"""Result serialisation for document-mode QC.

Writes both a structured JSON file (full per-check + per-page drilldown) and
a self-contained HTML report optimised for fast triage:

  • Top "Findings at a glance" panel — one line per check
  • Per-check sections with structured findings tables
  • Per-page accordion (collapsed by default; "show only failing" filter)

Filename convention mirrors single-asset mode:
  <output_dir>/<session_id>_<filename>_data.json
  <output_dir>/<session_id>_<filename>_report.html
"""

import html
import json
import os
from typing import Dict, List, Optional


def _slugify_filename(name: str) -> str:
    base = os.path.splitext(os.path.basename(name))[0]
    return base.replace(' ', '_').replace('/', '_')


def _score_class(score: float) -> str:
    if score >= 8:
        return 'score-good'
    if score >= 6:
        return 'score-ok'
    return 'score-bad'


def _pill(text: str, kind: str = 'neutral') -> str:
    classes = {
        'good': 'pill pill-good',
        'ok': 'pill pill-ok',
        'bad': 'pill pill-bad',
        'neutral': 'pill',
    }
    return f'<span class="{classes.get(kind, classes["neutral"])}">{html.escape(str(text))}</span>'


# ─────────────────────────────────────────────────────────────────────────────
# Findings renderers — each understands a specific check's structured payload
# ─────────────────────────────────────────────────────────────────────────────


def _render_font_inventory(findings: Dict) -> str:
    distribution = findings.get('distribution') or []
    if not distribution:
        return '<p>No fonts captured.</p>'
    rows = ''.join(
        f"<tr><td>{html.escape(d['font'])}</td><td>{d['page_count']}</td>"
        f"<td>{html.escape(', '.join(str(p) for p in d['pages'][:30]))}{'…' if len(d['pages']) > 30 else ''}</td></tr>"
        for d in distribution
    )
    return f"""
    <table class='findings-table'>
        <thead><tr><th>Font</th><th>Pages with this font</th><th>Page list (first 30)</th></tr></thead>
        <tbody>{rows}</tbody>
    </table>
    """


def _render_phone_inventory(findings: Dict) -> str:
    distribution = findings.get('distribution') or []
    if not distribution:
        return '<p>No phone numbers detected.</p>'
    rows = ''.join(
        f"<tr><td>{html.escape(d['number'])}</td><td>{d['occurrences']}</td>"
        f"<td>{html.escape(', '.join(str(p) for p in d['pages'][:30]))}{'…' if len(d['pages']) > 30 else ''}</td></tr>"
        for d in distribution
    )
    return f"""
    <table class='findings-table'>
        <thead><tr><th>Number</th><th>Occurrences</th><th>Pages</th></tr></thead>
        <tbody>{rows}</tbody>
    </table>
    """


def _render_bold_words_violations(findings: Dict) -> str:
    if findings.get('error') == 'seed_missing':
        return '<p class="muted">No bold-words seed dictionary present.</p>'
    violations = findings.get('violations') or []
    bold_n = findings.get('bold_occurrences', 0)
    non_bold_n = findings.get('non_bold_occurrences', 0)
    excluded = findings.get('definitions_pages_excluded') or []
    dict_size = findings.get('dictionary_size', 0)

    head = f"""
    <p>
        <strong>{dict_size}</strong> defined terms scanned ·
        <span class='ok'>{bold_n}</span> correctly bold ·
        <span class='bad'>{non_bold_n}</span> non-bold ·
        excluding definitions pages {excluded or '(none)'}.
    </p>
    """

    if not violations:
        return head + '<p class="ok">No non-bold occurrences detected.</p>'

    # Group violations by term for readability
    by_term: Dict[str, List[Dict]] = {}
    for v in violations:
        by_term.setdefault(v['term'], []).append(v)

    sections = []
    for term, items in sorted(by_term.items(), key=lambda kv: -len(kv[1])):
        rows = ''.join(
            f"<tr><td>{v['page']}</td><td>{html.escape((v['context'] or '')[:200])}</td>"
            f"<td><code>{html.escape(v.get('font') or '?')}</code></td></tr>"
            for v in items[:25]
        )
        more = f"<tr><td colspan=3 class='muted'>…and {len(items) - 25} more occurrences.</td></tr>" if len(items) > 25 else ''
        sections.append(f"""
        <details class='violation-block'>
            <summary><strong>{html.escape(term)}</strong> — {len(items)} non-bold occurrence{'s' if len(items) != 1 else ''}</summary>
            <table class='findings-table'>
                <thead><tr><th>Page</th><th>Context (truncated)</th><th>Font</th></tr></thead>
                <tbody>{rows}{more}</tbody>
            </table>
        </details>
        """)

