/*
  Filename:sipController.js
  Date:5 Aug 2015
  Auther:Murugan Pandian
  Copyright:IPCOM
*/

var ipcom = angular.module('ipcom', ['ngMaterial']);

ipcom.directive('schrollBottom', function() {
    return {
        scope: {
            schrollBottom: "="
        },
        link: function(scope, element) {
            scope.$watchCollection('schrollBottom', function(newValue) {
                if (newValue) {
                    $(element).scrollTop($(element)[0].scrollHeight);
                }
            });
        }
    }
});


ipcom.controller('sipController', function($scope, $mdToast, $rootScope,$timeout) {

    /*
    Register to proxy server
    {uri}:proxy server uri
    {wsServers}:websocket  server url
    {authorizationUser}:sip username
    {password}: sip password
    */

    var session;
    var callsession;
    var currentcall = [];


    //Load Audio file
    var ring = new Howl({
        urls: ['tone/ring.mp3'],
        loop: true,
        volume: 0.5
    });

    var dialer_ring = new Howl({
        urls: ['tone/ring.wav'],
        loop: true,
        volume: 0.5
    });

    var hangup = new Howl({
        urls: ['tone/hangup.wav'],
        loop: false,
        volume: 0.5
    });

    var config = {
        userAgentString: 'SIP.js/0.7.0 BB',
        traceSip: true,
        register: false
    };



    $scope.reset = function() {
        $scope.user = {};


    }

    //Assign localStorage value
    try {
        $scope.user = {
            uri: localStorage.url,
            wsserver: localStorage.wsserver,
            userid: localStorage.userid,
            name: localStorage.name
        };
    } catch (e) {
        console.log(e);
    }

    //Disable
    $scope.textboxenable=true;

    //register action
    $scope.register = function() {

        //store register details in localStorage
        localStorage.url = $scope.user.uri
        localStorage.wsserver = $scope.user.wsserver
        localStorage.userid = $scope.user.userid
        localStorage.name = $scope.user.name

        uri = $scope.agent + '';
        //send register request
        session = new SIP.UA({
            userAgentString: 'SIP.js/0.7.0 BB',
            uri: $scope.user.uri,
            wsServers: [$scope.user.wsserver],
            stunServers: ['stun:stun.l.google.com:19302'],
            turnServers: [{
                urls: 'turn:turn.bistri.com:80',
                username: 'homeo',
                password: 'homeo'
            }],
            authorizationUser: $scope.user.userid,
            password: $scope.user.password,
            displayName: $scope.user.name,
            traceSip: true,
            register: false
        });



        //Registraion failed callback
        session.on('registrationFailed', function(data) {

            $scope.$apply(function() {
                $scope.registerstatus = data.status_code + ' ' + data.reason_phrase;
            });

        });

        //websocket disconnected callback
        session.on('disconnected', function(data) {

  console.log(data);
        });

        //websocket disconnected callback
        session.on('connecting', function(data) {
            $scope.$apply(function() {
                $scope.registerstatus = 'Connecting...';
            });

        });

        //websocket connected callback
        session.on('connected', function() {
            $scope.$apply(function() {

                $scope.registerstatus = 'Connecting...';
            });
            if(!session.isRegistered())
            {
                session.register();
            }

        })

        //sip unregister callback
        session.on('unregistered', function(cause) {
            if(cause)
            {
            $scope.registerstatus = 'Unregistered';
            $scope.textboxenable=true;
            $scope.$apply(function() {
                $scope.homediv = false;
            });
            }

        });

        //sip registered successfully
        session.on('registered', function() {
            $timeout.cancel($scope.registertimer)
            $scope.registerstatus = 'Registered Successfully';
            $scope.textboxenable=false;
            $scope.$apply(function() {
                $scope.homediv = true;
            });
        });

        //receive message callback
        session.on('message', function(data) {
            console.log(data);
            $scope.$apply(function() {});
        });


        //receive invite
        session.on('invite', function(incomesession) {
            $mdToast.show({
                controller: 'sipController',
                templateUrl: 'app/views/incoming.html',
                hideDelay: 6000000000,
                position: 'top right'
            });
            ring.play();
            //bye event
            incomesession.on('bye', function(data) {
                window.curcall = null
                //pause audio
                ring.pause();
                $mdToast.hide();
                $scope.$apply(function() {
                    $scope.callbtn = false;
                });
                //hangup
                hangup.play();
            });

