using CloudBuilder.Core.DatabaseAccessor;
using CloudBuilder.Core.DatabaseAccessor.Entity;
using CloudBuilder.Core.Policy;
using CloudBuilder.Core.Service;
using CloudBuilder.Master.Data;
using CloudBuilder.Master.Entity;
using CloudBuilder.Master.Policy;
using CloudBuilder.Master.SearchCriteria;
using CloudBuilder.Security.Entity;
using CloudBuilder.Security.Policy;
using CloudBuilder.Security.Service;
using CloudBuilder.Security.Utility;
using Microsoft.AspNetCore.Authorization;
using Microsoft.Extensions.DependencyInjection;
namespace CloudBuilder.Master.Service
{
    public class PublishVideoService : IPublishVideoService
    {
        private readonly IApplicationService service;

        private IRepository<PublishVideoEntity> repository;
        public PublishVideoService(IApplicationService service)
        {
            this.service = service;
            repository = service.GetRepository<IRepository<PublishVideoEntity>>();
        }

        [PermissionOperate(name: MasterPermissionPolicy.PublishVideo, operate: Operate.Find)]
        public PublishVideoData FindByKey(string key)
        {
            PublishVideoData data = new PublishVideoData();
            if (string.IsNullOrEmpty(key)) return data;

            PublishVideoEntity publish = repository.DetachedEntities.Where(x => x.PublishName == key).FirstOrDefault();

            if (publish == null) return data;

            IRepository<PublishVideoFamilyGroupEntity> repositoryPublishVideoFamilyGroup = repository.GetRepository<IRepository<PublishVideoFamilyGroupEntity>>();
            IRepository<FamilyGroupEntity> repositoryFamilyGroup = repository.GetRepository<IRepository<FamilyGroupEntity>>();


            IQueryable<PublishVideoFamilyGroupDisplayData>? q = from e in repositoryPublishVideoFamilyGroup.DetachedEntities
                                                                join fg in repositoryFamilyGroup.DetachedEntities on e.FamilyName equals fg.FamilyName
                                                                where e.PublishName == key
                                                                select new PublishVideoFamilyGroupDisplayData(fg)
                                                                {
                                                                    CreatedBy = e.CreatedBy,
                                                                    CreatedDatetime = e.CreatedDatetime,
                                                                    UpdatedBy = e.UpdatedBy,
                                                                    UpdatedDatetime = e.UpdatedDatetime,
                                                                    PublishName = e.PublishName,
                                                                };

            data.FamilyGroups = q.ToArray();
            if (publish.OwnerName != service.UserId && !YesNoPolicy.IsYes(publish.OpenIndc) && data.FamilyGroups.Length == 0)
            {
                throw new ValidatedException("没有权限.");
            }
            else if (publish.OwnerName != service.UserId && !YesNoPolicy.IsYes(publish.OpenIndc) && data.FamilyGroups.Length > 0)
            {
                IRepository<FamilyGroupManagerEntity> repositoryFamilyGroupManager = repository.GetRepository<IRepository<FamilyGroupManagerEntity>>();

                IQueryable<string>? fgm = from e in repositoryFamilyGroupManager.DetachedEntities
                                          where e.UserName == service.UserId && data.FamilyGroups.Where(x => x.FamilyName == e.FamilyName).Count() > 0
                                          select e.UserName;

                if (fgm.Count() == 0)
                    throw new ValidatedException("没有权限.");
            }

            data.PublishVideo = publish;

            IRepository<PublishVideoDetailEntity> repositoryPublishVideoDetail = repository.GetRepository<IRepository<PublishVideoDetailEntity>>();
            data.Details = repositoryPublishVideoDetail.DetachedEntities.Where(x => x.PublishName == publish.PublishName).OrderBy(x => x.OrderBy).Select(x => new PublishVideoDetailDisplayData(x)).ToArray();

            if (data.Details != null && data.Details.Length > 0)
            {
                var webRootPath = service.Configuration[ServiceSettingsPolicy.RequestPath];
                var phy = service.Configuration[ServiceSettingsPolicy.PhysicalFileDirectory];
                var scale = service.Configuration[ServiceSettingsPolicy.DmsFileScaleDirectory].Replace(phy, "");

                IRepository<DmsFileEntity> repositoryDmsFile = repository.GetRepository<IRepository<DmsFileEntity>>();

                foreach (var item in data.Details)
                {
                    if (!string.IsNullOrEmpty(item.Url) && FileTypePolicy.GetType(item.Url!) == FileTypePolicy.VIDEO)
                    {
                        var upload = service.Configuration[ServiceSettingsPolicy.DmsFileUploadDirectory].Replace(phy, "");

