"""
AlphaPulse Bot — "This Day in Crypto" Historical Events Database

Curated crypto milestones indexed by (month, day).
Each event: {'year': int, 'event': str, 'icon': str}
"""

CRYPTO_HISTORY = {
    # ── January ──────────────────────────────────────────────────────────────
    (1, 3):  [{'year': 2009, 'event': 'Bitcoin Genesis Block mined by Satoshi Nakamoto', 'icon': '⛏️'}],
    (1, 9):  [{'year': 2009, 'event': 'Bitcoin v0.1 software released to the world', 'icon': '💾'}],
    (1, 10): [{'year': 2024, 'event': 'SEC approves first US spot Bitcoin ETFs', 'icon': '📜'}],
    (1, 12): [{'year': 2009, 'event': 'First Bitcoin transaction: Satoshi sends 10 BTC to Hal Finney', 'icon': '📤'}],
    (1, 15): [{'year': 2018, 'event': 'Bitcoin drops below $10K after hitting $20K ATH — bear market begins', 'icon': '📉'}],
    (1, 27): [{'year': 2014, 'event': 'Charlie Shrem arrested for money laundering via Bitcoin', 'icon': '⚖️'}],

    # ── February ─────────────────────────────────────────────────────────────
    (2, 7):  [{'year': 2014, 'event': 'Mt. Gox halts all Bitcoin withdrawals, panic begins', 'icon': '🚨'}],
    (2, 8):  [{'year': 2021, 'event': 'Tesla buys $1.5B in Bitcoin, BTC pumps past $44K', 'icon': '🚗'}],
    (2, 12): [{'year': 2021, 'event': 'BNY Mellon announces Bitcoin custody services', 'icon': '🏦'}],
    (2, 19): [{'year': 2021, 'event': 'Bitcoin market cap exceeds $1 trillion for first time', 'icon': '🏆'}],
    (2, 24): [{'year': 2014, 'event': 'Mt. Gox goes offline, 850K BTC lost in biggest crypto hack', 'icon': '💀'}],
    (2, 28): [{'year': 2014, 'event': 'Mt. Gox files for bankruptcy in Tokyo', 'icon': '📉'}],

    # ── March ────────────────────────────────────────────────────────────────
    (3, 11): [{'year': 2020, 'event': 'WHO declares COVID-19 pandemic — crypto about to crash', 'icon': '🦠'}],
    (3, 12): [{'year': 2020, 'event': 'Black Thursday: BTC crashes 50% in 24h to $3,800', 'icon': '📉'}],
    (3, 13): [{'year': 2021, 'event': 'Bitcoin breaks $60,000 for the first time', 'icon': '🚀'}],
    (3, 14): [{'year': 2024, 'event': 'Bitcoin hits new ATH of $73,750 ahead of halving', 'icon': '🏔️'}],
    (3, 22): [{'year': 2018, 'event': 'Twitter bans crypto advertising, following Google and Facebook', 'icon': '🚫'}],
    (3, 23): [{'year': 2021, 'event': 'Beeple NFT sells for $69M at Christie\'s — NFT mania peaks', 'icon': '🎨'},
              {'year': 2025, 'event': 'MicroStrategy holds 500K+ BTC — largest corporate holder', 'icon': '🏢'}],
    (3, 25): [{'year': 2019, 'event': 'Bitcoin breaks back above $4,000 — beginning of recovery', 'icon': '📈'}],

    # ── April ────────────────────────────────────────────────────────────────
    (4, 1):  [{'year': 2019, 'event': 'Bitcoin jumps 20% in minutes, triggering "April Fools rally"', 'icon': '🎪'}],
    (4, 5):  [{'year': 2021, 'event': 'Visa starts settling transactions in USDC stablecoin', 'icon': '💳'}],
    (4, 14): [{'year': 2021, 'event': 'Coinbase goes public (COIN) at $328 — $86B valuation', 'icon': '🔔'}],
    (4, 15): [{'year': 2021, 'event': 'DOGE pumps 400% in a week as "Doge Day" trends', 'icon': '🐕'}],
    (4, 18): [{'year': 2021, 'event': 'Turkey bans crypto payments, BTC drops 4%', 'icon': '🇹🇷'}],
    (4, 20): [{'year': 2024, 'event': 'Bitcoin 4th halving: block reward drops to 3.125 BTC', 'icon': '⛏️'}],
    (4, 22): [{'year': 2023, 'event': 'ARB token launches, Arbitrum becomes largest L2 by TVL', 'icon': '🔷'}],
    (4, 25): [{'year': 2013, 'event': 'Bitcoin crashes 60% in 3 days: $260 → $100', 'icon': '💥'}],

