#!/usr/bin/env python3
import sys
import os
import re

BASE_DIR = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
sys.path.insert(0, os.path.join(BASE_DIR, "refer_landing_page", "scripts", "extract"))

MONTH_MAP = {
    "january": "01", "jan": "01", "february": "02", "feb": "02", "march": "03", "mar": "03",
    "april": "04", "apr": "04", "may": "05", "june": "06", "jun": "06", "july": "07", "jul": "07",
    "august": "08", "aug": "08", "september": "09", "sep": "09", "sept": "09", "october": "10",
    "oct": "10", "november": "11", "nov": "11", "december": "12", "dec": "12"
}

def verify():
    from generate_all import parse_members, parse_publications, parse_lectures, parse_standards

    active_m, alumni_m = parse_members()
    intl_p, dom_p, pat_p = parse_publications()
    semesters = parse_lectures()
    bodies = parse_standards()

    total_pubs = len(intl_p) + len(dom_p) + len(pat_p)
    std_docs_count = sum(len(p["documents"]) for b in bodies for p in b["projects"])

    print("=== DATA VERIFICATION GATE (AC-07 / AC-08 / AC-10 / AC-11 / VOLUME CROSS-CHECK) ===")
    print(f"Active Members: {len(active_m)} (Expected: 16)")
    print(f"Alumni: {len(alumni_m)} (Expected: 60)")
    print(f"International Papers: {len(intl_p)} (Expected: 68)")
    print(f"Domestic Papers: {len(dom_p)} (Expected: 80)")
    print(f"Patents: {len(pat_p)} (Expected: 75)")
    print(f"Total Publications: {total_pubs} (Expected: 223)")
    print(f"Lectures Semesters: {len(semesters)} (Expected: 45)")
    print(f"Standard Bodies: {len(bodies)} (Expected: 6)")
    print(f"Standard Documents: {std_docs_count} (Expected: 44)")

    errors = []

    # 1. Count checks
    if len(active_m) != 16:
        errors.append(f"Active Members count mismatch: got {len(active_m)}, expected 16")
    if len(alumni_m) != 60:
        errors.append(f"Alumni count mismatch: got {len(alumni_m)}, expected 60")
    if len(intl_p) != 68:
        errors.append(f"International Papers count mismatch: got {len(intl_p)}, expected 68")
    if len(dom_p) != 80:
        errors.append(f"Domestic Papers count mismatch: got {len(dom_p)}, expected 80")
    if len(pat_p) != 75:
        errors.append(f"Patents count mismatch: got {len(pat_p)}, expected 75")
    if total_pubs != 223:
        errors.append(f"Total Publications count mismatch: got {total_pubs}, expected 223")
    if len(semesters) != 45:
        errors.append(f"Semesters count mismatch: got {len(semesters)}, expected 45")
    if len(bodies) != 6:
        errors.append(f"Standard Bodies count mismatch: got {len(bodies)}, expected 6")
    if std_docs_count != 44:
        errors.append(f"Standard Documents count mismatch: got {std_docs_count}, expected 44")

    # 2. File checks (BOM, Strict ISO 8601, and Semantic Date Ranges)
    content_dir = os.path.join(BASE_DIR, "content")
    date_regex = re.compile(r'^(19|20)\d{2}(-(0[1-9]|1[0-2]))?(-(0[1-9]|[12]\d|3[01]))?$')

    for fname in ["members.ts", "publications.ts", "lectures.ts", "standards.ts"]:
        fpath = os.path.join(content_dir, fname)
        if not os.path.exists(fpath):
            errors.append(f"Missing content file: {fname}")
            continue
        with open(fpath, "r", encoding="utf-8") as f:
            text = f.read()

        if text.startswith('\ufeff'):
            errors.append(f"BOM (U+FEFF) found in {fname}")

        dates = re.findall(r'"(publishedAt|applicationAt|registrationAt|graduatedAt)": "([^"]+)"', text)
        for k, d in dates:
            if not date_regex.match(d):
                errors.append(f"Invalid ISO 8601 or out-of-bounds date in {fname}: {k}='{d}'")

    # 3. Volume Cross-Check for Publications (Ensures volume year matches publishedAt year)
    for pub in intl_p + dom_p:
        vol = pub.get("volume", "")
        pub_date = pub.get("publishedAt", "")
        if not pub_date:
            errors.append(f"Missing publishedAt for paper: {pub.get('title')}")
            continue

        # Look for English month + 19XX/20XX year or Korean YYYY년 MM월
        m_txt = re.search(r'([A-Za-z]+)\.?\s*,?\s*((?:19|20)\d{2})', vol)
        m_kor = re.search(r'((?:19|20)\d{2})년\s*(\d{1,2})월', vol)
        m_kor2 = re.search(r'(\d{1,2})월\s*,?\s*((?:19|20)\d{2})', vol)

        expected_yr = None
        if m_txt:
            mo_str = m_txt.group(1).lower().rstrip('.')
            if mo_str in MONTH_MAP:
                expected_yr = m_txt.group(2)
        elif m_kor:
            expected_yr = m_kor.group(1)
        elif m_kor2:
            expected_yr = m_kor2.group(2)

        if expected_yr and not pub_date.startswith(expected_yr):
            errors.append(f"Volume date mismatch for '{pub.get('title')}': volume has {expected_yr}, publishedAt is {pub_date}")

    if errors:
        print(f"\n❌ DATA VERIFICATION FAILED ({len(errors)} errors):")
        for err in errors:
            print(f" - {err}")
        sys.exit(1)
    else:
        print("\n✅ ALL DATA VERIFICATION GATES PASSED CLEAN (Exit Code 0)")
        sys.exit(0)

if __name__ == "__main__":
    verify()