    return head + '\n'.join(sections)


def _render_page_numbering(findings: Dict) -> str:
    issues = findings.get('discontinuities') or []
    detected = findings.get('pages_with_detected_number', 0)
    total = findings.get('pages_total', 0)
    head = f"<p>Detected page numbers on {detected}/{total} pages.</p>"
    if not issues:
        return head + '<p class="ok">No discontinuities detected.</p>'
    rows = ''.join(
        f"<tr><td>{i['page_index']}</td><td>{i['expected']}</td><td>{i['detected']}</td></tr>"
        for i in issues
    )
    return head + f"""
    <table class='findings-table'>
        <thead><tr><th>Page index</th><th>Expected</th><th>Detected</th></tr></thead>
        <tbody>{rows}</tbody>
    </table>
    <p class="muted">Heuristic — TOC pages and section dividers can produce false positives.</p>
    """


def _render_print_code(findings: Dict) -> str:
    pages = findings.get('pages_inspected') or []
    code = findings.get('code_candidates') or []
    refs = findings.get('doc_refs') or []
    dates = findings.get('date_candidates') or []
    versions = findings.get('version_candidates') or []
    return f"""
    <p>Inspected page(s): {pages}</p>
    <p>
        <strong>Code candidates:</strong> {', '.join(code) or '<em>none</em>'}<br>
        <strong>Document refs:</strong> {', '.join(refs) or '<em>none</em>'}<br>
        <strong>Date candidates:</strong> {', '.join(dates) or '<em>none</em>'}<br>
        <strong>Version candidates:</strong> {', '.join(versions) or '<em>none</em>'}
    </p>
    """


def _render_omg_versioning(findings: Dict) -> str:
    pages = findings.get('pages_inspected') or []
    omg = findings.get('omg_matches') or []
    dates = findings.get('date_matches') or []
    return f"""
    <p>Inspected page(s): {pages}</p>
    <p>
        <strong>OMG codes:</strong> {', '.join(omg) or '<em>none</em>'}<br>
        <strong>Date formats:</strong> {', '.join(dates) or '<em>none</em>'}
    </p>
    """


def _render_print_preflight(findings: Dict) -> str:
    if findings.get('error'):
        return f"<p class='bad'>Error: {html.escape(str(findings['error']))}</p>"

    criteria = findings.get('criteria') or []
    passed = findings.get('criteria_passed', 0)
    total = findings.get('criteria_total', 0)

    head = f"<p><strong>{passed} / {total}</strong> print preflight criteria passed.</p>"

    rows = []
    for c in criteria:
        marker = '<span class="ok">✓</span>' if c['passed'] else '<span class="bad">✗</span>'
        detail_extra = ''
        d = c.get('detail') or {}
        if d.get('low_dpi_images'):
            items = ''.join(
                f"<li>Page {x['page']}, xref {x['xref']}: {x['effective_dpi']} DPI "
                f"(rendered {x['rendered_inches'][0]} × {x['rendered_inches'][1]} in)</li>"
                for x in d['low_dpi_images'][:10]
            )
            more = (f"<li class='muted'>…and {len(d['low_dpi_images']) - 10} more.</li>"
                    if len(d['low_dpi_images']) > 10 else '')
            detail_extra = f"<ul style='margin:4px 0 0;padding-left:18px;font-size:12px'>{items}{more}</ul>"
        elif d.get('colorspace_counts'):
            cs = d['colorspace_counts']
            cs_summary = ', '.join(f"{k}: {v}" for k, v in sorted(cs.items()))
            detail_extra = f"<br><code>{html.escape(cs_summary)}</code>"
        elif d.get('spot_spaces'):
            detail_extra = f"<br><code>{html.escape(', '.join(d['spot_spaces']))}</code>"
        elif d.get('distinct_sizes_pts'):
            sizes = '; '.join(f"{round(s[0]*0.3528,1)}×{round(s[1]*0.3528,1)}mm" for s in d['distinct_sizes_pts'])
            detail_extra = f"<br><code>{html.escape(sizes)}</code>"
        rows.append(f"""
        <tr>
            <td class='center' style='width:50px'>{marker}</td>
            <td><code>{html.escape(c['code'])}</code></td>
            <td>{html.escape(c['title'])}</td>
            <td>{html.escape(c['note'])}{detail_extra}</td>
        </tr>
        """)