    # ── May ───────────────────────────────────────────────────────────────────
    (5, 8):  [{'year': 2021, 'event': 'Dogecoin hits ATH $0.73 before Elon\'s SNL appearance tanks it', 'icon': '🐕'}],
    (5, 9):  [{'year': 2022, 'event': 'UST depegs from $1 — Terra/Luna collapse begins', 'icon': '💀'}],
    (5, 12): [{'year': 2022, 'event': 'LUNA crashes from $80 to $0.01 in 48 hours. $40B wiped', 'icon': '📉'}],
    (5, 13): [{'year': 2022, 'event': 'Terra blockchain halted. Do Kwon says "deploying more capital"', 'icon': '🛑'}],
    (5, 19): [{'year': 2021, 'event': 'BTC crashes 30% after China FUD. Largest single-day liquidation', 'icon': '🇨🇳'}],
    (5, 22): [{'year': 2010, 'event': 'First real Bitcoin purchase: 10,000 BTC for 2 pizzas ($41 each)', 'icon': '🍕'}],

    # ── June ──────────────────────────────────────────────────────────────────
    (6, 5):  [{'year': 2023, 'event': 'SEC sues Binance and Changpeng Zhao', 'icon': '⚖️'}],
    (6, 6):  [{'year': 2023, 'event': 'SEC sues Coinbase for operating as unregistered exchange', 'icon': '⚖️'}],
    (6, 13): [{'year': 2022, 'event': 'Celsius Network halts withdrawals — contagion begins', 'icon': '🧊'}],
    (6, 15): [{'year': 2022, 'event': 'Three Arrows Capital (3AC) hit with massive margin calls', 'icon': '📉'}],
    (6, 18): [{'year': 2021, 'event': 'El Salvador passes Bitcoin as legal tender — first country ever', 'icon': '🇸🇻'}],
    (6, 30): [{'year': 2015, 'event': 'Ethereum mainnet launches — the world computer is born', 'icon': '⟠'}],

    # ── July ──────────────────────────────────────────────────────────────────
    (7, 1):  [{'year': 2022, 'event': 'Three Arrows Capital files for bankruptcy', 'icon': '💀'}],
    (7, 6):  [{'year': 2022, 'event': 'Voyager Digital halts withdrawals and files Chapter 11', 'icon': '🛑'}],
    (7, 13): [{'year': 2022, 'event': 'Celsius files for bankruptcy — $4.7B in liabilities', 'icon': '🧊'}],
    (7, 20): [{'year': 2017, 'event': 'Bitcoin community avoids split: SegWit locked in (BIP91)', 'icon': '🤝'}],
    (7, 22): [{'year': 2014, 'event': 'Ethereum ICO begins at $0.31 per ETH', 'icon': '⟠'}],
    (7, 30): [{'year': 2015, 'event': 'First Ethereum block mined. Vitalik era begins', 'icon': '🔷'}],

    # ── August ────────────────────────────────────────────────────────────────
    (8, 1):  [{'year': 2017, 'event': 'Bitcoin Cash (BCH) hard fork from Bitcoin', 'icon': '🔀'}],
    (8, 5):  [{'year': 2021, 'event': 'EIP-1559 goes live: Ethereum starts burning fees', 'icon': '🔥'}],
    (8, 10): [{'year': 2021, 'event': 'Poly Network hacked for $611M — hacker returns most funds', 'icon': '🏴‍☠️'}],
    (8, 18): [{'year': 2020, 'event': 'SushiSwap launches, starting the DeFi "food token" craze', 'icon': '🍣'}],
    (8, 24): [{'year': 2017, 'event': 'SegWit activates on Bitcoin. Scaling wars end (mostly)', 'icon': '⚡'}],

