const privateContentIsLoaded = new Promise((resolve) => {
        window.addEventListener('private-content-loaded', event => {
            const dataObject = event.detail.data['rocket_datalayer'] || {};
            let customerData = {};

            if (dataObject['customer'] && Object.keys(dataObject['customer']).length) {
                customerData = dataObject['customer'];
            }

            return resolve(customerData);
        });
    });

    const datalayerIsReady = new Promise((resolve) => {
        window.addEventListener('datalayer-ready', () => {
            const pageData = {"event_id":"6872e3897eea00.55566004","event":"gtm.datalayer","page_type":"other-page"};

            return resolve(pageData);
        });
    });

    const allPromises = [privateContentIsLoaded, datalayerIsReady];

    try {
        Promise.all(allPromises).then(sendDataGTM)
    } catch (e) {
        //Promise.all is not supported browser
        PromiseAllPolyfill(allPromises).then(sendDataGTM);
    }

    function sendDataGTM(result) {
        const customerEvent = result.shift();
        const pageData = result.shift();

        if (!customerEvent || !pageData) {
            return;
        }

        const dataGTM = Object.assign(pageData);
        const userDataGTM = Object.assign(customerEvent)

        window.dispatchEvent(
            new CustomEvent('datalayer-event',
                {
                    detail: userDataGTM
                }
            )
        );

        window.dispatchEvent(
            new CustomEvent('datalayer-event',
                {
                    detail: dataGTM
                }
            )
        );
    }

    function PromiseAllPolyfill(promises) {
        const results = [];
        let completed = 0;

        return new Promise((resolve, reject) => {
            promises.forEach((value, index) => {
                Promise.resolve(value)
                    .then((res) => {
                        results[index] = res;
                        completed++;
                        if (completed === promises.length) {
                            resolve(results);
                        }
                    }).catch((err) => reject(err));
            });
        });
    }