import { describe, expect, it } from 'vitest';
import type { ImportedDataset } from '../../src/domain/dataset';
import type { ImportPreviewEntry } from '../../src/domain/import-workflow';
import { createCanonicalImportBatch } from '../../src/importers/canonical-import';

function entry(fileName: string, profileId: string, scanTool: string): ImportPreviewEntry {
  const dataset: ImportedDataset = {
    fileName,
    fileSize: 10,
    lastModified: 0,
    format: 'CSV',
    rawText: '',
    sheets: [],
    profileId,
    profileVersion: '1.0.0',
    scanTool
  };
  return {
    id: fileName,
    fileName,
    sizeBytes: 10,
    lastModified: 0,
    sha256: fileName.padEnd(64, '0').slice(0, 64),
    status: 'ready',
    selected: true,
    format: 'CSV',
    toolId: profileId,
    toolName: scanTool,
    confidence: profileId === 'generic' ? 'unknown' : 'high',
    confidenceScore: profileId === 'generic' ? 0 : 0.9,
    tableCount: 0,
    recordCount: 0,
    rowCount: 0,
    warningMessages: [],
    errorMessages: [],
    unassignedFields: [],
    mappingsToConfirm: 0,
    dataset
  };
}

describe('canonical multi-file scan tool inference', () => {
  it('keeps per-file profiles while associating a single recognized scanner with the scan run', () => {
    const batch = createCanonicalImportBatch('batch-1', [
      entry('Assessment_summary.csv', 'generic', 'Tabular Data'),
      entry('Indicators_results.csv', 'purple-knight', 'PurpleKnight'),
      entry('SI000134.csv', 'generic', 'Tabular Data')
    ], '2026-07-18T08:00:00.000Z');

    expect(batch.model.scanRuns[0].tool).toEqual({ id: 'purple-knight', name: 'PurpleKnight' });
    expect(batch.model.importFiles.map(file => file.detectedTool.id)).toEqual([
      'generic',
      'purple-knight',
      'generic'
    ]);
    expect(batch.model.importFiles[0].detection.reasons).not.toContain(expect.stringContaining('Mehrdatei-Scan'));
  });

  it('does not overwrite distinct recognized tools in a heterogeneous batch', () => {
    const batch = createCanonicalImportBatch('batch-2', [
      entry('purple.csv', 'purple-knight', 'PurpleKnight'),
      entry('ping.html', 'pingcastle', 'PingCastle')
    ], '2026-07-18T08:00:00.000Z');

    expect(batch.model.scanRuns[0].tool.id).toBe('multiple');
    expect(batch.model.importFiles.map(file => file.detectedTool.id)).toEqual(['purple-knight', 'pingcastle']);
  });
});