using UnityEngine;

public class YummyCake : MonoBehaviour
{
    public AudioClip spawnSound;

    public AudioClip breakSound;

    public AudioClip missedSound;

    public AudioClip stormSound;

    public GameObject lightningPrefab;

    public GameObject laserPrefab;

    public GameObject magnetPrefab;

    public GameObject keyPrefab;

    public Canvas canvas;

    private AudioSource audioSource;

    private Animator animator;

    private  WorldFiller worldFiller;

    private static float laserProbability = 0.25f;

    private static float magnetProbability = 0.2f;

    private static float keyProbability = 0.1f;

    private static float manyProbability = 0.2f;

    private static float stormProbability = 0.01f;

    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void Start()
    {
        audioSource = GetComponent<AudioSource>();
        animator = GetComponent<Animator>();

        audioSource.PlayOneShot(spawnSound);

        worldFiller = GameObject.FindWithTag("WorldFiller")?.GetComponent<WorldFiller>();
    }

    public void BreakOrMiss()
    {
        // TODO: Implement logic to check if the cake is in a clear area or not
        bool inClearArea = worldFiller.IsPositionInFreeRegion(transform.position);

        if (inClearArea)
        {
            animator.SetTrigger("break");
            audioSource.PlayOneShot(breakSound);
            Break();
        }
        else
        {
            animator.SetTrigger("miss");
            audioSource.PlayOneShot(missedSound);
        }
    }

    public void OnAnimationComplete()
    {
        Destroy(gameObject);
    }

    private void SpawnItem(float randomValue)
    {
        float laserThreshold = laserProbability;
        float magnetThreshold = laserThreshold + magnetProbability;
        float keyThreshold = magnetThreshold + keyProbability;
        GameObject item = null;

        if (randomValue < laserThreshold)
        {
            item = Instantiate(laserPrefab, transform.position, Quaternion.identity);
        }
        else if (randomValue < magnetThreshold)
        {
            item = Instantiate(magnetPrefab, transform.position, Quaternion.identity);
        }
        else if (randomValue < keyThreshold)
        {
            item = Instantiate(keyPrefab, transform.position, Quaternion.identity);
        }
        else
        {
            item = Instantiate(lightningPrefab, transform.position, Quaternion.identity);
        }

        if (item != null)
        {
            item.GetComponent<YummyBase>().canvas = canvas;
        }
    }

    private void Break()
    {
        float isStorm = Random.value;

        if (isStorm < stormProbability)
        {
            // Trigger a storm event, ie. spawn multiple items at once.
            audioSource.PlayOneShot(stormSound);

            for (int i = 0; i < Random.Range(8, 12); i++)
            {
                float randomValue = Random.value;
                SpawnItem(randomValue);
            }
        }
        else
        {
            // The first yummy is guaranteed.
            SpawnItem(Random.value);

            while (Random.value < manyProbability)
            {
                SpawnItem(Random.value);
            }
        }
    }
}