//BBCodeとMarkdownの入力・パーサー
//アカウント変えた時にBBとかMDとか
function mdCheck() {
	var acct_id = $("#post-acct-sel").val();
	var profimg = localStorage.getItem("prof_" + acct_id);
	if (!profimg) {
		profimg = "../../img/missing.svg";
	}
	$("#acct-sel-prof").attr("src", profimg);
	if (localStorage.getItem("post_" + acct_id)) {
		$("#toot-post-btn").text(localStorage.getItem("post_" + acct_id) + "(" + localStorage.getItem("domain_" + acct_id) + ")");
	} else {
		$("#toot-post-btn").text(lang.lang_toot + "(" + localStorage.getItem("domain_" + acct_id) + ")");
	}
	if (!localStorage.getItem("bb_" + acct_id) && !localStorage.getItem("md_" + acct_id)) {
		$(".markdown").addClass("hide");
		$(".anti-markdown").addClass("hide");
	} else {
		$(".anti-markdown").removeClass("hide");
	}
	if ($(".markdown").hasClass("hide")) {
		localStorage.setItem("md", "hide");
	} else {
		localStorage.removeItem("md");
	}
	var domain = localStorage.getItem("domain_" + acct_id);
	if (domain == "itabashi.0j0.jp") {
		$("#limited-button").removeClass("hide");
	} else {
		$("#limited-button").addClass("hide");
	}
	if (domain == "kirishima.cloud") {
		$("#faicon-btn").show();
	} else {
		$("#faicon-btn").hide();
	}
	if (domain == "imastodon.net") {
		trendTag();
	} else {
		$("#trendtag").html("");
	}
	if (localStorage.getItem("mode_" + domain) == "misskey") {
		Materialize.toast(lang.lang_bbmd_misskey, 5000);
	}
	if (idata[domain + "_letters"]) {
		$("#textarea").attr("data-length", idata[domain + "_letters"])
	} else {
		$("#textarea").attr("data-length", 500)
	}
	if (idata[domain + "_glitch"] === "true") {
		$("#local-button").removeClass("hide");
	} else {
		$("#local-button").addClass("hide");
	}
	var multi = localStorage.getItem("multi");
	if (multi) {
		var obj = JSON.parse(multi);
		if (obj[acct_id].background && obj[acct_id].background != "def" && obj[acct_id].text && obj[acct_id].text != "def") {
			$("#toot-post-btn").removeClass("indigo");
			$("#toot-post-btn").css("background-color", "#" + obj[acct_id].background);
			$("#toot-post-btn").css("color", obj[acct_id].text);
		} else {
			$("#toot-post-btn").css("background-color", "");
			$("#toot-post-btn").css("color", "");
			$("#toot-post-btn").addClass("indigo");

		}
	}
	loadVis();
}
//BOXのトグルボタン
function mdToggle() {
	$(".markdown").toggleClass("hide");
	$(".anti-markdown").toggleClass("hide");
	if ($(".markdown").hasClass("hide")) {
		localStorage.setItem("md", "hide");
	} else {
		localStorage.removeItem("md");
	}

}
//最初に読み込みます(MD対応インスタンスかチェック)
if (localStorage.getItem("md") == "hide") {
	$(".markdown").addClass("hide");
	$(".anti-markdown").removeClass("hide");
}
//タグを選んだ時に(BB版)
function tagsel(tag) {
	var acct_id = $("#post-acct-sel").val();
	if (!localStorage.getItem("bb_" + acct_id)) {
		return false;
	}
	if (tag == "large" || tag == "size" || tag == "color" || tag == "colorhex") {
		var sub = $("#" + tag).val();
		var sub = sub.replace(/#/g, "");
		surroundHTML(tag + "=" + sub, tag);
	} else if (tag == "flip=vertical" || tag == "flip=horizontal") {
		surroundHTML(tag, "flip");
	} else {
		surroundHTML(tag, tag);
	}
	$("#textarea").focus();
}
//HTMLをエスケープしてXSSを防ぐ
function escape_html(string) {
	if (typeof string !== 'string') {
		return string;
	}
	return string.replace(/[&'`"<>]/g, function (match) {
		return {
			'&': '&amp;',
			"'": '&#x27;',
			'`': '&#x60;',
			'"': '&quot;',
			'<': '&lt;',
			'>': '&gt;',
		}[match]
	});
}
//テキストボックスで選択したやつをタグで囲む(BB版)
function surroundHTML(tagS, tagE) {
	var acct_id = $("#post-acct-sel").val();
	if (!localStorage.getItem("bb_" + acct_id)) {
		return false;
	}
	var target = document.getElementById("textarea");
	var pos = getAreaRange(target);

