Caster Command Module for KoalaBot

/*
  Caster Command - By DryRoastedLemon
  Used to call out a streamer and show what game he/she last played.
  Can be configured via the panel. You can change the following:
    - Whether mod status is needed or not
    - The timeout duration
    - The message that's sent
 */

 var modCaster = (function() {

    // Saving the settings
    var _saveSettings = function() {
        apiWriteFile( _settingsFileName, JSON.stringify(_casterSettings) );
    };

     // Private variables
     var _myTab = apiAddTab( "Caster Command" );
     var _casterSettings = {
         requiresMod: true,
         timeOut: 10 * 1000,
         message: `Check out [caster]'s stream over at [link] and drop them a follow! [caster] last played [game]`
     };
     var _settingsFileName = "modCasterSettings.ini";
     var _timedOut = false;

     // Load settings
     var _settingsFile = apiOpenFile( _settingsFileName );
     if ( !_settingsFile) { // If the file doesn't exist save settings
         _saveSettings();
     } else {
         _casterSettings = $.parseJSON( _settingsFile ); // If the file exists load the settings
     }

    // Add the !caster command
    if (_casterSettings.requiresMod) {
        _addCommand( "caster", "modCaster.casterCmd", "mod");
    } else {
        _addCommand( "caster", "modCaster.casterCmd", "all");
    }

     // Module tab
    $(_myTab).html(`
        <div class="row-fluid">
            <div class="col-sm-12">
                <div class="panel panel-default">
                    <div class="panel-heading">
                        <h2 class="panel-title">Caster Command options</h2>
                    </div>
                    <ul class="list-group">
                        <li class="list-group-item">
                            <strong>Requires moderator status:</strong>
                            <button id="modCasterEnableMod" class="btn btn-xs">Yes</button>
                            <button id="modCasterDisableMod" class="btn btn-xs">No</button>
                        </li>
                        <li class="list-group-item">
                            <strong>Time-out Duration:</strong>
                            <input id="modCasterTimeoutInput" type="text" size="4"> seconds.
                        </li>
                        <li class="list-group-item">
                            <p><strong>Message:</strong>
                            <input id="modCasterMessageInput" type="text" size="80">
                            <p>You can use the following tags in your message:</p>
                            <ul>
                                <li>[caster] - The caster's username.</li>
                                <li>[link] - The link to the caster's Twitch channel.</li>
                                <li>[game] - The caster's last played game.</li>
                            </ul>
                        </li>
                        <li class="list-group-item">
                            <p><strong>Directions</strong></p>
                            <p>Usage: !caster [twitch username]</p>
                        </li>
                    </ul>
                </div>
            </div>
        </div>`);

    // Initial panel settings
    // Mod button colors
    if (_casterSettings.requiresMod) {
        $("#modCasterEnableMod")
            .addClass("btn-info");
        $("#modCasterDisableMod")
            .addClass("btn-danger");
    } else {
        $("#modCasterEnableMod")
            .addClass("btn-danger");
        $("#modCasterDisableMod")
            .addClass("btn-info");
    }

    // Time-out duration
    $( "#modCasterTimeoutInput" ).val(_casterSettings.timeOut / 1000);
    $( "#modCasterMessageInput" ).val(_casterSettings.message);

    // Message
    $( "#modCasterMessageInput" ).val(_casterSettings.message);

    // Settings are automatically saved as you change any settings
    // Mod requirement settings
    $( "#modCasterEnableMod" ).click(function() {
        $( "#modCasterEnableMod" ).removeClass( "btn-danger" ).addClass( "btn-info" );
        $( "#modCasterDisableMod" ).removeClass( "btn-info" ).addClass("btn-danger");
        _casterSettings.requiresMod = true;
        _addCommand( "caster", "modCaster.casterCmd", "mod");
        _saveSettings();
    });
    $( "#modCasterDisableMod" ).click(function() {
        $( "#modCasterEnableMod" ).removeClass( "btn-info" ).addClass( "btn-danger" );
        $( "#modCasterDisableMod" ).removeClass( "btn-danger" ).addClass("btn-info");
        _casterSettings.requiresMod = false;
        _addCommand( "caster", "modCaster.casterCmd", "all");
        _saveSettings();
    });

    // Time-out duration
    $( "#modCasterTimeoutInput" ).change(function() {
            var temp = $( "#modCasterTimeoutInput" ).val();
            if (Math.floor(temp) == temp && $.isNumeric(temp) && temp >= 0) {
                _casterSettings.timeOut = temp * 1000;
                _saveSettings();
            } else {
                $( "#modCasterTimeoutInput" ).val(_casterSettings.timeOut);
                alert("Please enter a positive integer (e.g.: 1, 2, 3).");
            }
    });

    // Message
    $( "#modCasterMessageInput" ).change(function() {
            _casterSettings.message = $( "#modCasterMessageInput" ).val();
            _saveSettings();
    });

    // Engaging the time-out
    var _timeOut = function(duration) {
        _timedOut = true;
        setTimeout( function() { _timedOut = false; }, duration );
    };

    // The !caster Command
    var _casterCmd = function(params, from) {
        // Check for mod requirement and mod status
        //if (_casterSettings.requiresMod && (!mod || from.toLowerCase() != apiGetChannelName())) return;

        if (!params[0]) {
            return apiSay( "Usage: !caster [castername]" );
        } else {
            if( _timedOut ) return;

            var caster = params[0];
            $.get(
            "https://api.rtainc.co/twitch/game",
            { "channel": caster },
            function( data ){
                if ( data.includes( "<br />" )) return apiSay( "Couldn't find any results!" ); // I don't know how to properly check for errors, but this works for the time being.
                else {
                    // Replace the [caster], [link] and [game] tags with actual data.
                    // The code's ugly, but I had to escape the brackets.
                    var message = _casterSettings.message;
                    message = message.replace( /\[caster\]/g, caster );
                    message = message.replace( /\[link\]/g, "http://twitch.tv/" + caster.toLowerCase() );
                    message = message.replace( /\[game\]/g, data );

                    apiSay( message );
                    _timeOut(_casterSettings.timeOut);
                }
            });
        }
    };

    return {
        casterCmd: _casterCmd
    };

    // -------------------- Updating the command --------------------
    // Declared in this way so it's created at parse-time.

    function _addCommand(cmd, functionName, accesslevel) {
        var description = "Gives a shoutout to other streamers.";

        // Remove the command if it exists
        for (var i = 0; i < cmdList.length; i++) {
            if (cmdList[i].cmd == cmd) {
                cmdList.splice(i, 1);
            }
        }

        // Add the command with the correct accesslevel
        apiAddCmd(cmd, functionName, accesslevel, description);
    }

 })();