import { describe, expect, it, beforeAll, beforeEach, vi } from 'vitest';
import { createWrapper } from 'app/test/vitest/helper';
import VnTable from 'src/components/VnTable/VnTable.vue';

describe('VnTable', () => {
    let wrapper;
    let vm;

    beforeAll(() => {
        wrapper = createWrapper(VnTable, {
            propsData: {
                columns: [],
            },
            attrs: {
                'data-key': 'test',
            },
        });
        vm = wrapper.vm;

        vi.mock('src/composables/useFilterParams', () => {
            return {
                useFilterParams: vi.fn(() => ({
                    params: {},
                    orders: {},
                })),
            };
        });
    });

    beforeEach(() => (vm.selected = []));

    describe('handleSelection()', () => {
        const rows = [
            { $index: 0 },
            { $index: 1 },
            { $index: 2 },
            { $index: 3 },
            { $index: 4 },
        ];

        it('should add rows to selected when shift key is pressed and rows are added in ascending order', () => {
            const selectedRows = [{ $index: 1 }];
            vm.handleSelection(
                { evt: { shiftKey: true }, added: true, rows: selectedRows },
                rows,
            );
            expect(vm.selected).toEqual([{ $index: 0 }]);
        });

        it('should add rows to selected when shift key is pressed and rows are added in descending order', () => {
            const selectedRows = [{ $index: 3 }];
            vm.handleSelection(
                { evt: { shiftKey: true }, added: true, rows: selectedRows },
                rows,
            );
            expect(vm.selected).toEqual([{ $index: 0 }, { $index: 1 }, { $index: 2 }]);
        });

        it('should not add rows to selected when shift key is not pressed', () => {
            const selectedRows = [{ $index: 1 }];
            vm.handleSelection(
                { evt: { shiftKey: false }, added: true, rows: selectedRows },
                rows,
            );
            expect(vm.selected).toEqual([]);
        });

        it('should not add rows to selected when rows are not added', () => {
            const selectedRows = [{ $index: 1 }];
            vm.handleSelection(
                { evt: { shiftKey: true }, added: false, rows: selectedRows },
                rows,
            );
            expect(vm.selected).toEqual([]);
        });

        it('should add all rows between the smallest and largest selected indexes', () => {
            vm.selected = [{ $index: 1 }, { $index: 3 }];
            const selectedRows = [{ $index: 4 }];
            vm.handleSelection(
                { evt: { shiftKey: true }, added: true, rows: selectedRows },
                rows,
            );
            expect(vm.selected).toEqual([{ $index: 1 }, { $index: 3 }, { $index: 2 }]);
        });
    });
});