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

import {EventType} from '../../build/src/core/events/type.js';
import {assert} from '../../node_modules/chai/chai.js';
import {assertEventFired} from './test_helpers/events.js';
import {
  sharedTestSetup,
  sharedTestTeardown,
  workspaceTeardown,
} from './test_helpers/setup_teardown.js';

suite('Theme', function () {
  setup(function () {
    sharedTestSetup.call(this);
  });
  teardown(function () {
    sharedTestTeardown.call(this);
    // Clear all registered themes.
    Blockly.registry.TEST_ONLY.typeMap['theme'] = {};
  });

  function defineThemeTestBlocks() {
    Blockly.defineBlocksWithJsonArray([
      {
        'type': 'stack_block',
        'message0': '',
        'previousStatement': null,
        'nextStatement': null,
      },
      {
        'type': 'row_block',
        'message0': '%1',
        'args0': [
          {
            'type': 'input_value',
            'name': 'INPUT',
          },
        ],
        'output': null,
      },
    ]);
  }

  function createBlockStyles() {
    return {
      'styleOne': {
        'colourPrimary': '#aaaaaa',
        'colourSecondary': '#bbbbbb',
        'colourTertiary': '#cccccc',
        'hat': 'cap',
      },
    };
  }

  function createMultipleBlockStyles() {
    return {
      'styleOne': {
        'colourPrimary': '#aaaaaa',
        'colourSecondary': '#bbbbbb',
        'colourTertiary': '#cccccc',
        'hat': 'cap',
      },
      'styleTwo': {
        'colourPrimary': '#000000',
        'colourSecondary': '#999999',
        'colourTertiary': '#4d4d4d',
        'hat': '',
      },
    };
  }

  function stringifyAndCompare(val1, val2) {
    const stringVal1 = JSON.stringify(val1);
    const stringVal2 = JSON.stringify(val2);
    assert.equal(stringVal1, stringVal2);
  }

  test('Set All BlockStyles', function () {
    const theme = new Blockly.Theme('test', createBlockStyles());
    stringifyAndCompare(createBlockStyles(), theme.blockStyles);
    const blockStyles = createMultipleBlockStyles();
    for (const key in blockStyles) {
      theme.blockStyles[key] = blockStyles[key];
    }
    stringifyAndCompare(createMultipleBlockStyles(), theme.blockStyles);
  });

  test('Get All BlockStyles', function () {
    const theme = new Blockly.Theme('test', createMultipleBlockStyles());
    const allBlocks = theme.blockStyles;
    stringifyAndCompare(createMultipleBlockStyles(), allBlocks);
  });

  test('Get BlockStyles', function () {
    const theme = new Blockly.Theme('test', createBlockStyles());
    const blockStyle = theme.blockStyles['styleOne'];

    stringifyAndCompare(blockStyle, createBlockStyles().styleOne);
  });

  test('Set BlockStyle Update', function () {
    const theme = new Blockly.Theme('test', createBlockStyles());
    const blockStyle = createBlockStyles();
    blockStyle.styleOne.colourPrimary = '#00ff00';

    theme.blockStyles['styleOne'] = blockStyle.styleOne;

    stringifyAndCompare(theme.blockStyles, blockStyle);
  });

  test('Set BlockStyle Add', function () {
    const theme = new Blockly.Theme('test', createBlockStyles());
    const blockStyle = createMultipleBlockStyles();

    theme.blockStyles['styleTwo'] = blockStyle.styleTwo;

    stringifyAndCompare(theme.blockStyles, blockStyle);
  });

  test('Set Theme', function () {
    defineThemeTestBlocks();
    let workspace;
    try {
      const blockStyles = createBlockStyles();
      const theme = new Blockly.Theme('themeName', blockStyles);
      workspace = Blockly.inject('blocklyDiv', {});
      const blockA = workspace.newBlock('stack_block');

      blockA.setStyle = function () {
        this.styleName_ = 'styleTwo';
      };
      const refreshToolboxSelectionStub = sinon.stub(
        workspace,
        'refreshToolboxSelection',
      );
      blockA.styleName_ = 'styleOne';

      workspace.setTheme(theme);

      // Checks that the theme was set correctly on Blockly namespace
      stringifyAndCompare(workspace.getTheme(), theme);

      // Checks that the setTheme function was called on the block
      assert.equal(blockA.getStyleName(), 'styleTwo');

