var express = require("express");
var fs = require("fs");
var bodyParser = require("body-parser");
var app = express();
var logfile = fs.createWriteStream('./db/log.log', {flags: 'a'});


var file = "./db/test.db";
var exists = fs.existsSync(file);

if(!exists) {
    console.log("Creating DB file.");
    fs.openSync(file, "w");
}

var sqlite3 = require("sqlite3").verbose();
var db = new sqlite3.Database(file);

db.serialize(function() {
    if(!exists) {
        db.run(
            "CREATE TABLE Alerts (" +
                "origJSON TEXT," +
                "coreId TEXT," +
                "locationDesc TEXT," +
                "status TEXT," +
                "published_at TEXT)"
        );
    }
});

app.use(bodyParser.json());

app.get('/', function(req, res){
    //res.sendFile("/usr/src/app/index.html");
    fs.createReadStream('./log.log').pipe(res);
    console.log("got a GET request...");
});

app.post('/', function(req, res){
    var postEvent = req.body.postEvent;
    var source = req.body.source;
    //console.log("Post event = "+postEvent+", source is "+source);
    console.log(req.body);

    var stmt = db.prepare("INSERT INTO Alerts (OrigJSON, coreid, published_at) VALUES (?, ?, ?)");
    stmt.run(
        JSON.stringify(req.body, null, 4),
        JSON.stringify(req.body.coreid, null, 4),
        JSON.stringify(req.body.published_at, null, 4)
    );
    stmt.finalize();
    //res.send(JSON.stringify(req.body, null, 4));
});

app.listen(3000, function() {
    console.log("Started on PORT 3000");
})