using UnityEngine;
using UnityEngine.InputSystem;

namespace NeonTea.Quakeball.Player {
    /// <summary>A controller class for a local player. Handles input and updates the relevant components.</summary>
    [RequireComponent(typeof(Player))]
    public class LocalPlayer : MonoBehaviour {
        public Transform Camera;

        private float Lean = 0;

        private Player Player;
        private InputAction LookAction;
        private InputAction MoveAction;
        private InputAction CrouchAction;
        private InputAction JumpAction;

        private void Awake() {
            Player = GetComponent<Player>();

            CrouchAction = new InputAction("crouch", binding: "<Gamepad>/buttonEast");
            CrouchAction.AddBinding("<Keyboard>/leftShift");
            CrouchAction.Enable();

            JumpAction = new InputAction("crouch", binding: "<Gamepad>/buttonSouth");
            JumpAction.AddBinding("<Keyboard>/space");
            JumpAction.Enable();

            LookAction = new InputAction("look", binding: "<Gamepad>/leftStick");
            LookAction.AddBinding("<Mouse>/delta");
            LookAction.Enable();

            MoveAction = new InputAction("move", binding: "<Gamepad>/rightStick");
            MoveAction.AddCompositeBinding("Dpad")
                .With("Up", "<Keyboard>/w")
                .With("Down", "<Keyboard>/s")
                .With("Left", "<Keyboard>/a")
                .With("Right", "<Keyboard>/d");
            MoveAction.Enable();
        }

        private void Start() {
            Cursor.visible = false;
            Cursor.lockState = CursorLockMode.Locked;
        }

        private void Update() {
            OptionsData Opts = Options.Get();

            Vector2 MovementInput = MoveAction.ReadValue<Vector2>();
            Vector3 Move = new Vector3(MovementInput.x, 0, MovementInput.y);
            Move = Quaternion.Euler(0, Player.Yaw, 0) * Move;
            Player.MoveDirection = Move;
            Player.MoveStyle = CrouchAction.ReadValue<float>() > 0 ? Player.CrouchingMoveStyle : Player.RunningMoveStyle;
            Player.Jumping = JumpAction.ReadValue<float>() > 0;

            Vector2 LookInput = LookAction.ReadValue<Vector2>() * Opts.LookSensitivity;
            Player.Pitch = Mathf.Clamp(Player.Pitch - LookInput.y * (Opts.InvertVerticalLook ? -1 : 1), -90, 90);
            Player.Yaw += LookInput.x;
            float TargetLean = -Vector3.Dot(Player.GroundVelocity / Player.MoveStyle.TargetVelocity, Camera.right) * Player.MoveStyle.LeanDegrees;
            Lean = Mathf.Lerp(Lean, TargetLean, 30f * Time.deltaTime);
            Camera.localEulerAngles = new Vector3(Player.Pitch, Player.Yaw, Lean);
        }
    }
}