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

public class HealingMinigame : MonoBehaviour
{
    [Serializable]
    public class WaveDesc
    {
        public float amp;
        public float freq;
        public Color col1;
        public Color col2;
        public WaveDesc()
        {
            amp = 1f;
            freq = 1f;
            col1 = Color.blue;
            col2 = Color.blue * 0.7f;
        }
    }
    public WaveDesc[] m_waves; 
    public Button[] m_buttons;
    public Material[] m_buttonMaterials;
    public Material m_waveMaterial;
    public int m_selectedId = -1;
    // Start is called before the first frame update
    void Start()
    {
        m_buttonMaterials = new Material[m_buttons.Length];

        for (int i=0; i<m_buttons.Length; i++)
        {
            int id = i;
            m_buttons[i].onClick.AddListener(() => OnButtonPressed(id));
            m_buttonMaterials[i] = m_buttons[i].image.material;
        }
        UpdateMaterials();
       
    }

    void UpdateMaterials()
    {
        Vector4 freqVec = Vector4.zero;
        Vector4 ampVec = Vector4.zero;
        for (int i = 0; i < m_waves.Length; i++)
        {
            m_buttonMaterials[i].SetColor("P1ColorIn", m_waves[i].col1);
            m_buttonMaterials[i].SetColor("P1ColorOut", m_waves[i].col2);
            m_waveMaterial.SetColor("P" + (i + 1) + "ColorIn", m_waves[i].col1);
            m_waveMaterial.SetColor("P" + (i + 1) + "ColorOut", m_waves[i].col2);

            m_buttonMaterials[i].SetFloat("Amplitude", m_waves[i].amp);
            m_buttonMaterials[i].SetFloat("Frequency", m_waves[i].freq);
            freqVec[i] = m_waves[i].freq;
            ampVec[i] = m_waves[i].amp;
        }

        m_waveMaterial.SetVector("Frequencies", freqVec);
        m_waveMaterial.SetVector("Amplitudes", ampVec);
    }

    public void OnTouched(Vector2 pos)
    {

        if (m_selectedId >=0)
        {
            m_waves[m_selectedId].amp = pos.y * 0.5f;
            m_waves[m_selectedId].freq = ((pos.x + 1f) * .5f) * 5f;
            UpdateMaterials();
        }
    }

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

    void OnButtonPressed(int id)
    {
        m_selectedId = id;
        Debug.Log("Button pressed: "+id);
    }
}