                        var filePathRel = Path.Combine(upload, item.CreatedBy, "m3u8", "");
                        var filePath = filePathRel.Replace(Path.DirectorySeparatorChar, '/');
                        item.FormattedUrl = service.Configuration[AppsettingsPolicy.ApplicationUrl] + webRootPath + filePath + Path.GetFileNameWithoutExtension(item.Url) + "/main.m3u8";

                        item.FormattedPic = item.FormattedUrl.Replace("main.m3u8", "main.png");

                        DmsFileEntity dmsFileEntity = repositoryDmsFile.DetachedEntities.Where(x => x.OrderKey == Path.GetFileNameWithoutExtension(item.Url)).FirstOrDefault();
                        string transcodeIndc = YesNoPolicy.NO;
                        if (dmsFileEntity != null) transcodeIndc = dmsFileEntity.TranscodeIndc;
                        item.FormattedUrl = FileTypePolicy.PackUrl(service, item.CreatedBy, item.Url, transcodeIndc);


                    }
                }
            }

            return data;
        }

        [PermissionOperate(name: MasterPermissionPolicy.PublishVideo, operate: Operate.Find)]
        public PublishVideoResultData FindBySearchCriteria(PublishVideoSearchCriteria criteria)
        {
            PublishVideoResultData data = new PublishVideoResultData();
            PublishVideoEntity[] list = null;

            Int64 count = 0;

            string sqlWhere = null;

            if (criteria.Filter != null && criteria.Filter.Length > 0)
            {
                sqlWhere = SearchFilter.ComposeWhereClause(criteria.Filter);
            }

            sqlWhere = sqlWhere + string.Format(" and ({0} ='{1}' or {2} ='{3}') ",
               PublishVideoEntity.DB_OWNER_NAME, service.UserId,
               PublishVideoEntity.DB_OPEN_INDC, criteria.IsModal ? service.UserId : YesNoPolicy.YES);

            PublishVideoEntity entity = PublishVideoEntity.GetInstance(repository.GetDbContext().Database.ProviderName);
            string sql = entity.GetSelectTopFrom(criteria.limit, criteria.page, criteria.orderby.StringToDbField(), criteria.orderbytag, sqlWhere);

            string err = null;
            try
            {
                list = repository.FromSql(sql).ToArray();
            }
            catch (System.Exception ex)
            {
                err = ex.Message;
            }


            if (list != null && list.Length > 0)
            {
                sql = entity.GetSelectCountFrom(sqlWhere);
                count = Convert.ToInt64(repository.ExecuteScalar(sql));
            }

            data.Limit = criteria.limit;
            data.Page = criteria.page;
            data.Datas = list;
            data.Total = count;
            //data.Sql = sql;
            data.ErrorMessage = err;
            return data;
        }

        [PermissionOperate(name: MasterPermissionPolicy.PublishVideo, operate: Operate.Find)]
        public PublishVideoData FindPublishVideoDefault()
        {
            PublishVideoEntity publish = repository.DetachedEntities.Where(x => x.OwnerName == service.UserId && x.DefaultIndc == YesNoPolicy.YES).FirstOrDefault();
            if (publish == null) return null;
            return FindByKey(publish.PublishName);
        }

        [PermissionOperate(name: MasterPermissionPolicy.PublishVideo, operate: Operate.Print)]
        public dynamic PrintBySearchCriteria(PublishVideoSearchCriteria criteria)
        {
            throw new NotImplementedException();
        }

        [PermissionOperate(name: MasterPermissionPolicy.PublishVideo, operate: Operate.Insert)]
        [UnitOfWork]
        public PublishVideoData Insert(PublishVideoData data)
        {
            PublishVideoEntity photoPublish = repository.DetachedEntities.Where(x => x.PublishLocalName == data.PublishVideo.PublishLocalName).FirstOrDefault();
            if (photoPublish != null)
            {
                throw new ValidatedException($"[{photoPublish.PublishLocalName}]已发布.");
            }

            Validate(data.PublishVideo);

            if (data.PublishVideo.DefaultIndc == YesNoPolicy.YES)
            {
                CancelDefaultIndc(null);
            }

            photoPublish = new PublishVideoEntity();
            ObjectCopyHelper.Copy(data.PublishVideo, photoPublish);

