/**
 * @license
 * Copyright 2020 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

import * as Blockly from '../../build/src/core/blockly.js';
import {
  assertFieldValue,
  runConstructorSuiteTests,
  runFromJsonSuiteTests,
  runSetValueTests,
} from './test_helpers/fields.js';
import {
  createTestBlock,
  defineRowBlock,
} from './test_helpers/block_definitions.js';
import {
  sharedTestSetup,
  sharedTestTeardown,
  workspaceTeardown,
} from './test_helpers/setup_teardown.js';
import {runCodeGenerationTestSuites} from './test_helpers/code_generation.js';
import {dartGenerator} from '../../build/src/generators/dart.js';
import {javascriptGenerator} from '../../build/src/generators/javascript.js';
import {luaGenerator} from '../../build/src/generators/lua.js';
import {phpGenerator} from '../../build/src/generators/php.js';
import {pythonGenerator} from '../../build/src/generators/python.js';

suite('Multiline Input Fields', function () {
  setup(function () {
    sharedTestSetup.call(this);
  });
  teardown(function () {
    sharedTestTeardown.call(this);
  });
  /**
   * Configuration for field tests with invalid values.
   * @type {!Array<!FieldCreationTestCase>}
   */
  const invalidValueTestCases = [
    {title: 'Undefined', value: undefined},
    {title: 'Null', value: null},
  ];
  /**
   * Configuration for field tests with valid values.
   * @type {!Array<!FieldCreationTestCase>}
   */
  const validValueTestCases = [
    {title: 'Empty string', value: '', expectedValue: ''},
    {title: 'String no newline', value: 'value', expectedValue: 'value'},
    {
      title: 'String with newline',
      value: 'bark bark\n bark bark bark\n bark bar bark bark\n',
      expectedValue: 'bark bark\n bark bark bark\n bark bar bark bark\n',
    },
    {title: 'Boolean true', value: true, expectedValue: 'true'},
    {title: 'Boolean false', value: false, expectedValue: 'false'},
    {title: 'Number (Truthy)', value: 1, expectedValue: '1'},
    {title: 'Number (Falsy)', value: 0, expectedValue: '0'},
    {title: 'NaN', value: NaN, expectedValue: 'NaN'},
  ];
  const addArgsAndJson = function (testCase) {
    testCase.args = [testCase.value];
    testCase.json = {'text': testCase.value};
  };
  invalidValueTestCases.forEach(addArgsAndJson);
  validValueTestCases.forEach(addArgsAndJson);

  /**
   * The expected default value for the field being tested.
   * @type {*}
   */
  const defaultFieldValue = '';
  /**
   * Asserts that the field property values are set to default.
   * @param {!Blockly.FieldMultilineInput} field The field to check.
   */
  const assertFieldDefault = function (field) {
    assertFieldValue(field, defaultFieldValue);
  };
  /**
   * Asserts that the field properties are correct based on the test case.
   * @param {!Blockly.FieldMultilineInput} field The field to check.
   * @param {!FieldValueTestCase} testCase The test case.
   */
  const validTestCaseAssertField = function (field, testCase) {
    assertFieldValue(field, testCase.expectedValue);
  };

  runConstructorSuiteTests(
    Blockly.FieldMultilineInput,
    validValueTestCases,
    invalidValueTestCases,
    validTestCaseAssertField,
    assertFieldDefault,
  );

  runFromJsonSuiteTests(
    Blockly.FieldMultilineInput,
    validValueTestCases,
    invalidValueTestCases,
    validTestCaseAssertField,
    assertFieldDefault,
  );

  suite('setValue', function () {
    suite('Empty -> New Value', function () {
      setup(function () {
        this.field = new Blockly.FieldMultilineInput();
      });
      runSetValueTests(
        validValueTestCases,
        invalidValueTestCases,
        defaultFieldValue,
      );
      test('With source block', function () {
        this.field.setSourceBlock(createTestBlock());
        this.field.setValue('value');
        assertFieldValue(this.field, 'value');
      });
    });
    suite('Value -> New Value', function () {
      const initialValue = 'oldValue';
      setup(function () {
        this.field = new Blockly.FieldMultilineInput(initialValue);
      });
      runSetValueTests(
        validValueTestCases,
        invalidValueTestCases,
        initialValue,
      );
      test('With source block', function () {
        this.field.setSourceBlock(createTestBlock());
        this.field.setValue('value');
        assertFieldValue(this.field, 'value');
      });
    });
  });

  suite('blockToCode', function () {
    setup(function () {
      this.workspace = new Blockly.Workspace();
    });
    const createBlockFn = (value) => {
      return (workspace) => {
        const block = workspace.newBlock('text_multiline');
        const textField = block.getField('TEXT');
        textField.setValue(value);
        return block;
      };
    };

