var BD = {};

BD.Private = {};
BD.Private.sendData = function(url, data) {
    // Append time to data
    data.time = Date.now() / 1000;

    var xhr = new XMLHttpRequest();
    xhr.open("POST", url, true);
    xhr.setRequestHeader("Content-type", "application/json;charset=UTF-8");

    // xhr.onreadystatechange = function() {
    //     if(xhr.readyState == 4 && xhr.status == 200) {
    //         console.log(xhr.responseText);
    //     }
    // }

    xhr.send(JSON.stringify(data));
}

BD.Private.compactCamera = function(camera) {
    return {
            position: {
                x: camera.position.x,
                y: camera.position.y,
                z: camera.position.z
            },
            target: {
                x: camera.target.x,
                y: camera.target.y,
                z: camera.target.z
            }
    };
}

BD.Event = {};

BD.Event.ArrowClicked = function() {};
BD.Event.ArrowClicked.prototype.send = function() {
    var url = "/arrow-clicked";
    var data = {arrow_id: this.arrow_id};
    BD.Private.sendData(url, data);
}

BD.Event.CoinClicked = function() {};
BD.Event.CoinClicked.prototype.send = function() {
    var url = "/coin-clicked";
    var data = {coin_id: this.coin_id};
    BD.Private.sendData(url, data);
}

BD.Event.KeyboardEvent = function() {};
BD.Event.KeyboardEvent.prototype.send = function() {
    var url = "/keyboard-event";

    var data = {
        camera: BD.Private.compactCamera(this.camera)
    }

    BD.Private.sendData(url, data);
}

BD.Event.ResetClicked = function() {};
BD.Event.ResetClicked.prototype.send = function() {
    var url = "/reset-clicked";
    var data = {};
    BD.Private.sendData(url, data);
}

BD.Event.PreviousNextClicked = function() {};
BD.Event.PreviousNextClicked.prototype.send = function() {
    var url = "/previous-next-clicked";
    var data = {
        // casts previous to boolean
        previous: this.previous,
        camera: BD.Private.compactCamera(this.camera)
    };

    BD.Private.sendData(url, data);
}

BD.Event.Hovered = function() {};
BD.Event.Hovered.prototype.send = function() {
    var url = "/hovered";
    var data = {
        start: this.start,
        arrow_id: this.arrow_id
    };

    BD.Private.sendData(url, data);
}