import { describe, it, expect } from 'vitest';
import { ExcelParser } from '../../src/main/services/excel/excel-parser';
import type { DiscreteMaterialPlan } from '../../src/main/types/excel.types';
import path from 'path';

describe('Excel Parser', () => {
  it('should parse Excel file and extract material plans', async () => {
    const parser = new ExcelParser();
    const filePath = path.resolve(__dirname, '../fixtures/test-export.xlsx');

    const plans = await parser.parse(filePath);

    expect(Array.isArray(plans)).toBe(true);
    expect(plans.length).toBeGreaterThan(0);

    const firstPlan = plans[0];
    expect(firstPlan).toHaveProperty('orderNumber');
    expect(firstPlan).toHaveProperty('materialCode');
  });

  it('should parse all material fields correctly', async () => {
    const parser = new ExcelParser();
    const filePath = path.resolve(__dirname, '../fixtures/test-export.xlsx');

    const plans = await parser.parse(filePath);

    expect(plans.length).toBe(3);

    // Check first material
    expect(plans[0].orderNumber).toBe('SC202501001');
    expect(plans[0].materialCode).toBe('M001');
    expect(plans[0].materialName).toBe('钢材A');
    expect(plans[0].specification).toBe('规格1');
    expect(plans[0].model).toBe('型号1');
    expect(plans[0].drawingNumber).toBe('图号1');
    expect(plans[0].material).toBe('材质1');
    expect(plans[0].quantity).toBe(50);
    expect(plans[0].unit).toBe('kg');
    expect(plans[0].requiredDate).toBe('2025-02-10');
    expect(plans[0].warehouse).toBe('仓库1');
    expect(plans[0].unitUsage).toBe(0.5);
    expect(plans[0].cumulativeOutboundQty).toBe(0);

    // Check third material (with some empty fields)
    expect(plans[2].materialCode).toBe('M003');
    expect(plans[2].materialName).toBe('配件C');
    expect(plans[2].quantity).toBe(200);
  });

  it('should handle empty orders gracefully', async () => {
    const parser = new ExcelParser();
    const filePath = path.resolve(__dirname, '../fixtures/test-empty-orders.xlsx');

    const plans = await parser.parse(filePath);

    expect(plans).toBeDefined();
    expect(plans.length).toBe(0);
  });
});