const controlsIds = {
    F5: 327,
    W: 32, // 232
    S: 33, // 31, 219, 233, 268, 269
    A: 34, // 234
    D: 35, // 30, 218, 235, 266, 267
    Space: 321,
    LCtrl: 326,
};

global.fly = {
    flying: false, f: 2.0, w: 2.0, h: 2.0, point_distance: 1000,
};
global.gameplayCam = mp.cameras.new('gameplay');

mp.game.graphics.notify('~r~Fly script loaded!');
mp.game.graphics.notify('~r~F5~w~ - enable/disable\n~r~F5+Space~w~ - disable without warping to ground\n~r~W/A/S/D/Space/LCtrl~w~ - move');
mp.game.graphics.notify('~r~/savecam~w~ - save Camera position.');

let direction = null;
let coords = null;

function pointingAt(distance) {
    const farAway = new mp.Vector3((direction.x * distance) + (coords.x), (direction.y * distance) + (coords.y), (direction.z * distance) + (coords.z));

    const result = mp.raycasting.testPointToPoint(coords, farAway, [1, 16]);
    if (result === undefined) {
        return 'undefined';
    }
    return result;
}

mp.events.add('render', () => {
    const controls = mp.game.controls;
    const fly = global.fly;
    direction = global.gameplayCam.getDirection();
    coords = global.gameplayCam.getCoord();

    coords.x = coords.x.toFixed(2);
    coords.y = coords.y.toFixed(2);
    coords.z = coords.z.toFixed(2);

    direction.x = direction.x.toFixed(2);
    direction.y = direction.y.toFixed(2);
    direction.z = direction.z.toFixed(2);

    mp.game.graphics.drawText(`Coords: ${JSON.stringify(coords)}`, [0.5, 0.005], {
        font: 0,
        color: [255, 255, 255, 185],
        scale: [0.3, 0.3],
        outline: true
    });
    mp.game.graphics.drawText(`pointAtCoord: ${JSON.stringify(pointingAt(fly.point_distance).position)}`, [0.5, 0.025], {
        font: 0,
        color: [255, 255, 255, 185],
        scale: [0.3, 0.3],
        outline: true
    });

    if (controls.isControlJustPressed(0, controlsIds.F5)) {
        fly.flying = !fly.flying;

        const player = mp.players.local;

        player.setInvincible(fly.flying);
        player.freezePosition(fly.flying);
        player.setAlpha(fly.flying ? 0 : 255);

        if (!fly.flying && !controls.isControlPressed(0, controlsIds.Space)) {
            const position = mp.players.local.position;
            position.z = mp.game.gameplay.getGroundZFor3dCoord(position.x, position.y, position.z, 0.0, false);
            mp.players.local.setCoordsNoOffset(position.x, position.y, position.z, false, false, false);
        }

        mp.game.graphics.notify(fly.flying ? 'Fly: ~g~Enabled' : 'Fly: ~r~Disabled');
    } else if (fly.flying) {
        let updated = false;
        const position = mp.players.local.position;

        if (controls.isControlPressed(0, controlsIds.W)) {
            if (fly.f < 8.0) { fly.f *= 1.025; }

            position.x += direction.x * fly.f;
            position.y += direction.y * fly.f;
            position.z += direction.z * fly.f;
            updated = true;
        } else if (controls.isControlPressed(0, controlsIds.S)) {
            if (fly.f < 8.0) { fly.f *= 1.025; }

            position.x -= direction.x * fly.f;
            position.y -= direction.y * fly.f;
            position.z -= direction.z * fly.f;
            updated = true;
        } else {
            fly.f = 2.0;
        }

        if (controls.isControlPressed(0, controlsIds.A)) {
            if (fly.l < 8.0) { fly.l *= 1.025; }

            position.x += (-direction.y) * fly.l;
            position.y += direction.x * fly.l;
            updated = true;
        } else if (controls.isControlPressed(0, controlsIds.D)) {
            if (fly.l < 8.0) { fly.l *= 1.05; }

            position.x -= (-direction.y) * fly.l;
            position.y -= direction.x * fly.l;
            updated = true;
        } else {
            fly.l = 2.0;
        }

        if (controls.isControlPressed(0, controlsIds.Space)) {
            if (fly.h < 8.0) { fly.h *= 1.025; }

            position.z += fly.h;
            updated = true;
        } else if (controls.isControlPressed(0, controlsIds.LCtrl)) {
            if (fly.h < 8.0) { fly.h *= 1.05; }

            position.z -= fly.h;
            updated = true;
        } else {
            fly.h = 2.0;
        }

        if (updated) {
            mp.players.local.setCoordsNoOffset(position.x, position.y, position.z, false, false, false);
        }
    }
});