class CreateSmsMessages < ActiveRecord::Migration[8.0]
  def change
    create_table :sms_messages do |t|
      t.references :gateway, foreign_key: true
      t.string :message_id, null: false
      t.string :direction, null: false
      t.string :phone_number, null: false
      t.text :message_body, null: false
      t.string :status, default: "pending"
      t.text :error_message
      t.integer :retry_count, default: 0
      t.datetime :sent_at
      t.datetime :delivered_at
      t.datetime :failed_at
      t.jsonb :metadata, default: {}

      t.timestamps
    end

    add_index :sms_messages, :message_id, unique: true
    add_index :sms_messages, :phone_number
    add_index :sms_messages, [:phone_number, :created_at]
    add_index :sms_messages, [:status, :created_at]
    add_index :sms_messages, :direction
  end
end