader{
			templ: &panelTorrentReportList,
			name:  "torrent_report",
			file:  filepath.Join("admin", "torrent_report.html"),
		},
		templateLoader{
			templ: &panelTorrentReassign,
			name:  "torrent_reassign",
			file:  filepath.Join("admin", "reassign.html"),
		},
	}

	for idx := range modTempls {
		modTempls[idx].indexFile = filepath.Join(TemplateDir, "admin_index.html")
	}

	templs := make([]templateLoader, 0, len(modTempls)+len(pubTempls))

	templs = append(templs, pubTempls...)
	templs = append(templs, modTempls...)

	for _, templ := range templs {
		t := template.Must(template.New(templ.name).Funcs(FuncMap).ParseFiles(templ.indexFile, filepath.Join(TemplateDir, templ.file)))
		t = template.Must(t.ParseGlob(filepath.Join(TemplateDir, "_*.html")))
		*templ.templ = t
	}

}