	var val = target.value;
	var range = val.slice(pos.start, pos.end);
	var beforeNode = val.slice(0, pos.start);
	var afterNode = val.slice(pos.end);
	var insertNode;
	if (range || pos.start != pos.end) {
		insertNode = '[' + tagS + ']' + range + '[/' + tagE + ']';
		target.value = beforeNode + insertNode + afterNode;
	}

	else if (pos.start == pos.end) {
		insertNode = '[' + tagS + ']' + '[/' + tagE + ']';
		target.value = beforeNode + insertNode + afterNode;
	}
}
function markdown(tag, ck, br, space) {
	if (space == "before") {
		tagE = tag;
		tag = " " + tag;
	} else {
		tagE = tag;
	}
	surroundMD(tag, tagE, ck, br);
	$("#textarea").focus();
}
function surroundMD(tagS, tagE, ck, br) {
	var acct_id = $("#post-acct-sel").val();
	if (!localStorage.getItem("md_" + acct_id)) {
		return false;
	}
	var target = document.getElementById("textarea");
	var pos = getAreaRange(target);

	var val = target.value;
	var range = val.slice(pos.start, pos.end);
	var beforeNode = val.slice(0, pos.start);
	var afterNode = val.slice(pos.end);
	var insertNode;
	if (br == "yes") {
		var br = "\n";
	} else {
		var br = "";
	}

	if ((range || pos.start != pos.end) && ck == "yes") {
		insertNode = tagS + range + tagE;
		target.value = beforeNode + insertNode + br + afterNode;
	}

	else if (pos.start == pos.end || ck == "no") {
		insertNode = tagS + range;
		target.value = beforeNode + insertNode + br + afterNode;
	}
}

//テキストボックスの前後チェック
function getAreaRange(obj) {
	var pos = new Object();
	if (window.getSelection()) {
		pos.start = obj.selectionStart;
		pos.end = obj.selectionEnd;
	}

	return pos;
}

//Markdownのリンク挿入
function markdownLink() {
	var acct_id = $("#post-acct-sel").val();
	if (!localStorage.getItem("md_" + acct_id)) {
		return false;
	}
	var linkIns = "[" + $("#linkt").val() + "]" + "(" + $("#link2").val() + ")";
	if (linkIns != "[]()") {
		$("#textarea").val($("#textarea").val() + linkIns);
		$("#linkt").val("");
		$("#link2").val("");
		$("#textarea").focus();
	}
}
//Markdownのimg挿入
function markdownImage() {
	var acct_id = $("#post-acct-sel").val();
	if (!localStorage.getItem("md_" + acct_id)) {
		return false;
	}
	var imgIns = "![" + $("#image").val() + "]" + "(" + $("#image2").val() + ")";
	if (imgIns != "![]()") {
		$("#textarea").val($("#textarea").val() + imgIns);
		$("#image").val("");
		$("#image2").val("");
		$("#textarea").focus();
	}
}
//文字数をチェック(hタグ用)
function str_count(all, part) {
	return (all.match(new RegExp(part, "g")) || []).length;
}

