#!/usr/bin/env python3
"""D v3: enrichment with Wikipedia search API + DuckDuckGo as fallback."""
import re, json, time, sys
import urllib.request, urllib.parse
import psycopg2

DB = dict(host="localhost", port=5432, dbname="rinet_v3", user="rinet", password="R1net2026!SecureDB#v7")
UA = "Mozilla/5.0 (PGZSportBot/1.0)"

def out(msg):
    print(msg, flush=True)

def http_get(url, timeout=10):
    try:
        req = urllib.request.Request(url, headers={"User-Agent": UA, "Accept-Language": "hr,en"})
        with urllib.request.urlopen(req, timeout=timeout) as r:
            return r.read().decode("utf-8", errors="replace")
    except Exception as e:
        return None

def wiki_search(query, lang="hr"):
    enc = urllib.parse.quote(query)
    url = f"https://{lang}.wikipedia.org/w/api.php?action=opensearch&search={enc}&limit=5&format=json"
    raw = http_get(url)
    if not raw: return []
    try:
        d = json.loads(raw)
        return list(zip(d[1], d[3]))
    except Exception:
        return []

def wiki_summary(title, lang="hr"):
    enc = urllib.parse.quote(title.replace(" ", "_"))
    url = f"https://{lang}.wikipedia.org/api/rest_v1/page/summary/{enc}"
    raw = http_get(url)
    if not raw: return None
    try: return json.loads(raw)
    except Exception: return None

SPORT_KW = ("sport", "klub", "olimp", "natjec", "atlet", "vater", "ronil", "kuglač",
            "boćar", "skij", "karat", "kickbox", "wushu", "biciklist", "plivat", "plivač",
            "athlete", "compet", "wrestle", "swimmer", "boxer", "diver", "skier", "sailor",
            "vesla", "gimnast", "rukomet", "košark", "tenisa", "šahist", "ribolov",
            "ju-jitsu", "jujits", "automob", "rally", "racing", "freediv", "apnea", "free diving")

def main():
    conn = psycopg2.connect(**DB); conn.autocommit = True
    cr = conn.cursor()
    cr.execute("""SELECT DISTINCT c.id, c.ime, c.prezime, c.sport, c.kategorija_hoo, k.naziv 
                  FROM pgz_sport.clanovi c LEFT JOIN pgz_sport.klubovi k ON k.id = c.klub_id
                  WHERE (c.kategorija_hoo IN (1, 2, 3) 
                     OR c.id IN (SELECT DISTINCT clan_id FROM pgz_sport.clan_nagrada 
                                 WHERE clan_id IS NOT NULL AND razina_natjecanja IN ('SP','EP','OI','SK')))
                    AND (c.biografija IS NULL OR LENGTH(c.biografija) < 200)
                  ORDER BY c.kategorija_hoo NULLS LAST LIMIT 150""")
    targets = cr.fetchall()
    out(f"Targets: {len(targets)}")
    
    enriched = 0; tried = 0
    
    for tid, ime, prez, sport, kat, klub in targets:
        tried += 1
        full = f"{ime} {prez}"
        
        found = False
        for lang in ["hr", "en"]:
            # Try search
            results = wiki_search(full, lang)
            for title, url_link in results[:3]:
                if "razdvojba" in title.lower() or "disambiguation" in title.lower(): continue
                s = wiki_summary(title, lang)
                if not s: continue
                if s.get("type") not in ("standard", None): continue
                extract = (s.get("extract") or "").strip()
                if not extract or len(extract) < 80: continue
                # Match: must contain at least sport keyword AND surname
                tlower = (extract + " " + (s.get("description") or "")).lower()
                if prez.lower() not in tlower: continue  # not about same person
                if not any(kw in tlower for kw in SPORT_KW): continue
                
                wurl = (s.get("content_urls") or {}).get("desktop", {}).get("page")
                if not wurl: continue
                
                try:
                    cr.execute("""UPDATE pgz_sport.clanovi 
                                  SET biografija = %s,
                                      source_url = COALESCE(source_url, %s),
                                      source_synced_at = now()
                                  WHERE id = %s""",
                               (extract[:1500], wurl, tid))
                    cr.execute("""INSERT INTO dabi.knowledge (fact, source, confidence, category, created_at)
                                  VALUES (%s, %s, %s, %s, now()) ON CONFLICT DO NOTHING""",
                               (f"{full} ({sport or '?'}, {klub or 'PGŽ'}) — {extract[:600]} (Wikipedia {lang.upper()})"[:2000],
                                f"wikipedia_{lang}", 0.9, "biografija_sportasa"))
                    enriched += 1
                    out(f"  ✓ [{lang}] {full} matched: {title} - {len(extract)} chars")
                    found = True
                    break
                except Exception as e:
                    out(f"  ERR {full}: {e}")
                time.sleep(0.2)
            if found: break
        
        if tried % 25 == 0:
            out(f"  Progress: tried={tried} enriched={enriched}")
        time.sleep(0.2)
    
    out(f"=== DONE: tried={tried} enriched={enriched} ===")
    conn.close()

if __name__ == "__main__":
    main()