import os
from dotenv import load_dotenv

load_dotenv()

# Bitfinex API
BFX_API_KEY = os.getenv("BFX_API_KEY", "")
BFX_API_SECRET = os.getenv("BFX_API_SECRET", "")
BFX_BASE_URL = "https://api-pub.bitfinex.com"
BFX_AUTH_URL = "https://api.bitfinex.com"

# Slack
SLACK_WEBHOOK_URL = os.getenv("SLACK_WEBHOOK_URL", "")

# Top USDT trading pairs on Bitfinex (verified active)
# Note: some use "tXXXUST" format, others use "tXXX:UST" (5+ char base)
TOP_15_SYMBOLS = [
    "tBTCUST", "tETHUST", "tSOLUST", "tXRPUST", "tADAUST",
    "tDOGE:UST", "tAVAX:UST", "tDOTUST", "tLINK:UST", "tLTCUST",
    "tSHIB:UST", "tATOUST", "tUNIUST", "tSUIUST", "tXLMUST",
]

# Symbol display names for readability
SYMBOL_NAMES = {
    "tBTCUST": "BTC/USDT", "tETHUST": "ETH/USDT", "tSOLUST": "SOL/USDT",
    "tXRPUST": "XRP/USDT", "tADAUST": "ADA/USDT", "tDOGE:UST": "DOGE/USDT",
    "tAVAX:UST": "AVAX/USDT", "tDOTUST": "DOT/USDT", "tLINK:UST": "LINK/USDT",
    "tLTCUST": "LTC/USDT", "tSHIB:UST": "SHIB/USDT", "tATOUST": "ATOM/USDT",
    "tUNIUST": "UNI/USDT", "tSUIUST": "SUI/USDT", "tXLMUST": "XLM/USDT",
}

# Candle settings
CANDLE_TIMEFRAME = "5m"
CANDLE_LIMIT = 100
HTF_TIMEFRAME = "1h"
HTF_CANDLE_LIMIT = 50

# Trading parameters
MIN_ORDER_USDT = 5
MIN_ORDER_AMOUNT = {
    "tBTCUST": 0.00004, "tETHUST": 0.0008, "tDOTUST": 0.2,
    "tSUIUST": 2.0, "tSOLUST": 0.02, "tLTCUST": 0.04,
    "tADAUST": 4.0, "tAVAX:UST": 0.08, "tUNIUST": 0.2,
    "tLINK:UST": 0.2, "tXRPUST": 4.0, "tSHIB:UST": 141010.0,
    "tDOGE:UST": 22.0, "tATOUST": 0.02, "tXLMUST": 4.0,
}
# ATR-based dynamic stop-loss
ATR_SL_MULTIPLIER = 3.0       # stop = entry - ATR × multiplier
ATR_SL_MIN_PCT = 0.03         # 下限：不低於 3%（低波動期等同現行）
ATR_SL_MAX_PCT = 0.08         # 上限：不超過 8%
STOP_LOSS_PCT = 0.08           # 安全網用上限值（防止交易所 stop 失敗時過早觸發）
TAKE_PROFIT_PCT = 0.15

# LLM SELL profit-tiered thresholds (5 層遞減)
LLM_SELL_MIN_PROFIT_PCT = 0.01    # < 1% 不賣
LLM_SELL_TIERS = [
    # (獲利上限, 最低信心)
    (0.02, 0.7),   # 1-2%  需信心 ≥ 0.7
    (0.03, 0.6),   # 2-3%  需信心 ≥ 0.6
    (0.05, 0.5),   # 3-5%  需信心 ≥ 0.5
    (None,  0.4),  # ≥ 5%  需信心 ≥ 0.4
]
MAX_POSITION_PCT = 0.30       # Max 30% of portfolio per coin
MAX_TOTAL_EXPOSURE_PCT = 1.00  # No cap — use full balance

# Mode
PAPER_TRADING = os.getenv("PAPER_TRADING", "true").lower() == "true"

# Cache
CACHE_DIR = "cache/"
CANDLES_CACHE_DIR = os.path.join(CACHE_DIR, "candles/")
INDICATORS_CACHE_DIR = os.path.join(CACHE_DIR, "indicators/")

# Positions file
POSITIONS_FILE = "positions.json"

# Cost basis sync
COST_TRACKING_FILE = "cost_tracking.json"
INIT_COST_BASIS_START_MS = 1773100800000  # 2026-03-10 00:00:00 UTC

# Schedule
RUN_INTERVAL_MINUTES = 5
STATUS_REPORT_INTERVAL_MINUTES = 60