#!/usr/bin/env python3
"""Replace 'Static historical fact' temporal answers with source-attributed answers."""
import re, glob, os

# Known ancient source dates
ANCIENT_SOURCE_DATES = {
    'herodotus': '~430 BCE',
    'plutarch': '~75 CE',
    'arrian': '~130 CE',
    'ammianus': '~390 CE',
    'caesar': '~50 BCE',
    'frontinus': '~97 CE',
    'cassius dio': '~229 CE',
    'strabo': '~23 CE',
    'polybius': '~150 BCE',
    'thucydides': '~400 BCE',
    'livy': '~10 CE',
    'tacitus': '~110 CE',
    'suetonius': '~121 CE',
    'diodorus': '~50 BCE',
    'appian': '~160 CE',
    'xenophon': '~370 BCE',
    'pausanias': '~175 CE',
    'josephus': '~94 CE',
    'pliny': '~77 CE',
    'vitruvius': '~30 BCE',
}

def extract_year(citation):
    """Extract publication year from a modern citation like '(Cambridge, 2005)'."""
    m = re.search(r'\b(1[89]\d{2}|20[0-2]\d)\b', citation)
    return m.group(1) if m else None

def get_source_date(citation):
    """Get the date a source was written/published."""
    cl = citation.lower()
    # Check for modern publication year first — if present, this is a modern source
    # even if it mentions an ancient author's name (e.g., "Goldsworthy, *Caesar*")
    modern_year = extract_year(citation)
    # Only match ancient sources if there's no modern publication year
    if not modern_year:
        for name, date in ANCIENT_SOURCE_DATES.items():
            if name in cl:
                return date
    if modern_year:
        return modern_year
    return None

def parse_footnotes(content):
    """Extract footnote definitions from document."""
    footnotes = {}
    for m in re.finditer(r'^\[\^(\d+)\]:\s*(.+)$', content, re.MULTILINE):
        num = m.group(1)
        text = m.group(2).strip()
        footnotes[num] = text
    return footnotes

def extract_event_date(question_desc):
    """Try to extract a date from the question description."""
    # Look for BCE dates
    m = re.search(r'~?(\d+)\s*BCE', question_desc)
    if m:
        return f"{m.group(1)} BCE"
    # Look for CE dates
    m = re.search(r'(\d+)\s*CE', question_desc)
    if m:
        return f"{m.group(1)} CE"
    return None

def build_source_attribution(footnotes):
    """Build a source attribution string from document footnotes."""
    parts = []
    for num, text in sorted(footnotes.items(), key=lambda x: int(x[0])):
        date = get_source_date(text)
        # Shorten the citation for the answer
        short = text.split(',')[0] if ',' in text else text.split('(')[0].strip()
        if date:
            parts.append(f"{short} ({date}) [^{num}]")
        else:
            parts.append(f"{short} [^{num}]")
    return '; '.join(parts) if parts else None

def fix_file(filepath):
    """Fix lazy temporal answers in a single file."""
    with open(filepath, 'r') as f:
        content = f.read()

    if 'Static historical' not in content:
        return 0

    footnotes = parse_footnotes(content)
    attribution = build_source_attribution(footnotes)
    if not attribution:
        attribution = "source not yet identified"

    count = 0
    lines = content.split('\n')
    new_lines = []
    i = 0
    while i < len(lines):
        line = lines[i]
        # Check if next line is a lazy temporal answer
        if (i + 1 < len(lines) and
            '`@q[temporal]`' in line and
            lines[i+1].startswith('> Static historical')):

            new_lines.append(line)  # keep the question

            # Extract date context from the question
            event_date = extract_event_date(line)
            date_prefix = f"{event_date} event." if event_date else "Historical event."

            # Check if it's a scholarly interpretation
            old_answer = lines[i+1]
            if 'interpretation' in old_answer.lower() or 'scholarly' in old_answer.lower():
                new_answer = f"> Scholarly interpretation. {attribution}."
            else:
                bce_note = " BCE temporal tags not yet supported by factbase." if event_date and 'BCE' in event_date else ""
                new_answer = f"> {date_prefix} Attested by {attribution}.{bce_note}"

            new_lines.append(new_answer)
            count += 1
            i += 2
        else:
            new_lines.append(line)
            i += 1

    if count > 0:
        with open(filepath, 'w') as f:
            f.write('\n'.join(new_lines))

    return count

# Process all markdown files
total = 0
for filepath in sorted(glob.glob('/home/ubuntu/work/factbase-ancient-history/**/*.md', recursive=True)):
    if '/.git/' in filepath or '/.automate/' in filepath or '/.kiro/' in filepath or '/.factbase/' in filepath:
        continue
    fixed = fix_file(filepath)
    if fixed > 0:
        print(f"  {os.path.relpath(filepath, '/home/ubuntu/work/factbase-ancient-history')}: {fixed} answers fixed")
        total += fixed

print(f"\nTotal: {total} lazy temporal answers replaced with source-attributed answers")