import './popup.css';

import { Ut } from '../../utils/Ut';
import { El } from '../../utils/dom';
import { Overlay } from '../overlay';
import { Stack } from '../../core/Stack';
import { Render } from '../../core/Render';

////////////////////
// Popup Widget
////////////////////

export class Popup {

	/**
	* Popup, Constructor
	*/
	constructor(target, opts) {

		let that = this;
		this.target = target;

		if (this.target.dxData('popup')) {
			return;
		}

		this.target.dxData('popup', this);

		this.opts = { ... {
			scrollBar    : true,
			marginTop    : 50,
			marginBottom : 50,
			multiple     : false,
			width        : 800,
			height       : 'auto',
			modal        : true,
			cls          : null
		}, ... opts };

		this.opened = false;

		if (!this.opts.multiple) {

			Stack.widgets.Popup?.forEach((popup, key) => {

				if (key == this.ekey - 1) {
					that.opened = true;
					popup.destroy(_ => that.init());
				}
				else {
					popup.destroy();
				}
			});
		}
		
		if (!this.opened) {
			this.opened = true;
			this.init();
		}
	}

	/**
	* Popup, Init 
	*/
	init() {

		Stack.add(this);

		this._plugins = [];	
		
		this.create();
		
		this.setEvents();
	}

	/**
	* Popup, Create 
	*/
	create() {

		this.card = {
			ui: Render.makeCardElement({
				title: this.opts.title || this.target.dataset.title,
				descr: this.opts.descr || this.target.dataset.descr,
				scrollbar : this.opts.scrollBar || this.target.scrollbar
			}, null)
		};

		this.card.toolbar = this.card.ui.dxFind('.top-bar-inner');
		this.card.container = this.card.ui.dxFind('.container');

		this.target.classList.add('popup-container');

		this.card.container.append(this.target);

		if (this.opts.toolbar) {

			if (!this.card.toolbar) {
				this.card.toolbar =  El('div', { className: 'top-bar-inner' });
				this.card.ui.prepend(El('div', { className: 'top-bar' }, this.card.toolbar));
			}

			this.card.toolbar.append(this.opts.toolbar);
		}

		if (this.card.toolbar) {
			this.card.toolbar.append( El('a', { className: 'ic-close' }) );
		}

		this.card.ui.classList.add('sp-popup');

		if (this.opts.cls) {
			this.card.ui.classList.add(this.opts.cls);
		}

		this.card.ui.style.width = this.opts.width + 'px';

		this.card.container.style.height = this.opts.height + 'px';

		if (this.opts.scrollBar) {
			this.card.container.classList.add('sp-scrollbar');
		}

		this.scrollTop = window.screenY;

		if (Ut.device.isMobile) {
			document.body.dxCss({ position: 'fixed', top: '-' + this.scrollTop + 'px' })
		}

		document.body.append(this.card.ui);

		 if (this.opts.modal) {
			Overlay.showModal(this.card.ui);
		}

		this.resize();

		this.card.ui.dxCss({ top: this.opts.marginTop + 'px', opacity: 1 });

		Ut.trigger(this.opts.onInit, this);
	}

	/**
	* Popup, Set Title 
	*/
	setTitle(text) {

		let title = this.card.toolbar.dxFind('h2.title');

		title.textContent = text;
		title.classList.remove('hide');
	}

	/**
	* Popup, resize 
	*/
	resize() {

		if (this.opts.scrollBar) {
			this.card.container.dxCss('max-height',
				( window.innerHeight - this.card.toolbar.clientHeight - this.opts.marginTop - this.opts.marginBottom )
				+ 'px'
			);
		}

		Ut.trigger(this.opts.onResize,
			this,
			this.card.container.clientWidth,
			this.card.container.clientHeight
		);
	}

	/**
	* Popup, Set Events 
	*/
	setEvents() {

		let that = this;

		if (this.opts.scrollBar) {

			let tm = null;
			
			window.dxOn('resize.popup' + this.ekey + ' orientationchange.popup' + this.ekey, function() {

				if (tm) {
					clearTimeout(tm);
					tm = null;
				}

				tm = setTimeout(function() {
					that.resize();
				}, 300);
			});
		}

		this.card.toolbar.dxOn('click', '.ic-close', function() {	
			that.destroy();
		});

		document.dxOn('keyup.popup' + this.ekey, function(e) {

			if (e.key == 'Escape') {
				that.destroy();
			}
		});
	}

	/**
	* Popup, Destroy 
	*/
	destroy(callback) {

		const that = this;

		this.card.ui.addEventListener('transitionend', function(e) {

			document.dxOff('keyup.popup' + that.ekey + ' resize.popup' + that.ekey + ' orientationchange.popup' + that.ekey);

			if (that.opts.modal) {
				Overlay.hideModal(that.card.ui);
			}
			
			that.card.ui.remove();

			if (Ut.device.isMobile) {
				document.body.dxCss({ position: '', top: '' });
				document.body.scrollTop = that.scrollTop;
			}

			that._plugins.forEach(widget => widget.destroy());

			Stack.delete(this);

			that.target.dxRemoveData('popup');

			Ut.trigger(callback);

			Ut.trigger(that.opts.onDestroy);
		}, {
			once: true
		});

		this.card.ui.dxCss({ top: '-25%', opacity: 0 });
	}
}