-- Hyperliquid Wallet Tracker Database Schema

-- Create database (uncomment if needed)
CREATE DATABASE IF NOT EXISTS hyperliquid_tracker CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
USE hyperliquid_tracker;

-- Wallets table to store tracked wallet addresses
CREATE TABLE IF NOT EXISTS wallets (
    id INT AUTO_INCREMENT PRIMARY KEY,
    address VARCHAR(66) NOT NULL UNIQUE COMMENT 'Wallet address (normalized to lowercase)',
    first_seen_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT 'When this wallet was first tracked',
    last_seen_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'Last time this wallet was seen in trades',
    trade_count INT DEFAULT 1 COMMENT 'Number of times this wallet has been seen in trades',
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX idx_address (address),
    INDEX idx_last_seen (last_seen_at),
    INDEX idx_trade_count (trade_count)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='Tracked wallet addresses from Hyperliquid trades';

-- Wallet PnL snapshots table (optional - for historical tracking)
CREATE TABLE IF NOT EXISTS wallet_pnl_snapshots (
    id INT AUTO_INCREMENT PRIMARY KEY,
    wallet_id INT NOT NULL,
    wallet_address VARCHAR(66) NOT NULL,
    pnl DECIMAL(30, 8) COMMENT 'Profit and Loss value',
    account_value DECIMAL(30, 8) COMMENT 'Total account value',
    unrealized_pnl DECIMAL(30, 8) COMMENT 'Unrealized PnL',
    snapshot_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (wallet_id) REFERENCES wallets(id) ON DELETE CASCADE,
    INDEX idx_wallet_id (wallet_id),
    INDEX idx_wallet_address (wallet_address),
    INDEX idx_snapshot_at (snapshot_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='Historical PnL snapshots for tracked wallets';

-- View for wallets with latest PnL
CREATE OR REPLACE VIEW wallets_with_latest_pnl AS
SELECT 
    w.id,
    w.address,
    w.first_seen_at,
    w.last_seen_at,
    w.trade_count,
    wps.pnl,
    wps.account_value,
    wps.unrealized_pnl,
    wps.snapshot_at as last_pnl_snapshot
FROM wallets w
LEFT JOIN wallet_pnl_snapshots wps ON w.id = wps.wallet_id
LEFT JOIN (
    SELECT wallet_id, MAX(snapshot_at) as max_snapshot
    FROM wallet_pnl_snapshots
    GROUP BY wallet_id
) latest ON w.id = latest.wallet_id AND wps.snapshot_at = latest.max_snapshot;