var Accessory = require('../').Accessory;

var Service = require('../').Service;

var Characteristic = require('../').Characteristic;

var uuid = require('../').uuid;

var PythonShell = require('python-shell');

var door = exports.accessory = new Accessory('Door', uuid.generate('hap-nodejs:accessories:door'));

door.username = 'C1:5D:3A:EA:54:AB';

door.pincode = '031-45-154';

door.getService(Service.AccessoryInformation)

    .setCharacteristic(Characteristic.Manufacturer, 'Raspberry Pi')

    .setCharacteristic(Characteristic.Model, 'Zero W')

    .setCharacteristic(Characteristic.SerialNumber, 'A1S2NASF88EW');

var DOOR = {

    lockTimeout: 10000, // milliseconds - 10 sec

    pyshell: new PythonShell('doord.py', {

        mode: 'text',

        pythonPath: '/usr/bin/python3',

        pythonOptions: ['-u'],

        scriptPath: 'python/'

    }),

    lock: function() {

        console.log('locking door');

        this.pyshell.send('lock');

    },

    unlock: function() {

        console.log('unlocking door');

        this.pyshell.send('unlock');

    },

    identify: function() {

        console.log('identify door');

    },

    listenDoorbell: function(doorbellOnCallback, doorbellOffCallback) {

        this.pyshell.on('message', function (message) {

            console.log(message);

            switch(message) {

            case 'doorbell on':

                doorbellOnCallback();

                break;

            case 'doorbell off':

                doorbellOffCallback();

                break;

            }

        });

    }

};

door.on('identify', function(paired, callback) {

    DOOR.identify();

    callback();

});

door.addService(Service.Doorbell, 'Doorbell');

door.addService(Service.LockMechanism, 'Door lock')

    .setCharacteristic(Characteristic.LockTargetState, Characteristic.LockTargetState.SECURED) // force initial state

    .setCharacteristic(Characteristic.LockCurrentState, Characteristic.LockCurrentState.SECURED)

    .getCharacteristic(Characteristic.LockTargetState)

    .on('set', function(value, callback) {

        setDoorTargetState(value);

        callback();

    });

function setDoorTargetState(value) {

    switch(value) {

    case Characteristic.LockTargetState.UNSECURED:

        unlockDoor();

        break;

    case Characteristic.LockTargetState.SECURED:

        lockDoor();

        break;

    }

}

function unlockDoor() {

    DOOR.unlock();

    door.getService(Service.LockMechanism)

        .setCharacteristic(Characteristic.LockCurrentState,

                           Characteristic.LockCurrentState.UNSECURED);

    scheduleUnlockTimeout();

}

function lockDoor() {

    DOOR.lock();

    door.getService(Service.LockMechanism)

        .setCharacteristic(Characteristic.LockCurrentState,

                           Characteristic.LockCurrentState.SECURED);

}

function scheduleUnlockTimeout() {

    setTimeout(function() {

        console.log('unlock timeout door');

        door.getService(Service.LockMechanism)

            .setCharacteristic(Characteristic.LockTargetState,

                               Characteristic.LockTargetState.SECURED);

    }, DOOR.lockTimeout);

}

DOOR.listenDoorbell(

    function() {

        door.getService(Service.Doorbell)

            .setCharacteristic(Characteristic.ProgrammableSwitchEvent,

                               Characteristic.ProgrammableSwitchEvent.SINGLE_PRESS);

    },

    function() {});