using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.InputSystem;
using System.Linq; //Allow counting in a list

public class NPCDialogueArea3 : MonoBehaviour
{
    public PlayerInventory playerInventory;
    private bool playerInRange = false; //Variable so that the player has to be close to interact 
    private bool dialogueActive = false;
    public GameObject dismiss; //Allow ui text to be assigned to this in the inspector
    public GameObject dialogueMessage;
    public GameObject dialoguePanel;
    bool missionComplete = false; //To know when to change from mission text to complete text
    public GameObject missionCompleteMessage;
    public GameObject interactPrompt;
    [SerializeField] GameObject missionReward; 

    void Start()
    {
        missionReward.SetActive(false); //Wait until player has completed mission to get the reward
        interactPrompt.SetActive(false);
    }

    void itemCheck() //Check how much wood the player is holding and if it's enough to complete the mission
    {
        int woodCount = playerInventory.inventory.Count(item => item == "wood"); //Get the number of wood that is in the inventory list (player inventory)

        if (woodCount == 3 || woodCount > 3) //Check if player has 3 or more wood
        {
            missionComplete = true;
        }
    }

    // Update is called once per frame
    void Update()
    {

        if (playerInRange && Input.GetKeyDown(KeyCode.E)) //Run if player is in range and presses "e"
        {
            dialogueActive = true;
            interactPrompt.SetActive(false);
        }

        if ((dialogueActive == true) && (missionComplete == false)) //First message shown to player
        {
            dismiss.SetActive(true);
            dialogueMessage.SetActive(true);
            dialoguePanel.SetActive(true);
        }

        if ((dialogueActive == true) && (missionComplete == true)) //Message shown to player after quest is completed
        {
            dismiss.SetActive(true);
            dialoguePanel.SetActive(true);
            missionCompleteMessage.SetActive(true);
            //Remove the wood from the player after mission completion:
            int removed = 0;
            while (removed < 3 && playerInventory.inventory.Contains("wood"))
            {
                playerInventory.inventory.Remove("wood");
                removed++;
            }
            missionReward.SetActive(true); //Spawn in the gold reward for the player
            
        }

        if ((dialogueActive == true) && Input.GetMouseButtonDown(0) || (dialogueActive == false)) //Allow the player to click to make the text dissapear
        {
            dismiss.SetActive(false);
            dialogueMessage.SetActive(false);
            dialoguePanel.SetActive(false);
            dialogueActive = false;
            missionCompleteMessage.SetActive(false);
        }

      
    }

    void OnTriggerEnter2D()
    {
        playerInRange = true;
        interactPrompt.SetActive(true);
        itemCheck(); //Check player items when in range of NPC
    }

    void OnTriggerExit2D()
    {
        playerInRange = false;
        interactPrompt.SetActive(false);
    }
}