class Dialog{
	layout;
	onclose: Function;
	onopen: Function;
	html:HTMLDivElement;
	background: HTMLDivElement;
	constructor(layout,onclose=_=>{},onopen=_=>{}){
		this.layout=layout;
		this.onclose=onclose;
		this.onopen=onopen;
		const div=document.createElement("div");
		div.appendChild(this.tohtml(layout));
		this.html=div;
		this.html.classList.add("centeritem");
		if(!(layout[0]==="img")){
			this.html.classList.add("nonimagecenter");
		}
	}
	tohtml(array:any[]){
		switch(array[0]){
		case"img":
			const img=document.createElement("img");
			img.src=array[1];
			if(array[2]!=undefined){
				if(array[2].length==2){
					img.width=array[2][0];
					img.height=array[2][1];
				}else if(array[2][0]=="fit"){
					img.classList.add("imgfit");
				}
			}
			return img;
		case"hdiv":
			const hdiv=document.createElement("table");
			const tr=document.createElement("tr");
			hdiv.appendChild(tr);

			for(const thing of array){
				if(thing==="hdiv"){
					continue;
				}
				const td=document.createElement("td");
				td.appendChild(this.tohtml(thing));
				tr.appendChild(td);
			}
			return hdiv;
		case"vdiv":
			const vdiv=document.createElement("table");
			for(const thing of array){
				if(thing==="vdiv"){
					continue;
				}
				const tr=document.createElement("tr");
				tr.appendChild(this.tohtml(thing));
				vdiv.appendChild(tr);
			}
			return vdiv;
		case"checkbox":
		{
			const div=document.createElement("div");
			const checkbox = document.createElement("input");
			div.appendChild(checkbox);
			const label=document.createElement("span");
			checkbox.checked=array[2];
			label.textContent=array[1];
			div.appendChild(label);
			checkbox.addEventListener("change",array[3]);
			checkbox.type = "checkbox";
			return div;
		}
		case"button":
		{
			const div=document.createElement("div");
			const input = document.createElement("button");

			const label=document.createElement("span");
			input.textContent=array[2];
			label.textContent=array[1];
			div.appendChild(label);
			div.appendChild(input);
			input.addEventListener("click",array[3]);
			return div;
		}
		case"mdbox":
		{
			const div=document.createElement("div");
			const input=document.createElement("textarea");
			input.value=array[2];
			const label=document.createElement("span");
			label.textContent=array[1];
			input.addEventListener("input",array[3]);
			div.appendChild(label);
			div.appendChild(document.createElement("br"));
			div.appendChild(input);
			return div;
		}
		case"textbox":
		{
			const div=document.createElement("div");
			const input=document.createElement("input");
			input.value=array[2];
			input.type="text";
			const label=document.createElement("span");
			label.textContent=array[1];
			console.log(array[3]);
			input.addEventListener("input",array[3]);
			div.appendChild(label);
			div.appendChild(input);
			return div;
		}
		case"fileupload":
		{
			const div=document.createElement("div");
			const input=document.createElement("input");
			input.type="file";
			const label=document.createElement("span");
			label.textContent=array[1];
			div.appendChild(label);
			div.appendChild(input);
			input.addEventListener("change",array[2]);
			console.log(array);
			return div;
		}
		case"text":{
			const span =document.createElement("span");
			span.textContent=array[1];
			return span;
		}
		case"title":{
			const span =document.createElement("span");
			span.classList.add("title");
			span.textContent=array[1];
			return span;
		}
		case"radio":{
			const div=document.createElement("div");
			const fieldset=document.createElement("fieldset");
			fieldset.addEventListener("change",()=>{
				let i=-1;
				for(const thing of fieldset.children){
					i++;
					if(i===0){
						continue;
					}
					const checkbox = thing.children[0].children[0] as HTMLInputElement;
					if(checkbox.checked){
						array[3](checkbox.value);
					}
				}
			});
			const legend=document.createElement("legend");
			legend.textContent=array[1];
			fieldset.appendChild(legend);
			let i=0;
			for(const thing of array[2]){
				const div=document.createElement("div");
				const input=document.createElement("input");
				input.classList.add("radio");
				input.type="radio";
				input.name=array[1];
				input.value=thing;
				if(i===array[4]){
					input.checked=true;
				}
				const label=document.createElement("label");

				label.appendChild(input);
				const span=document.createElement("span");
				span.textContent=thing;
				label.appendChild(span);
				div.appendChild(label);
				fieldset.appendChild(div);
				i++;
			}
			div.appendChild(fieldset);
			return div;
		}
		case"html":
			return array[1];

		case"select":{
			const div=document.createElement("div");
			const label=document.createElement("label");
			const select=document.createElement("select");

			label.textContent=array[1];
			div.append(label);
			div.appendChild(select);
			for(const thing of array[2]){
				const option = document.createElement("option");
				option.textContent=thing;
				select.appendChild(option);
			}
			select.selectedIndex=array[4];
			select.addEventListener("change",array[3]);
			return div;
		}
		case"tabs":{
			const table=document.createElement("table");
			const tabs=document.createElement("tr");
			tabs.classList.add("tabbed-head");
			table.appendChild(tabs);
			const td=document.createElement("td");
			tabs.appendChild(td);
			const content=document.createElement("tr");
			content.classList.add("tabbed-content");
			table.appendChild(content);

			let shown;
			for(const thing of array[1]){
				const button=document.createElement("button");
				button.textContent=thing[0];
				td.appendChild(button);


				const tdcontent=document.createElement("td");
				tdcontent.colSpan=array[1].length;
				tdcontent.appendChild(this.tohtml(thing[1]));
				content.appendChild(tdcontent);
				if(!shown){
					shown=tdcontent;
				}else{
					tdcontent.hidden=true;
				}
				button.addEventListener("click",_=>{
					shown.hidden=true;
					tdcontent.hidden=false;
					shown=tdcontent;
				});
			}
			return table;
		}
		default:
			console.error("can't find element:"+array[0],"  full element:"+array);
		}
	}
	show(){
		this.onopen();
		console.log("fullscreen");
		this.background=document.createElement("div");
		this.background.classList.add("background");
		document.body.appendChild(this.background);
		document.body.appendChild(this.html);
		this.background.onclick = _=>{
			this.hide();
		};
	}
	hide(){
		document.body.removeChild(this.background);
		document.body.removeChild(this.html);
	}
}
export{Dialog};