    return head + f"""
    <table class='findings-table'>
        <thead><tr><th></th><th>Code</th><th>Criterion</th><th>Observation</th></tr></thead>
        <tbody>{''.join(rows)}</tbody>
    </table>
    """


def _render_pdf_accessibility(findings: Dict) -> str:
    if findings.get('error'):
        return f"<p class='bad'>Error: {html.escape(str(findings['error']))}</p>"

    criteria = findings.get('criteria') or []
    passed = findings.get('criteria_passed', 0)
    total = findings.get('criteria_total', 0)
    verapdf_run = findings.get('verapdf_run', False)
    verapdf = findings.get('verapdf') or {}

    if verapdf_run:
        verapdf_label = '<span class="ok">enabled</span>'
    elif verapdf.get('error'):
        verapdf_label = f'<span class="bad">error: {html.escape(verapdf["error"])}</span>'
    else:
        verapdf_label = '<span class="muted">not installed on host</span>'

    head = f"""
    <p>
        <strong>{passed} / {total}</strong> fast criteria passed
        · veraPDF PDF/UA-1: {verapdf_label}
    </p>
    """

    verapdf_block = ''
    if verapdf_run:
        compliant = verapdf.get('compliant')
        verdict_html = (
            "<span class='ok'>COMPLIANT</span>" if compliant
            else "<span class='bad'>NOT COMPLIANT</span>"
        )
        rule_rows = []
        for r in verapdf.get('failed_rule_details') or []:
            tags = ', '.join(r.get('tags') or []) or '—'
            samples = r.get('sample_errors') or []
            sample_html = ''
            if samples:
                sample_html = (
                    "<br><code>e.g. " + html.escape(samples[0]) + "</code>"
                )
            rule_rows.append(f"""
            <tr>
                <td><code>{html.escape(str(r.get('clause', '')))}-{html.escape(str(r.get('test_number', '')))}</code></td>
                <td class='center'>{r.get('failed_checks', 0)}</td>
                <td><code>{html.escape(tags)}</code></td>
                <td>{html.escape(r.get('description', ''))}{sample_html}</td>
            </tr>
            """)

        verapdf_block = f"""
        <p><strong>veraPDF verdict:</strong> {verdict_html} ·
           {verapdf.get('passed_rules', 0)} rules passed / {verapdf.get('failed_rules', 0)} failed ·
           {verapdf.get('passed_checks', 0)} checks passed / {verapdf.get('failed_checks', 0)} failed</p>
        """
        if rule_rows:
            verapdf_block += f"""
            <table class='findings-table'>
                <thead><tr><th>Clause</th><th>Failures</th><th>Tags</th><th>Description</th></tr></thead>
                <tbody>{''.join(rule_rows)}</tbody>
            </table>
            """

    rows = []
    for c in criteria:
        marker = '<span class="ok">✓</span>' if c['passed'] else '<span class="bad">✗</span>'
        detail_extra = ''
        d = c.get('detail') or {}
        if d.get('not_embedded'):
            detail_extra = f"<br><code>Non-embedded: {html.escape(', '.join(d['not_embedded']))}</code>"
        elif d.get('image_count') is not None:
            detail_extra = f"<br><code>{d.get('image_count', 0)} images on {d.get('pages_with_images', 0)} pages (first 30)</code>"
        rows.append(f"""
        <tr>
            <td class='center' style='width:50px'>{marker}</td>
            <td><code>{html.escape(c['code'])}</code></td>
            <td>{html.escape(c['title'])}</td>
            <td>{html.escape(c['note'])}{detail_extra}</td>
        </tr>
        """)

    return head + verapdf_block + f"""
    <table class='findings-table'>
        <thead><tr><th></th><th>Code</th><th>Criterion</th><th>Observation</th></tr></thead>
        <tbody>{''.join(rows)}</tbody>
    </table>
    """


def _render_generic(findings: Dict, response: str) -> str:
    """Fallback renderer for checks without a custom structured view —
    just show the response as preformatted text."""
    if response:
        return f"<pre class='response-block'>{html.escape(response)}</pre>"
    return f"<pre class='response-block'>{html.escape(json.dumps(findings, indent=2, default=str))}</pre>"


