using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class FishCollector : MonoBehaviour
{
    public GameObject collectiblesContainer;
    public Text       scoreText;

    // Total score of all collectibles
    public  int totalScore = 0;
    private int maxScore   = 0;

    Collectible[] collectibles;

    Renderer r;

    CharacterController cc;

    // Start is called before the first frame update
    void Start()
    {
        r            = GetComponent<Renderer>();
        cc           = GetComponent<CharacterController>();

        collectibles = collectiblesContainer.GetComponentsInChildren<Collectible>();

        foreach (Collectible collectible in collectibles)
        {
            maxScore += collectible.score;
        }

        UpdateUI();
    }

    void Update()
    {
        Vector3      fishPosition = r.bounds.center;

        foreach (Collectible collectible in collectibles)
        {
            if (collectible.collected || !collectible.isEnabled)
            {
                // Skip collectibles already collected or disabled
                continue;
            }

            Renderer collectibleRenderer = collectible.GetComponent<Renderer>();
            float    collectibleRadius   = collectibleRenderer.bounds.extents.magnitude;
            Vector3  collectiblePosition = collectibleRenderer.bounds.center;

            bool x = false;
            bool y = false;
            bool z = false;

            // Check if we are colliding with the collectible
            if (fishPosition.x >= collectiblePosition.x - collectibleRadius &&
                fishPosition.x <= collectiblePosition.x + collectibleRadius)
            {
                x = true;
            }

            if (fishPosition.y >= collectiblePosition.y - collectibleRadius &&
                fishPosition.y <= collectiblePosition.y + collectibleRadius)
            {
                y = true;
            }

            if (fishPosition.z >= collectiblePosition.z - collectibleRadius &&
                fishPosition.z <= collectiblePosition.z + collectibleRadius)
            {
                z = true;
            }

            if (x && y && z)
            {
                totalScore += collectible.score;
                collectible.Collect();

                // Update UI
                UpdateUI();

                // Assume we aren't colliding with 2 at the same time!
                break;
            }
        }
    }

    void UpdateUI()
    {
        scoreText.text = String.Format("Score: {0}/{1}", totalScore, maxScore);
    }
}