using UnityEngine;
using Unheimlich.Features.Dialogue.Data;
using Unheimlich.Features.Dialogue;
using Unheimlich.Features.Dialogue.UI;

namespace Unheimlich.Features.Dialogue
{
    public class DialogueStateHandler
{
    public bool IsCompleted { get; private set; }
    public bool HasPausedDialogue => _pausedConversation != null && _pausedNode != null;
    
    private DialogueConversation _pausedConversation;
    private DialogueNode _pausedNode;
    private Transform _pausedChoiceAnchor;
    private DialogueAnimationSettings _pausedAnimationSettings;
    private DialogueUI _pausedDialogueUI;
    private object _owner;

    public DialogueStateHandler(object owner)
    {
        _owner = owner;
    }

    public void PauseDialogue()
    {
        if (DialogueManager.Instance == null || !DialogueManager.Instance.IsDialogueActive)
            return;

        DialogueManager dialogueManager = DialogueManager.Instance; 

        _pausedConversation = dialogueManager.CurrentConversation;
        _pausedNode = dialogueManager.CurrentNode;
        _pausedChoiceAnchor = dialogueManager.CurrentChoiceAnchor;
        _pausedAnimationSettings = dialogueManager.CurrentAnimationSettings;
        _pausedDialogueUI = dialogueManager.CurrentDialogueUI;

        DialogueManager.Instance.EndDialogue();
    }

    public void ResumeDialogue()
    {
        if (!HasPausedDialogue || DialogueManager.Instance == null)
            return;

        DialogueManager.Instance.StartConversation(
            _pausedConversation,
            _pausedChoiceAnchor,
            _pausedAnimationSettings,
            _pausedDialogueUI,
            _owner
        );

        ClearPausedDialogue();
    }

    public void MarkAsCompleted()
    {
        IsCompleted = true;
        ClearPausedDialogue();
    }

    public void AllowRetrigger()
    {
        IsCompleted = false;
    }

    public void Reset()
    {
        IsCompleted = false;
        ClearPausedDialogue();
    }

    private void ClearPausedDialogue()
    {
        _pausedConversation = null;
        _pausedNode = null;
        _pausedChoiceAnchor = null;
        _pausedAnimationSettings = null;
        _pausedDialogueUI = null;
    }
}
}