<?php
# Obtain the JSON payload from an OwnTracks app POSTed via HTTP
# and insert into database table.

header("Content-type: application/json");

$payload = file_get_contents("php://input");
$data =  @json_decode($payload, true);

if ($data['_type'] == 'location') {
    file_put_contents('toto', serialize($data));

    $db_dir = getenv('DB_DIR');
    # TODO: pour plus tard afin de dynamiser le nom
    $db_path = $db_dir.'/db.db';
    $db = new SQLite3($db_path);

    # TODO: à commenter quand ready
    # TODO: fixer type (https://owntracks.org/booklet/tech/json/)
    $db->exec('
        CREATE TABLE IF NOT EXISTS history(
            tst INTEGER PRIMARY KEY,
            lat FLOAT,
            lon FLOAT,
            acc INTEGER
        )
    ');

    $stm = $db->prepare('
        INSERT INTO history(
            tst,
            lat,
            lon,
            acc
        )
        VALUES (
            :tst,
            :lat,
            :lon,
            :acc
        )
    ');
    $stm->bindValue(':tst', $data['tst'], SQLITE3_INTEGER);
    $stm->bindValue(':lat', $data['lat'], SQLITE3_FLOAT);
    $stm->bindValue(':lon', $data['lon'], SQLITE3_FLOAT);
    $stm->bindValue(':acc', $data['acc'], SQLITE3_INTEGER);
    $res = $stm->execute();
}

$response = array();
# optionally add objects to return to the app (e.g.
# friends or cards)
print json_encode($response);
?>