//--------------------------------------------------------------------
//     此代码由liquid模板自动生成  byzhouhang 20240909
//     生成时间 2026-03-10 06:15:17Z 
//     对此文件的更改可能会导致不正确的行为，并且如果重新生成代码，这些更改将会丢失。
//--------------------------------------------------------------------
using AutoMapper;
using IRaCIS.Core.Application.Helper;

using IRaCIS.Core.Domain.Models;
using IRaCIS.Core.Domain.Share;
using IRaCIS.Core.Infra.EFCore;
using IRaCIS.Core.Infra.EFCore.Common;
using IRaCIS.Core.Infrastructure.Extention;
using IRaCIS.Core.SCP;
using IRaCIS.Core.SCP.Service;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Localization;
using Microsoft.Extensions.Options;
using System.Drawing;
using System.Threading.Channels;
using System.Threading.Tasks;
using ZiggyCreatures.Caching.Fusion;

namespace IRaCIS.Core.SCP.Service;

public class FileUploadRecordAddOrEdit
{
    public Guid? Id { get; set; }


    public string FileName { get; set; }

    public long FileSize { get; set; }

    public string FileType { get; set; }

    public string Path { get; set; }


    public string UploadBatchId { get; set; }
    public BatchDataType BatchDataType { get; set; }


    public Guid? TrialId { get; set; }

    public Guid? SubjectId { get; set; }

    public Guid? SubjectVisitId { get; set; }

    public Guid? DicomStudyId { get; set; }

    public Guid? NoneDicomStudyId { get; set; }



    public string FileMarkId { get; set; }

    public int? Priority { get; set; }
    public string IP { get; set; }
    public bool? IsNeedSync { get; set; }
    public string UploadRegion { get; set; }
    public string TargetRegion { get; set; }
}
public interface IFileUploadRecordService
{

   
    Task<IResponseOutput> AddOrUpdateFileUploadRecord(FileUploadRecordAddOrEdit addOrEditFileUploadRecord);

}

[ApiExplorerSettings(GroupName = "Common")]
public class FileUploadRecordService(IRepository<FileUploadRecord> _fileUploadRecordRepository,
                                  IMapper _mapper, IUserInfo _userInfo, IStringLocalizer _localizer, IOptionsMonitor<ObjectStoreServiceOptions> options,
                                  IFusionCache _fusionCache, IRepository<Trial> _trialRepository, FileSyncQueue _fileSyncQueue) : BaseService, IFileUploadRecordService
{

    ObjectStoreServiceOptions ObjectStoreServiceConfig = options.CurrentValue;




  

    public async Task<IResponseOutput> AddOrUpdateFileUploadRecord(FileUploadRecordAddOrEdit addOrEditFileUploadRecord)
    {

        addOrEditFileUploadRecord.IP = _userInfo.IP;

        if (ObjectStoreServiceConfig.IsOpenStoreSync && _userInfo.Domain.IsNotNullOrEmpty())
        {
            var find = ObjectStoreServiceConfig.SyncConfigList.FirstOrDefault(t => t.Domain == _userInfo.Domain);
            if (find != null)
            {
                addOrEditFileUploadRecord.UploadRegion = find.UploadRegion;
                addOrEditFileUploadRecord.TargetRegion = find.TargetRegion;

            }
        }

        if (addOrEditFileUploadRecord.TrialId != null)
        {

            var trialDataStore = await _fusionCache.GetOrSetAsync(CacheKeys.TrialDataStoreType(addOrEditFileUploadRecord.TrialId.Value), async _ =>
            {
                return await _trialRepository.Where(t => t.Id == addOrEditFileUploadRecord.TrialId).Select(t => t.TrialDataStoreType)
                    .FirstOrDefaultAsync();
            },
                      TimeSpan.FromDays(7)
                  );

            //项目配置了，那么就设置需要同步
            if (trialDataStore == TrialDataStore.MUtiCenter)
            {
                addOrEditFileUploadRecord.IsNeedSync = true;

                addOrEditFileUploadRecord.Priority = 0;


            }
            else
            {
                addOrEditFileUploadRecord.TargetRegion = "";

            }

        }
        else
        {
            //系统文件，默认同步
            addOrEditFileUploadRecord.IsNeedSync = true;

            addOrEditFileUploadRecord.Priority = 0;
        }

        var entity = await _fileUploadRecordRepository.InsertOrUpdateAsync(addOrEditFileUploadRecord, true);

        if (addOrEditFileUploadRecord.IsNeedSync == true)
        {
            _fileSyncQueue.Enqueue(entity.Id, addOrEditFileUploadRecord.Priority ?? 0);
        }

        return ResponseOutput.Ok(entity.Id.ToString());

    }




}




/// <summary>
/// 同步队列 信号量
/// </summary>
public class FileSyncQueue
{
    private readonly PriorityQueue<Guid, int> _queue = new();
    private readonly SemaphoreSlim _signal = new(0);
    private readonly object _lock = new();

    public void Enqueue(Guid id, int priority)
    {
        lock (_lock)
        {
            // priority 越大越优先
            _queue.Enqueue(id, -priority);
        }

        //类似于计数器，不会产生通知风暴，可消费资源 +1
        //if (有等待线程)  唤醒一个 else 仅增加计数
        _signal.Release(); // 唤醒一个 worker
    }

    /// <summary>
    /// 如果没有任务 → 挂起等待  有任务 → 被唤醒并返回
    /// </summary>
    /// <param name="ct"></param>
    /// <returns></returns>
    public async Task<Guid> DequeueAsync(CancellationToken ct)
    {
        await _signal.WaitAsync(ct);

        lock (_lock)
        {
            return _queue.Dequeue();
        }
    }
}