      // Checks that the toolbox refreshed method was called
      sinon.assert.calledOnce(refreshToolboxSelectionStub);

      assertEventFired(
        this.eventsFireStub,
        Blockly.Events.ThemeChange,
        {themeName: 'themeName', type: EventType.THEME_CHANGE},
        workspace.id,
      );
    } finally {
      workspaceTeardown.call(this, workspace);
    }
  });

  suite('Validate block styles', function () {
    setup(function () {
      this.constants = new Blockly.blockRendering.ConstantProvider();
    });

    test('Null', function () {
      const inputStyle = null;
      const expectedOutput = {
        'colourPrimary': '#000000',
        'colourSecondary': '#999999',
        'colourTertiary': '#4d4d4d',
        'hat': '',
      };
      stringifyAndCompare(
        this.constants.validatedBlockStyle_(inputStyle),
        expectedOutput,
      );
    });

    test('Empty', function () {
      const inputStyle = {};
      const expectedOutput = {
        'colourPrimary': '#000000',
        'colourSecondary': '#999999',
        'colourTertiary': '#4d4d4d',
        'hat': '',
      };
      stringifyAndCompare(
        this.constants.validatedBlockStyle_(inputStyle),
        expectedOutput,
      );
    });

    test('Incomplete hex', function () {
      const inputStyle = {
        'colourPrimary': '#012345',
      };
      const expectedOutput = {
        'colourPrimary': '#012345',
        'colourSecondary': '#99a7b5',
        'colourTertiary': '#4d657d',
        'hat': '',
      };
      stringifyAndCompare(
        this.constants.validatedBlockStyle_(inputStyle),
        expectedOutput,
      );
    });

    test('Complete hex', function () {
      const inputStyle = {
        'colourPrimary': '#aaaaaa',
        'colourSecondary': '#bbbbbb',
        'colourTertiary': '#cccccc',
        'hat': 'cap',
      };
      const expectedOutput = {
        'colourPrimary': '#aaaaaa',
        'colourSecondary': '#bbbbbb',
        'colourTertiary': '#cccccc',
        'hat': 'cap',
      };
      stringifyAndCompare(
        this.constants.validatedBlockStyle_(inputStyle),
        expectedOutput,
      );
    });

    test('Complete hue', function () {
      const inputStyle = {
        'colourPrimary': '20',
        'colourSecondary': '40',
        'colourTertiary': '60',
      };
      const expectedOutput = {
        'colourPrimary': '#a5745b',
        'colourSecondary': '#a58c5b',
        'colourTertiary': '#a5a55b',
        'hat': '',
      };
      stringifyAndCompare(
        this.constants.validatedBlockStyle_(inputStyle),
        expectedOutput,
      );
    });

    test('Incomplete hue', function () {
      const inputStyle = {
        'colourPrimary': '20',
      };
      const expectedOutput = {
        'colourPrimary': '#a5745b',
        'colourSecondary': '#dbc7bd',
        'colourTertiary': '#c09e8c',
        'hat': '',
      };
      stringifyAndCompare(
        this.constants.validatedBlockStyle_(inputStyle),
        expectedOutput,
      );
    });

    test('Complete css colour name', function () {
      const inputStyle = {
        'colourPrimary': 'red',
        'colourSecondary': 'white',
        'colourTertiary': 'blue',
      };
      const expectedOutput = {
        'colourPrimary': '#ff0000',
        'colourSecondary': '#ffffff',
        'colourTertiary': '#0000ff',
        'hat': '',
      };
      stringifyAndCompare(
        this.constants.validatedBlockStyle_(inputStyle),
        expectedOutput,
      );
    });

    test('Incomplete css colour name', function () {
      const inputStyle = {
        'colourPrimary': 'black',
      };
      const expectedOutput = {
        'colourPrimary': '#000000',
        'colourSecondary': '#999999',
        'colourTertiary': '#4d4d4d',
        'hat': '',
      };
      stringifyAndCompare(
        this.constants.validatedBlockStyle_(inputStyle),
        expectedOutput,
      );
    });
  });

  suite('defineTheme', function () {
    test('Normalizes to lowercase', function () {
      const theme = Blockly.Theme.defineTheme('TEST', {});
      assert.equal(theme.name, 'test');
    });
  });
});