            ISecurityGeneratorNumberService securityGeneratorNumberService = service.ServiceProvider.GetService<ISecurityGeneratorNumberService>()!;

            photoPublish.PublishName = securityGeneratorNumberService.GetNo(MasterPrefixPolicy.AUDIO_PUBLISH, MasterPrefixPolicy.AUDIO_PUBLISH_PUBLISH_NAME, "AP", YesNoPolicy.YES, "yymmdd00000");
            photoPublish.OwnerName = service.UserId;

            repository.InsertNow(photoPublish);

            SavePublishVideoFamilyGroup(photoPublish.PublishName, data.FamilyGroups);

            return FindByKey(photoPublish.PublishName);
        }

        [PermissionOperate(name: MasterPermissionPolicy.PublishVideo, operate: Operate.Update)]
        [UnitOfWork]
        public PublishVideoData Update(PublishVideoData data)
        {
            PublishVideoEntity publishEntity = repository.DetachedEntities.Where(x => x.OwnerName == service.UserId && x.PublishName == data.PublishVideo.PublishName).FirstOrDefault();
            if (publishEntity == null)
            {
                throw new ValidatedException("记录不存在.");
            }

            ValidateHelper.Validate(service, data.PublishVideo, PublishVideoEntity.DB_NAME_PUBLISH_VIDEO);

            if (data.PublishVideo.DefaultIndc == YesNoPolicy.YES)
            {
                CancelDefaultIndc(data.PublishVideo.PublishName);
            }

            publishEntity = new PublishVideoEntity();
            ObjectCopyHelper.Copy(data.PublishVideo, publishEntity);

            repository.UpdateNow(publishEntity);

            //只有删除和更新，没有插入
            SavePublishVideoDetails(publishEntity.PublishName, data.Details);

            SavePublishVideoFamilyGroup(publishEntity.PublishName, data.FamilyGroups);

            return FindByKey(publishEntity.PublishName);
        }

        private void SavePublishVideoDetails(string publishName, PublishVideoDetailEntity[] details)
        {
            if (details != null && details.Length > 0)
            {
                int i = 1;
                foreach (PublishVideoDetailEntity dtl in details)
                {
                    dtl.OrderBy = i++;
                }
            }

            IRepository<PublishVideoDetailEntity> repositoryPublishVideoDetail = repository.GetRepository<IRepository<PublishVideoDetailEntity>>();

            PublishVideoDetailEntity[] olds = repositoryPublishVideoDetail.Entities.Where(x => x.PublishName == publishName).ToArray();
            if (olds != null && olds.Length > 0)
            {
                //存在更新，不存在删除

                foreach (PublishVideoDetailEntity old in olds)
                {
                    if (details != null && details.Length > 0 && details.Where(x => x.DetailId == old.DetailId).Count() > 0)
                    {
                        PublishVideoDetailEntity dtl = details.Where(x => x.DetailId == old.DetailId).FirstOrDefault();

                        old.Title = dtl.Title;
                        old.Author = dtl.Author;
                        old.Pic = dtl.Pic;
                        old.Url = dtl.Url;
                        old.Lrc = dtl.Lrc;
                        old.OrderBy = dtl.OrderBy;
                        old.Notice = dtl.Notice;

                        repositoryPublishVideoDetail.UpdateNow(old);
                    }
                    else
                    {
                        repositoryPublishVideoDetail.DeleteNow(old);
                    }
                }
            }
        }

        private void Validate(PublishVideoEntity photoPublish)
        {
            List<SysTableSchemaViewEntity> sysTableSchemas = service.ServiceProvider.GetRequiredService<ISysTableSchemaViewService>().FindByTableName(PublishVideoEntity.DB_NAME_PUBLISH_VIDEO);
            ValidateHelper.ValidateString(photoPublish, sysTableSchemas.ToArray());
        }

        private void SavePublishVideoFamilyGroup(string publishName, PublishVideoFamilyGroupEntity[] familyGroups)
        {
            IRepository<PublishVideoFamilyGroupEntity> repositoryPublishVideoFamilyGroup = repository.GetRepository<IRepository<PublishVideoFamilyGroupEntity>>();

