import {AfterViewInit, Component, ElementRef, Input, OnChanges, ViewChild,} from '@angular/core';
import {HFormService} from '../../services/h-form.service';
import {JsfElement} from '../../superclass/jsf-element';

@Component({
    selector: 'ace-dialog',
    templateUrl: './ace-dialog.component.html',
    styleUrls: ['./ace-dialog.component.css'],
})
export class AceDialogComponent extends JsfElement implements AfterViewInit, OnChanges {
    static visibleStyle = {
        display: 'block',
        zIndex: 1002,
        outline: 0,
        height: 'auto',
        minWidth: '150px',
        width: 'auto',
    };
    static invisibleStyle = {display: 'none', zIndex: 1000, outline: 0};

    @Input()
    header: string;
    @Input()
    visible: boolean;
    @Input()
    closable: boolean;
    @Input()
    modal: boolean;
    @Input()
    draggable: boolean;
    @Input()
    resizable: boolean;
    @Input()
    showEffect: string;
    @Input()
    hideEffect: string;
    @Input()
    showHeader: boolean;

    @ViewChild('dialog')
    private dialog: ElementRef;

    private window = window;
    private width: number;
    private height: number;

    constructor(hFormService: HFormService, elementRef: ElementRef) {
        super(hFormService, elementRef);

        this.style = this.style = this.visible ?
            AceDialogComponent.visibleStyle :
            AceDialogComponent.invisibleStyle;
    }

    hide(event: Event): void {
        event.preventDefault();
        this.visible = false;
    }

    ngAfterViewInit() {
        super.ngAfterViewInit();

    }

    ngOnChanges() {
        const self = this;

        // same trick as in ice popup

        setTimeout(() => {
            // set it to visible
            self.style = self.visible ?
                AceDialogComponent.visibleStyle :
                AceDialogComponent.invisibleStyle;

            setTimeout(() => {
                // wait for render to finish and calc position
                self.width = self.dialog.nativeElement.offsetWidth;
                self.height = self.dialog.nativeElement.offsetHeight;

                self.style.left = `${window.innerWidth / 2 -
                (self.width / 2)}px`;
                self.style.top = `${window.innerHeight / 2 -
                (self.height / 2)}px`;
            });
        });
    }
}