using AC;
using UnityEngine;
using Rewired;

public enum ControlState
{
    DIRECT,
    POINT_CLICK
}

public class ControlSwitcher : MonoBehaviour
{
    Rewired.Player player;

    [SerializeField] private ControlState _state;
    public ControlState State { get => _state; set => _state = value; }

    public BoxCollider2D[] SceneColliders;
    public Animator Animator;
    public bool Direct = false;
    public float dirNormalized = 0f;

    public delegate void Delegate_OnSwitchControlType();
    public static event Delegate_OnSwitchControlType OnSwitchToDirectControl;
    public static event Delegate_OnSwitchControlType OnSwitchToPointAndClick;


    private void Awake()
    {
        player = ReInput.players.GetPlayer(0);
    }

    private void OnEnable()
    {
        EventManager.OnSetPlayer += UpdateSceneColliders;
        EventManager.OnInitialiseScene += UpdateSceneColliders;

        EventManager.OnInitialiseScene += EventManager_OnInitialiseScene;
        EventManager.OnAfterChangeScene += EventManager_OnAfterChangeScene;

        EventManager.OnEnterGameState += EventManager_OnEnterGameState;

        player.controllers.AddLastActiveControllerChangedDelegate(OnControllerChange);
    }

    private void OnDisable()
    {
        EventManager.OnSetPlayer -= UpdateSceneColliders;
        EventManager.OnInitialiseScene -= UpdateSceneColliders;

        EventManager.OnInitialiseScene -= EventManager_OnInitialiseScene;
        EventManager.OnAfterChangeScene -= EventManager_OnAfterChangeScene;

        EventManager.OnEnterGameState -= EventManager_OnEnterGameState;

        player.controllers.RemoveLastActiveControllerChangedDelegate(OnControllerChange);
    }

    private void EventManager_OnEnterGameState(GameState gameState)
    {
        if (gameState == GameState.Cutscene)
        {
            DisableColliders();
        }
        else if (gameState == GameState.Normal)
        {
            if (Direct)
            {
                EnableColliders();
            }
            else
            {
                DisableColliders();
            }
        }
    }

    private void EventManager_OnInitialiseScene()
    {
        InputMethodSwitcher();
    }

    private void EventManager_OnAfterChangeScene(LoadingGame loadingGame)
    {
        InputMethodSwitcher();
    }

    private void InputMethodSwitcher()
    {
        Rewired.Controller controller = GameInputManager.instance.LastActiveController();

        if (controller != null)
        {
            if (controller is Joystick || controller is Keyboard)
            {
                SwitchToDirect();
            }
            else if (controller is Mouse)
            {
                SwitchToPointAndClick();
            }
        }
    }

    void OnControllerChange(Rewired.Player player, Controller controller)
    {
        switch (controller.type)
        {
            case ControllerType.Joystick:
            case ControllerType.Keyboard:
                SwitchToDirect();
                break;

            case ControllerType.Mouse:
                SwitchToPointAndClick();
                break;
        }
    }

    private void UpdateSceneColliders()
    {
        SceneColliders = GameObject.Find("_CollisionCubes").GetComponentsInChildren<BoxCollider2D>();
    }

    private void UpdateSceneColliders(AC.Player p)
    {
        SceneColliders = GameObject.Find("_CollisionCubes").GetComponentsInChildren<BoxCollider2D>();
    }

    // If playing in "Point and Click" mode disable all the wall colliders
    // used when playing in "Direct" mode
    private void DisableColliders()
    {
        for (int i = 0; i < SceneColliders.Length; i++)
        {
            SceneColliders[i].isTrigger = true;
        }
    }

    // If playing in "Direct" mode enable all the wall colliders
    private void EnableColliders()
    {
        for (int i = 0; i < SceneColliders.Length; i++)
        {
            SceneColliders[i].isTrigger = false;
        }
    }

    private void SwitchToPointAndClick()
    {
        GlobalVariables.SetBooleanValue(0, false);
        Animator.SetBool("DirectControl", false);

        DisableColliders();

        KickStarter.settingsManager.movementMethod = MovementMethod.PointAndClick;
        KickStarter.settingsManager.hotspotDetection = HotspotDetection.MouseOver;
        KickStarter.settingsManager.inputMethod = InputMethod.MouseAndKeyboard;

        Direct = false;
        KickStarter.menuManager.keyboardControlWhenPaused = false;
        KickStarter.playerCursor.ForceOffCursor = false;

        _state = ControlState.POINT_CLICK;
        OnSwitchToPointAndClick?.Invoke();
    }

    private void SwitchToDirect()
    {
        if (KickStarter.stateHandler.IsInGameplay()) KickStarter.player.Halt();

        GlobalVariables.SetBooleanValue(0, true);
        Animator.SetBool("DirectControl", true);

        if (KickStarter.stateHandler.gameState != GameState.Cutscene) EnableColliders();

        KickStarter.settingsManager.movementMethod = MovementMethod.Direct;
        KickStarter.settingsManager.hotspotDetection = HotspotDetection.PlayerVicinity;
        KickStarter.settingsManager.inputMethod = InputMethod.KeyboardOrController;

        Direct = true;
        KickStarter.menuManager.keyboardControlWhenPaused = true;
        KickStarter.playerCursor.ForceOffCursor = true;

        _state = ControlState.DIRECT;
        OnSwitchToDirectControl?.Invoke();
    }
}