package ui

import (
	"html/template"
	"log"
	"net/http"

	"streifling.com/jason/cpolis/cmd/data"
	"streifling.com/jason/cpolis/cmd/feed"
)

func HandleLogin(db *data.DB) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		user := r.PostFormValue("username")
		pass := r.PostFormValue("password")

		id, err := db.GetID(user)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			// TODO: und nun?
		}

		if err := db.CheckPassword(id, pass); err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
		} else {
			template.Must(template.ParseFiles("web/templates/editor.html")).ExecuteTemplate(w, "page-content", nil)
		}
	}
}

func HandleFinishedEdit(f *feed.Feed) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		title := r.PostFormValue("editor-title")
		desc := r.PostFormValue("editor-desc")
		mdContent := r.PostFormValue("editor-text")

		content, err := data.ConvertToHTML(mdContent)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			log.Panicln(err)
		}

		feed.AddToFeed(f, title, desc, content)
		feed.SaveFeed(f, "tmp/rss.gob")
		// template.Must(template.ParseFiles("web/templates/editor.html")).ExecuteTemplate(w, "html-result", rssItem)
	}
}

func HandleAddUser(db *data.DB) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		var writer, editor, admin bool

		user := r.PostFormValue("username")
		pass := r.PostFormValue("password")
		pass2 := r.PostFormValue("password2")
		first := r.PostFormValue("first-name")
		last := r.PostFormValue("last-name")
		role := r.PostFormValue("role")

		_, _, ok := checkUserStrings(user, first, last)
		if !ok {
			template.Must(template.ParseFiles("web/templates/add-user.html")).Execute(w, nil)
		}
		if pass != pass2 {
			template.Must(template.ParseFiles("web/templates/add-user.html")).Execute(w, nil)
		}
		switch role {
		case "writer":
			writer = true
			editor = false
			admin = false
		case "editor":
			writer = false
			editor = true
			admin = false
		case "admin":
			writer = false
			editor = false
			admin = true
		default:
			template.Must(template.ParseFiles("web/templates/add-user.html")).Execute(w, nil)
		}

		db.AddUser(user, pass, first, last, writer, editor, admin)
		template.Must(template.ParseFiles("web/templates/editor.html")).Execute(w, nil)
	}
}