/*
 * Copyright 2016-present the IoT DC3 original author or authors.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

import {mount} from '@vue/test-utils';
import {describe, expect, it} from 'vitest';

import i18n from '@/config/i18n';
import RangeSegmented from '@/components/segmented/RangeSegmented.vue';

const ElSegmentedStub = {
  name: 'ElSegmented',
  props: ['modelValue', 'options', 'size'],
  emits: ['update:modelValue'],
  template: `
    <div class="segmented-stub" :data-size="size">
      <button
        v-for="option in options"
        :key="option.value || 'all'"
        type="button"
        @click="$emit('update:modelValue', option.value)"
      >
        {{ option.label }}
      </button>
    </div>
  `,
};

const ElSelectStub = {
  name: 'ElSelect',
  props: ['modelValue'],
  emits: ['update:modelValue'],
  template: `
    <select
      class="select-stub"
      :value="modelValue"
      @change="$emit('update:modelValue', $event.target.value)"
    >
      <slot />
    </select>
  `,
};

const ElOptionStub = {
  name: 'ElOption',
  props: ['label', 'value'],
  template: '<option :value="value">{{ label }}</option>',
};

function mountRange(props: Record<string, unknown> = {}) {
  return mount(RangeSegmented, {
    props: {
      modelValue: '24h',
      ...props,
    },
    global: {
      plugins: [i18n],
      stubs: {
        ElOption: ElOptionStub,
        ElSegmented: ElSegmentedStub,
        ElSelect: ElSelectStub,
      },
    },
  });
}

describe('RangeSegmented', () => {
  it('renders the standard time range options', () => {
    const wrapper = mountRange();

    expect(wrapper.text()).toContain('Today');
    expect(wrapper.text()).toContain('Last 24 hours');
    expect(wrapper.text()).toContain('Last 7 days');
    expect(wrapper.text()).toContain('Last 30 days');
    expect(wrapper.text()).not.toContain('All');
  });

  it('can include the all option and emits the selected range key', async () => {
    const wrapper = mountRange({includeAll: true, size: 'small'});
    const buttons = wrapper.findAll('button');

    expect(wrapper.text()).toContain('All');
    expect(wrapper.find('.segmented-stub').attributes('data-size')).toBe('small');

    await buttons[0].trigger('click');
    await buttons[3].trigger('click');

    expect(wrapper.emitted('update:modelValue')).toEqual([[''], ['7d']]);
  });

  it('renders a full option select for dense toolbars', async () => {
    const wrapper = mountRange({includeAll: true, select: true});
    const select = wrapper.get('.select-stub');

    expect(select.findAll('option')).toHaveLength(5);
    expect(select.find('option').text()).toBe('All');

    await select.setValue('7d');

    expect(wrapper.emitted('update:modelValue')).toEqual([['7d']]);
  });
});