using Prism.Events;
using System;
using System.Threading;
using System.Threading.Tasks;
using XP.Hardware.Detector.Abstractions;
using XP.Hardware.Detector.Abstractions.Enums;
using XP.Hardware.Detector.Config;

namespace XP.Hardware.Detector.Implementations
{
    /// <summary>
    /// iRay 探测器实现 | iRay detector implementation
    /// 继承抽象基类，实现 iRay 专属接口 | Inherits abstract base class, implements iRay specific interface
    /// 注意：iRay 探测器实现待后续完成，当前为占位符 | Note: iRay detector implementation to be completed later, currently placeholder
    /// </summary>
    public class IRayDetector : AreaDetectorBase, IIRayDetector
    {
        private readonly IRayDetectorConfig _config;
        private AcquisitionMode _acquisitionMode;
        private double _gain;

        /// <summary>
        /// 探测器类型 | Detector type
        /// </summary>
        public override DetectorType Type => DetectorType.IRay;

        /// <summary>
        /// 构造函数 | Constructor
        /// </summary>
        /// <param name="config">iRay 探测器配置 | iRay detector configuration</param>
        /// <param name="eventAggregator">事件聚合器 | Event aggregator</param>
        public IRayDetector(IRayDetectorConfig config, IEventAggregator eventAggregator)
            : base(eventAggregator)
        {
            _config = config ?? throw new ArgumentNullException(nameof(config));
            _acquisitionMode = config.AcquisitionMode;
            _gain = config.DefaultGain;
        }

        #region IAreaDetector 抽象方法实现 | IAreaDetector abstract method implementations

        /// <summary>
        /// 初始化探测器（内部实现）| Initialize detector (internal implementation)
        /// </summary>
        protected override Task<DetectorResult> InitializeInternalAsync(CancellationToken cancellationToken)
        {
            // TODO: 实现 iRay 探测器初始化逻辑 | Implement iRay detector initialization logic
            throw new NotImplementedException("iRay 探测器初始化尚未实现 | iRay detector initialization not implemented yet");
        }

        /// <summary>
        /// 启动连续采集（内部实现）| Start continuous acquisition (internal implementation)
        /// </summary>
        protected override Task<DetectorResult> StartAcquisitionInternalAsync(CancellationToken cancellationToken)
        {
            // TODO: 实现 iRay 探测器启动采集逻辑 | Implement iRay detector start acquisition logic
            throw new NotImplementedException("iRay 探测器启动采集尚未实现 | iRay detector start acquisition not implemented yet");
        }

        /// <summary>
        /// 停止采集（内部实现）| Stop acquisition (internal implementation)
        /// </summary>
        protected override Task<DetectorResult> StopAcquisitionInternalAsync(CancellationToken cancellationToken)
        {
            // TODO: 实现 iRay 探测器停止采集逻辑 | Implement iRay detector stop acquisition logic
            throw new NotImplementedException("iRay 探测器停止采集尚未实现 | iRay detector stop acquisition not implemented yet");
        }

        /// <summary>
        /// 单帧采集（内部实现）| Single frame acquisition (internal implementation)
        /// </summary>
        protected override Task<DetectorResult> AcquireSingleFrameInternalAsync(CancellationToken cancellationToken)
        {
            // TODO: 实现 iRay 探测器单帧采集逻辑 | Implement iRay detector single frame acquisition logic
            throw new NotImplementedException("iRay 探测器单帧采集尚未实现 | iRay detector single frame acquisition not implemented yet");
        }

        /// <summary>
        /// 暗场校正（内部实现）| Dark field correction (internal implementation)
        /// </summary>
        protected override Task<DetectorResult> DarkCorrectionInternalAsync(int frameCount, CancellationToken cancellationToken)
        {
            // TODO: 实现 iRay 探测器暗场校正逻辑 | Implement iRay detector dark correction logic
            throw new NotImplementedException("iRay 探测器暗场校正尚未实现 | iRay detector dark correction not implemented yet");
        }

