-- 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';

-- Note: PnL is now calculated from trades table, so wallet_pnl_snapshots table is no longer used

-- Trades table to store individual trades for each wallet
CREATE TABLE IF NOT EXISTS trades (
    id INT AUTO_INCREMENT PRIMARY KEY,
    wallet_id INT NOT NULL,
    wallet_address VARCHAR(66) NOT NULL,
    entry_hash VARCHAR(66) NOT NULL UNIQUE COMMENT 'Unique identifier for the trade entry (transaction hash)',
    entry_date TIMESTAMP NULL COMMENT 'When the position was opened',
    close_date TIMESTAMP NULL COMMENT 'When the position was closed (NULL if still open)',
    coin VARCHAR(20) NOT NULL COMMENT 'Trading pair/coin symbol',
    amount DECIMAL(30, 8) NOT NULL COMMENT 'Trade size/amount',
    entry_price DECIMAL(30, 8) NOT NULL COMMENT 'Price when position was opened',
    close_price DECIMAL(30, 8) NULL COMMENT 'Price when position was closed (NULL if still open)',
    direction ENUM('buy', 'sell') NOT NULL DEFAULT 'buy' COMMENT 'Trade direction: buy or sell',
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE 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_entry_hash (entry_hash),
    INDEX idx_coin (coin),
    INDEX idx_entry_date (entry_date),
    INDEX idx_close_date (close_date),
    INDEX idx_direction (direction)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='Individual trades for tracked wallets';

-- Migration: Add direction column if it doesn't exist
ALTER TABLE trades ADD COLUMN IF NOT EXISTS direction ENUM('buy', 'sell') NOT NULL DEFAULT 'buy' COMMENT 'Trade direction: buy or sell' AFTER close_price;
ALTER TABLE trades ADD INDEX IF NOT EXISTS idx_direction (direction);

-- Note: PnL is now calculated on-demand from trades table, so the view is no longer needed