/*!
 * @license
 * Copyright 2016 Alfresco Software, Ltd.
 *
 * 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 { SearchNumberRangeComponent } from './search-number-range.component';
import { FormControl, FormGroup } from '@angular/forms';

describe('SearchNumberRangeComponent', () => {

    let component: SearchNumberRangeComponent;

    beforeEach(() => {
        component = new SearchNumberRangeComponent();
    });

    it('should setup form elements on init', () => {
        component.ngOnInit();
        expect(component.form).toBeDefined();
        expect(component.to).toBeDefined();
        expect(component.form).toBeDefined();
    });

    it('should reset form', () => {
        component.ngOnInit();
        component.form.reset({ from: '10', to: '20' });
        component.reset();

        expect(component.from.value).toEqual('');
        expect(component.to.value).toEqual('');
        expect(component.form.value).toEqual({ from: '', to: '' });
    });

    it('should update query builder on reset', () => {
        const context: any = {
            queryFragments: {
                contentSize: 'query'
            },
            update() {}
        };

        component.id = 'contentSize';
        component.context = context;

        spyOn(context, 'update').and.stub();

        component.ngOnInit();
        component.reset();

        expect(context.queryFragments.contentSize).toEqual('');
        expect(context.update).toHaveBeenCalled();
    });

    it('should update query builder on value changes', () => {
        const context: any = {
            queryFragments: {},
            update() {}
        };

        component.id = 'contentSize';
        component.context = context;
        component.settings = { field: 'cm:content.size' };

        spyOn(context, 'update').and.stub();

        component.ngOnInit();
        component.apply({
            from: '10',
            to: '20'
        }, true);

        const expectedQuery = 'cm:content.size:[10 TO 20]';
        expect(context.queryFragments[component.id]).toEqual(expectedQuery);
        expect(context.update).toHaveBeenCalled();
    });

    it('should fetch format from the settings', () => {
        component.settings = {
            field: 'cm:content.size',
            format: '<{FROM} TO {TO}>'
        };
        component.ngOnInit();

        expect(component.field).toEqual('cm:content.size');
        expect(component.format).toEqual('<{FROM} TO {TO}>');
    });

    it('should use default format if not provided', () => {
        component.settings = {
            field: 'cm:content.size'
        };
        component.ngOnInit();

        expect(component.field).toEqual('cm:content.size');
        expect(component.format).toEqual('[{FROM} TO {TO}]');
    });

    it('should format value based on the current pattern', () => {
        const context: any = {
            queryFragments: {},
            update() {}
        };

        component.id = 'range1';
        component.settings = {
            field: 'cm:content.size',
            format: '<{FROM} TO {TO}>'
        };
        component.context = context;
        component.ngOnInit();

        component.apply({ from: '0', to: '100' }, true);
        expect(context.queryFragments['range1']).toEqual('cm:content.size:<0 TO 100>');
    });

    it('should return true if TO value is bigger than FROM value', () => {
        component.ngOnInit();
        component.from = new FormControl('10');
        component.to = new FormControl('20');
        component.form = new FormGroup({
            from: component.from,
            to: component.to
        }, component.formValidator);

        expect(component.formValidator).toBeTruthy();
    });

    it('should throw pattern error if "from" value is formed by letters', () => {
        component.ngOnInit();
        component.from = new FormControl('abc', component.validators);
        expect(component.from.hasError('pattern')).toBe(true);
    });

    it('should not throw pattern error if "from" value is formed by digits', () => {
        component.ngOnInit();
        component.from = new FormControl(123, component.validators);
        expect(component.from.hasError('pattern')).toBe(false);
    });

    it('should throw required error if "from" value is empty', () => {
        component.ngOnInit();
        component.from = new FormControl('', component.validators);
        expect(component.from.hasError('required')).toBe(true);
    });

    it('should not throw required error if "from" value is not empty', () => {
        component.ngOnInit();
        component.from = new FormControl(123, component.validators);
        expect(component.from.hasError('required')).toBe(false);
    });

    it('should throw error if "from" value is a negative value', () => {
        component.ngOnInit();
        component.from = new FormControl(-100, component.validators);
        expect(component.from.hasError('min')).toBe(true);
    });
});