# Human-readable labels for page_type tags. Kept in sync with
# document_mode.page_classifier.PAGE_TYPE_LABELS.
_PAGE_TYPE_LABELS = {
    'cover': 'Cover',
    'checklist': 'Asset Checklist',
    'palette': 'Creative Guidance',
    'notes': 'Yellow Notes',
    'artwork': 'Artwork',
}


def _page_type_pill(page_type: str) -> str:
    label = _PAGE_TYPE_LABELS.get(page_type, page_type or 'artwork')
    cls = 'page-type-artwork' if page_type == 'artwork' else 'page-type-info'
    return f"<span class='page-type-pill {cls}'>{html.escape(label)}</span>"


def _render_page_each(findings: Dict, response: str) -> str:
    """Per-page breakdown for any page_each-scope check.

    Renders a table of pages (page_num, type, score, status) followed by
    expandable per-page response cards. Used by the Boots PPack profile
    where every check runs on every page.
    """
    page_scores = findings.get('page_scores') or {}
    page_types = findings.get('page_types') or {}
    page_responses = findings.get('page_responses') or {}
    artwork_scores = findings.get('artwork_page_scores') or {}
    informational_scores = findings.get('informational_page_scores') or {}
    failing_artwork = set(findings.get('failing_artwork_pages') or [])

    if not page_scores:
        # Fall back to the generic response dump if the dispatcher didn't
        # populate per-page data (e.g. a check raised mid-run).
        return _render_generic(findings, response)

    # Headline summary line
    head = f"""
    <p>
      Ran on <strong>{len(page_scores)}</strong> pages —
      <span class='ok'>{len(artwork_scores)}</span> artwork,
      <span class='muted'>{len(informational_scores)}</span> informational
      (informational pages don't affect Pass/Fail).
    </p>
    """

    rows = []
    for page_num, score in sorted(page_scores.items()):
        ptype = page_types.get(page_num, 'artwork')
        is_artwork = ptype == 'artwork'
        score_cls = _score_class(score)
        if is_artwork:
            status_pill = (
                '<span class="pass-pill fail">Below threshold</span>'
                if page_num in failing_artwork
                else '<span class="pass-pill pass">OK</span>'
            )
        else:
            status_pill = '<span class="pass-pill" style="background:#eef2f7;color:#4a5a72;">Informational</span>'

        response_text = page_responses.get(page_num, '')
        body = (
            f"<details class='page-response'><summary class='muted'>Show details</summary>"
            f"<pre class='response-block'>{html.escape(response_text)}</pre>"
            f"</details>"
            if response_text else ''
        )
        rows.append(f"""
        <tr>
            <td>Page {page_num}</td>
            <td>{_page_type_pill(ptype)}</td>
            <td class='{score_cls}'><strong>{score}</strong></td>
            <td>{status_pill}</td>
            <td>{body}</td>
        </tr>
        """)

    return head + f"""
    <table class='findings-table'>
        <thead>
            <tr>
                <th>Page</th><th>Page type</th><th>Score</th><th>Status</th><th>Detail</th>
            </tr>
        </thead>
        <tbody>{''.join(rows)}</tbody>
    </table>
    """


_FINDINGS_RENDERERS = {
    'axa_font_inventory': _render_font_inventory,
    'axa_phone_inventory': _render_phone_inventory,
    'axa_bold_words_definitions': _render_bold_words_violations,
    'axa_page_numbering': _render_page_numbering,
    'axa_print_code': _render_print_code,
    'axa_omg_versioning': _render_omg_versioning,
    'axa_pdf_accessibility': _render_pdf_accessibility,
    'axa_print_preflight': _render_print_preflight,
}


# ─────────────────────────────────────────────────────────────────────────────
# Main HTML report
# ─────────────────────────────────────────────────────────────────────────────


def _render_check_section(check_name: str, check_result: Dict) -> str:
    score = check_result.get('score', 0) or 0
    summary = check_result.get('summary', '')
    findings = check_result.get('findings', {}) or {}
    response = check_result.get('response', '') or ''
    scope = check_result.get('scope', '?')
    pass_flag = check_result.get('pass', False)

    renderer = _FINDINGS_RENDERERS.get(check_name)
    if renderer:
        body = renderer(findings)
    elif scope == 'page_each':
        body = _render_page_each(findings, response)
    else:
        body = _render_generic(findings, response)

