CREATE DATABASE IF NOT EXISTS lcdlln;

USE lcdlln;

CREATE TABLE IF NOT EXISTS users (
    id BIGINT AUTO_INCREMENT PRIMARY KEY,
    email VARCHAR(255) UNIQUE NOT NULL,
    username VARCHAR(50) UNIQUE NOT NULL,
    password_hash CHAR(128) NOT NULL,
    server_salt CHAR(32) NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    active_session BIGINT DEFAULT NULL
);

CREATE TABLE IF NOT EXISTS shards (
    id INT AUTO_INCREMENT PRIMARY KEY,
    shard_id VARCHAR(50) UNIQUE NOT NULL,
    max_capacity INT NOT NULL,
    current_load INT DEFAULT 0,
    last_heartbeat TIMESTAMP
);

CREATE TABLE IF NOT EXISTS schema_version (
    version INT NOT NULL,
    applied_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);