"use strict";

async function open_window(cid) {
    var original_window = null;
    //var win_id = null;

    //win_id = make_id(cid);
    //opened_win = await make_new_window(win_id, null, null, null, null, "", cid);

    original_window = document.getElementById(get_original_window_id(cid));
    if (original_window !== null) {
        //deactivate_global_active_window();
        //set_active_window(original_window.id);
        //move_to_front(original_window.id);
        original_window.style.zIndex = parseFloat(get_top_window_z_index()) + 1;
        ////original_window.style.zIndex = parseFloat(global_active_window.style.zIndex) + 2;
        //alert(original_window.id);
        return original_window;
    }
    else {
        //alert("c0w");
        return null;
    }
    //move_to_front(win_id);
    //deactivate_global_active_window();
    //set_active_window(opened_win.getAttribute("id"));
}



//async function open_original_window(win_id) {
//    //1.) does an object in the DOM that has the same id exist?
//    //2.) do any duplicate window instances of the original window exist?
//    //3.) if no object exists, and no object duplicate instance exists, then open the window.

//    var win_is_open = null;
//    var has_duplicates = null;
//    var cid = null;
//    var opened_win = null;

//    win_is_open = is_window_already_open(win_id);
//    has_duplicates = has_duplicate_window_instances(win_id);
//    if (win_is_open === true) {
//        if (has_duplicates !== true) {
//            cid = get_content_id_by_win_id(win_id);
//            if (cid !== null) {
//                opened_win = await make_new_window(win_id, null, null, null, null, "", cid);
//            }
//        }
//    }
//    return opened_win;
//}



//This function returns the window object that is currently open, and
//where a window object isn't a duplicate window, return the window object
function get_original_window_id(cid) {
    var win = null;
    var wins = [];
    var i = null;
    var is_duplicate = null;
    var len = null;
    var win_cid = null;


    wins = document.getElementsByName("web_window");
    if (wins !== null) {
        len = wins.length;
        for (i = 0; i < len; i++) {
            win = wins[i];
            win_cid = win.getAttribute("id").split("_")[2];
            //alert(win_cid);
            if (cid === win_cid) {
                if (win.hasAttribute("data-is_duplicate_window") === true) {
                    is_duplicate = win.getAttribute("data-is_duplicate_window");
                    if (is_duplicate === "false" || is_duplicate === false) {
                        return win.getAttribute("id");
                    }
                }
            }
        }
    }
    return null;
}

//async function open_original_window(win_id) {
//    //1.) does an object in the DOM that has the same id exist?
//    //2.) do any duplicate window instances of the original window exist?
//    //3.) if no object exists, and no object duplicate instance exists, then open the window.

//    var win_is_open = null;
//    var has_duplicates = null;
//    var cid = null;
//    var opened_win = null;

//    win_is_open = is_window_already_open(win_id);
//    has_duplicates = has_duplicate_window_instances(win_id);
//    if (win_is_open !== true) {
//        if (has_duplicates !== true) {
//            cid = get_content_id_by_win_id(win_id);
//            if (cid !== null) {
//                opened_win = await make_new_window(win_id, null, null, null, null, "", cid);
//            }
//        }
//    }
//    return opened_win;
//}


async function open_duplicate_window_instance(win_id) {
    var win_is_open = null;
    var duplicate_win = null;

    win_is_open = is_window_already_open(win_id);
    if (win_is_open === "true" || win_is_open === true) {
        cid = get_content_id_by_win_id(win_id);
        if (cid !== null) {
            duplicate_win = await make_new_window(null, null, null, null, null, (get_window_title(win_id) + " (Duplicate)"), cid);
        }
    }
    return duplicate_win;
}

function has_duplicate_window_instances(win_id) {
    var cid = null;
    var win = null;
    var wins = [];
    var i = null;
    var id_attr = null;
    var win_cid = null;
    var has_duplicate_instances = null;