    return f"""
    <details class='check-section' open>
        <summary>
            <span class='check-name'>{html.escape(check_name)}</span>
            <span class='check-meta'>
                <span class='scope-pill'>scope: {html.escape(scope)}</span>
                <span class='score-pill {_score_class(score)}'>{score}</span>
                {('<span class="pass-pill pass">Pass</span>' if pass_flag else '<span class="pass-pill fail">Fail</span>')}
            </span>
        </summary>
        <p class='check-summary'>{html.escape(summary)}</p>
        <div class='check-body'>{body}</div>
    </details>
    """


def _render_at_a_glance(check_summaries: Dict[str, Dict]) -> str:
    rows = []
    for name, s in check_summaries.items():
        score = s.get('score', 0) or 0
        rows.append(f"""
        <tr>
            <td><a href='#check-{html.escape(name)}'>{html.escape(name)}</a></td>
            <td><span class='scope-pill'>{html.escape(s.get('scope', '?'))}</span></td>
            <td class='{_score_class(score)}'><strong>{score}</strong></td>
            <td>{('<span class="pass-pill pass">Pass</span>' if s.get('pass') else '<span class="pass-pill fail">Fail</span>')}</td>
            <td>{html.escape(s.get('summary', ''))}</td>
        </tr>
        """)
    return f"""
    <table class='glance-table'>
        <thead><tr><th>Check</th><th>Scope</th><th>Score</th><th>Status</th><th>Headline finding</th></tr></thead>
        <tbody>{''.join(rows)}</tbody>
    </table>
    """


def _render_page_strip(pages: List[Dict]) -> str:
    """Per-page strip showing fonts found on each page (and image link if available)."""
    if not pages:
        return ''
    rows = []
    for p in pages:
        fonts = p.get('fonts_used') or []
        ptype = p.get('page_type', 'artwork')
        rows.append(f"""
        <details class='page-row'>
            <summary>
                <span class='page-num'>Page {p['page_num']}</span>
                {_page_type_pill(ptype)}
                <span class='font-count'>{len(fonts)} fonts</span>
            </summary>
            <p class='fonts-on-page'>{html.escape(', '.join(fonts))}</p>
        </details>
        """)
    return ''.join(rows)


def _render_html(result: Dict, original_filename: str) -> str:
    summary = result.get('document_summary', {})
    overall_score = summary.get('overall_score', 0)
    grade = summary.get('grade', '')
    check_summaries = summary.get('check_summaries', {})
    check_results = result.get('check_results', {})
    pages = result.get('pages', [])
    fonts_inventory = (result.get('ingest_metadata') or {}).get('fonts_inventory', [])

    truncated_banner = ''
    if result.get('truncated'):
        truncated_banner = f"""
        <div class='banner banner-warn'>
            ⚠️ Document has {result.get('page_count')} pages — only the first {result.get('pages_processed')} were processed.
        </div>
        """

    strict_banner = ''
    if summary.get('strict_grade'):
        violations = summary.get('strict_violations') or []
        if violations:
            # Group violations by page for readability
            by_page: Dict[int, List[Dict]] = {}
            for v in violations:
                by_page.setdefault(v['page'], []).append(v)
            page_rows = []
            for page_num, vs in sorted(by_page.items()):
                check_list = ', '.join(
                    f"<code>{html.escape(v['check'])}</code> ({v['score']})"
                    for v in vs
                )
                page_rows.append(f"<li>Page {page_num}: {check_list}</li>")
            strict_banner = f"""
            <div class='banner banner-fail'>
                <strong>Strict-grade override triggered.</strong>
                {len(violations)} artwork-page check{'s' if len(violations) != 1 else ''} scored below 6 — overall grade forced to Fail.
                <ul style='margin:6px 0 0 18px;padding:0;'>{''.join(page_rows)}</ul>
            </div>
            """
        else:
            strict_banner = """
            <div class='banner banner-ok'>
                ✓ Strict-grade override active — no artwork-page checks scored below the threshold.
            </div>
            """

    glance = _render_at_a_glance(check_summaries)
    check_sections = '\n'.join(
        f"<a id='check-{html.escape(name)}'></a>{_render_check_section(name, check_results.get(name, {}))}"
        for name in check_summaries.keys()
    )

    fonts_pill_strip = ''.join(
        f"<span class='font-pill'>{html.escape(f)}</span>" for f in fonts_inventory
    ) or '<em class="muted">No fonts captured.</em>'

    page_strip = _render_page_strip(pages)

