class CreateDoorkeeperTables

def change
  create_table :oauth_applications do |t|
    t.string  :name,         null: false
    t.string  :uid,          null: false
    t.string  :secret,       null: false
    t.text    :redirect_uri, null: false
    t.string  :scopes,       null: false, default: ''
    t.timestamps             null: false
  end
  add_index :oauth_applications, :uid, unique: true
  create_table :oauth_access_grants do |t|
    t.integer  :resource_owner_id, null: false
    t.references :application,     null: false
    t.string   :token,             null: false
    t.integer  :expires_in,        null: false
    t.text     :redirect_uri,      null: false
    t.datetime :created_at,        null: false
    t.datetime :revoked_at
    t.string   :scopes
  end
  add_index :oauth_access_grants, :token, unique: true
  add_foreign_key(
    :oauth_access_grants,
    :oauth_applications,
    column: :application_id
  )
  create_table :oauth_access_tokens do |t|
    t.integer  :resource_owner_id
    t.references :application
    # If you use a custom token generator you may need to change this column
    # from string to text, so that it accepts tokens larger than 255
    # characters. More info on custom token generators in:
    # https://github.com/doorkeeper-gem/doorkeeper/tree/v3.0.0.rc1#custom-access-token-generator
    #
    # t.text     :token,             null: false
    t.string   :token,                  null: false
    t.string   :refresh_token
    t.integer  :expires_in
    t.datetime :revoked_at
    t.datetime :created_at,             null: false
    t.string   :scopes
    # If there is a previous_refresh_token column,
    # refresh tokens will be revoked after a related access token is used.
    # If there is no previous_refresh_token column,
    # previous tokens are revoked as soon as a new access token is created.
    # Comment out this line if you'd rather have refresh tokens
    # instantly revoked.
    t.string   :previous_refresh_token, null: false, default: ""
  end
  add_index :oauth_access_tokens, :token, unique: true
  add_index :oauth_access_tokens, :resource_owner_id
  add_index :oauth_access_tokens, :refresh_token, unique: true
  add_foreign_key(
    :oauth_access_tokens,
    :oauth_applications,
    column: :application_id
  )
end