using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.Events;

[RequireComponent(typeof(NPC))]
public class NpcDialogueManager : DialogueManager
{
    public override void Start()
    {
        base.Start();

        CanBeOpened = false;
        OpenInDefaultWay = false;

        // UPDATE DIALOGUE 
        // search in scene manager list
        var machedDialogueData = ((MultiDialogueDataManager)MultiDialogueDataManager.Instance).GetDialogue(Dialogue);
        if(Dialogue != null && machedDialogueData != null)
        {
            Debug.Log("Multi Dialogue - updated");
            UpdateDialogueState(machedDialogueData);
        }
    }

    #region Open Panel API
    public override bool OpenPanelCondition()
    {
        /*
         * Conditions:
         * - npc bust me in Talking mode
         * - player is in collision range
         * - panel assigned to next sentence in dialogue must be closed 
         */
        return gameObject.GetComponent<NPC>().State == NPCStateEnum.Talking && base.OpenPanelCondition();
    }

    protected virtual bool ColliderTypeCondition()
    {
        return !gameObject.GetComponent<NpcDialogueManager>().enabled;
    }
    #endregion

    public void UpdateDialogueState(MultiDialogueData dialogueData)
    {
        // 1 Rule - speaker name shouldnt change !!! its our 'key'

        Dialogue.CurrentDialogue = dialogueData.CurrentDialogue;

        foreach(var singleDialogue in dialogueData.DialogueStepModelDataList)
        {
            Dialogue.Dialogues
                .Where(dial => dial.Key == singleDialogue.Key)
                .Select(dial => dial.Value)
                .ToList()
                .ForEach(dial => dial.UpdateDialogueState(singleDialogue.Value) );
        }
    }

    #region Dialogue actions API
    /// <summary>
    /// Function to invoke actions declared in manager on object from scene not onto asset
    /// 
    /// Used in Dialogue ScriptableObject Template
    /// </summary>
    /// <param name="dialogueIndex"></param>
    public void DialogueEndAction(int dialogueIndex)
    {
        GameObject.FindObjectsOfType<NpcDialogueManager>().Where(obj => obj.name == gameObject.name).First().GetComponent<NpcDialogueManager>().InvokeDialogueEndAction(dialogueIndex);
    }

    /// <summary>
    /// Function to invoke actions declared in manager (on current object)
    /// 
    /// Use this to invoke actions which we want to occured after specific Dialogue
    /// </summary>
    /// <param name="dialogueIndex"></param>
    protected void InvokeDialogueEndAction(int dialogueIndex)
    {
        EndactionEventList.Where(el => el.Key.Key == dialogueIndex).ToList().ForEach(el => el.Value.Invoke());
    }

    /// <summary>
    /// Function to invoke actions declared in manager on object from scene not onto asset
    /// 
    /// Used in Dialogue ScriptableObject Template
    /// </summary>
    public void StepEndAction()
    {
        GameObject.FindObjectsOfType<NpcDialogueManager>().Where(obj => obj.name == gameObject.name).First().GetComponent<NpcDialogueManager>().InvokeStepEndAction();
    }

    /// <summary>
    /// Function to invoke actions declared in manager (on current object)
    /// 
    /// Use this to invoke actions which we want to occured after specific Dialogue Step
    /// </summary>
    protected void InvokeStepEndAction()
    {
        var dialogueProgress = Dialogue.DialogueStepStatus();

        EndactionEventList.Where(el => el.Key.Key == dialogueProgress.Item1 & el.Key.Value == dialogueProgress.Item2).ToList().ForEach(el => el.Value.Invoke());
    }
    #endregion
}