/* 
	Cockpit Navigator - A File System Browser for Cockpit.
	Copyright (C) 2021 Josh Boudreau      <jboudreau@45drives.com>
	Copyright (C) 2021 Sam Silver         <ssilver@45drives.com>
	Copyright (C) 2021 Dawson Della Valle <ddellavalle@45drives.com>

	This file is part of Cockpit Navigator.
	Cockpit Navigator is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.
	Cockpit Navigator is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.
	You should have received a copy of the GNU General Public License
	along with Cockpit Navigator.  If not, see <https://www.gnu.org/licenses/>.
 */

import { ModalPrompt } from "./components/ModalPrompt.js";
import { NavWindow } from "./components/NavWindow.js";
import { NAVIGATOR_VERSION } from "./version.js";

/**
 * 
 * @param {NavWindow} nav_window 
 */
function load_hidden_file_state(nav_window) {
	const state = localStorage.getItem('show-hidden-files') === 'true';
	const element = document.querySelector('#nav-show-hidden');

	if (state) {
		element.checked = true;
		nav_window.toggle_show_hidden({ target: element });
	}
}

/**
 * 
 * @param {NavWindow} nav_window 
 */
 function load_item_display_state(nav_window) {
	const state = localStorage.getItem('item-display');

	if (state === 'list') {
		nav_window.switch_item_display();
	}
}

function set_last_theme_state() {
	var toggle_switch = document.getElementById("toggle-theme");
	var state = localStorage.getItem("houston-theme-state");
	var icon = document.getElementById("houston-theme-icon");
	var logo = document.getElementById("logo-45d");
	if (state === "light") {
		toggle_switch.checked = false;
		document.documentElement.setAttribute("data-theme", "light");
		icon.classList.remove("fa-moon");
		icon.classList.add("fa-sun");
		logo.src = "branding/logo-light.svg";
	} else if (state === "dark") {
		toggle_switch.checked = true;
		document.documentElement.setAttribute("data-theme", "dark");
		icon.classList.remove("fa-sun");
		icon.classList.add("fa-moon");
		logo.src = "branding/logo-dark.svg";
	} else {
		toggle_switch.checked = false;
		state = "light";
		localStorage.setItem("houston-theme-state", state);
		logo.src = "branding/logo-light.svg";
	}
}

/**
 * 
 * @param {Event} e 
 */
function switch_theme(e) {
	var icon = document.getElementById("houston-theme-icon");
	var logo = document.getElementById("logo-45d");
	var state = "";
	if (e.target.checked) {
		state = "dark";
		icon.classList.remove("fa-sun");
		icon.classList.add("fa-moon");
		logo.src = "branding/logo-dark.svg";
	} else {
		state = "light";
		icon.classList.remove("fa-moon");
		icon.classList.add("fa-sun");
		logo.src = "branding/logo-light.svg";
	}
	document.documentElement.setAttribute("data-theme", state);
	localStorage.setItem("houston-theme-state", state);
}

let nav_window = new NavWindow();

function set_up_buttons() {
	document.getElementById("nav-back-btn").addEventListener("click", nav_window.back.bind(nav_window));
	document.getElementById("nav-forward-btn").addEventListener("click", nav_window.forward.bind(nav_window));
	document.getElementById("nav-up-dir-btn").addEventListener("click", nav_window.up.bind(nav_window));
	document.getElementById("nav-refresh-btn").addEventListener("click", nav_window.refresh.bind(nav_window));
	document.getElementById("nav-mkdir-btn").addEventListener("click", nav_window.mkdir.bind(nav_window));
	document.getElementById("nav-touch-btn").addEventListener("click", nav_window.touch.bind(nav_window));
	document.getElementById("nav-ln-btn").addEventListener("click", nav_window.ln.bind(nav_window, ""));
	document.getElementById("nav-delete-btn").addEventListener("click", nav_window.delete_selected.bind(nav_window));
	document.getElementById("nav-edit-properties-btn").addEventListener("click", nav_window.show_edit_selected.bind(nav_window));
	document.getElementById("nav-cancel-edit-btn").addEventListener("click", nav_window.hide_edit_selected.bind(nav_window));
	document.getElementById("nav-apply-edit-btn").addEventListener("click", nav_window.apply_edit_selected.bind(nav_window));
	var mode_checkboxes = document.getElementsByClassName("mode-checkbox");
	for (let checkbox of mode_checkboxes) {
		checkbox.addEventListener("change", nav_window.update_permissions_preview.bind(nav_window));
	}
	document.getElementById("pwd").addEventListener("input", nav_window.nav_bar_update_choices.bind(nav_window), false);
	document.getElementById("pwd").addEventListener("focus", nav_window.nav_bar_update_choices.bind(nav_window), false);
	document.getElementById("pwd").addEventListener("keydown", nav_window.nav_bar_event_handler.bind(nav_window));
	document.getElementById("toggle-theme").addEventListener("change", switch_theme, false);
	document.getElementById("nav-show-hidden").addEventListener("change", nav_window.toggle_show_hidden.bind(nav_window));
	document.getElementById("nav-item-display-btn").addEventListener("click", nav_window.switch_item_display.bind(nav_window));
	for (let option of ["name", "owner", "group", "size", "modified", "created"]) {
		var elem = document.getElementById("sort-" + option + "-btn");
		elem.addEventListener("click", (event) => {
			nav_window.sort_function.set_func(option);
			nav_window.refresh();
		});
	}
	document.getElementById("search-bar").addEventListener("input", nav_window.search_filter.bind(nav_window));
	document.getElementById("search-bar").addEventListener("keydown", (e) => {
		if (e.keyCode === 13)
			nav_window.search_filter(e);
		e.stopPropagation();
	});
	// fix tab in editor input
	document.getElementById('nav-edit-contents-textarea').addEventListener('keydown', (e) => {
		if (e.key == 'Tab') {
			e.preventDefault();
			var start = e.target.selectionStart;
			var end = e.target.selectionEnd;
			e.target.value = `${e.target.value.substring(0, start)}\t${e.target.value.substring(end)}`;
			e.target.selectionStart = e.target.selectionEnd = start + 1;
		}
	});
	document.getElementById("nav-info-btn").addEventListener("click", () => {
		new ModalPrompt().alert(
			`Cockpit Navigator ${NAVIGATOR_VERSION}`,
			`<p>` +
			`Created by <a target="_blank" href=https://www.45drives.com/?utm_source=Houston&utm_medium=UI&utm_campaign=OS-Link>45Drives</a> for Houston UI (Cockpit).<br>` +
			`<a target="_blank" href=https://github.com/45Drives/cockpit-navigator/issues>Issue Tracker</a><br>` +
			`<a target="_blank" href=https://github.com/45Drives/cockpit-navigator/discussions>Feedback</a><br>` +
			`</p>`
		);
	});
}

async function main() {
	set_last_theme_state();
	load_hidden_file_state(nav_window);
	load_item_display_state(nav_window);
	var get_users = nav_window.get_system_users();
	var get_groups = nav_window.get_system_groups();
	var refresh = nav_window.refresh();
	await get_users;
	await get_groups;
	await refresh;
	set_up_buttons();
}

main();