import re
from pathlib import Path

DOC = Path('docs/paperclips-analysis.md')


def read_doc():
    assert DOC.exists(), f'missing doc: {DOC}'
    return DOC.read_text(encoding='utf-8')


def test_doc_exists():
    assert DOC.exists(), f'missing doc: {DOC}'


def test_doc_has_required_sections():
    text = read_doc()
    for heading in [
        '# Universal Paperclips Architecture Comparison',
        '## 15-Phase Progression Map',
        '## 96-Node Project Dependency Graph',
        '## Mathematical Formula Analysis',
        '## Emotional Arc Analysis',
        '## Lessons for The Beacon',
    ]:
        assert heading in text


def test_doc_mentions_key_formulas():
    text = read_doc()
    required = [
        'nextTrust = fibNext * 1000',
        'creativitySpeed = Math.log10(processors) * Math.pow(processors, 1.1) + processors - 1',
        'Math.pow((harvesterLevel + 1), 2.25)',
        'golden ratio',
        'quantum',
    ]
    for phrase in required:
        assert phrase in text


def test_doc_mentions_source_files_and_counts():
    text = read_doc()
    for phrase in [
        'main.js (6499 lines)',
        'projects.js (2451 lines)',
        'combat.js (802 lines)',
        'decisionproblem.com/paperclips',
    ]:
        assert phrase in text


def test_doc_mentions_96_node_graph_and_15_phases():
    text = read_doc()
    assert '96-node' in text or '96 node' in text
    phases = re.findall(r'^### Phase \d{1,2}:', text, re.MULTILINE)
    assert len(phases) == 15, f'expected 15 phases, found {len(phases)}'


def test_doc_is_substantial():
    text = read_doc()
    assert len(text) >= 4000