//絵文字ピッカー
//最初に読み込む
$("#emoji-before").addClass("disabled");
$("#emoji-next").addClass("disabled");

//絵文字ボタンのトグル
function emojiToggle(reaction) {
	var acct_id = $("#post-acct-sel").val();
	var selin = $("#textarea").prop('selectionStart');
	if (!selin) {
		selin = 0;
	}
	localStorage.setItem("cursor", selin);

	if ($("#emoji").hasClass("hide")) {
		$("#emoji").removeClass("hide")
		$("#right-side").show()
		$("#suggest").html("");
		if (!localStorage.getItem("emoji_" + acct_id)) {
			var html =
				'<button class="btn waves-effect green" style="width:100%; padding:0; margin-top:0;" onclick="emojiGet(\'true\');">' + lang.lang_emoji_get + '</button>';
			$("#emoji-list").html(html);
		} else {
			emojiList('home', reaction);
		}
	} else {
		$("#poll").addClass("hide")
		$("#emoji").addClass("hide")
		$("#suggest").html("");
		$("#right-side").hide()
	}


}

//絵文字リスト挿入
function emojiGet(parse, started) {
	$('#emoji-list').text('Loading...');
	var acct_id = $("#post-acct-sel").val();
	var domain = localStorage.getItem("domain_" + acct_id);
	if (localStorage.getItem("mode_" + domain) != "misskey") {
		var start = "https://" + domain + "/api/v1/custom_emojis";
		fetch(start, {
			method: 'GET',
			headers: {
				'content-type': 'application/json'
			},
		}).then(function (response) {
			return response.json();
		}).catch(function (error) {
			todo(error);
			console.error(error);
		}).then(function (json) {
			if (parse == "true") {
				$('#emoji-list').text('Parsing...');
				//絵文字をマストドン公式と同順にソート
				json.sort(function (a, b) {
					if (a.shortcode < b.shortcode) return -1;
					if (a.shortcode > b.shortcode) return 1;
					return 0;
				});
				localStorage.setItem("emoji_" + acct_id, JSON.stringify(json));
			} else {
				localStorage.setItem("emoji_" + acct_id, JSON.stringify(json));
			}
			localStorage.setItem("emojiseek", 0);
			if (!started) {
				emojiList('home')
			}
		});
	} else {
		var start = "https://" + domain + "/api/meta";
		fetch(start, {
			method: 'POST',
			headers: {
				'content-type': 'application/json'
			},
		}).then(function (response) {
			return response.json();
		}).catch(function (error) {
			todo(error);
			console.error(error);
		}).then(function (json) {
			if (json.enableEmojiReaction) {
				localStorage.setItem("emojiReaction_" + acct_id, "true");
			} else {
				localStorage.setItem("emojiReaction_" + acct_id, "disabled");
			}
			var emojis = json.emojis;
			var md = [];
			Object.keys(emojis).forEach(function (key) {
				var emoji = emojis[key];
				md.push({
					"shortcode": emoji.name,
					"url": emoji.url
				})
			});
			if (parse == "true") {
				$('#emoji-list').text('Parsing...');
				//絵文字をマストドン公式と同順にソート
				md.sort(function (a, b) {
					if (a.shortcode < b.shortcode) return -1;
					if (a.shortcode > b.shortcode) return 1;
					return 0;
				});
				localStorage.setItem("emoji_" + acct_id, JSON.stringify(md));
			} else {
				localStorage.setItem("emoji_" + acct_id, JSON.stringify(md));
			}
			localStorage.setItem("emojiseek", 0);
			if (!started) {
				emojiList('home')
			}
		});
	}
}

//リストの描画
function emojiList(target, reaction) {
	$("#now-emoji").text(lang.lang_emoji_custom);
	var acct_id = $("#post-acct-sel").val();
	if (reaction && localStorage.getItem("emojiReaction_" + acct_id) != "true") {
		console.error("Disabled")
		clear()
		hide();
		return false;
	}
	var start = localStorage.getItem("emojiseek");
	if (target == "next") {
		var start = start * 1 + 127;
		localStorage.setItem("emojiseek", start);
	} else if (target == "before") {
		var start = start - 127;
		localStorage.setItem("emojiseek", start);
	} else {
		var start = 0;
		localStorage.getItem("emojiseek", 0)
	}
	var html = '';
	var obj = JSON.parse(localStorage.getItem("emoji_" + acct_id));
	var num = obj.length;
	if (num < start) {
		var start = 0;
		localStorage.setItem("emojiseek", start);
	}
	var page = Math.ceil(num / 126);
	$("#emoji-sum").text(page);
	var ct = Math.ceil(start / 126);
	if (ct === 0) {
		var ct = 1;
		$("#emoji-before").addClass("disabled");
	} else {
		$("#emoji-before").removeClass("disabled");
	}
	$("#emoji-next").removeClass("disabled");
	$("#emoji-count").text(ct);
	for (i = start; i < start + 126; i++) {
		var emoji = obj[i];
		if (emoji) {
			if (reaction) {
				html = html + '<a onclick="emojiReaction(\':' + emoji.shortcode +
					':\')" class="pointer"><img src="' + emoji.url + '" width="20"></a>';
			} else {
				html = html + '<a onclick="emojiInsert(\':' + emoji.shortcode +
					':\')" class="pointer"><img src="' + emoji.url + '" width="20"></a>';
			}

		}
	}
	$("#emoji-list").html(html);
}

//絵文字など様々なものをテキストボックスに挿入
function emojiInsert(code, del) {
	var now = $("#textarea").val();
	var selin = localStorage.getItem("cursor");
	if (localStorage.getItem("emoji-zero-width") == "yes") {
		var brank = "​";
	} else {
		var brank = " ";
	}
	var now = $("#textarea").val();
	if (selin > 0) {
		var before = now.substr(0, selin);
		var after = now.substr(selin, now.length);
		newt = before + brank + code + brank + after;
	} else {
		newt = code + brank;
	}
	if (!del) {
		$("#textarea").val(newt);
		//emoji();
	} else {
		var regExp = new RegExp(del.replace(/[.*+?^=!:${}()|[\]\/\\]/g, "\\$&"), "g");
		var now = now.replace(regExp, "");
		$("#textarea").val(now + brank + code);
	}

	$("#textarea").focus();
	var selin = $("#textarea").prop('selectionStart');
	if (!selin) {
		selin = 0;
	}
	localStorage.setItem("cursor", selin);
}
//改行挿入
function brInsert(code) {
	if (!$('#post-box').hasClass("appear")) {
		localStorage.setItem("nohide", true);
		show();
	}
	var now = $("#textarea").val();
	$("#textarea").val(now + code);
	$("#textarea").focus();
}