//プレビュー
function preview() {
	$("#preview-field").show();
	$("#toot-field").hide();
	$("#preview-btn").hide();
	var bb = escape_html($("#textarea").val());
	//quote
	var bb = bb.replace(/>(.+)$/g, '<blockquote>$1<\/blockquote>');
	//spin
	var bb = bb.replace(/\[spin\](.+)\[\/spin\]/g, '<span class="fa fa-spin">$1<\/span>');
	//pulse
	var bb = bb.replace(/\[pulse\](.+)\[\/pulse\]/g, '<span class="bbcode-pulse-loading">$1<\/span>');
	//large
	var bb = bb.replace(/\[large=([0-9]{1,2})x\](.+)\[\/large\]/g, '<span class="fa fa-$1x">$2<\/span>');
	//vertical
	var bb = bb.replace(/\[flip=vertical\](.+)\[\/flip\]/g, '<span class="fa fa-flip-vertical">$1<\/span>');
	//horizontal
	var bb = bb.replace(/\[flip=horizontal\](.+)\[\/flip\]/g, '<span class="fa fa-flip-horizontal">$1<\/span>');
	//b
	var bb = bb.replace(/\[b\](.+)\[\/b\]/g, '<b>$1<\/b>');
	//i
	var bb = bb.replace(/\[i\](.+)\[\/i\]/g, '<i>$1<\/i>');
	//u
	var bb = bb.replace(/\[u\](.+)\[\/u\]/g, '<u>$1<\/u>');
	//s
	var bb = bb.replace(/\[s\](.+)\[\/s\]/g, '<s>$1<\/s>');
	//size
	var bb = bb.replace(/\[size=([0-9]{1,2})\](.+)\[\/size\]/g, '<span style="font-size:$1px">$2<\/span>');
	//colorhex
	var bb = bb.replace(/\[colorhex=([A-Fa-f0-9]+)\](.+)\[\/colorhex\]/g, '<span style="color:#$1">$2<\/span>');
	//code
	var bb = bb.replace(/`(.+)`/g, '<code>$1<\/code>');
	//head
	var m;
	m = bb.match(/^#{1,6}(.+)$/gm);
	if (m) {
		for (let i = 0; i < m.length; i++) {
			var t = m[i].match(/^#{1,6}(.+)$/);
			var indexct = '<h' + str_count(m[i], "#") + '>' + t[1] + '</h' + str_count(m[i], "#") + '>';
			var bb = bb.replace(new RegExp(m[i], ""), indexct);
		}
	}
	//list(ul)
	var li;
	li = bb.match(/^\- (.+)$/gm);
	if (li) {
		for (let l = 0; l < li.length; l++) {
			var u = li[l].match(/^\- (.+)$/);
			var listUl = '<li>' + u[1] + '</li>';
			if (l == 0) {
				listUl = '<ul>' + listUl;
			}
			if (l == li.length - 1) {
				listUl = listUl + '</ul>';
			}
			var bb = bb.replace(new RegExp(li[l], ""), listUl);
		}
	}
	//list(ol)
	var li;
	li = bb.match(/^1\. (.+)$/gm);
	if (li) {
		for (let l = 0; l < li.length; l++) {
			var u = li[l].match(/^1\. (.+)$/);
			var listUl = '<li>' + u[1] + '</li>';
			if (l === 0) {
				listUl = '<ol>' + listUl;
			}
			if (l === li.length - 1) {
				listUl = listUl + '</ol>';
			}
			var bb = bb.replace(new RegExp(li[l], ""), listUl);
		}
	}
	//img
	var bb = bb.replace(/!\[(.+)\]\((https:\/\/[-_.!~*\'()a-zA-Z0-9;\/?:\@&=+\$,%#]+)\)/g, '<img src="$2" text="$1" style="width:100%">');
	//link
	var bb = bb.replace(/\[(.+)\]\((https?:\/\/[-_.!~*\'()a-zA-Z0-9;\/?:\@&=+\$,%#]+)\)/g, '<a href="$2" target="_blank">$1<\/a>');
	bb = nl2br(bb);
	bb = bb.replace(new RegExp("</li><br />", "g"), "");
	$("#md-preview").html(bb);
}
//Editで戻る
function previewEdit() {
	$("#preview-field").hide();
	$("#toot-field").show();
	$("#preview-btn").show();
	$("#md-preview").html("");
}