using UnityEngine;
using UnityEngine.UIElements;
using UnityEngine.Rendering;
using UnityEngine.InputSystem;

public class MenuControls : MonoBehaviour {
    UIDocument menuDoc;

    [SerializeField]
    UIDocument timingDoc;

    [SerializeField]
    UIDocument crosshairDoc;

    [SerializeField]
    UIDocument controlsDoc;

    [SerializeField]
    ShipControls shipControls;

    MenuUI menuUi;

    Volume effectsVolume;

    [SerializeField]
    TimingUI timingUi;

    [SerializeField]
    ControlsUI controlsUI;

    [SerializeField]
    ShipAudio audio;

    SpaceRaceInput input;

    PlayerData _player;

    Toggle invertYToggle;
    Slider viewSensSlider;
    Label viewSensLabel;

    bool visible = false;

    void Awake() {
        menuDoc = GetComponent<UIDocument>();
        effectsVolume = GetComponent<Volume>();

        if (input == null) input = new SpaceRaceInput();
        input.menu.Enable();

        menuUi = GetComponent<MenuUI>();
        if (!menuUi) {
            Debug.LogError("No MenuUI");
            return;
        }

        _player = PlayerDataService.Load();

        SetupActions();
        Hide();
    }

    void SetupActions() {
        if (input == null)
            input = new SpaceRaceInput();

        input.menu.Enable();
        input.menu.ToggleMenu.started   += OnToggleMenu;
        input.menu.CloseMenu.started    += OnCloseMenu;
    }

    void OnDestroy() {
        input.menu.ToggleMenu.started   -= OnToggleMenu;
        input.menu.CloseMenu.started    -= OnCloseMenu;
    }

    void Show() {
        visible = true;
        UnityEngine.Cursor.lockState = CursorLockMode.None;
        menuDoc.enabled = true;
        effectsVolume.enabled = true;
        menuUi.AddTracks();
        menuUi.FocusTracks();

        BindSettings();

        // TODO abstract all this cause it's shit
        // take control off the ship
        timingDoc.enabled = false;
        crosshairDoc.enabled = false;
        controlsDoc.enabled = false;
        timingUi.enabled = false;
        controlsUI.enabled = false;
        shipControls.enabled = false;
    }

    void Hide() {
        visible = false;
        UnityEngine.Cursor.lockState = CursorLockMode.Locked;
        menuDoc.enabled = false;
        effectsVolume.enabled = false;

        // resume control of the ship
        timingDoc.enabled = true;
        crosshairDoc.enabled = true;
        controlsDoc.enabled = true;
        timingUi.enabled = true;
        controlsUI.enabled = true;
        shipControls.enabled = true;
    }

    void OnToggleMenu(InputAction.CallbackContext _ctx) {
        visible = !visible;

        if (visible) {
            Show();
            return;
        }

        Hide();
        return;
    }

    void OnCloseMenu(InputAction.CallbackContext _ctx) {
        if (visible) Hide();
    }

    void BindSettings() {
        Debug.Log("Setting controls change callbacks");
        invertYToggle = menuDoc.rootVisualElement.Q<Toggle>("invertY");
        viewSensSlider = menuDoc.rootVisualElement.Q<Slider>("viewSens");
        viewSensLabel = menuDoc.rootVisualElement.Q<Label>("viewSensLabel");

        viewSensSlider.value = _player.Settings.ViewSens;
        invertYToggle.value = _player.Settings.InvertY;

        viewSensLabel.text = $"{viewSensSlider.value:0.00}";

        invertYToggle.RegisterValueChangedCallback(evt => {
            _player.Settings.InvertY = evt.newValue;
            shipControls.InvertY = evt.newValue;

            PlayerDataService.Persist(_player);
        });

        viewSensSlider.RegisterValueChangedCallback(evt => {
            shipControls.ViewSens = evt.newValue;
            _player.Settings.ViewSens = evt.newValue;
            viewSensLabel.text = $"{evt.newValue:0.00}";

            PlayerDataService.Persist(_player);
        });
    }
}