using System;
using UnityEngine;
using UnityEngine.UI;
using FMOD.Studio;
using System.Threading.Tasks;

public class ArcheryRangeNPC : NPCController
{
    [Header("Archery Range Config")]
    public MicrophoneStand microphoneStand;
    public PushableButton imageGenerationButton;
    public PushableButton modelGenerationButton;
    public Image imageDisplay;
    public ModelDisplay modelDisplay;

    private Texture2D GeneratedTexture;
    private EventInstance printingSound;

    // states:
    // 0 - idle
    // 1 - player approached
    // 2 - player used microphone
    // 3 - player pressed the image generation button
    // 4 - player pressed the model generation button
    // 5 - model spawned into the game
    private int state;

    private void Awake()
    {
        state = 0;
    }

    private void Start()
    {
        microphoneStand.OnPlayerFinishedSpeaking += OnPlayerUsedMicrophone;
        imageGenerationButton.OnButtonPressed += OnImageGenerationButtonPressed;
        modelGenerationButton.OnButtonPressed += OnModelGenerationButtonPressed;

        printingSound = AudioManager.Instance.CreateInstance(FMODEvents.Instance.Printing);
        printingSound.setParameterByName("3DPrinterPrintingJob", 1);
    }

    protected async override void OnPlayerApproach()
    {
        if (state == 0)
        {
            SpeakVoiceLine(0);
            await Task.Delay(2000);
            SpeakVoiceLine(1);
            await Task.Delay(6500);
            SpeakVoiceLine(2);
            await Task.Delay(3000);

            state = 1;
        }
    }

    protected override void OnPlayerLeave()
    {
        Debug.Log("Alien NPC: player left");
    }

    private void OnPlayerUsedMicrophone()
    {
        if (state == 1)
        {
            SpeakVoiceLine(3);
            state = 2;
        }
    }

    private async void OnImageGenerationButtonPressed()
    {
        if (state == 2)
        {
            state = 3;
        }

        string inputPrompt = microphoneStand.GetTextOutput();
        byte[] imageBytes = await InvokeAiClient.Instance.GenerateImage(inputPrompt);
        GeneratedTexture = ModelGenerationUtils.CreateTexture(imageBytes);
        Sprite sprite = ModelGenerationUtils.CreateSprite(GeneratedTexture);
        imageDisplay.sprite = sprite;

        imageGenerationButton.Deactivate();
        if (state == 3)
        {
            modelGenerationButton.Deactivate();
            SpeakVoiceLine(4);
        }
    }

    private async void OnModelGenerationButtonPressed()
    {
        if (state == 3)
        {
            state = 4;
        }

        printingSound.start();
        printingSound.setParameterByName("3DPrinterPrintingJob", 0);

        string encodedTexture = Convert.ToBase64String(GeneratedTexture.EncodeToJPG());
        byte[] encodedModel = await TrellisClient.Instance.GenerateModel(encodedTexture);

        GameObject spawnedObject = await ModelGenerationUtils.Instance.SpawnModel(encodedModel);
        modelDisplay.DisplayModel(spawnedObject);

        if (state == 4)
        {
            SpeakVoiceLine(5);
            state = 5;
        }

        printingSound.setParameterByName("3DPrinterPrintingJob", 1);
        modelGenerationButton.Deactivate();
    }
}