using DS.Module.Core;
using DS.Module.Core.Condition;
using DS.Module.Core.Data;
using DS.WMS.Core.Code.Entity;
using DS.WMS.Core.Op.Dtos;
using DS.WMS.Core.Op.Dtos.TaskInteraction;
using DS.WMS.Core.Op.Entity;
using DS.WMS.Core.Op.Entity.TaskInteraction;
using DS.WMS.Core.Op.Interface.TaskInteraction;
using DS.WMS.Core.TaskPlat;
using Fasterflect;
using Masuit.Tools;
using Microsoft.Extensions.DependencyInjection;
using SqlSugar;

namespace DS.WMS.Core.Op.Method.TaskInteraction
{
    /// <summary>
    /// 动作执行管理
    /// </summary>
    public class ActionManagerService : ServiceBase, IActionManagerService
    {
        ITaskLogService logService;

        /// <summary>
        /// 初始化
        /// </summary>
        public ActionManagerService(IServiceProvider serviceProvider) : base(serviceProvider)
        {
            logService = serviceProvider.GetRequiredService<ITaskLogService>();
            TenantDb.QueryFilter.Clear<IOrgId>();
        }

        /// <summary>
        /// 根据指定条件返回是否匹配的结果
        /// </summary>
        /// <param name="request">任务请求</param>
        /// <param name="conditions">匹配条件</param>
        /// <returns></returns>
        public async Task<bool> IsMatchAsync(TaskRequest request, IEnumerable<ConditionContent> conditions)
        {
            ArgumentNullException.ThrowIfNull(request, nameof(request));
            ArgumentNullException.ThrowIfNull(conditions, nameof(conditions));

            var biz = await GetBusinessDataAsync(request.BusinessId, request.BusinessType, conditions);
            if (biz != null)
            {
                TaskFlowDataContext dataContext = new(
                            (TaskFlowDataNameConst.Business, biz)
                        );
                //循环匹配
                foreach (var item in conditions)
                {
                    if (ConditionHelper.IsPass(item, dataContext))
                    {
                        //var logEntity = new BusinessTaskLog
                        //{
                        //    ActionType = ActionType.Create,
                        //    BusinessId = request.BusinessId,
                        //    BusinessType = request.BusinessType,
                        //    TaskType = request.TaskType,
                        //    CreateBy = long.Parse(User.UserId),
                        //    CreateTime = DateTime.Now,
                        //    Remark = $"符合设定条件，已跳过任务的创建"
                        //};
                        //await LogService.WriteLogAsync(logEntity);
                        return true;
                    }
                }
            }

            return false;
        }

        /// <summary>
        /// 获取所需业务数据
        /// </summary>
        /// <param name="businessId">业务ID</param>
        /// <param name="businessType">业务类型</param>
        /// <param name="conditions">条件字段</param>
        /// <returns></returns>
        public async Task<dynamic?> GetBusinessDataAsync(long businessId, BusinessType businessType, IEnumerable<ConditionContent> conditions)
        {
            ArgumentNullException.ThrowIfNull(conditions, nameof(conditions));

            HashSet<string> fields = [];
            foreach (var item in conditions)
            {
                if (item.Conditions != null)
                    fields.AddRange(item.Conditions.Select(x => x.Field));

                if (item.Groups != null)
                    fields.AddRange(item.Groups.SelectMany(x => x.Conditions.Select(x => x.Field)));
            }

            return await GetBusinessDataAsync(businessId, businessType, fields.ToArray());
        }

        /// <summary>
        /// 获取所需业务数据
        /// </summary>
        /// <param name="businessId">业务ID</param>
        /// <param name="businessType">业务类型</param>
        /// <param name="fields">返回字段列表</param>
        /// <returns></returns>
        public async Task<dynamic?> GetBusinessDataAsync(long businessId, BusinessType businessType, params string[] fields)
        {
            object? biz = null;
            switch (businessType)
            {
                case BusinessType.OceanShippingExport:
                    //未设置查询字段
                    if (fields == null || fields.Length == 0)
                    {
                        biz = await TenantDb.Queryable<SeaExport>().ClearFilter(typeof(IOrgId)).Where(a => a.Id == businessId)
                            .Select<SeaExportRes>().Mapper(it =>
                            {
                                it.DischargePortCountry = TenantDb.Queryable<CodePort>().Where(x => x.Id == it.DischargePortId).Select(x => x.CountryName).First();
                            }).FirstAsync();
                    }
                    else
                    {
                        var selectors = fields.Select(x => new SelectModel { FieldName = x }).ToList();
                        biz = await TenantDb.Queryable<object>().AS("op_sea_export").ClearFilter(typeof(IOrgId))
                            .Where("Id=@Id", new { Id = businessId }).Select(selectors).FirstAsync();
                    }
                    break;

                case BusinessType.OceanShippingImport:
                    break;
            }

            return biz;
        }

        /// <summary>
        /// 触发任务执行动作
        /// </summary>
        /// <param name="businessTask">任务信息</param>
        /// <returns></returns>
        public async Task TriggerActionAsync(BusinessTask businessTask)
        {
            ArgumentNullException.ThrowIfNull(businessTask, nameof(businessTask));

