using System;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.UI;

public class ProgramInfoView : MonoBehaviour
{
    // --- ÇÁ·Î±×·¥ Á¤º¸ ÆгΠ---
    [SerializeField] private Transform leftControllerTransform;
    [SerializeField] private GameObject infoPanel;
    public InputActionReference showInfoPanel;
    public InputActionReference hideInfoPanel;
    public InputActionReference[] playProgram;
    private bool isPressingX = false;
    private bool isPressingAorB = false;

    [SerializeField] public TextMeshProUGUI jobName;
    [SerializeField] public TextMeshProUGUI jobSpeed;
    [SerializeField] private GameObject orderPrefab;
    [SerializeField] private GameObject endPrefab;
    [SerializeField] private Transform contentParent;

    [SerializeField] private Button resetBtn;
    [SerializeField] private Button startBtn;
    [SerializeField] private Button stopBtn;
    [SerializeField] private Button minusBtn;
    [SerializeField] private Button plusBtn;

    private List<StepInfoItem> instantiatedStepItems = new List<StepInfoItem>();

    public event Action OnResetClicked;
    public event Action OnStartClicked;
    public event Action OnStopClicked;
    public event Action<int> OnMinusClicked;
    public event Action<int> OnPlusClicked;

    void Start()
    {
        infoPanel.SetActive(false);
        if (showInfoPanel != null)
        {
            showInfoPanel.action.Enable();
            showInfoPanel.action.performed += ShowProgramInfoPanel;
        }
        if (hideInfoPanel != null)
        {
            hideInfoPanel.action.Enable();
            hideInfoPanel.action.performed += HideProgramInfoPanel;
        }

        if (playProgram != null)
        {
            for (int i = 0; i < playProgram.Length; i++)
            {
                playProgram[i].action.Enable();
                playProgram[i].action.performed += PlayProgram;
            }
        }

        resetBtn.onClick.AddListener(() => OnResetClicked?.Invoke());
        startBtn.onClick.AddListener(() => OnStartClicked?.Invoke());
        stopBtn.onClick.AddListener(() => OnStopClicked?.Invoke());
        minusBtn.onClick.AddListener(() => OnMinusClicked?.Invoke(-1));
        plusBtn.onClick.AddListener(() => OnPlusClicked?.Invoke(1));
    }

    private void OnDestroy()
    {
        if (showInfoPanel != null)
        {
            showInfoPanel.action.performed -= ShowProgramInfoPanel;
        }
        if (hideInfoPanel != null)
        {
            hideInfoPanel.action.performed -= HideProgramInfoPanel;
        }
        if (playProgram != null)
        {
            for (int i = 0; i < playProgram.Length; i++)
            {
                playProgram[i].action.performed -= PlayProgram;
            }
        }
    }

    public void UpdateProgramInfo(RobotProgram program, List<RobotMoveStep> steps)
    {
        if (program == null) return;

        foreach (Transform child in contentParent)
        {
            Destroy(child.gameObject);
        }
        instantiatedStepItems.Clear();

        // »õ ½ºÅÜ ¸ñ·Ï »ý¼º
        if (steps == null) return;

        foreach (RobotMoveStep step in steps)
        {
            GameObject newPrefab = Instantiate(orderPrefab, contentParent);
            StepInfoItem stepItemUI = newPrefab.GetComponent<StepInfoItem>();

            if (stepItemUI != null)
            {
                stepItemUI.SetData(step);
                instantiatedStepItems.Add(stepItemUI);
            }
            else
            {
                Debug.LogError("orderPrefab¿¡ StepInfoItem.cs ½ºÅ©¸³Æ®°¡ ¾ø½À´Ï´Ù");
            }

            if (jobSpeed.text == "0%")
                jobSpeed.text = $"{step.Speed}%";
        }
        Instantiate(endPrefab, contentParent);
    }

    private void ShowProgramInfoPanel(InputAction.CallbackContext obj)
    {
        isPressingX = !isPressingX;
        if (isPressingX)
        {
            infoPanel.transform.SetParent(leftControllerTransform);
            infoPanel.transform.localPosition = new Vector3(0f, 0.2f, 0f);
            infoPanel.transform.localRotation = Quaternion.Euler(0, 180, 0);
            infoPanel.SetActive(true);
        }
        else
        {
            infoPanel.SetActive(false);
        }
    }

    private void HideProgramInfoPanel(InputAction.CallbackContext obj)
    {
        infoPanel.SetActive(false);
    }

    private void PlayProgram(InputAction.CallbackContext obj)
    {
        isPressingAorB = !isPressingAorB;
        if (isPressingAorB)
        {
            OnStartClicked?.Invoke();
        }
        else
        {
            OnStopClicked?.Invoke();
        }
    }
}