    # ── September ─────────────────────────────────────────────────────────────
    (9, 4):  [{'year': 2017, 'event': 'China bans ICOs. Market drops 20%', 'icon': '🇨🇳'}],
    (9, 7):  [{'year': 2021, 'event': 'El Salvador officially adopts Bitcoin. BTC crashes 10% same day', 'icon': '🇸🇻'}],
    (9, 15): [{'year': 2022, 'event': 'Ethereum Merge complete: PoW → PoS. Energy use drops 99.95%', 'icon': '🔀'}],
    (9, 21): [{'year': 2017, 'event': 'China bans ALL crypto trading. Bitcoin drops below $4K', 'icon': '🇨🇳'}],
    (9, 24): [{'year': 2020, 'event': 'Uniswap airdrops UNI token — $1,200 per wallet for free', 'icon': '🦄'}],

    # ── October ───────────────────────────────────────────────────────────────
    (10, 1):  [{'year': 2013, 'event': 'Silk Road seized by FBI. Ross Ulbricht arrested', 'icon': '⚖️'}],
    (10, 7):  [{'year': 2021, 'event': 'Bitcoin hits $55K as "Uptober" narrative takes hold', 'icon': '🎃'}],
    (10, 19): [{'year': 2021, 'event': 'First Bitcoin futures ETF (BITO) launches on NYSE', 'icon': '📈'}],
    (10, 28): [{'year': 2021, 'event': 'Facebook rebrands to Meta — metaverse tokens pump', 'icon': '🌐'}],
    (10, 31): [{'year': 2008, 'event': 'Satoshi publishes Bitcoin whitepaper. Everything starts here', 'icon': '📄'}],

    # ── November ──────────────────────────────────────────────────────────────
    (11, 2):  [{'year': 2022, 'event': 'CoinDesk reveals Alameda balance sheet is mostly FTT', 'icon': '📰'}],
    (11, 6):  [{'year': 2022, 'event': 'CZ tweets "we will liquidate our FTT" — FTX death spiral begins', 'icon': '💣'}],
    (11, 8):  [{'year': 2022, 'event': 'FTX halts withdrawals. Binance signs LOI to acquire (then backs out)', 'icon': '🚨'}],
    (11, 10): [{'year': 2021, 'event': 'Bitcoin hits ATH $69,000. Peak euphoria', 'icon': '🏔️'}],
    (11, 11): [{'year': 2022, 'event': 'FTX, Alameda, and 130 entities file for bankruptcy. SBF resigns', 'icon': '💀'}],
    (11, 12): [{'year': 2022, 'event': 'FTX hacked for $600M hours after bankruptcy filing', 'icon': '🏴‍☠️'}],
    (11, 28): [{'year': 2017, 'event': 'Bitcoin crosses $10,000 for the first time', 'icon': '🎉'}],

    # ── December ──────────────────────────────────────────────────────────────
    (12, 1):  [{'year': 2017, 'event': 'CBOE announces Bitcoin futures. Institutional era dawns', 'icon': '🏛️'}],
    (12, 6):  [{'year': 2017, 'event': 'NiceHash hacked for 4,700 BTC', 'icon': '🏴‍☠️'}],
    (12, 11): [{'year': 2017, 'event': 'CBOE Bitcoin futures go live. BTC hits $17K', 'icon': '📊'}],
    (12, 17): [{'year': 2017, 'event': 'Bitcoin hits ATH near $20,000. CME futures launch same day', 'icon': '🏔️'}],
    (12, 22): [{'year': 2017, 'event': 'Bitcoin crashes 30% from ATH. "Crypto winter" begins', 'icon': '❄️'}],
    (12, 25): [{'year': 2013, 'event': 'Bitcoin ends year at $730 — up 5,400% from January', 'icon': '🎄'}],
}


def get_today_events(month: int, day: int) -> list:
    """Return historical events for a given date. Falls back to nearby dates if empty."""
    events = CRYPTO_HISTORY.get((month, day), [])
    if events:
        return events

    # Try adjacent days (±1) for better coverage
    for offset in [1, -1, 2, -2]:
        nearby = CRYPTO_HISTORY.get((month, day + offset), [])
        if nearby:
            return [dict(e, _nearby=True) for e in nearby]

    return []