let isOpen = false;

document.addEventListener("DOMContentLoaded", function() {
    const url = new URL(document.location);
    const params = Object.fromEntries(url.searchParams.entries());

    const path = url.pathname;
    const segments = path.split("/").filter(Boolean); // ["link", "touchclass"]
    const cpId = segments[1] ?? "touchclass";

    const isIPHONE = /iPhone|iPad|iPod/.test(navigator.userAgent);
    const isANDROID = /Android/.test(navigator.userAgent);
    const isKakaoOrNaver = /KAKAOTALK|NAVER/.test(navigator.userAgent);

    function getOpenURL() {
        const scheme = getScheme(cpId);        
        const query = new URLSearchParams();
        if (params.attendanceId) {
	        query.set("attendanceId", params.attendanceId);
		} else if (params.tokenkey) { //sso
			query.set("tokenkey", params.tokenkey);
			query.set("cp_id", params.cp_id);
        } else if (params.course_id) {
	        if (params.course_id) query.set("course_id", params.course_id);
	        if (params.curriculum_id) query.set("curriculum_id", params.curriculum_id);
	        if (params.page_id) query.set("page_id", params.page_id);
			if (params.type) query.set("type", params.type);
        } else if (params.post_id) {
			query.set("post_id", params.post_id);
        } else if (params.notice_id) {
	        query.set("notice_id", params.notice_id);
        } else if (params.live_id) {
     		query.set("live_id", params.live_id);
        } else if (params.ttube_channel_id) {
            query.set("ttube_channel_id", params.ttube_channel_id);
        } else if (params.ttube_video_id) {
            query.set("ttube_video_id", params.ttube_video_id);
        } 
        
        if (params.t){
     		query.set("t", params.t);	        
        }
        
        return `${scheme}://open?${query.toString()}`;
    }

    function openApp() {
        const openURL = getOpenURL();
        const scheme = getScheme(cpId);
        if (!openURL && !scheme) return;

        const fallbackUrl = getFallbackUrl(cpId);

        if (isANDROID) {
            const package = getAndroidPackageName(cpId);
            const intentPath = openURL.split("://")[1];
            let intentUrl = `intent://${intentPath}#Intent;scheme=${scheme};package=${package};`;
            if (fallbackUrl) {
              intentUrl += `S.browser_fallback_url=${encodeURIComponent(fallbackUrl)};`;
            }
            intentUrl += 'end;';
            window.location.href = intentUrl;
        } else if (isIPHONE) {
            window.location.href = openURL;
        }
   		isOpen = true;
    }

    if (isKakaoOrNaver) {
        setTimeout(openApp, 200);
    } else {
        openApp();
    }    
    
    document.addEventListener("visibilitychange", function () {
		if (isKakaoOrNaver && isIPHONE) {
	        if (document.visibilityState === "visible") {
		        if (!isOpen) {
			        const answer = confirm("앱을 실행 하시겠습니까?");
					if (answer) {
				        openApp();
					}
		        }
				isOpen = false;
		    }			
		}
    });
});

function getFallbackUrl(cpId) {
    switch (cpId) {
        case "samsunglife":
            return "https://samsunglife.touchclass.com/member/install";
        case "cjlogistics":
            return "https://smplus.touchclass.com/member/install";
        case "aiatv":
            return "https://app.touchclass.com/install/aiatv/index.html";
        case "aiatv1":
            return "https://app.touchclass.com/install/aiapp/index.html";
        case "hansae":
            return "https://app.touchclass.com/install/hansae/index.html";
        default:
            return "";
    }
}

function getScheme(cpId) {
    switch (cpId) {
        case "touchclass":
            return "touchclass";
        case "ecabinet":
        case "everland":
            return "touchclassecabinet";
        case "samsunglife":
            return "touchclasssamsunglife";
        case "cjlogistics":
            return "touchclasscjlogistics";
        case "samsungfire":
            return "touchclasssamsungfire";
        case "rcmove":
        	return "touchclassrcmove";
        case "aiatv":
            return "touchclassaiatv";
        case "aiatv1":
            return "touchclassaiapp";
        case "hansae":
            return "touchclasshansae";
        default:
            return "touchclass";
    }
}

function getAndroidPackageName(cpId) {
    switch (cpId) {
        case "touchclass":
            return "com.newin.touchclass";
        case "ecabinet":
        case "everland":
            return "com.newin.touchclass.ecabinet";
        case "samsunglife":
            return "com.newin.touchclass.samsunglife";
        case "cjlogistics":
            return "com.newin.touchclass.cjlogistics";
        case "samsungfire":
            return "com.newin.touchclass.samsungfire";
        case "aiatv":
            return "com.newin.touchclass.aiatv";
        case "aiatv1":
            return "com.newin.touchclass.aiapp";
        case "hansae":
            return "com.hansae.communication";            
        default:
            return "com.newin.touchclass";
    }
}