(function() {
	'use strict';

	// AJ Query
	var $ = window.$;
	var $$ = window.$$;

	var state = {};

	var $grantTpl;
	var $devTpl;
	var $updateTpl;
	var $headerTpl;
	var $webhookTpl;
	var $webhookHeaderTpl;

	// TODO add offset based on date selected (i.e. MDT -0500)
	var tzdb = [
		'America/New_York',
		'America/Chicago',
		'America/Denver',
		'America/Phoenix',
		'America/Los_Angeles',
		'America/Sao_Paulo',
		'Europe/London',
		'Europe/Berlin',
		'Europe/Moscow',
		'Asia/Dubai',
		'Asia/Kolkata',
		'Asia/Hong_Kong',
		'Asia/Tokyo',
		'Pacific/Auckland',
		'Australia/Sydney'
	];

	function run() {
		$headerTpl = $('.js-new-webhook .js-header').outerHTML;

		$webhookHeaderTpl = $('.js-schedule .js-webhook .js-header').outerHTML;
		$('.js-schedule .js-webhooks .js-headers').innerHTML = '';
		$webhookTpl = $('.js-schedule .js-webhook').outerHTML;
		$('.js-schedule .js-webhooks').innerHTML = '';

		// after blanking all inner templates
		$devTpl = $('.js-schedule').outerHTML;

		console.log('hello');

		$('body').addEventListener('click', function(ev) {
			if (ev.target.matches('.js-new-header')) {
				newWebhookHeader(ev.target);
			} else if (ev.target.matches('.js-rm-header')) {
				rmWebhookHeader(ev.target);
			} else if (
				ev.target.matches('.js-delete') &&
				ev.target.closest('.js-grant')
			) {
				deleteGrant(ev.target.closest('.js-grant'));
			} else if (
				ev.target.matches('.js-delete') &&
				ev.target.closest('.js-webhook')
			) {
				deleteWebhook(ev.target.closest('.js-webhook'));
			} else {
				return;
			}
			ev.preventDefault();
			ev.stopPropagation();
		});

		$('body').addEventListener('submit', function(ev) {
			if (ev.target.matches('.js-new-schedule')) {
				newSchedule(ev.target);
			} else {
				return;
			}
			ev.preventDefault();
			ev.stopPropagation();
		});
	}

	function newSchedule() {
		var $hook = $('.js-new-webhook');
		var deviceId = $hook.closest('.js-schedule').querySelector('.js-id').value;
		var hook = {
			comment: $('.js-comment', $hook).value,
			method: $('.js-method', $hook).value,
			url: $('.js-url', $hook).value,
			headers: {}
		};
		$$('.js-header', $hook).forEach(function($head) {
			var key = $('.js-key', $head).value;
			var val = $('.js-value', $head).value;
			if (key && val) {
				hook.headers[key] = val;
			}
		});
		hook.body = $('.js-body-template', $hook).value;
		// TODO update on template change and show preview

		var opts = {
			method: 'POST',
			headers: {
				Accept: 'application/json',
				Authorization: JSON.parse(localStorage.getItem('session')).access_token,
				'Content-Type': 'application/json'
			},
			body: JSON.stringify(hook),
			cors: true
		};

		/*
                state.account.devices
                        .filter(function(d) {
                                return d.accessToken == deviceId;
                        })[0]
                        .webhooks.push(hook);

                displayAccount(state.account);
                return;
    */

		window
			.fetch('/api/iot/devices/' + deviceId + '/webhooks', opts)
			.then(function(resp) {
				return resp
					.json()
					.then(function(data) {
						if (!data.webhook) {
							throw new Error('something bad happened');
							return;
						}

						state.account.devices
							.filter(function(d) {
								return d.accessToken == deviceId;
							})[0]
							.webhooks.push(resp.data.webhook);

						displayAccount(state.account);
					})
					.catch(function(e) {
						window.alert(e.message);
					});
			});
	}

	function newWebhookHeader($newHeader) {
		var $hs = $newHeader.closest('.js-headers');
		var $h = $newHeader.closest('.js-header');
		var $div = document.createElement('div');
		$div.innerHTML = $headerTpl;
		$hs.append($('.js-header', $div));
		$newHeader.hidden = true;
		$('.js-rm-header', $h).hidden = false;
		$('.js-key', $h).required = 'required';
		$('.js-value', $h).required = 'required';
	}

