var Devcon = new (function() {
    var publicMethods = {
        commandLogs: [],
        actualCommand: -1,

        toggle: function() {
            $(".devcon").addClass("toggle");
        },

        bindInputActions: function() {
            var thisReference = this;

            $('.devcon input[type="text"]').keydown(function(event) {
                switch(event.keyCode) {
                    case 38:
                        //Go forward in history
                        thisReference.actualCommand++;

                        if(thisReference.commandLogs[thisReference.actualCommand] == undefined) {
                            thisReference.actualCommand--;
                        }

                        var inputText = thisReference.commandLogs[thisReference.actualCommand];

                if(inputText == undefined) {
                            return true;
                        }

                        $('.devcon input[type="text"]').val(inputText);
                    break;

                    case 40:
                        //Go backward in history
                        thisReference.actualCommand--;

                if(thisReference.commandLogs[thisReference.actualCommand] == undefined && thisReference.actualCommand != -1) {
                            thisReference.actualCommand++;
                        }

                        var inputText = thisReference.commandLogs[thisReference.actualCommand];

                        if(thisReference.actualCommand == -1) {
              inputText = '';
                        } else if(inputText == undefined) {
                            return true;
                        }

                        $('.devcon input[type="text"]').val(inputText);
                    break;
                }
            });
        },


    executeUserCommand: function(commandInput) {
            var command = this.parseCommand(commandInput);

            this.log("> "+commandInput);
            this.saveCommand(commandInput);

            if(this.commandExists(command.commandName)) {
                this[command.commandName](command.arguments);
            } else {
                this.errorLog("Command "+command.commandName+" doesn't exist!");
            }
        },


    parseCommand: function(command) {
            var commandArgs = Array(),
                prevCommand = command,
              startedTextString = false,
              isOpenString = false,
              isCloseString = false;

          command += " ";

          while(prevCommand != command) {
            prevCommand = command;

            command = command.replace(/^.*? /igm, function(match) {
              var argument = match.replace(" ", "");

              isOpenString = false;
              isCloseString = false;

              if((/^"/).test(match)) {
                startedTextString = true;
                isOpenString = true;

                match = match.replace("\"", "");
              }

                    if((/(" |")$/).test(match)) {
                startedTextString = false;
                isCloseString = true;

                match = match.replace(/(" |")$/, "");
              }

                    if(startedTextString || isCloseString) {
                if(isOpenString) {
                    var lastKey = commandArgs.length;
                } else {
                    var lastKey = commandArgs.length - 1;
                }

                if(commandArgs[lastKey] == undefined) {
                    commandArgs[lastKey] = "";
                }

                commandArgs[lastKey] += match;
              } else {
                commandArgs.push(argument);
                    }

              return '';
            });
            }

          for(var c in commandArgs) {
            if(parseFloat(commandArgs[c]) == commandArgs[c]) {
                commandArgs[c] = parseFloat(commandArgs[c]);
            } else if((/^\{.*?\}$/).test(commandArgs[c]) == true) {
                commandArgs[c] = JSON.parse(commandArgs[c]);
            }
          }

                return {
                    commandName: commandArgs.shift(),
                    arguments: commandArgs
                }
        },


        commandExists: function(commandName) {
            return (this[commandName] != undefined);
        },


        log: function(message) {
            if(typeof message == "object") {
                message = message[0];
            }

            $(".devcon .log").html(function(n, current) {
                return current + message+"<br>";
            });
        },


    errorLog: function(message) {
            if(typeof message == "object") {
                message = message[0];
            }

            this.log('<font color="#ff5555">'+message+'</font>');
        },


        warningLog: function(message) {
            if(typeof message == "object") {
                message = message[0];
            }

            this.log('<font color="#fdff55">'+message+'</font>');
        },


        infoLog: function(message) {
            if(typeof message == "object") {
                message = message[0];
            }

            this.log('<font color="#55e5ff">'+message+'</font>');
        },


        successLog: function(message) {
            if(typeof message == "object") {
                message = message[0];
            }

            this.log('<font color="#43ff24">'+message+'</font>');
        },


        saveCommand: function(input) {
            this.commandLogs.unshift(input);
            this.actualCommand = -1;
        },


        createCommand: function(commandName, callback, overwrite) {
            if(this.commandExists(commandName) && overwrite || !this.commandExists(commandName)) {
                this[commandName] = callback
            } else {
                this.errorLog("Command "+commandName+" actually exists!");
            }
        }
    };

    for(var c in publicMethods) {
        this[c] = publicMethods[c];
    }
})();