using F9WebAiTest.Application.Common.Exceptions;
using F9WebAiTest.Domain.Interfaces.SYS.Departments;
using MediatR;

namespace F9WebAiTest.Application.CQRS.SYS.Departments.Commands;

/// <summary>命令定义</summary>
public record Department_ActiveOrDeactivateCommand(long Id, bool Active) : IRequest<bool>;

/// <summary>命令处理器</summary>
public class ActiveOrDeactivateDepartmentCommandHandler(
    IDepartmentWriteRepository departmentWriteRepository,
    IPublisher eventBus) : IRequestHandler<Department_ActiveOrDeactivateCommand, bool>
{
    public async Task<bool> Handle(Department_ActiveOrDeactivateCommand command, CancellationToken cancellationToken)
    {
        var dep = await departmentWriteRepository.GetByIdAsync(command.Id, CancellationToken.None);
        if (dep == null) throw new F9NotFoundException("部门", command.Id);

        if (command.Active) dep.Activate();
        else dep.Deactivate();

        var result = await departmentWriteRepository.ActiveOrDeactive(command.Id, dep.IsActive);
        if (result == false) throw new F9OperationException("启用/禁用", "操作");

        foreach (var de in dep.DomainEvents) await eventBus.Publish(de, cancellationToken);
        dep.ClearDomainEvents();

        return result;
    }
}