            //目前只限制任务完成才触发
            if (businessTask.TaskStatus != TaskStatusEnum.Complete)
                return;

            //var biz = GetBusinessDataAsync(businessTask.BusinessId, businessTask.BusinessType);
            // 执行自动化操作
            TaskFlowDataContext dataContext = new(
                (TaskFlowDataNameConst.BusinessTask, businessTask)
            //(TaskFlowDataNameConst.Business, biz)
            );

            TaskFlowRuner taskFlow = new(TenantDb, ServiceProvider);
            await taskFlow.RunWithBsno(businessTask.TaskType, businessTask.BusinessId, dataContext);
        }

        /// <summary>
        /// 执行动作
        /// </summary>
        /// <param name="dataContext"></param>
        /// <returns></returns>
        public async Task ExecuteAsync(TaskFlowDataContext dataContext)
        {
            ArgumentNullException.ThrowIfNull(dataContext, nameof(dataContext));

            var context = new ActionExecutionContext
            {
                ActionManager = this,
                TaskInfo = dataContext.GetOrDefault<BusinessTask>(TaskFlowDataNameConst.BusinessTask),
                ServiceProvider = ServiceProvider
            };
            foreach (var key in dataContext.Keys)
                context.AdditionalData[key] = dataContext[key];

            var typeName = dataContext.GetOrDefault<string>("TypeName");
            if (typeName.IsNullOrEmpty())
                return;

            Type? t = Type.GetType(typeName, true, false);
            if (t == null)
            {
                await new ApplicationException($"未能获取类型【{typeName}】的信息，请检查配置").LogAsync(Db);
                return;
            }

            IActionExecutor? currentExecutor = null;
            object instance = ConstructorExtensions.CreateInstance(t);
            if (instance is IActionSelector selector)
            {
                currentExecutor = await selector.GetActionExecutor(context);
            }
            else if (instance is IActionExecutor executor)
            {
                currentExecutor = executor;
            }

            if (currentExecutor == null)
            {
                await new ApplicationException($"未能创建类型【{t.AssemblyQualifiedName}】的实例").LogAsync(Db);
                return;
            }

            var logService = context.ServiceProvider.GetRequiredService<ITaskLogService>();
            await logService.WriteLogAsync(context.TaskInfo, $"开始运行后台任务（{currentExecutor.GetType().FullName}）...");
            await currentExecutor.ExecuteAsync(context);
        }

        public async Task<DataResult> TriggerTestAsync(TaskBaseTypeEnum taskType, long? id)
        {
            var task = await TenantDb.Queryable<BusinessTask>()
                .Where(t => t.TaskType == taskType
                    //&& SqlFunc.Subqueryable<SeaExport>().Where(s => t.BusinessId == s.Id && s.BillSubmitStatus == AuditStatusEnum.Approve).Any()
                    )
                //.Where(x => x.TaskStatus == TaskStatusEnum.Complete)
                .WhereIF(id.HasValue, x => x.BusinessId == id)
                .OrderByDescending(t => SqlFunc.GetRandom()).Take(1).FirstAsync();
            if (task != null)
            {
                TaskFlowDataContext dataContext = new(
                    (TaskFlowDataNameConst.BusinessTask, task)
                );

                TaskFlowRuner taskFlow = new(TenantDb, ServiceProvider);
                await taskFlow.RunWithBsno(task.TaskType, task.BusinessId, dataContext);
                return DataResult.Success;
            }

            var result = DataResult.Failed("找不到指定类型的任务");
            result.Data = 404;
            return result;
        }
    }

    /// <summary>
    /// 任务执行类型
    /// </summary>
    public enum TaskActionType
    {
        /// <summary>
        /// 后台任务
        /// </summary>
        Background,

        /// <summary>
        /// 邮件
        /// </summary>
        Email,

        /// <summary>
        /// EDI
        /// </summary>
        EDI,
    }
}