"use strict";

//2024-15-2024:
//This script is made up of functions
//that tend to be rarely used, take up
//too many lines of code, disrupt from
//the main code process (making code
//easier to read) in a file for main
//operations, or other various reasons
//not mentioned, here.
//The main processes are located in the file:
//'tab_windows.js'. The aformentioned script
//depends on this file in order to operate.


//2024-15-2024:
/* ------------------------------------------------
//BEGIN WINDOW LAYER (Z-INDEX) REORDERING FUNCTIONS
--------------------------------------------------*/

//2024_15_2024:
//This is where the feature begins.
//its default argument is the id of
//the globally active window. Otherwise,
//the 'win_id' argument is designated
//by the originating function call.
//[END COMMENT]
function start_arrange_tabbed_windows(win_id = global_active_window_id) {
    return arrange_tabbed_windows(win_id); //outputs true if successful.
}

//2024-15-2024:
//This function is called in order to start running
//the main (CSS z-index) rearrangement tasks. 
//Those tasks handle tabbed windows, and rearrange
//them as layers (CSS z-index) in accoracne with
//the respective window's id attribute.
//[END COMMENT]
function arrange_tabbed_windows(win_id) {
    var win = null;
    var output = null;

    win = document.getElementById(win_id);
    if (win !== null) {
        window_reset_zIndexes();
        if (is_window_tabbed(win_id) === true) {
            set_tabbed_zIndex_backward(win_id);
            output = true;
        }
        else if (is_window_tabbed(win_id) === false) {
            ////win.style.zIndex = get_top_window_zIndex() + 1.0;
            move_to_front(win_id);
            output = true;
        }
    }
    return output;
}
//2024-15-2024:
//Reset the z-index CSS number for all windows
//so that they don't keep climbing in numbers.
//This function resets all windows from 1, to
//N, where N is the number of web windows.
//[END COMMENT]
function window_reset_zIndexes() {
    var wins = null;
    var win = null;
    var win_count = null;
    var i = null;

    wins = document.getElementsByName("web_window");
    if (wins !== null) {
        win_count = wins.length;
        for (i = 0; i < win_count; i++) {
            win = wins[i];
            win.style.zIndex = (i + 1);
        }
    }
}


//2024-15-2024:
//This takes any window placed as a tabbed window,
//and sets it to the bottom layer of all web-windows.
//This function is set to take a window's id, get the z-index
//of the lowest window, and place it at the bottom.
//[END COMMENT]
function set_tabbed_zIndex_backward(win_id) {
    var win = null;

    win = document.getElementById(win_id);
    if (win !== null) { 
        win.style.zIndex = get_bottom_window_zIndex() - 1.0;
    }
}

//2024-15-2024:
//If the window is being displayed as a tabbed window,
//this function returns true. If the window is not being
//displayed as as a tabbed window, it returns false.
//For any other value, the function returns null.
//Additionally, this windows "is tabbed" status, is
//stored within the HTML tag for a window inside
//the 'data-is_tabbed' attribute. Defaults to
//returning null.
//[END COMMENT]
function is_window_tabbed(win_id) {
    var win = null;
    var is_tabbed = null;
    var attr = null;

    win = document.getElementById(win_id);
    if (win !== null) {
        if (win.hasAttribute("data-is_tabbed") === true) {
            attr = win.getAttribute("data-is_tabbed");
            if (attr === "true" || attr === true) {
                is_tabbed = true;
            }
            else if (attr === "false" || attr === false) {
                is_tabbed = false;
            }
        }
    }
    return is_tabbed;
}


/* ------------------------------------------------
//END WINDOW LAYER (Z-INDEX) REORDERING FUNCTIONS
--------------------------------------------------*/