"""队名归一化:各源队名 → 统一规范名。

迁移自旧项目 app/data/team_names.py。

NFKD 归一化会剥离变音符号(ü→u),导致「Bayern München」与「Bayern Munich」
映射到不同规范名。修复:双重查找(原始名 + NFKD 名) + 补齐常见变体键。
"""
from __future__ import annotations

import unicodedata

NORMALIZE_MAP = {
    # ---- 英超 ----
    "Man City": "Manchester City",
    "Man United": "Manchester United",
    "Newcastle": "Newcastle United",
    "Nott'm Forest": "Nottingham Forest",
    "Wolves": "Wolverhampton Wanderers",
    "West Ham": "West Ham United",
    "Tottenham": "Tottenham Hotspur",
    "Spurs": "Tottenham Hotspur",
    "Brighton": "Brighton and Hove Albion",
    "West Brom": "West Bromwich Albion",
    "Stoke": "Stoke City",
    "Huddersfield": "Huddersfield Town",
    "Swansea": "Swansea City",
    "Hull": "Hull City",
    "Cardiff": "Cardiff City",
    "Luton": "Luton Town",
    "Norwich": "Norwich City",
    "Bournemouth": "AFC Bournemouth",
    "Ipswich": "Ipswich Town",
    "Leicester": "Leicester City",
    "Leeds": "Leeds United",
    "Sheffield United": "Sheffield United",
    "Southampton": "Southampton",
    "Arsenal": "Arsenal",
    "Aston Villa": "Aston Villa",
    "Brentford": "Brentford",
    "Chelsea": "Chelsea",
    "Crystal Palace": "Crystal Palace",
    "Everton": "Everton",
    "Fulham": "Fulham",
    "Liverpool": "Liverpool",
    # ---- 西甲 ----
    "Atletico Madrid": "Atlético Madrid",
    "Athletic Club": "Athletic Club",
    "Real Betis": "Real Betis",
    "Celta Vigo": "Celta Vigo",
    "Deportivo Alaves": "Deportivo Alavés",
    "Girona": "Girona",
    "Las Palmas": "Las Palmas",
    "Leganes": "Leganés",
    "Mallorca": "Mallorca",
    "Osasuna": "Osasuna",
    "Rayo Vallecano": "Rayo Vallecano",
    "Real Sociedad": "Real Sociedad",
    "Sevilla": "Sevilla",
    "Valencia": "Valencia",
    "Villarreal": "Villarreal",
    "Espanyol": "Espanyol",
    "Getafe": "Getafe",
    "Real Madrid": "Real Madrid",
    "Barcelona": "Barcelona",
    # ---- 德甲 ----
    "Bayern Munich": "Bayern München",
    "Bayern Munchen": "Bayern München",  # NFKD stripped variant
    "Bayern München": "Bayern München",  # canonical with umlaut (direct hit)
    "FC Koln": "FC Köln",
    "FC Köln": "FC Köln",
    "RB Leipzig": "RB Leipzig",
    "Borussia Dortmund": "Borussia Dortmund",
    "Borussia M'gladbach": "Borussia Mönchengladbach",
    "Borussia Monchengladbach": "Borussia Mönchengladbach",  # NFKD stripped
    "Borussia Mönchengladbach": "Borussia Mönchengladbach",  # canonical
    "Bayer Leverkusen": "Bayer Leverkusen",
    "Eintracht Frankfurt": "Eintracht Frankfurt",
    "VfB Stuttgart": "VfB Stuttgart",
    "VfL Wolfsburg": "VfL Wolfsburg",
    "Werder Bremen": "Werder Bremen",
    "TSG Hoffenheim": "TSG Hoffenheim",
    "SC Freiburg": "SC Freiburg",
    "Union Berlin": "Union Berlin",
    "Mainz": "Mainz 05",
    "Augsburg": "FC Augsburg",
    "Bochum": "VfL Bochum",
    "Heidenheim": "1. FC Heidenheim",
    "St. Pauli": "FC St. Pauli",
    "Holstein Kiel": "Holstein Kiel",
    # ---- 意甲 ----
    "AC Milan": "AC Milan",
    "Inter": "Inter Milan",
    "Inter Milan": "Inter Milan",
    "Juventus": "Juventus",
    "Napoli": "SSC Napoli",
    "Roma": "AS Roma",
    "Lazio": "Lazio",
    "Atalanta": "Atalanta",
    "Fiorentina": "ACF Fiorentina",
    "Bologna": "Bologna",
    "Torino": "Torino",
    "Monza": "AC Monza",
    "Udinese": "Udinese",
    "Sassuolo": "Sassuolo",
    "Empoli": "Empoli",
    "Cagliari": "Cagliari",
    "Genoa": "Genoa",
    "Lecce": "Lecce",
    "Hellas Verona": "Hellas Verona",
    "Parma": "Parma",
    "Como": "Como",
    "Venezia": "Venezia",
    # ---- 法甲 ----
    "PSG": "Paris Saint-Germain",
    "Paris Saint-Germain": "Paris Saint-Germain",
    "Marseille": "Olympique Marseille",
    "Lyon": "Olympique Lyonnais",
    "Monaco": "AS Monaco",
    "Lille": "Lille OSC",
    "Nice": "OGC Nice",
    "Rennes": "Stade Rennais",
    "Lens": "RC Lens",
    "Strasbourg": "RC Strasbourg",
    "Brest": "Stade Brestois",
    "Nantes": "FC Nantes",
    "Reims": "Stade de Reims",
    "Toulouse": "Toulouse FC",
    "Montpellier": "Montpellier HSC",
    "Le Havre": "Le Havre AC",
    "Lorient": "FC Lorient",
    "Saint-Etienne": "AS Saint-Étienne",
    "Saint-Etienne": "AS Saint-Étienne",  # NFKD stripped (ê → e)
    "AS Saint-Étienne": "AS Saint-Étienne",  # canonical prefix
    "AS Saint-Etienne": "AS Saint-Étienne",  # NFKD stripped with prefix
    "Angers": "Angers SCO",
    "Auxerre": "AJ Auxerre",
    "Leganes": "Leganés",
}


def normalize(name: str) -> str:
    """队名归一化:变音符号变体 → 统一规范名。

    双重查找策略:
      1. 原始名(带变音)直接查表
      2. NFKD 去变音后再查表

    确保「Bayern München」「Bayern Munchen」「Bayern Munich」
    都映射到同一规范名「Bayern München」。
    """
    if not name:
        return ""

    # 1. 原始名直接查表(保留变音变体)
    stripped = name.strip()
    if stripped in NORMALIZE_MAP:
        return NORMALIZE_MAP[stripped]

    # 2. NFKD 去变音后查表
    n = unicodedata.normalize("NFKD", stripped)
    n = "".join(c for c in n if not unicodedata.combining(c))
    n = n.strip()
    return NORMALIZE_MAP.get(n, n)