import { assert } from 'chai';
import { spawn, Thread, Worker } from 'threads/dist';

import { readFileAsString } from '../../../../helpers/readFileAsString';

import { NO_ADDITIONAL_NODES_PRESET } from '../../../../../src/options/presets/NoCustomNodes';

import { IdentifierNamesGenerator } from '../../../../../src/enums/generators/identifier-names-generators/IdentifierNamesGenerator';
import { ObfuscationTarget } from '../../../../../src/enums/ObfuscationTarget';

import { JavaScriptObfuscator } from '../../../../../src/JavaScriptObfuscatorFacade';

async function spawnThread(obfuscatedCode: string, threadCallback: Function, timeoutCallback: Function): Promise<void> {
    const evaluationWorker = await spawn(new Worker('./workers/evaluation-worker'));

    const timeout = setTimeout(() => {
        Thread.terminate(evaluationWorker);
        timeoutCallback();
    }, 1500);

    const result: string = await evaluationWorker.evaluate(obfuscatedCode);

    clearTimeout(timeout);
    Thread.terminate(evaluationWorker);
    threadCallback(result);
}

describe('DebugProtectionFunctionCallTemplate', function () {
    this.timeout(10000);

    describe('Variant #1: correctly obfuscate code with `HexadecimalIdentifierNamesGenerator``', () => {
        const expectedEvaluationResult: number = 1;

        let obfuscatedCode: string,
            evaluationResult: number = 0;

        beforeEach((done) => {
            const code: string = readFileAsString(__dirname + '/fixtures/input.js');

            obfuscatedCode = JavaScriptObfuscator.obfuscate(
                code,
                {
                    ...NO_ADDITIONAL_NODES_PRESET,
                    debugProtection: true,
                    identifierNamesGenerator: IdentifierNamesGenerator.HexadecimalIdentifierNamesGenerator
                }
            ).getObfuscatedCode();

            spawnThread(
                obfuscatedCode,
                (response: number) => {
                    evaluationResult = response;
                    done();
                },
                () => {
                    done();
                }
            );
        });

        it('should correctly evaluate code with enabled debug protection', () => {
            assert.equal(evaluationResult, expectedEvaluationResult);
        });
    });

    describe('Variant #2: correctly obfuscate code with `MangledIdentifierNamesGenerator` option', () => {
        const expectedEvaluationResult: number = 1;

        let obfuscatedCode: string,
            evaluationResult: number = 0;

        beforeEach((done) => {
            const code: string = readFileAsString(__dirname + '/fixtures/input.js');

            obfuscatedCode = JavaScriptObfuscator.obfuscate(
                code,
                {
                    ...NO_ADDITIONAL_NODES_PRESET,
                    debugProtection: true,
                    identifierNamesGenerator: IdentifierNamesGenerator.MangledIdentifierNamesGenerator
                }
            ).getObfuscatedCode();

            spawnThread(
                obfuscatedCode,
                (response: number) => {
                    evaluationResult = response;
                    done();
                },
                () => {
                    done();
                }
            );
        });

        it('should correctly evaluate code with enabled debug protection', () => {
            assert.equal(evaluationResult, expectedEvaluationResult);
        });
    });

    describe('Variant #3: correctly obfuscate code with `DictionaryIdentifierNamesGenerator` option', () => {
        const expectedEvaluationResult: number = 1;

        let obfuscatedCode: string,
            evaluationResult: number = 0;

        beforeEach((done) => {
            const code: string = readFileAsString(__dirname + '/fixtures/input.js');

            obfuscatedCode = JavaScriptObfuscator.obfuscate(
                code,
                {
                    ...NO_ADDITIONAL_NODES_PRESET,
                    debugProtection: true,
                    identifierNamesGenerator: IdentifierNamesGenerator.DictionaryIdentifierNamesGenerator,
                    identifiersDictionary: ['foo', 'bar', 'baz', 'bark', 'hawk', 'eagle']
                }
            ).getObfuscatedCode();

            spawnThread(
                obfuscatedCode,
                (response: number) => {
                    evaluationResult = response;
                    done();
                },
                () => {
                    done();
                }
            );
        });

        it('should correctly evaluate code with enabled debug protection', () => {
            assert.equal(evaluationResult, expectedEvaluationResult);
        });
    });

    describe('Variant #4: correctly obfuscated code with target `BrowserNoEval`', () => {
        const expectedEvaluationResult: number = 1;

        let obfuscatedCode: string,
            evaluationResult: number = 0;

        beforeEach((done) => {
            const code: string = readFileAsString(__dirname + '/fixtures/input.js');

            obfuscatedCode = JavaScriptObfuscator.obfuscate(
                code,
                {
                    ...NO_ADDITIONAL_NODES_PRESET,
                    debugProtection: true,
                    target: ObfuscationTarget.BrowserNoEval
                }
            ).getObfuscatedCode();

            spawnThread(
                obfuscatedCode,
                (response: number) => {
                    evaluationResult = response;
                    done();
                },
                () => {
                    done();
                }
            );
        });

        it('should correctly evaluate code with enabled debug protection', () => {
            assert.equal(evaluationResult, expectedEvaluationResult);
        });
    });

    describe('Variant #5: obfuscated code with removed debug protection code', () => {
        const expectedEvaluationResult: number = 0;

        let obfuscatedCode: string,
            evaluationResult: number = 0;

        beforeEach((done) => {
            const code: string = readFileAsString(__dirname + '/fixtures/input.js');

            obfuscatedCode = JavaScriptObfuscator.obfuscate(
                code,
                {
                    ...NO_ADDITIONAL_NODES_PRESET,
                    debugProtection: true
                }
            ).getObfuscatedCode();
            obfuscatedCode = obfuscatedCode.replace(/\+\+ *_0x([a-f0-9]){4,6}/, '');

            spawnThread(
                obfuscatedCode,
                (response: number) => {
                    evaluationResult = response;
                    done();
                },
                () => {
                    done();
                }
            );
        });

        it('should enter code in infinity loop', () => {
            assert.equal(evaluationResult, expectedEvaluationResult);
        });
    });

    describe('Variant #6: single call of debug protection code', () => {
        const expectedEvaluationResult: number = 1;

        let obfuscatedCode: string,
            evaluationResult: number = 0;

        beforeEach((done) => {
            const code: string = readFileAsString(__dirname + '/fixtures/single-call.js');

            obfuscatedCode = JavaScriptObfuscator.obfuscate(
                code,
                {
                    ...NO_ADDITIONAL_NODES_PRESET,
                    debugProtection: true
                }
            ).getObfuscatedCode();

            spawnThread(
                obfuscatedCode,
                (response: number) => {
                    evaluationResult = response;
                    done();
                },
                () => {
                    done();
                }
            );
        });

        it('should correctly evaluate code with enabled debug protection', () => {
            assert.equal(evaluationResult, expectedEvaluationResult);
        });
    });
});