import seedrandom from 'seedrandom';
import lolex from 'lolex';

// const NativeDate = window.Date;

// const fixedTimestamp = 1566458693300;
// const actualTimestamp = NativeDate.now();
// function MockDate(params) {
//     if (!params) {
//         const elapsedTime = NativeDate.now() - actualTimestamp;
//         return new NativeDate(fixedTimestamp + elapsedTime);
//     }
//     else {
//         return new NativeDate(params);
//     }
// }
// MockDate.prototype = new Date();
// // Fixed date
// window.Date = MockDate;

// export function createScreenshotTest (desc, elementQuery, waitTime) {

// };

/**
 * Take screenshot immediately.
 * @param {string} desc
 * @param {string} [elementQuery] If only screenshot specifed element. Will do full page screenshot if it's not give.
 */
export function compareScreenshot (desc, elementQuery) {
    return puppeteerScreenshot(desc, elementQuery);
};

/**
 * Finish the test.
 */
export function finish() {
    return puppeteerFinishTest();
};


let myRandom = new seedrandom('echarts-test');
// Fixed random generator
Math.random = function () {
    const val = myRandom();
    return val;
};

// lolex.install({
//     shouldAdvanceTime: true,
//     advanceTimeDelta: 200,
//     now: fixedTimestamp
// });