    has_duplicate_instances = false;
    cid = get_content_id_by_win_id(win_id);
    if (cid !== null) {
        cid = cid.toString();
        wins = document.getElementsByName("web_window");
        if (wins.length > 0) {
            for (i = 0; i < wins.length;i++) {
                win = wins[i];
                if (win !== null) {
                    if (win.hasAttribute("id") === true) {
                        id_attr = win.getAttribute("id");
                        if (typeof id_attr === "string" && id_attr.indexOf("_") >= 0) {
                            win_cid = id_attr.split("_")[2];
                            win_cid = win_cid.toString();
                            if (win_cid === cid) {
                                has_duplicate_instances = true;
                            }
                        }
                    }  
                }
            }
        }
    }
    return has_duplicate_instances;
}



function is_window_already_open(win_id) {
    var win = null;
    var win_is_open = null;

    win_is_open = false;
    win = document.getElementById(win_id);
    if (win !== null) {
        win_is_open = true;
    }
    return win_is_open;
}


//Each window has an 'id' HTML attribute. By default, the content_id
//string is formatted as 'window_00001_1000000000000000'. Returns the 
//'1000000000000000' portion of the string
function get_content_id_by_win_id(win_id) {
    var cid = null;

    if (typeof win_id === "string" && win_id.length > 0) {
        if (win_id.indexOf("_") >= 0) {
            cid = win_id.split("_")[2];
        }
        else {
            return null;
        }
    }
    return cid;
}



function duplicate_window_count(win_id) {
    var wins = [];
    var win = null;
    var i = null;
    var is_duplicate = null;
    var duplicate_count = null;
    var cid = null;

    duplicate_count = 0;

    cid = get_content_id_by_win_id(win_id);
    if (typeof cid === "string" && cid.length > 0 && cid !== null) {
        //a valid content_id string was returned. continue on with function.
    }
    else {
        //cid = "1000000000000000";
        return null; //exit the function. The content_id string isn't valid.
    }

    wins = document.getElementsByName("web_window");
    if (wins !== null) {
        if (wins.length > 0) {
            for (i = 0; i < wins.length; i++) {
                win = wins[i];
                if (win !== null) {
                    if (win.hasAttribute("data-is_duplicate_window") === true) {
                        is_duplicate = win.getAttribute("data-is_duplicate_window");
                        if (is_duplicate === "true" || is_duplicate === true) {
                        duplicate_count++;
                        }
                    }
                }
            }
        }
    }
    return duplicate_count;
}


/*
function open_original_window(cid) {
    var duplicate_window_exists = null;
    var is_duplicate_window_instance = null;

    //if there are any open instances of the original window with
    //the same content_id, but unique HTML attribute, returns true.
    is_duplicate_window_instance = false;
    is_duplicate_window_instance = "";

    //the win_id value only uses the content_id, provided
    //it's inside a string.
    //(e.g.the win_id is 'window_0001_2143827258885544', BUT the funtion only checks the'2143827258885544' section of the id value.)
    duplicate_window_exists = false; //default to false
    duplicate_window_exists = duplicate_window_exists(win_id); 

}


//if the window is an instance of an original window.
function is_duplicate_window_instance(win_id) {
    var w = null;
    var is_duplicate = null;
    var is_original_window = null;
    var output = null;

    is_duplicate = false;
    is_original_window = false;
    output = null;

    w = document.getElementById(win_id);
    if (w !== null) {

    }
    else {

    }
}


function is_duplicate_window(win_id) {
    var wins = [];
    var win = null;
    var i = null;
    var is_duplicate = null;
    var duplicate_count = null;
    var cid = null;

    duplicate_count = 0;


    
    cid = get_content_id_by_win_id(win_id);
    if (typeof cid === "string" && cid.length > 0 && cid !== null) {
        //a valid content_id string was returned. continue on with function.
    }
    else {
        //cid = "1000000000000000";
        return null; //exit the function. The content_id string isn't valid.
    }

    wins = document.getElementsByName("web_window");
    if (wins !== null) {
        if (wins.length > 0) {
            for (i = 0; i < wins.length; i++) {
                win = wins[i];
                if (win !== null) {
                    if (win.hasAttribute("data-is_duplicate_window") === true) {
                        is_duplicate = win.getAttribute("data-is_duplicate_window");
                        if (is_duplicate === "true" || is_duplicate === true) {
                            duplicate_count = duplicate_count++;
                        }
                    }
                }
            }
        }
    }
    return duplicate_count;
}







*/