import {
  buildDictionaryCsv,
  buildDocx,
  buildMeetingExport,
  buildMeetingMarkdown,
  buildPdf,
  type MeetingExportInput,
  type PortableDictionaryRow,
} from '../src/features/data-portability';

const OWNER = '4f642f87-2d12-4dcf-9aa1-f4427d4078a8';

function input(): MeetingExportInput {
  return {
    meeting: {
      id: '292a4f9d-288e-4277-aab6-b07132a80c69',
      user_id: OWNER,
      team_id: null,
      title: '모바일 출시 점검',
      status: 'completed',
      started_at: '2026-08-21T00:00:00.000Z',
      ended_at: '2026-08-21T01:00:00.000Z',
      duration_ms: 3_600_000,
      raw_transcript: null,
      edited_transcript: null,
      minutes_markdown: '## 요약\n\n원자적 복원을 검증했다.',
      minutes_json: null,
      stt_model: 'whisper-large-v3',
      llm_model: 'gpt-5',
      stt_latency_ms: 100,
      llm_latency_ms: 200,
      error_message: null,
      audio_storage_key: null,
      created_at: '2026-08-21T00:00:00.000Z',
      updated_at: '2026-08-21T01:00:00.000Z',
    },
    transcripts: [
      {
        id: '2d47b3b6-a0dc-4ce4-8cd4-37b32ef3a29c',
        meeting_id: '292a4f9d-288e-4277-aab6-b07132a80c69',
        segment_index: 0,
        timestamp_ms: 5_000,
        duration_ms: 1_000,
        text: '전체 실패는 롤백합니다.',
        speaker: '화자 1',
        edited: false,
        created_at: '2026-08-21T00:00:05.000Z',
        updated_at: '2026-08-21T00:00:05.000Z',
      },
    ],
    memos: [
      {
        id: '8ebac53d-6bb6-4da6-973a-9d4e12e93d3c',
        meeting_id: '292a4f9d-288e-4277-aab6-b07132a80c69',
        user_id: OWNER,
        content: '체크섬 | 재검증',
        timestamp_ms: 3_000,
        created_at: '2026-08-21T00:00:03.000Z',
      },
    ],
    documents: [],
  };
}

function ascii(bytes: Uint8Array): string {
  return String.fromCharCode(...bytes.slice(0, 32));
}

describe('meeting and tabular exports', () => {
  it('builds Markdown with transcript, memo escaping, and metadata', () => {
    const markdown = buildMeetingMarkdown(input());
    expect(markdown).toContain('# Meeting Minutes — 모바일 출시 점검');
    expect(markdown).toContain('체크섬 \\| 재검증');
    expect(markdown).toContain('[00:05] 화자 1: 전체 실패는 롤백합니다.');
  });

  it('creates a structurally valid PDF container with Korean CID text', () => {
    const pdf = buildPdf(buildMeetingMarkdown(input()));
    const complete = String.fromCharCode(...pdf);
    expect(ascii(pdf)).toMatch(/^%PDF-1\.4/);
    expect(complete).toContain('/UniKS-UCS2-H');
    expect(complete).toContain('%%EOF');
  });

  it('creates an uncompressed OOXML DOCX ZIP containing Unicode document XML', () => {
    const docx = buildDocx(
      buildMeetingMarkdown(input()),
      '모바일 출시 점검',
      new Date('2026-08-21T00:00:00.000Z'),
    );
    const complete = String.fromCharCode(...docx);
    expect(ascii(docx)).toMatch(/^PK\x03\x04/);
    expect(complete).toContain('word/document.xml');
    expect(complete).toContain('[Content_Types].xml');
    expect(complete).toContain('PK\x05\x06');
  });

  it('returns all four real meeting output formats', () => {
    expect(buildMeetingExport(input(), 'md').mimeType).toBe('text/markdown');
    expect(buildMeetingExport(input(), 'txt').mimeType).toBe('text/plain');
    expect(buildMeetingExport(input(), 'pdf').bytes?.slice(0, 5)).toEqual(
      Uint8Array.from([37, 80, 68, 70, 45]),
    );
    expect(buildMeetingExport(input(), 'docx').bytes?.slice(0, 2)).toEqual(
      Uint8Array.from([80, 75]),
    );
  });

  it('neutralizes spreadsheet formulas while preserving RFC4180 fields', () => {
    const row: PortableDictionaryRow = {
      id: '7e050e11-c90c-4e95-8581-d37ad687d836',
      user_id: OWNER,
      word: '=HYPERLINK("https://attacker.invalid")',
      pronunciation: '쉼표, 따옴표 "확인"',
      category: 'user',
      usage_count: 0,
      last_used_at: null,
      created_at: '2026-08-21T00:00:00.000Z',
      updated_at: '2026-08-21T00:00:00.000Z',
    };
    const csv = buildDictionaryCsv([row]);
    expect(csv).toContain("'=HYPERLINK");
    expect(csv).toContain('"쉼표, 따옴표 ""확인"""');
  });
});