/*
  Copyright (C) 2020-2022 Grégory Soutadé

  This file is part of gPass.

  gPass is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  gPass is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with gPass.  If not, see <http://www.gnu.org/licenses/>.
*/

import {SERVER, browser, notify, debug} from "./misc.js";
import {get_preference, send_tab_message} from "./compat.js";

var username_filled = false;

function _server_response(response, tabs, do_submit, force_copy)
{
    debug("Get Response");
    if (response.value == SERVER.OK)
    {
        /* Only copy */
        if (document.getElementById("clipboard").checked)
        {
	    navigator.clipboard.writeText(response.password).then(function() {
	        notify("Password pasted into clipboard", "");
                window.setTimeout(function() {window.close();}, 2000);
	    });

            return true;
        }

        /* Fill + optional copy */
	var parameters = {
	    "type":"setPassword",
	    "password":response.password,
	    "submit":do_submit,
	};
	send_tab_message(tabs[0].id, parameters,
			 function(arg)
			 {
			     debug("Response to setPassword " + arg);
			     if (arg === "" || force_copy)
			     {
				 navigator.clipboard.writeText(response.password).then(function() {
				     notify("Password pasted into clipboard", "");
                                     window.setTimeout(function() {window.close();}, 2000);
				 });
			     }
			     else
			     {
				 notify("Password filled", "");
                                 window.setTimeout(function() {window.close();}, 2000);
			     }
			 }
			);
    }

    return true;
}

function _query_tabs_get_password(tabs)
{
    var force_copy = false;
    
    if (tabs.length <= 0) return;

    var username = document.getElementById("gPassUsername").value;
    var mkey = document.getElementById("gPassMasterKey").value;

    if (username == "" || mkey == "")
        return;

    document.getElementById("gPassMasterKey").value = "";

    var do_submit = !mkey.startsWith("@_") && username_filled;

    if (mkey.startsWith("@_"))
	force_copy = true;

    if (mkey.startsWith("@@") || mkey.startsWith("@_"))
	mkey = mkey.substring(2);

    var domain = tabs[0].url;

    var logins = new Array();
    logins.push(username);

    var parameters = {
	type:"password",
	logins:logins,
	domain:domain,
	mkey:mkey,
	options:{}
    };

    browser.runtime.sendMessage(parameters, {},
			        function (response)
			        {
                                    return _server_response(response, tabs, do_submit, force_copy);
                                }
			       );

    return true;
}

function get_password(evt)
{
    debug('get_password');

    evt.preventDefault();

    browser.tabs.query({active:true, currentWindow:true}).then(_query_tabs_get_password);

    return false;
}

var pform = document.getElementById("passwordForm");

if (pform != null)
    pform.onsubmit = get_password;

function _query_tabs_init(tabs)
{
    debug("_query_tabs_init");

    if (tabs.length != 1) return;

    /* Fill username */
    var parameters = {
	"type":"getUsername"
    };

    send_tab_message(tabs[0].id, parameters,
			    function (response)
			    {
				if (response !== undefined && response != "")
				{
				    document.getElementById("gPassUsername").value = response;
				    document.getElementById("gPassMasterKey").focus();
				    username_filled = true;
				}
			    });

    /* Clipboard copy */
    parameters = {
	"type":"getPopupClipboard"
    };

    browser.runtime.sendMessage(parameters, {},
    			       function (response)
    			       {
				   document.getElementById("clipboard").checked = response.value;

                                   return true;
			       });

    /* Setup server link address */
    parameters = {
    	"type":"getServerAddress"
    };

    browser.runtime.sendMessage(parameters, {},
    			        function (response)
    			        {
                                    if (tabs[0].url === undefined) return true;
                                    if (tabs[0].url.startsWith("chrome://newtab/")) tabs[0].url = "";
    				    var url = response.value;
    				    url = url.substring(0, url.lastIndexOf('/'));
    				    url += '?';
    				    url += 'url=' + encodeURI(tabs[0].url.split("?")[0]);
    				    url += '&user=' + document.getElementById("gPassUsername").value;
    				    var link = document.getElementById("serverLink");
    				    link.href = url;
    				    return true;
    			        });

    return true;
}

browser.tabs.query({active:true, currentWindow:true}).then(_query_tabs_init);