using UnityEngine;

public class UIManager : MonoBehaviour
{
    // Add more panels as needed

    // Singleton instance
    public static UIManager Instance;

    // Reference to the main UI panel (or the root UI GameObject)
    public GameObject UIPanel;

    // References to individual views
    public GameObject SettingsPanel;
    public GameObject CharacterPanel;
    public GameObject InventoryPanel;
    public GameObject ToolbarPanel;
    public GameObject RelationshipPanel;
    public GameObject HotkeyPanel;
    public GameObject ManagementPanel;

    public InventoryUIController InventoryUIController;

    // public HotkeyUIController HotkeyUIController;
    // public EquipmentUIController EquipmentUIController;
    // public ToolbarUIController ToolbarUIController;


    private void Awake()
    {
        // Implement singleton pattern
        if (Instance == null)
        {
            Instance = this;
            DontDestroyOnLoad(gameObject);
        }
        else
        {
            Destroy(gameObject);
        }
    }

    private void Start()
    {
        // Register hotkeys with HotkeyManager
        HotkeyManager.Instance.RegisterHotkey("Toggle Inventory", KeyCode.I, ToggleInventory);
        HotkeyManager.Instance.RegisterHotkey("Toggle UI", KeyCode.Home, ToggleUI);
        HotkeyManager.Instance.RegisterHotkey("Show Hotkey UI", KeyCode.H, ToggleHotkey);
        HotkeyManager.Instance.RegisterHotkey("Show Character UI", KeyCode.C, () => ShowPanel("character"));
        // HotkeyManager.Instance.RegisterHotkey("Show Inventory UI", KeyCode.I, () => ShowPanel("inventory"));
        HotkeyManager.Instance.RegisterHotkey("Show Relationship UI", KeyCode.R, () => ShowPanel("relationship"));
        HotkeyManager.Instance.RegisterHotkey("Show Settings UI", KeyCode.F1, () => ShowPanel("settings"));

        // close all panels
        HotkeyManager.Instance.RegisterHotkey("Close All Panels", KeyCode.Escape, CloseAllPanels);


        // HotkeyUIManager.Instance.PopulateHotkeyList();
    }


    // Method to toggle the main UI visibility
    public void ToggleUI()
    {
        // todo: will need  a way to handle them out of sync.
        if (UIPanel != null) UIPanel.SetActive(!UIPanel.activeSelf);
        if (ToolbarPanel != null) ToolbarPanel.SetActive(!ToolbarPanel.activeSelf);
    }

    // close all panels in ManagementPanel
    public void CloseAllPanels()
    {
        if (ManagementPanel != null) ManagementPanel.SetActive(false);
    }

    public void ToggleInventory()
    {
        if (InventoryPanel != null) ShowPanel("inventory");
    }

    public void ToggleHotkey()
    {
        if (HotkeyPanel != null) ShowPanel("hotkey");
        HotkeyUIController.Instance.PopulateHotkeyList();
    }


    public void SetZoomLevel(GameObject targetObject, float zoomLevel)
    {
        // Get the RectTransform component of the target object
        var rectTransform = targetObject.GetComponent<RectTransform>();

        // Calculate the new scale based on the zoom level
        var newScale = 1f + (zoomLevel - 1f);

        // Set the new scale for the x and y axes
        var newScaleVector = new Vector3(newScale, newScale, 1f);
        rectTransform.localScale = newScaleVector;
    }

    public void SetUIZoomLevel(float zoomLevel)
    {
        Debug.Log("Modifying Zoom level for UI: " + zoomLevel);
        SetZoomLevel(ManagementPanel, zoomLevel);
        SetZoomLevel(ToolbarPanel, zoomLevel);
    }


    // Method to show a specific panel and hide others
    public void ShowPanel(string panelName)
    {
        // Hide all panels first
        ManagementPanel.SetActive(true);

        if (SettingsPanel != null && panelName != "settings") SettingsPanel.SetActive(false);
        if (CharacterPanel != null && panelName != "character") CharacterPanel.SetActive(false);
        if (InventoryPanel != null && panelName != "inventory") InventoryPanel.SetActive(false);
        if (RelationshipPanel != null && panelName != "relationship") RelationshipPanel.SetActive(false);
        if (HotkeyPanel != null && panelName != "hotkey") HotkeyPanel.SetActive(false);

        // Add more panels as needed

        // Show the selected panel
        switch (panelName.ToLower())
        {
            case "settings":
                if (SettingsPanel != null) SettingsPanel.SetActive(true);
                break;
            case "character":
                if (CharacterPanel != null) CharacterPanel.SetActive(true);
                break;
            case "inventory":
                if (InventoryPanel != null) InventoryPanel.SetActive(true);
                break;
            case "relationship":
                if (RelationshipPanel != null) RelationshipPanel.SetActive(true);
                break;
            case "hotkey":
                if (HotkeyPanel != null) HotkeyPanel.SetActive(true);
                break;
            // Add more cases as needed
        }
    }

    public void ShowMainMenuScreen(bool show)
    {
        // Show the main menu screen
    }

    public void ShowGameOverScreen(bool show)
    {
        // Show the game over screen
    }
}