import { describe, it, expect } from 'vitest';
import type { DashboardReportPayload } from '../../types/dashboardReport.ts';
import { buildReportWorkbook } from '../reportExcel.ts';

const snapshot: DashboardReportPayload = {
  cycleId: 'CYCLE-JBW',
  kandangId: 1,
  kandangName: 'Kandang Atas',
  area: 'Sukawarna',
  upToDay: 2,
  generatedAt: '2026-05-24T10:00:00.000Z',
  counting: [
    {
      date: '2026-05-22',
      day: 0,
      countBefore: 100,
      mortality: 0,
      harvest: 0,
      harvestWeight: null,
      countAfter: 100,
      iotCount: 95,
      accuracy: 95,
    },
  ],
  weight: [
    {
      date: '2026-05-23',
      day: 1,
      avgManual: 1000,
      avgIot: 900,
      uniformity: 80,
      difference: 100,
      accuracy: 90,
    },
  ],
  feedIn: [{ date: '2026-05-22', manualIn: 10, iotIn: 10, accuracy: 100 }],
  feedUse: [{ date: '2026-05-22', day: 0, manualUse: 4, iotUse: 4, accuracy: 100 }],
};

const emptySnapshot: DashboardReportPayload = {
  ...snapshot,
  counting: [],
  weight: [],
  feedIn: [],
  feedUse: [],
};

describe('buildReportWorkbook', () => {
  it('creates four sheets with the specified names', async () => {
    const workbook = await buildReportWorkbook(snapshot);
    expect(workbook.worksheets.map((sheet) => sheet.name)).toEqual([
      'Counting',
      'Weight',
      'Feed In',
      'Feed Use',
    ]);
  });

  it('includes chicken age and mortality on Counting, and no chicken-age on Feed In', async () => {
    const workbook = await buildReportWorkbook(snapshot);
    const countingHeaders = workbook.getWorksheet('Counting')?.getRow(2).values ?? [];
    const feedInHeaders = workbook.getWorksheet('Feed In')?.getRow(2).values ?? [];

    expect(countingHeaders).toEqual(
      expect.arrayContaining(['Umur (hari)', 'Mortalitas'])
    );
    expect(feedInHeaders).toEqual(expect.arrayContaining(['Tanggal', 'Manual masuk', 'IoT masuk']));
    expect(feedInHeaders).not.toEqual(expect.arrayContaining(['Umur (hari)']));
  });

  it('writes header metadata matching upToDay and generatedAt', async () => {
    const workbook = await buildReportWorkbook(snapshot);
    const headerValues = workbook.getWorksheet('Counting')?.getRow(1).values ?? [];
    const header = (Array.isArray(headerValues) ? headerValues : [])
      .map((value) => (value == null ? '' : String(value)))
      .filter(Boolean)
      .join(' ');

    expect(header).toContain('Kandang Atas');
    expect(header).toContain('CYCLE-JBW');
    expect(header).toContain('Hari ke-0 s/d ke-2');
    expect(header).toContain('2026-05-24T10:00:00.000Z');
  });

  it('still produces a workbook when snapshot tables are empty (AE5)', async () => {
    const workbook = await buildReportWorkbook(emptySnapshot);
    expect(workbook.worksheets).toHaveLength(4);
    expect(workbook.getWorksheet('Counting')?.rowCount).toBeGreaterThanOrEqual(2);
  });

  it('appends a Total row on each sheet', async () => {
    const workbook = await buildReportWorkbook(snapshot);
    const lastValues = (sheetName: string) => {
      const sheet = workbook.getWorksheet(sheetName);
      const values = sheet?.getRow(sheet.rowCount).values;
      return (Array.isArray(values) ? values : []).filter((value) => value != null);
    };

    expect(lastValues('Counting')[0]).toBe('Total');
    expect(lastValues('Weight')[0]).toBe('2026-05-23');
    expect(lastValues('Feed In')).toEqual(['Total', 10, 10, '100.0%']);
    expect(lastValues('Feed Use')).toEqual(['Total', '—', 4, 4, '100.0%']);
  });

  it('adds FCR and EEF sheets for an end-cycle snapshot', async () => {
    const workbook = await buildReportWorkbook({
      ...snapshot,
      reportType: 'end_cycle',
      fcr: [
        {
          day: 0,
          iotFcr: 1.234,
          feedTotal: 10,
          iotWeight: 45.5,
          chickenLife: 10000,
          harvestWeightTotal: 12000,
        },
      ],
      eef: [
        {
          day: 0,
          iotEef: 310.456,
          chickenLifePercentage: 99.5,
          iotAverageHarvestBw: 45.5,
          iotAverageDayWeight: 0.2,
          iotFcr: 1.234,
        },
      ],
    });

    expect(workbook.worksheets.map((sheet) => sheet.name)).toEqual([
      'Counting',
      'Weight',
      'Feed In',
      'Feed Use',
      'FCR',
      'EEF',
    ]);

    const headerCells = (sheetName: string) => {
      const values = workbook.getWorksheet(sheetName)?.getRow(2).values ?? [];
      return (Array.isArray(values) ? values : []).filter((value) => value != null);
    };

    expect(headerCells('FCR')).toEqual([
      'Umur',
      'Total Pakan',
      'Bobot IoT',
      'Ayam Hidup',
      'Total Bobot Panen',
      'FCR',
    ]);
    expect(headerCells('EEF')).toEqual([
      'Umur',
      'Persentase Ayam Hidup',
      'BW Rata-rata Panen',
      'Umur Rata-rata Panen',
      'FCR',
      'EEF',
    ]);
  });
});