var express = require("express");
var bodyParser = require("body-parser");

var app = express();

app.use(bodyParser.json());

var port = process.env.PORT || 8080;

var contacts = [{
    name: "peter",
    phone: "123456",
    email: "peter@peter.com"
}, {
    name: "paul",
    phone: "3333",
    email: "paul@paul.com"
}];

// GET /contacts/

app.get("/contacts", (req,res)=>{
    res.send(contacts);
});


// POST /contacts/

app.post("/contacts", (req,res)=>{

    var newContact = req.body;

    contacts.push(newContact)

    res.sendStatus(201);
});


// DELETE /contacts/

app.delete("/contacts", (req,res)=>{

    contacts =  [];

    res.sendStatus(200);
});


// GET /contacts/peter

app.get("/contacts/:name", (req,res)=>{

    var name = req.params.name;

    var filteredContacts = contacts.filter((c) =>{
       return c.name == name;
    })

    if (filteredContacts.length >= 1){
        res.send(filteredContacts[0]);
    }else{
        res.sendStatus(404);
    }

});


// PUT /contacts/peter

app.put("/contacts/:name", (req,res)=>{

    var name = req.params.name;
    var updatedContact = req.body;
    var found = false;

    var updatedContacts = contacts.map((c) =>{

        if(c.name == name){
            found = true;
            return updatedContact;
        }else{
            return c;
        }

    });

    if (found == false){
        res.sendStatus(404);
    }else{
        contacts = updatedContacts;
        res.sendStatus(200);
    }

});


// DELETE /contacts/peter

app.delete("/contacts/:name", (req,res)=>{

    var name = req.params.name;
    var found = false;

    var updatedContacts = contacts.filter((c) =>{

            if(c.name == name)
                found = true;

            return c.name != name;
    });

    if (found == false){
        res.sendStatus(404);
    }else{
        contacts = updatedContacts;
        res.sendStatus(200);
    }

});



app.listen(port, () => {
    console.log("Super server ready on port " + port);
});