# frozen_string_literal: true

ROM::SQL.migration do
  change do
    # Drop and recreate matches table with new structure
    drop_table?(:matches)
    
    create_table :matches do
      primary_key :id
      foreign_key :event_id, :events
      column :played_at, DateTime
      column :team_1_p1_id, Integer
      column :team_1_p2_id, Integer
      column :team_2_p1_id, Integer
      column :team_2_p2_id, Integer
      column :team_1_score, Integer
      column :team_2_score, Integer
      column :status, String, default: 'completed'
    end

    # Add current_elo to players table
    alter_table :players do
      add_column :current_elo, Integer, default: 1000
    end

    # Create elo_snapshots table
    create_table :elo_snapshots do
      primary_key :id
      foreign_key :player_id, :players, null: false
      foreign_key :match_id, :matches, null: false
      column :rating_before, Integer, null: false
      column :rating_after, Integer, null: false
      column :rating_change, Integer, null: false
      column :created_at, DateTime, null: false, default: Sequel::CURRENT_TIMESTAMP
    end

    # Add indexes for performance
    add_index :elo_snapshots, [:player_id, :match_id], unique: true
    add_index :matches, :played_at
    add_index :matches, :status
  end
end