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package org.mozc.android.inputmethod.japanese.preference;

import org.mozc.android.inputmethod.japanese.resources.R;
import org.mozc.android.inputmethod.japanese.testing.Parameter;

import android.test.suitebuilder.annotation.SmallTest;

import junit.framework.TestCase;

import java.util.Arrays;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;

/**
 */
public class PreferencePageTest extends TestCase {
  @SmallTest
  public void testResourceIdList() {
    class TestData extends Parameter {
      final PreferencePage preferencePage;
      final boolean isDebug;
      final boolean isSendingInformationFeaturesEnabled;
      final List<Integer> expectedResources;
      TestData(PreferencePage preferencePage,
               boolean isDebug,
               boolean isSendingInformationFeaturesEnabled,
               List<Integer> expectedResources) {
        this.preferencePage = preferencePage;
        this.isDebug = isDebug;
        this.isSendingInformationFeaturesEnabled = isSendingInformationFeaturesEnabled;
        this.expectedResources = expectedResources;
      }
    }
    TestData[] testDataList = {
        new TestData(PreferencePage.ABOUT, true, true, Arrays.asList(R.xml.pref_about)),
        new TestData(PreferencePage.ABOUT, true, false, Arrays.asList(R.xml.pref_about)),
        new TestData(PreferencePage.ABOUT, false, true, Arrays.asList(R.xml.pref_about)),
        new TestData(PreferencePage.ABOUT, false, false, Arrays.asList(R.xml.pref_about)),

        new TestData(PreferencePage.CONVERSION, true, true, Arrays.asList(R.xml.pref_conversion)),
        new TestData(PreferencePage.CONVERSION, true, false, Arrays.asList(R.xml.pref_conversion)),
        new TestData(PreferencePage.CONVERSION, false, true, Arrays.asList(R.xml.pref_conversion)),
        new TestData(PreferencePage.CONVERSION, false, false, Arrays.asList(R.xml.pref_conversion)),

        new TestData(PreferencePage.DEVELOPMENT, true, true,
                     Arrays.asList(R.xml.pref_development)),
        new TestData(PreferencePage.DEVELOPMENT, true, false,
                     Arrays.asList(R.xml.pref_development)),
        new TestData(PreferencePage.DEVELOPMENT, false, true,
                     Arrays.asList(R.xml.pref_development)),
        new TestData(PreferencePage.DEVELOPMENT, false, false,
                     Arrays.asList(R.xml.pref_development)),

        new TestData(PreferencePage.DICTIONARY, true, true, Arrays.asList(R.xml.pref_dictionary)),
        new TestData(PreferencePage.DICTIONARY, true, false, Arrays.asList(R.xml.pref_dictionary)),
        new TestData(PreferencePage.DICTIONARY, false, true, Arrays.asList(R.xml.pref_dictionary)),
        new TestData(PreferencePage.DICTIONARY, false, false, Arrays.asList(R.xml.pref_dictionary)),

        new TestData(PreferencePage.FLAT, true, true, Arrays.asList(
            R.xml.pref_software_keyboard,
            R.xml.pref_input_support,
            R.xml.pref_conversion,
            R.xml.pref_dictionary,
            R.xml.pref_user_feedback,
            R.xml.pref_about,
            R.xml.pref_development)),
        // R.xml.pref_user_feedback is omitted.
        new TestData(PreferencePage.FLAT, true, false, Arrays.asList(
            R.xml.pref_software_keyboard,
            R.xml.pref_input_support,
            R.xml.pref_conversion,
            R.xml.pref_dictionary,
            R.xml.pref_about,
            R.xml.pref_development)),
        // R.xml.pref_development is omitted.
        new TestData(PreferencePage.FLAT, false, true, Arrays.asList(
            R.xml.pref_software_keyboard,
            R.xml.pref_input_support,
            R.xml.pref_conversion,
            R.xml.pref_dictionary,
            R.xml.pref_user_feedback,
            R.xml.pref_about)),
        //R.xml.pref_user_feedback and R.xml.pref_development are omitted.
        new TestData(PreferencePage.FLAT, false, false, Arrays.asList(
            R.xml.pref_software_keyboard,
            R.xml.pref_input_support,
            R.xml.pref_conversion,
            R.xml.pref_dictionary,
            R.xml.pref_about)),

        new TestData(PreferencePage.INPUT_SUPPORT, true, true,
                     Arrays.asList(R.xml.pref_input_support)),
        new TestData(PreferencePage.INPUT_SUPPORT, true, false,
                     Arrays.asList(R.xml.pref_input_support)),
        new TestData(PreferencePage.INPUT_SUPPORT, false, true,
                     Arrays.asList(R.xml.pref_input_support)),
        new TestData(PreferencePage.INPUT_SUPPORT, false, false,
                     Arrays.asList(R.xml.pref_input_support)),

        new TestData(PreferencePage.SOFTWARE_KEYBOARD, true, true,
                     Arrays.asList(R.xml.pref_software_keyboard_advanced)),
        new TestData(PreferencePage.SOFTWARE_KEYBOARD, true, false,
                     Arrays.asList(R.xml.pref_software_keyboard_advanced)),
        new TestData(PreferencePage.SOFTWARE_KEYBOARD, false, true,
                     Arrays.asList(R.xml.pref_software_keyboard_advanced)),
        new TestData(PreferencePage.SOFTWARE_KEYBOARD, false, false,
                     Arrays.asList(R.xml.pref_software_keyboard_advanced)),

        new TestData(PreferencePage.USER_FEEDBACK, true, true,
                     Arrays.asList(R.xml.pref_user_feedback)),
        new TestData(PreferencePage.USER_FEEDBACK, true, false,
                     Arrays.asList(R.xml.pref_user_feedback)),
        new TestData(PreferencePage.USER_FEEDBACK, false, true,
                     Arrays.asList(R.xml.pref_user_feedback)),
        new TestData(PreferencePage.USER_FEEDBACK, false, false,
                     Arrays.asList(R.xml.pref_user_feedback)),
    };

    for (TestData testData : testDataList) {
      assertEquals(
          testData.toString(),
          testData.expectedResources,
          PreferencePage.getResourceIdList(
              testData.preferencePage,
              testData.isDebug,
              testData.isSendingInformationFeaturesEnabled));
    }

    // Safety harness.
    // If this class and PreferencePage conflict, below test will fail.
    Set<PreferencePage> testedPreferencePages = EnumSet.noneOf(PreferencePage.class);
    for (TestData testData : testDataList) {
      testedPreferencePages.add(testData.preferencePage);
    }
    for (PreferencePage preferencePage : PreferencePage.values()) {
      assertTrue(String.format("%s is needed to be tested.", preferencePage.name()),
                 testedPreferencePages.remove(preferencePage));
    }
    // testedPreferencePages is always empty here.
  }
}