const initializeGDevelopJs = require('../../Binaries/embuild/GDevelop.js/libGD.js');
const { makeMinimalGDJSMock } = require('../TestUtils/GDJSMocks');
const {
  generateCompiledEventsFromSerializedEvents,
} = require('../TestUtils/CodeGenerationHelpers.js');

describe('libGD.js - GDJS Code Generation integration tests', function () {
  let gd = null;
  beforeAll(async () => {
    gd = await initializeGDevelopJs();
  });

  const generateAndRunVariableAffectationWithConditions = (
    parameterTypes,
    parameterValues,
    conditions
  ) => {
    const serializerElement = gd.Serializer.fromJSObject([
      {
        type: 'BuiltinCommonInstructions::Standard',
        conditions,
        actions: [
          {
            type: { value: 'ModVarScene' },
            parameters: ['SuccessVariable', '=', '1'],
          },
        ],
        events: [],
      },
    ]);

    const runCompiledEvents = generateCompiledEventsFromSerializedEvents(
      gd,
      serializerElement,
      { parameterTypes, logCode: false }
    );

    const { gdjs, runtimeScene } = makeMinimalGDJSMock();
    runCompiledEvents(gdjs, runtimeScene, parameterValues);
    return runtimeScene;
  };

  it('can generate a number parameter condition that is true', function () {
    const runtimeScene = generateAndRunVariableAffectationWithConditions(
      { MyParameter: 'number' },
      [123],
      [
        {
          type: { value: 'CompareArgumentAsNumber' },
          parameters: ['"MyParameter"', '=', '123'],
        },
      ]
    );

    expect(runtimeScene.getVariables().has('SuccessVariable')).toBe(true);
    expect(
      runtimeScene.getVariables().get('SuccessVariable').getAsNumber()
    ).toBe(1);
  });

  it('can generate a number parameter condition that is false', function () {
    const runtimeScene = generateAndRunVariableAffectationWithConditions(
      { MyParameter: 'number' },
      [123],
      [
        {
          type: { value: 'BuiltinAdvanced::CompareArgumentAsNumber' },
          parameters: ['MyParameter', '=', '456'],
        },
      ]
    );

    expect(runtimeScene.getVariables().has('SuccessVariable')).toBe(false);
  });

  it('can generate a string parameter condition that is true', function () {
    const runtimeScene = generateAndRunVariableAffectationWithConditions(
      { MyParameter: 'number' },
      ['123'],
      [
        {
          type: { value: 'CompareArgumentAsString' },
          parameters: ['"MyParameter"', '=', '"123"'],
        },
      ]
    );

    expect(runtimeScene.getVariables().has('SuccessVariable')).toBe(true);
    expect(
      runtimeScene.getVariables().get('SuccessVariable').getAsNumber()
    ).toBe(1);
  });

  it('can generate a string parameter condition that is false', function () {
    const runtimeScene = generateAndRunVariableAffectationWithConditions(
      { MyParameter: 'number' },
      ['123'],
      [
        {
          type: { value: 'BuiltinAdvanced::CompareArgumentAsString' },
          parameters: ['MyParameter', '=', '"456"'],
        },
      ]
    );

    expect(runtimeScene.getVariables().has('SuccessVariable')).toBe(false);
  });

  it('can generate a string parameter condition that is true with a contains operator', function () {
    const runtimeScene = generateAndRunVariableAffectationWithConditions(
      { MyParameter: 'string' },
      ['Hello word!'],
      [
        {
          type: { value: 'CompareArgumentAsString' },
          parameters: ['"MyParameter"', 'contains', '"word"'],
        },
      ]
    );

    expect(runtimeScene.getVariables().has('SuccessVariable')).toBe(true);
    expect(
      runtimeScene.getVariables().get('SuccessVariable').getAsNumber()
    ).toBe(1);
  });

  it('can generate a string parameter condition that is false with a contains operator', function () {
    const runtimeScene = generateAndRunVariableAffectationWithConditions(
      { MyParameter: 'string' },
      ['Hello word!'],
      [
        {
          type: { value: 'CompareArgumentAsString' },
          parameters: ['"MyParameter"', 'contains', '"Hi!"'],
        },
      ]
    );

    expect(runtimeScene.getVariables().has('SuccessVariable')).toBe(false);
  });

  it('can copy a variable parameter variable', function () {
    const serializerElement = gd.Serializer.fromJSObject([
      {
        type: 'BuiltinCommonInstructions::Standard',
        conditions: [],
        actions: [
          {
            type: { value: 'CopyArgumentToVariable' },
            parameters: ['"MyParameter"', '__MyExtensionVariable'],
          },
        ],
        events: [],
      },
    ]);

    const runCompiledEvents = generateCompiledEventsFromSerializedEvents(
      gd,
      serializerElement,
      { parameterTypes: { MyParameter: 'scenevar' }, logCode: false }
    );

    const { gdjs, runtimeScene } = makeMinimalGDJSMock();
    const myVariable = runtimeScene.getVariables().get('MyVariable');
    myVariable.getChild('MyChildVariable').setNumber(123);
    runCompiledEvents(gdjs, runtimeScene, [myVariable]);

    // The user variable is copied into a variable with the extension namespace.
    expect(runtimeScene.getVariables().has('__MyExtensionVariable')).toBe(true);
    expect(
      runtimeScene
        .getVariables()
        .get('__MyExtensionVariable')
        .getChild('MyChildVariable')
        .getAsNumber()
    ).toBe(123);
  });

  it('can write a variable parameter variable', function () {
    const serializerElement = gd.Serializer.fromJSObject([
      {
        type: 'BuiltinCommonInstructions::Standard',
        conditions: [],
        actions: [
          {
            type: { value: 'ModVarScene' },
            parameters: ['__MyExtensionVariable.MyChildVariable', '=', '123'],
          },
          {
            type: { value: 'CopyVariableToArgument' },
            parameters: ['"MyParameter"', '__MyExtensionVariable'],
          },
        ],
        events: [],
      },
    ]);

    const runCompiledEvents = generateCompiledEventsFromSerializedEvents(
      gd,
      serializerElement,
      { parameterTypes: { MyParameter: 'scenevar' }, logCode: false }
    );

    const { gdjs, runtimeScene } = makeMinimalGDJSMock();
    const myVariable = runtimeScene.getVariables().get('MyVariable');
    runCompiledEvents(gdjs, runtimeScene, [myVariable]);

    // The extension variable is copied into the user variable.
    expect(runtimeScene.getVariables().has('MyVariable')).toBe(true);
    expect(
      runtimeScene
        .getVariables()
        .get('MyVariable')
        .getChild('MyChildVariable')
        .getAsNumber()
    ).toBe(123);
  });
});