    return f"""<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='utf-8'>
<title>QC Report — {html.escape(original_filename)}</title>
<style>
  body {{ font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; margin: 0; background: #f5f6f8; color: #222; }}
  .wrap {{ max-width: 1200px; margin: 0 auto; padding: 24px; }}
  h1 {{ margin: 0 0 4px; font-size: 22px; }}
  h2 {{ margin: 28px 0 10px; font-size: 16px; color: #111; }}
  .meta {{ color: #666; font-size: 13px; margin-bottom: 20px; }}
  .ok {{ color: #2a8a3a; }}
  .bad {{ color: #b53030; }}
  .muted {{ color: #888; }}
  .center {{ text-align: center; }}
  code {{ font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; background: #f0f0f0; padding: 1px 4px; border-radius: 3px; }}
  .overall-card {{ background: white; border-radius: 8px; padding: 20px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); margin-bottom: 16px; display: flex; align-items: center; gap: 24px; }}
  .overall-score {{ font-size: 48px; font-weight: 600; }}
  .overall-score.score-good {{ color: #2a8a3a; }}
  .overall-score.score-ok {{ color: #b58a00; }}
  .overall-score.score-bad {{ color: #b53030; }}
  .grade-badge {{ padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: 0.5px; }}
  .grade-Pass {{ background: #d6f0d8; color: #1f6a2a; }}
  .grade-Fail {{ background: #f4d4d4; color: #8a1f1f; }}
  .glance-table, .findings-table {{ width: 100%; border-collapse: collapse; background: white; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.06); margin-bottom: 12px; }}
  .glance-table th, .glance-table td, .findings-table th, .findings-table td {{ text-align: left; padding: 8px 12px; border-bottom: 1px solid #eee; font-size: 13px; vertical-align: top; }}
  .glance-table th, .findings-table th {{ background: #fafafa; font-weight: 600; color: #555; }}
  .glance-table tr:last-child td, .findings-table tr:last-child td {{ border-bottom: none; }}
  .glance-table a {{ color: #0a5fc2; text-decoration: none; }}
  .glance-table a:hover {{ text-decoration: underline; }}
  .score-good, td.score-good {{ color: #2a8a3a; }}
  .score-ok, td.score-ok {{ color: #b58a00; }}
  .score-bad, td.score-bad {{ color: #b53030; }}
  .score-pill {{ font-weight: 700; padding: 3px 10px; border-radius: 6px; background: #f0f0f0; font-size: 14px; }}
  .score-pill.score-good {{ background: #d6f0d8; color: #1f6a2a; }}
  .score-pill.score-ok {{ background: #fceac0; color: #7a5a00; }}
  .score-pill.score-bad {{ background: #f4d4d4; color: #8a1f1f; }}
  .scope-pill {{ font-size: 11px; background: #eef2f7; color: #4a5a72; padding: 2px 8px; border-radius: 999px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }}
  .pass-pill {{ font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 600; }}
  .pass-pill.pass {{ background: #d6f0d8; color: #1f6a2a; }}
  .pass-pill.fail {{ background: #f4d4d4; color: #8a1f1f; }}
  .check-section {{ background: white; border-radius: 8px; padding: 14px 18px; margin-bottom: 10px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); }}
  .check-section[open] {{ padding-bottom: 18px; }}
  .check-section summary {{ cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 12px; list-style: none; }}
  .check-section summary::-webkit-details-marker {{ display: none; }}
  .check-section summary::before {{ content: '▸'; display: inline-block; transition: transform .15s; margin-right: 6px; color: #888; }}
  .check-section[open] summary::before {{ transform: rotate(90deg); }}
  .check-section .check-name {{ font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; flex: 1; }}
  .check-section .check-meta {{ display: flex; align-items: center; gap: 8px; }}
  .check-summary {{ color: #444; font-size: 13px; margin: 8px 0 14px; padding-left: 18px; }}
  .check-body {{ padding-left: 18px; }}
  .violation-block {{ background: #fafbfc; border-left: 3px solid #b53030; padding: 8px 12px; margin: 6px 0; border-radius: 4px; }}
  .violation-block summary {{ cursor: pointer; font-size: 13px; }}
  .violation-block[open] summary {{ margin-bottom: 8px; }}
  .response-block {{ font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; background: #fafafa; padding: 10px; border-radius: 6px; max-height: 400px; overflow: auto; white-space: pre-wrap; }}
  .font-pill {{ display: inline-block; padding: 2px 8px; background: #eef2f7; border-radius: 999px; margin: 2px 4px 2px 0; font-size: 12px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }}
  .banner {{ padding: 12px 16px; border-radius: 6px; margin-bottom: 12px; font-size: 13px; }}
  .banner-warn {{ background: #fff4d6; color: #7a5a00; border: 1px solid #f0d77b; }}
  .banner-fail {{ background: #fbe5e5; color: #8a1f1f; border: 1px solid #e9b2b2; }}
  .banner-ok {{ background: #e2f4e4; color: #1f6a2a; border: 1px solid #b2d9b8; }}
  .page-type-pill {{ display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; letter-spacing: 0.3px; }}
  .page-type-pill.page-type-artwork {{ background: #d6f0d8; color: #1f6a2a; }}
  .page-type-pill.page-type-info {{ background: #eef2f7; color: #4a5a72; }}
  .page-response summary {{ cursor: pointer; font-size: 12px; padding: 4px 0; }}
  .page-row {{ background: white; padding: 6px 12px; margin-bottom: 4px; border-radius: 4px; box-shadow: 0 1px 2px rgba(0,0,0,0.04); }}
  .page-row summary {{ display: flex; justify-content: space-between; cursor: pointer; font-size: 13px; }}
  .page-num {{ font-weight: 600; }}
  .font-count {{ color: #888; font-size: 12px; }}
  .fonts-on-page {{ font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: #555; margin: 6px 0 0; }}
  .filter-bar {{ background: white; border-radius: 6px; padding: 10px 14px; margin-bottom: 8px; box-shadow: 0 1px 2px rgba(0,0,0,0.04); font-size: 13px; }}
  .filter-bar label {{ cursor: pointer; }}
</style>
</head>
<body>
  <div class='wrap'>
    <h1>QC Report — {html.escape(original_filename)}</h1>
    <div class='meta'>
      Profile: <strong>{html.escape(result.get('profile_name', ''))}</strong>
      &middot; Pages processed: {result.get('pages_processed', 0)} / {result.get('page_count', 0)}
      &middot; {html.escape(result.get('timestamp', ''))}
    </div>
    {truncated_banner}
    {strict_banner}

