using AibisDream.Utility;
using TMPro;
using UnityEngine;
using Random = UnityEngine.Random;

namespace AibisDream.FixSystem
{
    public class OscilloscopeSystem : MonoBehaviour
    {
        #region 组件索引

        private BodyModuleSystem _bodyModuleSystem;

        private TMP_Text _screenText;
        private WaveformLine _waveformLine;
        private ScanLine _scanLine;
        private SpriteRenderer _screen;
        private WaveSlider _waveSlider;
        private SpriteButton _deepinButton;

        #endregion

        #region 状态

        public bool isScanning;
        public bool isPlaying;
        public bool canScan;

        #endregion

        private void Awake()
        {
            FixSystemCenter.SystemDic.Register(this);
            InitComponentRefs();
        }

        private void InitComponentRefs()
        {
            _bodyModuleSystem = GetComponentInParent<BodyModuleSystem>();
            
            _screenText = transform.Find("Screen Text").GetComponent<TMP_Text>();
            _waveformLine = transform.Find("Waveform Visualizer").GetComponent<WaveformLine>();
            _scanLine = transform.Find("Scan Line").GetComponent<ScanLine>();
            _screen = transform.Find("Screen").GetComponent<SpriteRenderer>();
            _waveSlider = transform.Find("Wave Slider").GetComponent<WaveSlider>();
            _deepinButton = new SpriteButton(transform.Find("Deepin Button").gameObject, false);
                
            _waveformLine.SetLineSize(_screen.bounds.size.x, _screen.bounds.size.y);
            _scanLine.SetScreenSize(_screen.bounds.size.x, _screen.bounds.size.y);
            _screenText.text = "";

            _deepinButton.OnButtonDown += StartScan;
            _scanLine.ScanErrorEvent += OnScanSuccess;
        }

        private void Update()
        {
            _deepinButton.CheckButtonClick();
        }

        #region 对外开放

        /// <summary>
        /// 屏幕上播放波形
        /// </summary>
        /// <param name="waveformType">波形类型</param>
        /// <param name="hasError">是否有错误</param>
        public void PlayWave(WaveformType waveformType, bool hasError)
        {
            _waveSlider.InitSlider();
            isPlaying = true;
            canScan = hasError;
            _deepinButton.SetActive(canScan);
            
            var initialRandomPhase = Mathf.PI * Random.Range(7, 13) * 0.1f;
            _waveformLine.PlayWave(waveformType, initialRandomPhase, hasError);
        }

        /// <summary>
        /// 停止播放波形
        /// </summary>
        public void StopWave()
        {
            isPlaying = false;
            canScan = false;
            isScanning = false;
            _deepinButton.SetActive(false);
            _waveSlider.InitSlider();
            
            _waveformLine.StopWave();
            _scanLine.CloseScan();
        }

        /// <summary>
        /// 调整相位
        /// </summary>
        public void AdjustPhaseShift(float phaseShift)
        {
            if (isPlaying)
            {
                _waveformLine.AdjustPhaseShift(phaseShift);
            }
        }

        /// <summary>
        /// 开始扫描
        /// </summary>
        public void StartScan()
        {
            if (!canScan) return;
            
            float spikeX = _waveformLine.GetSpikeX();
            StartCoroutine(_scanLine.ScanForError(spikeX));
        }

        /// <summary>
        /// 扫描成功后
        /// </summary>
        public void OnScanSuccess()
        {
            _bodyModuleSystem.HandleDeepIn();
            _ = CommonUtil.Delay(2000, StopWave);
        }
        
        /// <summary>
        /// 显示消息
        /// </summary>
        /// <param name="message">消息</param>
        public void ShowScreenMessage(string message, Color textcolor)
        {
            _screenText.text = message;
            _screenText.color=textcolor;
        }

        /// <summary>
        /// 清除消息
        /// </summary>
        public void ClearScreenMessage()
        {
            _screenText.text = "";
            _screenText.color=Color.white;
        }

        #endregion
    }
    
    public enum WaveformType
    {
        Default,
        Sine,
        Square,
        Triangle,
        Sawtooth,
        HotNoise,
        Composite,
        Pulse
    }
}