using Abp.Dependency;
using Abp.Domain.Repositories;
using Abp.Domain.Uow;

using VberZero.Authorization.Users;
using VberZero.BaseSystem;
using VberZero.DomainService.Notifications;
using VberZero.DomainService.Notifications.Data;
using VberZero.Workflow.DesignInfo;
using VberZero.Workflow.Persistence;

using WorkflowCore.Interface;
using WorkflowCore.Models;

// ReSharper disable UnusedAutoPropertyAccessor.Global
// ReSharper disable MemberCanBePrivate.Global

namespace VberZero.Workflows;

/// <summary>
///  指定角色审批
/// </summary>
public class RoleAuditingStepBody : StepBodyAsync, ITransientDependency
{
    private const string ActionName = "RoleAuditEvent";
    private readonly IAppNotifier _appNotifier;
    private readonly VzUserManager _userManager;
    private readonly IRepository<CommonWorkflowAuditorInfo, string> _auditorRepository;
    private readonly IRepository<WorkflowDefinitionInfo, string> _WorkflowDefinitionRepository;
    private readonly IRepository<WorkflowInfo, string> _workflowInfoRepository;
    private readonly IUnitOfWorkManager _unitOfWorkManager;

    /// <summary>
    /// 审核角色
    /// </summary>
    public string RoleName { get; set; }

    public int CheckCount { get; set; }

    public RoleAuditingStepBody(IAppNotifier appNotifier, VzUserManager userManager, IRepository<CommonWorkflowAuditorInfo, string> auditorRepository, IRepository<WorkflowInfo, string> workflowInfoRepository, IRepository<WorkflowDefinitionInfo, string> workflowDefinitionRepository, IUnitOfWorkManager unitOfWorkManager)
    {
        _appNotifier = appNotifier;
        _userManager = userManager;
        _auditorRepository = auditorRepository;
        _workflowInfoRepository = workflowInfoRepository;
        _WorkflowDefinitionRepository = workflowDefinitionRepository;
        _unitOfWorkManager = unitOfWorkManager;
    }

    [UnitOfWork]
    public override async Task<ExecutionResult> RunAsync(IStepExecutionContext context)
    {
        WorkflowInfo workflow; WorkflowDefinitionInfo workflowDefinition;
        using (_unitOfWorkManager.Current.DisableFilter(AbpDataFilters.MayHaveTenant))
        {
            workflow = await _workflowInfoRepository.FirstOrDefaultAsync(a => a.Id == context.Workflow.Id);
            workflowDefinition = await _WorkflowDefinitionRepository.FirstOrDefaultAsync(a => a.Id == context.Workflow.WorkflowDefinitionId && a.Version ==
                context.Workflow.Version);
        }
        if (workflow == null) return new ExecutionResult() { Proceed = false };
        using (_unitOfWorkManager.Current.SetTenantId(workflow.TenantId))
        {
            var users = _userManager.GetUsersInRoleAsync(RoleName).Result
            .Select(a => new { a.TenantId, a.Id, a.UserName, a.FullName, a.AvatarPath }).ToList();
            if (!users.Any())
            {
                context.Workflow.Status = WorkflowStatus.Complete;
                return ExecutionResult.Next();
            }
            if (!context.ExecutionPointer.EventPublished)
            {
                var user = await _userManager.GetUserByIdAsync(workflow.CreatorUserId ?? 0);

                //添加审批人
                foreach (var u in users)
                {
                    var recordId = Guid.NewGuid().ToString("N");
                    await _auditorRepository.InsertAsync(new CommonWorkflowAuditorInfo()
                    {
                        Id = recordId,
                        WorkflowId = workflow.Id,
                        ExecutionPointerId = context.ExecutionPointer.Id,
                        Status = VzDefinition.WorkflowAuditStatus.UnAudited,
                        UserIdentityName = u.FullName,
                        UserId = u.Id,
                        TenantId = u.TenantId,
                        UserHeadPhoto = u.AvatarPath
                    });
                    //通知审批人
                    await _appNotifier.SendWorkflowAuditNotifyAsync(u.Id, u.TenantId, new WorkflowAuditNotificationData(workflowDefinition.Title, user.Surname, workflow.Id, recordId));
                }
                return ExecutionResult.WaitForEvent(ActionName, Guid.NewGuid().ToString("N"), DateTime.MinValue);
            }

            var passCount = await _auditorRepository.CountAsync(u => u.ExecutionPointerId == context.ExecutionPointer.Id && u.Status == VzDefinition.WorkflowAuditStatus.Pass);
            //需 超过审核人数 通过才能启动下一步
            if (passCount > 0 && (passCount >= CheckCount || passCount == users.Count))
            {
                return ExecutionResult.Next();
            }

            //再次开启事件推送 等待下一次执行
            context.ExecutionPointer.EventPublished = false;
            return ExecutionResult.WaitForEvent(ActionName, Guid.NewGuid().ToString("N"), DateTime.MinValue);
        }
    }
}