require 'spec_helper'

module RailsSettings
  class Dummy
  end

  describe Configuration, 'successful' do
    it 'should define single key' do
      Configuration.new(Dummy, :dashboard)

      expect(Dummy.default_settings).to eq({ dashboard: {} })
      expect(Dummy.setting_object_class_name).to eq(
        'RailsSettings::SettingObject',
      )
    end

    it 'should define multiple keys' do
      Configuration.new(Dummy, :dashboard, :calendar)

      expect(Dummy.default_settings).to eq({ dashboard: {}, calendar: {} })
      expect(Dummy.setting_object_class_name).to eq(
        'RailsSettings::SettingObject',
      )
    end

    it 'should define single key with class_name' do
      Configuration.new(Dummy, :dashboard, class_name: 'MyClass')
      expect(Dummy.default_settings).to eq({ dashboard: {} })
      expect(Dummy.setting_object_class_name).to eq('MyClass')
    end

    it 'should define multiple keys with class_name' do
      Configuration.new(Dummy, :dashboard, :calendar, class_name: 'MyClass')

      expect(Dummy.default_settings).to eq({ dashboard: {}, calendar: {} })
      expect(Dummy.setting_object_class_name).to eq('MyClass')
    end

    it 'should define using block' do
      Configuration.new(Dummy) do |c|
        c.key :dashboard
        c.key :calendar
      end

      expect(Dummy.default_settings).to eq({ dashboard: {}, calendar: {} })
      expect(Dummy.setting_object_class_name).to eq(
        'RailsSettings::SettingObject',
      )
    end

    it 'should define using block with defaults' do
      Configuration.new(Dummy) do |c|
        c.key :dashboard, defaults: { theme: 'red' }
        c.key :calendar, defaults: { scope: 'all' }
      end

      expect(Dummy.default_settings).to eq(
        { dashboard: { 'theme' => 'red' }, calendar: { 'scope' => 'all' } },
      )
      expect(Dummy.setting_object_class_name).to eq(
        'RailsSettings::SettingObject',
      )
    end

    it 'should define using block and class_name' do
      Configuration.new(Dummy, class_name: 'MyClass') do |c|
        c.key :dashboard
        c.key :calendar
      end

      expect(Dummy.default_settings).to eq({ dashboard: {}, calendar: {} })
      expect(Dummy.setting_object_class_name).to eq('MyClass')
    end

    context 'persistent' do
      it 'should keep settings between multiple configurations initialization' do
        Configuration.new(Dummy, persistent: true) do |c|
          c.key :dashboard, defaults: { theme: 'red' }
        end

        Configuration.new(Dummy, :calendar, persistent: true)

        expect(Dummy.default_settings).to eq(
          { dashboard: { 'theme' => 'red' }, calendar: {} },
        )
      end
    end
  end

  describe Configuration, 'failure' do
    it 'should fail without args' do
      expect { Configuration.new }.to raise_error(ArgumentError)
    end

    it 'should fail without keys' do
      expect { Configuration.new(Dummy) }.to raise_error(ArgumentError)
    end

    it 'should fail without keys in block' do
      expect { Configuration.new(Dummy) { |c| } }.to raise_error(ArgumentError)
    end

    it 'should fail with keys not being symbols' do
      expect { Configuration.new(Dummy, 42, 'string') }.to raise_error(
        ArgumentError,
      )
    end

    it 'should fail with keys not being symbols' do
      expect {
        Configuration.new(Dummy) { |c| c.key 42, 'string' }
      }.to raise_error(ArgumentError)
    end

    it 'should fail with unknown option' do
      expect {
        Configuration.new(Dummy) { |c| c.key :dashboard, foo: {} }
      }.to raise_error(ArgumentError)
    end
  end
end