#!/usr/bin/env python3
"""D.6 — Scrape HNL + 2.HNL + 3.HNL into natjecanja_tablice."""
import requests, re, html as h_unesc, psycopg2

DB = dict(host="localhost", port=5432, dbname="rinet_v3",
          user="rinet", password="R1net2026!SecureDB#v7")
UA = "RiNET-Civic/1.0"
s = requests.Session()
s.headers.update({"User-Agent": UA})

def fetch(url):
    try:
        r = s.get(url, timeout=15)
        return r.text if r.status_code == 200 else None
    except: return None

def find_table_with_header(html_text, header_marker="Klub"):
    """Find table that contains 'Klub' in header."""
    tables = re.findall(r'<table[^>]*>.*?</table>', html_text, re.DOTALL)
    for t in tables:
        rows = re.findall(r'<tr[^>]*>(.*?)</tr>', t, re.DOTALL)
        if not rows: continue
        h_cells = re.findall(r'<t[hd][^>]*>(.*?)</t[hd]>', rows[0], re.DOTALL)
        h_clean = [re.sub(r'<[^>]+>', '', c).strip() for c in h_cells]
        if any(header_marker in h for h in h_clean):
            return rows
    return None

def parse_standings_rows(rows):
    """Parse rows; expect first is header."""
    out = []
    for row in rows[1:]:
        cells = re.findall(r'<t[hd][^>]*>(.*?)</t[hd]>', row, re.DOTALL)
        cleaned = [re.sub(r'<[^>]+>', '', h_unesc.unescape(c)).strip() for c in cells]
        if len(cleaned) < 8: continue
        try:
            poz = int(cleaned[0].rstrip('.'))
            klub = cleaned[1]
            odigrano = int(cleaned[2])
            pobjede = int(cleaned[3])
            nerij = int(cleaned[4])
            porazi = int(cleaned[5])
            gz = int(cleaned[6])
            gp = int(cleaned[7])
            razl = int(cleaned[8].replace('+','').replace('−','-'))
            bod = int(cleaned[9])
            out.append({"poz":poz,"klub":klub,"odigrano":odigrano,"pobjede":pobjede,
                       "nerij":nerij,"porazi":porazi,"gz":gz,"gp":gp,"razl":razl,"bod":bod})
        except (ValueError, IndexError):
            continue
    return out

# === Sources ===
LIGE = [
    ("https://hnl.hr/", "SuperSport HNL", "1.HNL", "supersport_hnl_2025_2026", "2025/2026"),
]

conn = psycopg2.connect(**DB); conn.autocommit = True
cr = conn.cursor()

def find_klub(naziv):
    # HNK / NK prefixes
    for q in [f"HNK {naziv}", f"NK {naziv}", naziv, f"%{naziv}%"]:
        cr.execute("SELECT id FROM pgz_sport.klubovi WHERE LOWER(naziv) ILIKE LOWER(%s) AND id != 4426 AND LOWER(sport) LIKE '%%nogomet%%' LIMIT 1", (q,))
        r = cr.fetchone()
        if r: return r[0]
    cr.execute("SELECT id FROM pgz_sport.klubovi WHERE LOWER(naziv) ILIKE LOWER(%s) AND id != 4426 LIMIT 1", (f"%{naziv}%",))
    r = cr.fetchone()
    return r[0] if r else None

for url, naziv, razina, ext_id, sezona in LIGE:
    print(f"=== {naziv} ===")
    body = fetch(url)
    if not body: print("  fetch failed"); continue
    rows = find_table_with_header(body, "Klub")
    if not rows: print("  no table found"); continue
    parsed = parse_standings_rows(rows)
    print(f"  {len(parsed)} rows parsed")
    
    cr.execute("SELECT id FROM pgz_sport.natjecanja WHERE source='hns_manual' AND external_id=%s", (ext_id,))
    nid = cr.fetchone()[0]
    cr.execute("DELETE FROM pgz_sport.natjecanja_tablice WHERE natjecanje_id=%s", (nid,))
    
    matched = 0
    for r in parsed:
        kid = find_klub(r["klub"])
        if kid: matched += 1
        cr.execute("""INSERT INTO pgz_sport.natjecanja_tablice
                      (natjecanje_id, klub_id, klub_naziv, pozicija, odigrano, pobjede, nerijeseno, 
                       porazi, gol_z, gol_p, gol_razlika, bodovi)
                      VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)""",
                   (nid, kid, r["klub"][:200], r["poz"], r["odigrano"], r["pobjede"],
                    r["nerij"], r["porazi"], r["gz"], r["gp"], r["razl"], r["bod"]))
    print(f"  matched klub_id: {matched}/{len(parsed)}")

# Verify Rijeka
cr.execute("""SELECT pozicija, klub_naziv, bodovi FROM pgz_sport.natjecanja_tablice 
              WHERE klub_naziv ILIKE '%Rijeka%' AND natjecanje_id IN (SELECT id FROM pgz_sport.natjecanja WHERE source='hns_manual')""")
for r in cr.fetchall():
    print(f"  {r}")

conn.close()