// ページのロード時にサーバーにデータを送信

function getCookies() {
    let cookies = {};
    document.cookie.split(';').forEach(function(cookie) {
	let parts = cookie.split('=');
	cookies[parts[0].trim()] = parts[1] ? parts[1].trim() : '';
    });
    return cookies;
}

function setFirstPartyCookie(name, value, days) {
    let expires = "";
    if (days) {
        let date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        expires = "; expires=" + date.toUTCString();
    }
    document.cookie = name + "=" + (value || "") + expires + "; path=/";
}


function generateRandomString(length) {
    const characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
    let result = '';
    const charactersLength = characters.length;
    for (let i = 0; i < length; i++) {
        result += characters.charAt(Math.floor(Math.random() * charactersLength));
    }
    return result;
}


function sendPageLoadData() {

    // Set a first-party cookie for visit count
    let randomString = getCookies().meqqalFirst ? getCookies().meqqalFirst : generateRandomString(40);
    setFirstPartyCookie('meqqalFirst', randomString, 365); // Cookie will expire in 1 year
    
    const loadTime = new Date().toISOString();
    const trackingData = {
	event: 'page_load',
	url: window.location.href,
	referrer: document.referrer,
	loadTime: loadTime,
	title: document.title,
	userAgent: navigator.userAgent,
	cookies: getCookies(),
	uuid: randomString,
	code: EMTracker,
    };

    fetch('https://tracking.meqqal.com/receive', {
	method: 'POST',
	headers: {
	    'Content-Type': 'application/json'
	},
	body: JSON.stringify(trackingData),
	credentials: 'include'
    })
	.then(response => response.json())
	.then(data => {
	    console.log('ページロードデータ送信成功:', data);
	})
	.catch((error) => {
	    console.error('ページロードデータ送信エラー:', error);
	});
}

window.onload = sendPageLoadData;