            //call failure message from proxy
            incomesession.on('failed', function(data) {
                window.curcall = null
                //pause audio
                console.log(data);
                $mdToast.hide();
                //hangup
                hangup.play();
                $scope.$apply(function() {
                    $scope.callbtn = false;
                });

            });

            //Receject Call
            incomesession.on('rejected', function(incoming, cause) {
                //hangup
                hangup.play();
                window.curcall = null;
                //pause audio
                ring.pause();
                $mdToast.hide();
            });

            //Accept Call
            incomesession.on('accepted', function(incoming, cause) {
                //pause audio
                ring.pause();
                $mdToast.hide();
                $scope.$apply(function() {
                    $scope.callbtn = true;
                });

            });

            //store to global value
            window.incom = incomesession;
            window.curcall = incomesession;


        });


        //Receject Call
        session.on('rejected', function(incoming, cause) {
            ring.pause();
        });


    }


    //make call
    $scope.dial = function() {

        //SIPJS Option to make call
        var options = {
            media: {
                constraints: {
                    audio: true,
                    video: $scope.enablevideo
                },
                render: {
                    remote: document.getElementById('remotevideo'),
                    local: document.getElementById('sourcevideo')
                }
            }
        };

        if (session.isRegistered()) {

            //makes the call
            window.callsession = session.invite('sip:' + $scope.dialuri, options);
            $scope.callbtn = true;


            //call failure message from proxy
            window.callsession.on('failed', function(data) {
                //hangup
                hangup.play();
                window.callsession = null;
                if (!$scope.$$phase) {
                    $scope.$apply(function() {
                        $scope.callbtn = false;
                    });
                } else {
                    $scope.callbtn = false;
                }
                dialer_ring.pause();
            });


            //bye event
            window.callsession.on('bye', function(data) {
                //hangup
                hangup.play();
                window.callsession = null;
                if (!$scope.$$phase) {
                    $scope.$apply(function() {
                        $scope.callbtn = false;
                    });
                } else {
                    $scope.callbtn = false;
                }
            });



            //Receject Call
            window.callsession.on('rejected', function(incoming, cause) {
                dialer_ring.pause();
            });

            //Accepted Call
            window.callsession.on('accepted', function(incoming, cause) {
                dialer_ring.pause();

            });

            dialer_ring.play();


        } else {
            $scope.homediv = false;
        }

    }

    //Disconnect call
    $scope.disconnect = function() {
        if (window.callsession) {
            window.callsession.terminate();
            window.callsession = null;
        } else if (window.curcall) {
            window.curcall.terminate();
            window.curcall = null;
        }
        $scope.callbtn = false;
    }


    //Send DTMF
    $scope.dtmf = function(id) {
        if (window.callsession) {
            window.callsession.dtmf(id);
        } else if (window.curcall) {
            window.curcall.dtmf(id);
        }

    }



    //Toast for incoming call
    //Position for Toasting
    $scope.toastPosition = {
        bottom: false,
        top: true,
        left: false,
        right: true
    };




    //accept incomming call
    $rootScope.accept = function() {
        $scope.callbtn = true;
        $mdToast.hide();
        var options = {
            media: {
                constraints: {
                    audio: true,
                    video:$scope.videoenable
                },
                render: {
                    remote: document.getElementById('remotevideo'),
                    local: document.getElementById('sourcevideo')
                }
            }
        };
        window.incom.accept(options);
    }
    //reject incomming call
    $scope.reject = function() {
        window.incom.reject();
        $mdToast.hide();
    }

    //Unregister
    $scope.unregister = function() {
        session.stop();
    }


    $scope.messages = [];
    //Send message
    $scope.sendMessage = function(form) {
        $scope.messages.push({
            message: $scope.newMessageText,
            username:$scope.to
        });
        //send message to other user
        if (session) {
            if (session.isRegistered()) {
                session.message($scope.to, {
                    message: $scope.newMessageText,
                    username: localStorage.userid
                })

            }
        }
        $scope.newMessageText = '';
        form.$setUntouched();
    };

});