            PublishVideoFamilyGroupEntity[] olds = repositoryPublishVideoFamilyGroup.Entities.Where(x => x.PublishName == publishName).ToArray();
            if (olds != null && olds.Length > 0)
            {
                //存在更新，不存在删除

                foreach (PublishVideoFamilyGroupEntity old in olds)
                {
                    if (familyGroups != null && familyGroups.Length > 0 && familyGroups.Where(x => x.FamilyName == old.FamilyName).Count() > 0)
                    {
                        //只有主键，无需更新
                        //repositoryPpf.UpdateNow(old);
                    }
                    else
                    {
                        repositoryPublishVideoFamilyGroup.DeleteNow(old);
                    }
                }
            }
            if (familyGroups != null && familyGroups.Length > 0)
                foreach (PublishVideoFamilyGroupEntity dto in familyGroups)
                {
                    if (string.IsNullOrEmpty(dto.CreatedBy))
                        repositoryPublishVideoFamilyGroup.InsertNow(new PublishVideoFamilyGroupEntity()
                        {
                            PublishName = publishName,
                            FamilyName = dto.FamilyName,
                        });
                }
        }


        public void CancelDefaultIndc(string publishLocalName)
        {
            PublishVideoEntity[] orgs = repository.DetachedEntities.Where(x => x.PublishName != publishLocalName && x.OwnerName == service.UserId && x.DefaultIndc == YesNoPolicy.YES).ToArray();
            foreach (PublishVideoEntity org in orgs)
            {
                org.DefaultIndc = YesNoPolicy.NO;
            }

            if (orgs != null && orgs.Length > 0)
                repository.UpdateNow(orgs);
        }

        [PermissionOperate(name: MasterPermissionPolicy.PublishVideo, operate: Operate.Delete)]
        [UnitOfWork]
        public void Delete(string key)
        {
            PublishVideoEntity publishEntity = repository.DetachedEntities.Where(x => x.OwnerName == service.UserId && x.PublishName == key).FirstOrDefault();
            if (publishEntity == null)
            {
                throw new ValidatedException("记录不存在.");
            }

            repository.DeleteNow(publishEntity);


            IRepository<PublishVideoDetailEntity> repositoryDetail = repository.GetRepository<IRepository<PublishVideoDetailEntity>>();

            PublishVideoDetailEntity[] detail = repositoryDetail.Entities.Where(x => x.PublishName == key).ToArray();
            if (detail != null && detail.Length > 0)
            {
                foreach (PublishVideoDetailEntity dtl in detail)
                {
                    repositoryDetail.DeleteNow(dtl);
                }
            }


            IRepository<PublishVideoFamilyGroupEntity> repositoryFamilyGroup = repository.GetRepository<IRepository<PublishVideoFamilyGroupEntity>>();

            PublishVideoFamilyGroupEntity[] groups = repositoryFamilyGroup.Entities.Where(x => x.PublishName == key).ToArray();
            if (groups != null && groups.Length > 0)
            {
                foreach (PublishVideoFamilyGroupEntity gp in groups)
                {
                    repositoryFamilyGroup.DeleteNow(gp);
                }
            }
        }


        [PermissionOperate(name: MasterPermissionPolicy.PublishVideo, operate: Operate.Insert)]
        public void InsertPublishVideoDetail(PublishData publishData)
        {
            IRepository<DmsFileUploadViewEntity> repositoryDmsFile = repository.GetRepository<IRepository<DmsFileUploadViewEntity>>();
            DmsFileUploadViewEntity dmsFile = repositoryDmsFile.DetachedEntities.Where(x => x.FileId == publishData.FileId).FirstOrDefault();

            if (dmsFile == null) return;
            if (!FileTypePolicy.IsVideo(dmsFile.OrderKey)) return;

            InsertPublishVideoDetail(dmsFile, publishData.PublishName);
        }

        private void InsertPublishVideoDetail(DmsFileUploadViewEntity dmsFile, string publishName)
        {
            IRepository<PublishVideoDetailEntity> repositoryPublishVideoDetail = repository.GetRepository<IRepository<PublishVideoDetailEntity>>();

            PublishVideoDetailEntity[] dtls = repositoryPublishVideoDetail.DetachedEntities.Where(x => x.PublishName == publishName).ToArray();

            if (dtls != null && dtls.Where(x => x.Url == dmsFile.OrderKey).Count() > 0) return;

            PublishVideoDetailEntity dtl = new PublishVideoDetailEntity();
            dtl.PublishName = publishName;
            string orgFileName = Path.GetFileNameWithoutExtension(dmsFile.OrgFileName);
            string[] tts = orgFileName.Split('-');
            dtl.Title = tts[0].Trim();
            if (tts.Length > 1) dtl.Author = tts[1].Trim();

            dtl.OwnerName = dmsFile.OwerId;
            if (dtls != null && dtls.Length > 0)
                dtl.OrderBy = dtls.Sum(x => x.OrderBy) + 1;
            dtl.Url = dmsFile.OrderKey;

            repositoryPublishVideoDetail.InsertNow(dtl);
        }
    }
}