import Vue from 'vue';
import { Wrapper } from '@vue/test-utils';

import { mountComponent } from '@/tests';

import DataList from '../';
import { getDataList } from './data/dataList';

let wrapper: Wrapper<Vue>;

describe('DataList', () => {
	it('renders correctly', () => {
		wrapper = mountComponent(DataList, {
			propsData: {
				items: getDataList()
			}
		});

		const elExists = wrapper.find('.vd-data-list').exists();
		expect(elExists).toBe(true);

		// Check items exists
		const itemsExists = wrapper.find('.vd-data-list-item').exists();
		expect(itemsExists).toBe(true);

		const titleExists = wrapper.find('h4').exists();
		expect(titleExists).toBe(false);

		expect(wrapper).toMatchSnapshot();
	});

	it('renders correctly with a title', () => {
		wrapper = mountComponent(DataList, {
			propsData: {
				items: getDataList(),
				listTitle: 'Informations'
			}
		});

		const elExists = wrapper.find('h4').exists();
		expect(elExists).toBe(true);

		expect(wrapper).toMatchSnapshot();
	});

	it('renders correctly with an empty list', () => {
		wrapper = mountComponent(DataList, {
			propsData: {
				items: []
			}
		});

		// Check items does not exist
		const itemsExists = wrapper.find('.vd-data-list-item').exists();
		expect(itemsExists).toBe(false);

		expect(wrapper).toMatchSnapshot();
	});

	it('renders correctly with an icon', () => {
		const listWithIcon = getDataList();

		// Add an action to the second item
		listWithIcon[1].icon = 'mdiTest';

		wrapper = mountComponent(DataList, {
			propsData: {
				items: listWithIcon,
				icons: {
					mdiTest: 'test'
				}
			}
		}, true);

		// Check items does not exist
		const itemsExists = wrapper.find('.vd-data-list-item .v-icon').exists();
		expect(itemsExists).toBe(true);

		expect(wrapper).toMatchSnapshot();
	});

	it('renders correctly with a class', async() => {
		const listWithClass = getDataList();

		// Add a class to the second item
		listWithClass[1].class = 'custom-class';

		wrapper = mountComponent(DataList, {
			propsData: {
				items: listWithClass
			}
		});

		// Check that items now exist
		const itemsExists = wrapper.find('.vd-data-list-item.custom-class').exists();
		expect(itemsExists).toBe(true);

		expect(wrapper).toMatchSnapshot();
	});

	it('renders loading state correctly', async() => {
		wrapper = mountComponent(DataList, {
			propsData: {
				items: getDataList(),
				loading: true,
				itemsNumberLoading: 3,
				headingLoading: true
			}
		});

		// Check that items does not exist
		let itemsExists = wrapper.find('.vd-data-list-item').exists();
		expect(itemsExists).toBe(false);

		expect(wrapper).toMatchSnapshot();

		wrapper.setProps({ loading: false });

		await wrapper.vm.$nextTick();

		// Check that items now exist
		itemsExists = wrapper.find('.vd-data-list-item').exists();
		expect(itemsExists).toBe(true);

		expect(wrapper).toMatchSnapshot();
	});

	it('renders correctly with an action', async() => {
		const listWithAction = getDataList();

		// Add an action to the second item
		listWithAction[1].action = 'Edit';

		wrapper = mountComponent(DataList, {
			propsData: {
				items: listWithAction,
				flex: true
			}
		}, true);

		expect(wrapper).toMatchSnapshot();
	});

	it('emits action event', async() => {
		const listWithAction = getDataList();

		// Add an action to the second item
		listWithAction[2].action = 'Edit';

		wrapper = mountComponent(DataList, {
			propsData: {
				items: listWithAction,
				flex: true
			}
		}, true);

		// Find the second item element
		const itemWithAction = wrapper.findAll('.vd-data-list-item').at(2);
		expect(itemWithAction.exists()).toBe(true);

		const actionBtn = itemWithAction.find('.vd-data-list-item-action-btn');
		expect(actionBtn.exists()).toBe(true);

		actionBtn.trigger('click');

		await wrapper.vm.$nextTick();

		expect(wrapper.emitted('click:item-action')).toEqual([[2]]);
	});
});