        /// <summary>
        /// 增益校正（内部实现）| Gain correction (internal implementation)
        /// </summary>
        protected override Task<DetectorResult> GainCorrectionInternalAsync(int frameCount, CancellationToken cancellationToken)
        {
            // TODO: 实现 iRay 探测器增益校正逻辑 | Implement iRay detector gain correction logic
            throw new NotImplementedException("iRay 探测器增益校正尚未实现 | iRay detector gain correction not implemented yet");
        }

        /// <summary>
        /// 自动校正（内部实现）| Auto correction (internal implementation)
        /// </summary>
        protected override Task<DetectorResult> AutoCorrectionInternalAsync(int frameCount, CancellationToken cancellationToken)
        {
            // TODO: 实现 iRay 探测器自动校正逻辑 | Implement iRay detector auto correction logic
            throw new NotImplementedException("iRay 探测器自动校正尚未实现 | iRay detector auto correction not implemented yet");
        }

        /// <summary>
        /// 坏像素校正（内部实现）| Bad pixel correction (internal implementation)
        /// </summary>
        protected override Task<DetectorResult> BadPixelCorrectionInternalAsync(CancellationToken cancellationToken)
        {
            // TODO: 实现 iRay 探测器坏像素校正逻辑 | Implement iRay detector bad pixel correction logic
            throw new NotImplementedException("iRay 探测器坏像素校正尚未实现 | iRay detector bad pixel correction not implemented yet");
        }

        /// <summary>
        /// 获取探测器信息 | Get detector information
        /// </summary>
        public override DetectorInfo GetInfo()
        {
            // TODO: 实现 iRay 探测器信息查询逻辑 | Implement iRay detector info query logic
            return new DetectorInfo
            {
                Type = DetectorType.IRay,
                Model = "iRay (待实现 | To be implemented)",
                SerialNumber = "N/A",
                FirmwareVersion = "N/A",
                MaxWidth = 0,
                MaxHeight = 0,
                PixelSize = 0.0,
                BitDepth = 16
            };
        }

        #endregion

        #region IIRayDetector 接口实现 | IIRayDetector interface implementations

        /// <summary>
        /// 设置采集模式 | Set acquisition mode
        /// </summary>
        public Task<DetectorResult> SetAcquisitionModeAsync(AcquisitionMode mode)
        {
            // TODO: 实现 iRay 探测器设置采集模式逻辑 | Implement iRay detector set acquisition mode logic
            _acquisitionMode = mode;
            return Task.FromResult(DetectorResult.Success($"采集模式已设置为 {mode}（占位符实现）| Acquisition mode set to {mode} (placeholder implementation)"));
        }

        /// <summary>
        /// 获取采集模式 | Get acquisition mode
        /// </summary>
        public AcquisitionMode GetAcquisitionMode()
        {
            return _acquisitionMode;
        }

        /// <summary>
        /// 设置增益值 | Set gain value
        /// </summary>
        public Task<DetectorResult> SetGainAsync(double gain)
        {
            // TODO: 实现 iRay 探测器设置增益逻辑 | Implement iRay detector set gain logic
            _gain = gain;
            return Task.FromResult(DetectorResult.Success($"增益已设置为 {gain}（占位符实现）| Gain set to {gain} (placeholder implementation)"));
        }

        /// <summary>
        /// 获取增益值 | Get gain value
        /// </summary>
        public double GetGain()
        {
            return _gain;
        }

        #endregion

        #region 资源释放 | Resource disposal

        /// <summary>
        /// 释放资源 | Dispose resources
        /// </summary>
        protected override void Dispose(bool disposing)
        {
            if (!_disposed)
            {
                if (disposing)
                {
                    // TODO: 释放 iRay 探测器托管资源 | Release iRay detector managed resources
                }

                // TODO: 释放 iRay 探测器非托管资源 | Release iRay detector unmanaged resources

                _disposed = true;
            }

            base.Dispose(disposing);
        }

        #endregion
    }
}