/*
 * Squidex Headless CMS
 *
 * @license
 * Copyright (c) Squidex UG (haftungsbeschränkt). All rights reserved.
 */

import { Component, EventEmitter, Input, Output } from '@angular/core';
import { FormControl, Validators } from '@angular/forms';
import { Keys } from '@app/framework/internal';

@Component({
    selector: 'sqx-editable-title[name]',
    styleUrls: ['./editable-title.component.scss'],
    templateUrl: './editable-title.component.html',
})
export class EditableTitleComponent {
    @Output()
    public nameChange = new EventEmitter<string>();

    @Input()
    public disabled?: boolean | null;

    @Input()
    public fallback: string;

    @Input()
    public name: string;

    @Input()
    public maxLength = 20;

    @Input()
    public set isRequired(value: boolean) {
        const validator =
            value ?
            Validators.required :
            Validators.nullValidator;

        this.renameForm.setValidators(validator);
    }

    public renaming = false;
    public renameForm = new FormControl();

    public onKeyDown(event: KeyboardEvent) {
        if (Keys.isEscape(event)) {
            this.toggleRename();
        }
    }

    public toggleRename() {
        if (this.disabled) {
            return;
        }

        this.renameForm.setValue(this.name || '');
        this.renaming = !this.renaming;
    }

    public rename() {
        if (this.disabled) {
            return;
        }

        if (this.renameForm.valid) {
            const name = this.renameForm.value;

            this.nameChange.emit(name);
            this.name = name;

            this.renaming = false;
        }
    }
}