"use strict";

//##########################################Page Memory Functions #########################
function rem(i) {
    var memAddr = null;
    var get_data = null;

    memAddr = Math.floor(Math.random() * 9000000000) + 1000000000;
    memAddr = "remembered_item_" + memAddr;

    remember(memAddr, i);
    //get_temp_item(memAddr);
    //get_data = document.getElementById(memAddr).getAttribute("data-stored_data");
    //document.getElementById(memAddr).parentNode.removeChild(document.getElementById(memAddr));
    //rtns = get_data;
    rtns = memAddr;
    return rtns;
}

function remember(data_id, rem_data) {
    var mem_obj = null;
    var mem_storage_id = null;
    var mem_container = null;
    var is_success = false;

    mem_obj = make_temp_item(data_id, rem_data);
    mem_container = document.getElementById("session_storage_container");
    if (mem_container !== null) {
        is_success = save_temp_item(mem_obj);
        if (is_success === true) {
            //saved to memory successfully
            return true;
        }
    }
    else {
        make_memory_storage_box();
        remember(data_id, rem_data);
    }

}



function make_memory_storage_box() {
    var box = null;
    var div = null;
    box = document.getElementById("session_storage_container");
    if (box === null) {
        div = document.createElement("div");
        div.setAttribute("id", "session_storage_container");
        div.style.display = "none";
        div.style.opacity = 0.0;
        document.body.insertBefore(div, document.body.childNodes[0]);
        return true;
    }
}



function save_temp_item(elem) {
    var box = null;
    box = document.getElementById("session_storage_container");
    if (box !== null) {
        box.appendChild(elem);
        return true;
    }
    else {
        make_memory_storage_box();
        if (elem !== null) {
            save_temp_item(elem);
        }
    }
}


function delete_temp_item(elem) {
    var box = null;
    var elem_id = null;
    var elem_obj = null;

    box = document.getElementById("session_storage_container");
    if (box !== null) {
        elem_id = elem.getAttribute("id");
        elem_obj = document.getElementById(elem_id);
        if (elem_obj !== null) {
            elem_obj.parentNode.removeChild(elem_obj);
            elem_obj = null;
            return true;
        }
    }
    else {
    }
}



function get_temp_item(id_val) {
    var obj = null;
    var obj_data = null;

    obj = document.getElementById(id_val);
    if (obj !== null) {
        obj_data = obj.getAttribute("data-stored_data");
        return obj_data;
    }
}


function make_temp_item(mem_addr, data_val) {
    var div = null;
    var img = null;
    var return_0 = null;

    div = document.createElement("div");
    div.setAttribute("id", mem_addr);
    div.setAttribute("data-stored_data", data_val);
    img = new Image();
    div.appendChild(img);
    img.setAttribute("onload", "make_img_onload_msg_box(this.parentNode.getAttribute('data-stored_data'));");
    img.src = "/chromosphere/images/blank.gif";
    return div;
}



function make_img_onload_msg_box(thinger) {
    console.log(thinger);
    //alert(thinger);
    return thinger;
}


function make_memory_address() {
    var memAddr = null;

    memAddr = Math.floor(Math.random() * 9000000000) + 1000000000;
    memAddr = "remembered_item_" + memAddr;
    return memAddr;
}


//function await_recall(mem_addr) {
//    //var p = new Promise();
//    return memory_obj_exists(mem_addr);
//}



//async function memory_obj_exists(mem_addr) {
//    var obj = null;

//    obj = await document.getElementById(mem_addr);
//    if (obj !== null) {
//        return true;
//    }
//    else {
//        return false;
//    }
//}

//function await_recall(mem_addr) {
//    var p = new Promise(function () {

//    }).then(mem_addr);
//}


//function await_recall(mem_addr) {
//    exists = null;

//    exists = memory_exists(mem_addr);
//    if (exists !== true) {
//        memory_exists(mem_addr);
//        //alert(mem_addr);
//    }
//    else {
//        return mem_addr;
//    }
//}



//function memory_exists(mem_addr) {
//    var m = null;

//    m = document.getElementById(mem_addr);
//    if (m !== null) {
//        return true;
//    }
//    else {
//        return false;
//    }
//}
//function await_return(mem_addr) {
//    if (mem_addr === null) {
//        if (global_await_return_tId === null) {
//            global_await_return_tId = setTimeout(await_return(mem_addr), 50);
//        }
//        else {
//            clearTimeout(global_await_return_tId);
//            global_await_return_tId = setTimeout(await_return(mem_addr), 50);
//        }
//    }
//    else {
//        //alert(elem_id);
//        clearTimeout(global_await_return_tId);
//        return mem_addr;
//    }
//}



//function await_return_II(mem_addr) {
//    var r = null;

//    r = await document.getElementById(mem_addr);
//    if (r !== null) {
//        return r;
//    }
//    else {
//        global_await_return_tId = setTimeout(await_return_II(mem_addr), 100);
//    }
//}

//function await_recall(mem_addr) {

//    var data = null;

//    data = document.getElementById(mem_addr);

//    if (data === null) {
//        global_await_return_tId = setTimeout(await_recall(mem_addr), 100);
//    }
//    else {
//        clearTimeout(global_await_return_tId);
//        return mem_addr;
//    }

//}





//------------------------- some updated retieve memory functions ----------//

//function user_returns2(r) {
//    tId6 = setInterval(get_return2(r), 100);
//}


//function get_return2(r) {
//    var o = null;
//    var val = null;

//    o = document.getElementById(r);
//    if (o !== null) {
//        val = o.getAttribute("data-stored_data");
//        if (val !== null) {
//            clearInterval(tId6);
//            return val;
//        }
//    }
//}
/*
function get_from_memory(mem_addr) {
    let memory_data = memory_returns(mem_addr);
    alert(memory_data);
    return memory_data;
}

function memory_returns(r) {
    tId5 = setInterval(return_memory_value(r), 100);
}

async function return_memory_value(r) {
    var o = null;
    var val = null;

    o = await document.getElementById(r);
    if (o !== null) {
        val = o.getAttribute("data-stored_data");
        if (val !== null) {
            clearInterval(tId5);
            //alert(val);
            //delete_temp_item(o);
            //alert(o);
            return val;
        }
    }
}
*/
//-----------------------end memory return features ----------------------


//########################################## END Page Memory Functions #########################