    <div class='overall-card'>
      <div>
        <div class='overall-score {_score_class(overall_score / 10 if overall_score else 0)}'>{overall_score}</div>
        <div style='font-size:12px;color:#666;'>Overall score (0-100)</div>
      </div>
      <div>
        <span class='grade-badge grade-{grade}'>{grade}</span>
      </div>
    </div>

    <h2>Findings at a glance</h2>
    {glance}

    <h2>Check details</h2>
    {check_sections}

    <h2>Fonts inventory</h2>
    <div class='overall-card' style='display:block;'>
      {fonts_pill_strip}
    </div>

    <h2>Per-page summary</h2>
    {page_strip}
  </div>
</body>
</html>
"""


# ─────────────────────────────────────────────────────────────────────────────
# Public entrypoint
# ─────────────────────────────────────────────────────────────────────────────


def write_document_report(
    result: Dict,
    original_filename: str,
    session_id: str,
    output_dir: str,
    output_mode: str = 'both',
) -> Dict[str, Optional[str]]:
    """Write JSON + HTML reports for a document-mode analysis.

    Args:
        result: aggregated dict from dispatcher.run_document_analysis().
        original_filename: source PDF filename (for naming + display).
        session_id: session id, used as the filename prefix.
        output_dir: pre-created client-scoped output directory.
        output_mode: 'json', 'html', or 'both'.

    Returns:
        { 'json': path or None, 'html': path or None }
    """
    os.makedirs(output_dir, exist_ok=True)
    slug = _slugify_filename(original_filename)
    paths: Dict[str, Optional[str]] = {'json': None, 'html': None}

    if output_mode in ('json', 'both'):
        json_path = os.path.join(output_dir, f"{session_id}_{slug}_data.json")
        with open(json_path, 'w', encoding='utf-8') as f:
            json.dump(result, f, indent=2, default=str)
        paths['json'] = json_path

    if output_mode in ('html', 'both'):
        html_path = os.path.join(output_dir, f"{session_id}_{slug}_report.html")
        html_doc = _render_html(result, original_filename)
        with open(html_path, 'w', encoding='utf-8') as f:
            f.write(html_doc)
        paths['html'] = html_path

    return paths