// (C) Copyright 2015 Martin Dougiamas
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { Component, OnInit, ElementRef } from '@angular/core';
import { FormBuilder, FormControl } from '@angular/forms';
import { CoreDomUtilsProvider } from '@providers/utils/dom';
import { CoreTextUtilsProvider } from '@providers/utils/text';
import { AddonModDataFieldPluginComponent } from '../../../classes/field-plugin-component';

/**
 * Component to render data multimenu field.
 */
@Component({
    selector: 'addon-mod-data-field-multimenu',
    templateUrl: 'multimenu.html'
})
export class AddonModDataFieldMultimenuComponent extends AddonModDataFieldPluginComponent implements OnInit {

    control: FormControl;
    options = [];

    constructor(protected fb: FormBuilder, protected domUtils: CoreDomUtilsProvider, protected textUtils: CoreTextUtilsProvider,
            element: ElementRef) {
        super();
    }

    /**
     * Component being initialized.
     */
    ngOnInit(): void {
        this.mode = this.mode == 'list' ? 'show' : this.mode;
        this.render();
    }

    protected render(): void {
        if (this.mode == 'show') {
            return;
        }

        this.options = this.field.param1.split('\n').map((option) => {
            return { key: option, value: option };
        });

        if (this.mode == 'edit' && this.value && this.value.content) {
            this.value.content.split('##').forEach((value) => {
                const x = this.options.findIndex((option) => value == option.key);
                if (x >= 0) {
                    this.options[x].selected = true;
                }
            });
        }
    }
}