import { describe, expect, it } from 'vitest';
import {
  applyFilters,
  buildFilters,
  createFieldState,
  groupRows,
} from '../src/composables/useFilters.js';

const schema = [
  {
    row: 6,
    field: 'name',
    'field-name': '名称',
    'query-option': [{ value: 'EQ', label: '=' }],
  },
  {
    row: 6,
    logic: 'OR',
    field: 'status',
    'query-option': [{ value: 'NE', label: '≠' }],
  },
];

describe('createFieldState', () => {
  it('initializes default query from first option', () => {
    const state = createFieldState(schema);
    expect(state.name.query).toBe('EQ');
    expect(state.status.logic).toBe('OR');
  });
});

describe('buildFilters', () => {
  it('emits logic from second item onward', () => {
    const state = createFieldState(schema);
    state.name.value = 'alice';
    state.status.value = 'active';
    const filters = buildFilters(schema, state);
    expect(filters[0].logic).toBeUndefined();
    expect(filters[1].logic).toBe('OR');
  });

  it('marks empty values', () => {
    const state = createFieldState(schema);
    const filters = buildFilters(schema, state);
    expect(filters[0].empty).toBe(true);
    expect(filters[0].value).toBeNull();
  });
});

describe('applyFilters', () => {
  it('loads filters back into state', () => {
    const loaded = applyFilters(schema, [
      { field: 'name', value: 'bob', query: 'EQ' },
    ]);
    expect(loaded.name.value).toBe('bob');
  });
});

describe('groupRows', () => {
  it('wraps when row spans exceed 12', () => {
    const groups = groupRows([
      { row: 2, field: 'a' },
      { row: 9, field: 'b' },
      { row: 4, field: 'c' },
    ]);
    expect(groups).toHaveLength(2);
    expect(groups[0]).toHaveLength(2);
    expect(groups[1]).toHaveLength(1);
  });
});