"""
Constantes de mapping entre les noms canoniques du projet
et les symboles/intervalles propres à chaque source de données.
"""

# ── Limites yfinance (jours de données disponibles par granularité) ──────────
YF_MAX_DAYS: dict[str, int] = {
    "M1": 7,
    "M5": 60,
    "M15": 60,
    "M30": 60,
    "H1": 730,
    "H4": 730,
    "D": 9999,
}

# ── Durée d'une bougie en minutes ─────────────────────────────────────────────
GRANULARITY_MINUTES: dict[str, int] = {
    "M1": 1,
    "M5": 5,
    "M15": 15,
    "M30": 30,
    "H1": 60,
    "H4": 240,
    "D": 1440,
}

# ── Mapping vers les intervalles yfinance ─────────────────────────────────────
GRANULARITY_TO_YF: dict[str, str] = {
    "M1": "1m",
    "M5": "5m",
    "M15": "15m",
    "M30": "30m",
    "H1": "1h",
    "H4": "4h",
    "D": "1d",
}

# ── Mapping vers les intervalles TwelveData ───────────────────────────────────
GRANULARITY_TO_TD: dict[str, str] = {
    "M1": "1min",
    "M5": "5min",
    "M15": "15min",
    "M30": "30min",
    "H1": "1h",
    "H4": "4h",
    "D": "1day",
}

# ── Mapping instrument → symbole yfinance ─────────────────────────────────────
INSTRUMENT_TO_YF: dict[str, str] = {
    "EUR_USD":    "EURUSD=X",
    "GBP_USD":    "GBPUSD=X",
    "USD_JPY":    "USDJPY=X",
    "USD_CHF":    "USDCHF=X",
    "AUD_USD":    "AUDUSD=X",
    "USD_CAD":    "USDCAD=X",
    "GBP_JPY":    "GBPJPY=X",
    "EUR_JPY":    "EURJPY=X",
    "EUR_GBP":    "EURGBP=X",
    "SPX500_USD": "^GSPC",
    "NAS100_USD": "^NDX",
    "XAU_USD":    "GC=F",
    "US30_USD":   "YM=F",
}

# ── Mapping instrument → symbole TwelveData ───────────────────────────────────
INSTRUMENT_TO_TD: dict[str, str] = {
    "EUR_USD":    "EUR/USD",
    "GBP_USD":    "GBP/USD",
    "USD_JPY":    "USD/JPY",
    "USD_CHF":    "USD/CHF",
    "AUD_USD":    "AUD/USD",
    "USD_CAD":    "USD/CAD",
    "GBP_JPY":    "GBP/JPY",
    "EUR_JPY":    "EUR/JPY",
    "EUR_GBP":    "EUR/GBP",
    "SPX500_USD": "SPY",
    "NAS100_USD": "QQQ",
    "XAU_USD":    "XAU/USD",
    "US30_USD":   "DJI",
}