    /**
     * Test suites for code generation tests.s
     * @type {Array<CodeGenerationTestSuite>}
     */
    const testSuites = [
      {
        title: 'Dart',
        generator: dartGenerator,
        testCases: [
          {
            title: 'Empty string',
            expectedCode: "''",
            createBlock: createBlockFn(''),
          },
          {
            title: 'String with newline',
            expectedCode:
              "'bark bark' + '\\n' + \n' bark bark bark' + '\\n' + \n' bark bar bark bark' + '\\n' + \n''",
            createBlock: createBlockFn(
              'bark bark\n bark bark bark\n bark bar bark bark\n',
            ),
          },
        ],
      },
      {
        title: 'JavaScript',
        generator: javascriptGenerator,
        testCases: [
          {
            title: 'Empty string',
            expectedCode: "''",
            createBlock: createBlockFn(''),
          },
          {
            title: 'String with newline',
            expectedCode:
              "'bark bark' + '\\n' +\n' bark bark bark' + '\\n' +\n' bark bar bark bark' + '\\n' +\n''",
            createBlock: createBlockFn(
              'bark bark\n bark bark bark\n bark bar bark bark\n',
            ),
          },
        ],
      },
      {
        title: 'Lua',
        generator: luaGenerator,
        testCases: [
          {
            title: 'Empty string',
            expectedCode: "''",
            createBlock: createBlockFn(''),
          },
          {
            title: 'String with newline',
            expectedCode:
              "'bark bark' .. '\\n' ..\n' bark bark bark' .. '\\n' ..\n' bark bar bark bark' .. '\\n' ..\n''",
            createBlock: createBlockFn(
              'bark bark\n bark bark bark\n bark bar bark bark\n',
            ),
          },
        ],
      },
      {
        title: 'PHP',
        generator: phpGenerator,
        testCases: [
          {
            title: 'Empty string',
            expectedCode: "''",
            createBlock: createBlockFn(''),
          },
          {
            title: 'String with newline',
            expectedCode:
              "'bark bark' . \"\\n\" .\n' bark bark bark' . \"\\n\" .\n' bark bar bark bark' . \"\\n\" .\n''",
            createBlock: createBlockFn(
              'bark bark\n bark bark bark\n bark bar bark bark\n',
            ),
          },
        ],
      },
      {
        title: 'Python',
        generator: pythonGenerator,
        testCases: [
          {
            title: 'Empty string',
            expectedCode: "''",
            createBlock: createBlockFn(''),
          },
          {
            title: 'String with newline',
            expectedCode:
              "'bark bark' + '\\n' + \n' bark bark bark' + '\\n' + \n' bark bar bark bark' + '\\n' + \n''",
            createBlock: createBlockFn(
              'bark bark\n bark bark bark\n bark bar bark bark\n',
            ),
          },
        ],
      },
    ];
    runCodeGenerationTestSuites(testSuites);
  });

  suite('Serialization', function () {
    setup(function () {
      this.workspace = new Blockly.Workspace();
      defineRowBlock();

      this.assertValue = (value) => {
        const block = this.workspace.newBlock('row_block');
        const field = new Blockly.FieldMultilineInput(value);
        block.getInput('INPUT').appendField(field, 'MULTILINE');
        const jso = Blockly.serialization.blocks.save(block);
        chai.assert.deepEqual(jso['fields'], {'MULTILINE': value});
      };
    });

    teardown(function () {
      workspaceTeardown.call(this, this.workspace);
    });

    test('Single line', function () {
      this.assertValue('this is a single line');
    });

    test('Multiple lines', function () {
      this.assertValue('this\nis\n  multiple\n    lines');
    });
  });
});