var uuid = require('uuid');
module.exports = function(FakeProduction) {
    FakeProduction.remoteMethodCtx('messageSend', {
        description: 'Send message to salesPerson of one array of tickets',
        returns: {
            arg: 'response', 
            type: 'message'
        },
        http: {
            path: '/messageSend',
            verb: 'post'
        }
    });
    
    FakeProduction.messageSend = function(ctx, cb) {
        var tickets = ctx.req.body.tickets;
        var userId = ctx.req.accessToken.$userId;
        var User = FakeProduction.app.models.User;
        
        User.findById(userId, function (err, user) {
            var elements = [];
            tickets.forEach(function(t) {
                elements.push({sender: user.username, salesPerson: t.salesPerson, message: `Revisa el tickete ${t.ticketFk}`});
            }, this);
            messageSend(elements, cb);
        });
    };

    var messageSend = function(elements, cb){
        var messages = [];
        var messagesInbox = [];
        elements.forEach(function(e) {
            var id = uuid.v1();
            var message = {uuid: id, sender: e.sender, recipient: e.salesPerson, message: e.message};
            var messageInbox = {uuid: id, sender: e.sender, recipient: e.salesPerson, finalRecipient: e.salesPerson, message: e.message};
            messages.push(message);
            messagesInbox.push(messageInbox);
        }, this);
        createMessage(messages, messagesInbox, cb);
    }

    var createMessage = function(messages, messagesInbox, cb) {
        var Message = FakeProduction.app.models.Message;
        FakeProduction.beginTransaction({isolationLevel: FakeProduction.Transaction.READ_COMMITTED}, function(err, tx) {
            Message.create(messages, {transaction: tx}, function (err, res) {
                if(err){
                    tx.rollback(function(error) {
                        (error) ? cb(error, null) : cb(err, null);
                    });
                } else{
                    createMessageInbox(messagesInbox, tx, cb);
                }
            });
        });
    }

    var createMessageInbox = function(messagesInbox, tx, cb) {
        var MessageInbox = FakeProduction.app.models.MessageInbox;
        MessageInbox.create(messagesInbox, {transaction: tx}, function (err, res) {
            if(err){
                tx.rollback(function(error) {
                    (error) ? cb(error, null) : cb(err, null);
                });
            } else{
                tx.commit(function(err) {
                    (err) ? cb(err, null) : cb(null, res);
                });
            }
        });
    }
}