"use strict";

//2024-11-24:
//this script contains functions for reading, writing,
//and removing data from one window to another.
//this script is part of the central processing system.
//it's a bit of a mixed mess right now. the files listed below
//both exist in more than one location on the file system.
//see file: 'cps_functions.js'
//see file: 'win_to_win_comms.js'
//see file: 'create_window.js'
//see file: 'window.js'
function write_to_window(win_id, data, overwrite = false) {
    
    var win_content_box = null;

    win_content_box = document.getElementById(win_id + "_inner_contents_container");
    if (win_content_box !== null) {
        setTimeout(function () {  
            if (overwrite === false) {
                win_content_box.innerHTML = win_content_box.innerHTML + data;
            }
            else if (overwrite === true) {
                win_content_box.innerHTML = data;
            }
            write_window_content_to_database(win_id, win_content_box.innerHTML);
            setTimeout(function () {
                

                //this function sets a "do reload" flag
                //in the designated window. Once the do
                //reload flag has been set to true, then
                //the window reloads its content from the
                //server. see file: 'reload_window.js'
                ////set_do_reload_window_true(win_id);

                //the following function call executes
                //the "reload window" function. once the
                //reload flag has been set to true on a
                //window, the reload function can be called.
                //see file: 'reload_window.js'
                reload_content(win_id);

                //this function sets a "do NOT reload" flag
                //in the designated window. once the do
                //reload flag has been set to false, then
                //the window doesn't reload again. 
                //see file: 'reload_window.js'
                set_do_reload_window_false(win_id);
            }, 500);
        }, 10);
    }
}


function write_window_content_to_database(win_id, data) {
    var win = null;
    var u = null;
    var b = null;
    var txt = null;
    var f = null;
    var content_data_id = null;

    win = document.getElementById(win_id);
    if (win !== null) {
        content_data_id = win.id.split("_")[2].toString();
        
        b = return_base_path();
        f = new FormData();
        u = b + "/chromosphere/scripts/js/ui/ss/contents_and_js/set_content?i=" + content_data_id;
        txt = data.toString();
        f.append("contentDataTextEditor", txt);
        http_post_form_write_to_window(u, f);
    }
}


function http_post_form_write_to_window(u, form_data) {
    var xhr = new XMLHttpRequest();

    xhr.open("POST", u, true);
    ////alert("posted");
    ////xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8");
    ////xhr.setRequestHeader("Content-Type", "text/plain; charset=utf-8");
    xhr.onreadystatechange = function () { // Call a function when the state changes.
        if (this.readyState === XMLHttpRequest.DONE && this.status === 200) {
            ////alert("text has been saved.");
        }
    }
    xhr.send(form_data);
}


function write_HTML_to_window(win_id, HTML_text = "") {

}

function append_HTML_to_window(win_id, HTML_text = "") {

}

function insert_HTML_to_window(win_id, HTML_text = "") {

}

function remove_HTML_to_window(win_id, HTML_text = "") {

}

function read_window_HTML() {

}