import { Component, DoCheck, EventEmitter, Input, Inject, Output, SimpleChanges, ViewChild } from '@angular/core';
import { FormControl } from "@angular/forms";
import { Profile_CONSTANTS } from '../shared/profile.constants';


@Component({
    selector: 'rss-edit-dialog',
    templateUrl: './edit-dialog.component.html',
    styleUrls: ['./edit-dialog.component.scss']
})

export class EditDialogComponent{

    @Input('editDialogConfig') dialogConfig: any;
    @Output() onDialogCancel: EventEmitter<boolean> = new EventEmitter<boolean>();
    @Output() onDialogUpdate: EventEmitter<string> = new EventEmitter<string>();
    @ViewChild('editItemRef') editItemRef;
    public editedName = new FormControl();
    public setEditCollectionFocus= false;

    constructor(@Inject(Profile_CONSTANTS) public constants) {
        this.editedName = new FormControl();
    }

    ngOnInit() {
      setTimeout(() => {
        this.setEditCollectionFocus= true;
      }, 0);
    }

    public onEditCancel(event) {
        this.onDialogCancel.emit(true);
        event.stopPropagation();
    }

    public onEditSubmit(event) {
        this.dialogConfig.message = "";
        if (this.editedName.value)
            if (this.dialogConfig.lstCollection && this.isCollectionExists())
                this.dialogConfig.message = this.constants.collection.messages.alreadyExists;
            else
            {
                this.onDialogUpdate.emit(this.editedName.value);
            }
        event.stopPropagation();
    }

    public isCollectionExists = () => {
        let collection: any;
        let bCollectionExists = false;
        collection = this.dialogConfig.lstCollection.filter(item => (item.name.toLowerCase() === this.editedName.value.toLowerCase()));
        if (collection !== null && collection !== undefined && collection.length > 0) {
            bCollectionExists = true;
        } else {
            bCollectionExists = false;
        }
        return bCollectionExists;
    }

    public stopPropagation = (event) => {
        event.stopPropagation();
    }


}