/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

suite('Key Map Tests', function() {
  setup(function() {
    sharedTestSetup.call(this);
    Blockly.user.keyMap.setKeyMap(Blockly.user.keyMap.createDefaultKeyMap());
  });
  teardown(function() {
    sharedTestTeardown.call(this);
  });

  test('Test adding a new action to key map', function() {
    var newAction = new Blockly.Action('test_action', 'test', function(){
      return "test";
    });
    Blockly.user.keyMap.setActionForKey('65', newAction);
    chai.assert.equal(Blockly.user.keyMap.map_['65'].name, 'test_action');
  });

  test('Test giving an old action a new key', function() {
    Blockly.user.keyMap.setActionForKey(Blockly.utils.KeyCodes.F,
        Blockly.navigation.ACTION_PREVIOUS);
    chai.assert.isUndefined(Blockly.user.keyMap.map_[Blockly.utils.KeyCodes.W]);
    chai.assert.equal(Blockly.user.keyMap.map_[Blockly.utils.KeyCodes.F],
        Blockly.navigation.ACTION_PREVIOUS);
  });

  test('Test get key by action defined', function() {
    var key = Blockly.user.keyMap.getKeyByAction(Blockly.navigation.ACTION_PREVIOUS);
    chai.assert.equal(key, Blockly.utils.KeyCodes.W);
  });

  test('Test get key by action not defined', function() {
    var key = Blockly.user.keyMap.getKeyByAction(new Blockly.Action('something'));
    chai.assert.notExists(key);
  });

  test('Test set key map', function() {
    var testKeyMap = Blockly.user.keyMap.createDefaultKeyMap();
    testKeyMap['randomKey'] = new Blockly.Action('test','',null);
    Blockly.user.keyMap.setKeyMap(testKeyMap);
    chai.assert.equal(Blockly.user.keyMap.map_['randomKey'].name, 'test');
  });

  test('Test get key map returns a clone', function() {
    var keyMap = Blockly.user.keyMap.getKeyMap();
    keyMap['randomKey'] = new Blockly.Action('test', '', null);
    chai.assert.isUndefined(Blockly.user.keyMap.map_['randomKey']);
  });

  test('Test serialize key code with modifiers', function() {
    var mockEvent = {
      getModifierState: function(){
        return true;
      },
      keyCode: 65
    };
    var serializedKey = Blockly.user.keyMap.serializeKeyEvent(mockEvent);
    chai.assert.equal(serializedKey, 'ShiftControlAltMeta65');
  });

  test('Test serialize key code without modifiers', function() {
    var mockEvent = {
      getModifierState: function(){
        return false;
      },
      keyCode: 65
    };
    var serializedKey = Blockly.user.keyMap.serializeKeyEvent(mockEvent);
    chai.assert.equal(serializedKey, '65');
  });

  test('Test modifiers in reverse order', function() {
    var testKey = Blockly.user.keyMap.createSerializedKey(
        Blockly.utils.KeyCodes.K, [Blockly.user.keyMap.modifierKeys.CONTROL,
          Blockly.user.keyMap.modifierKeys.SHIFT]);
    Blockly.user.keyMap.setActionForKey(testKey, new Blockly.Action('test', '', null));
    var action = Blockly.user.keyMap.getActionByKeyCode('ShiftControl75');
    chai.assert.isNotNull(action);
    chai.assert.equal(action.name, 'test');
  });

  test('Test report invalid modifiers', function() {
    var shouldThrow = function() {
      Blockly.user.keyMap.createSerializedKey(Blockly.utils.KeyCodes.K, ['s',
        Blockly.user.keyMap.modifierKeys.SHIFT]);
    };
    chai.assert.throws(shouldThrow, Error, 's is not a valid modifier key.');
  });


  teardown(function() {});
});