CREATE DATABASE IF NOT EXISTS eaglertiers;
USE eaglertiers;

CREATE TABLE IF NOT EXISTS players (
  id INT AUTO_INCREMENT PRIMARY KEY,
  username VARCHAR(32) NOT NULL UNIQUE,
  region ENUM('NA','EU','AS','AU') NOT NULL DEFAULT 'NA',
  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS player_ranks (
  id INT AUTO_INCREMENT PRIMARY KEY,
  player_id INT NOT NULL,
  gamemode VARCHAR(32) NOT NULL,
  tier ENUM('HT1','LT1','HT2','LT2','HT3','LT3','HT4','LT4','HT5','LT5') NOT NULL,
  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  UNIQUE KEY unique_player_gamemode (player_id, gamemode),
  CONSTRAINT fk_player_ranks_player
    FOREIGN KEY (player_id)
    REFERENCES players(id)
    ON DELETE CASCADE
);

CREATE INDEX idx_player_ranks_gamemode ON player_ranks (gamemode);