	function rmWebhookHeader($rmHeader) {
		var $h = $rmHeader.closest('.js-header');
		$h.parentElement.removeChild($h);
	}
	function deleteWebhook($hook) {
		var deviceId = $hook.closest('.js-schedule').querySelector('.js-id').value;
		var id = $('.js-id', $hook).innerText;
		var opts = {
			method: 'DELETE',
			headers: {
				Accept: 'application/json',
				Authorization: JSON.parse(localStorage.getItem('session')).access_token
			},
			cors: true
		};
		window
			.fetch('/api/iot/devices/' + deviceId + '/webhooks/' + id, opts)
			.then(function(resp) {
				return resp.json().then(function(result) {
					if (!result.webhook) {
						console.error(result);
						window.alert('something went wrong: ' + JSON.stringify(result));
						return;
					}
					var index = -1;
					var dev = state.account.devices.filter(function(d, i) {
						return d.accessToken == deviceId;
					})[0];
					dev.webhooks.some(function(g, i) {
						if (g.id === id) {
							index = i;
							return true;
						}
					});
					if (index > -1) {
						dev.webhooks.splice(index, 1);
						displayAccount(state.account);
					}
				});
			});
	}

	function displayAccount(data) {
		state.account = data;
		console.log('[debug] Display Account:');
		console.log(data);
		var $devs = $('.js-schedules');
		$devs.innerHTML = '';
		data.devices.forEach(function(d) {
			var $dev = $.create($devTpl);
			$('.js-ieme', $dev).innerText = d.id;
			$('.js-id', $dev).value = d.accessToken;
			$('.js-update-url', $dev).innerText = d.updateUrl;
			d.webhooks.forEach(function(h) {
				var $hook = $.create($webhookTpl);
				$('.js-id', $hook).innerText = h.id;
				$('.js-comment', $hook).innerText = h.comment;
				$('.js-method', $hook).innerText = h.method;
				$('.js-url', $hook).innerText = h.url;
				Object.keys(h.headers).forEach(function(k) {
					var $header = $.create($webhookHeaderTpl);
					var v = h.headers[k];
					$('.js-key', $header).innerText = k;
					$('.js-value', $header).innerText = v;
					$('.js-headers', $hook).innerHTML += $header.innerHTML;
				});
				$('.js-body-template', $hook).innerText = h.body;
				$('.js-webhooks', $dev).innerHTML += $hook.innerHTML;
			});
			d.grants.forEach(function(g) {
				var $grant = $.create($grantTpl);
				$('.js-id', $grant).innerText = g.id;
				$('.js-comment', $grant).innerText = g.comment;
				$('.js-token', $grant).innerText = g.token;
				//TODO Math.floor(Date.now() / 1000);
				var url =
					'https://test.therootcompany.com/api/v1/devices/' +
					d.accessToken +
					'/updates?since=' +
					0;
				$('.js-example-curl .js-example-url', $grant).innerText = url;
				$('.js-example-curl .js-example-token', $grant).innerText = g.token;
				$('.js-example-js .js-example-url', $grant).innerText = url;
				$('.js-example-js .js-example-id', $grant).innerText = d.accessToken;
				$('.js-example-js .js-example-token', $grant).innerText = g.token;
				$('.js-grants', $dev).innerHTML += $grant.innerHTML;
			});
			d.updates.slice(0, 10).forEach(function(u) {
				var $update = $.create($updateTpl);
				$('.js-update-details', $update).innerText = JSON.stringify(u);
				$('.js-updates', $dev).innerHTML += $update.innerHTML;
			});
			$devs.innerHTML += $dev.innerHTML;
		});
	}

	console.info('[tzdb] requesting');
	window.fetch('./tzdb.json').then(function(resp) {
		return resp.json().then(function(tzdb) {
			console.info('[tzdb] received');
			var tz = Intl.DateTimeFormat().resolvedOptions().timeZone;
			var options = $$('.js-schedule-tz option');
			var valOpt = options[0].outerHTML; // UTC
			var spaceOpt = options[1].outerHTML; // ----
			var innerHTML = $('.js-schedule-tz').innerHTML;
			innerHTML =
				'<option selected value="' +
				tz +
				'">&nbsp;&nbsp;&nbsp;&nbsp;' +
				tz +
				'</option>' +
				spaceOpt +
				innerHTML.replace(/>UTC/, '>&nbsp;&nbsp;&nbsp;&nbsp;UTC');
			//$('.js-schedule-tz').innerHTML += spaceOpt;
			//$('.js-schedule-tz').innerHTML += valOpt.replace(/UTC/g, 'custom');
			Object.keys(tzdb)
				.sort()
				.forEach(function(k) {
					var parts = k.split(' ');
					//var sep = '── ' + parts[0];
					var sep = parts[0];
					if (parts[0] !== parts[1]) {
						sep += ' / ' + parts[1] + ' (DST)';
					}
					//innerHTML += '<option disabled>' + sep + '</option>';
					innerHTML += '<optgroup label="' + sep + '">';
					var areas = tzdb[k];
					areas.forEach(function(_tz) {
						if (tz !== _tz) {
							innerHTML += valOpt.replace(/UTC/g, _tz);
						}
					});
					innerHTML += '</optgroup>';
				});
			$('.js-schedule-tz').innerHTML = innerHTML;

			console.info('[tzdb] loaded');
			run();
		});
	});
	//window.addEventListener('load', run);
})();