using AutoMapper;
using mws.backend.dotnet.application.Common;
using mws.backend.dotnet.domain.Tasks;

namespace mws.backend.dotnet.application.Tasks;

internal static class TaskAccess
{
    public static async Task<TaskDto> GetDtoAsync(IUnitOfWork uow, IMapper mapper, Guid id, CancellationToken ct)
    {
        var task = await uow.Tasks.GetWithAssigneeAsync(id, ct)
            ?? throw new NotFoundException("Task not found");
        return mapper.Map<TaskDto>(task);
    }

    public static async Task<TaskItem> GetTaskForUserAsync(IUnitOfWork uow, Guid userId, Guid taskId, CancellationToken ct)
    {
        var task = await uow.Tasks.GetByIdAsync(taskId, ct)
            ?? throw new NotFoundException("Task not found");

        if (!await uow.Projects.IsMemberAsync(task.ProjectId, userId, ct))
        {
            throw new NotFoundException("Task not found");
        }
        return task;
    }

    public static async Task EnsureMemberAccessAsync(IUnitOfWork uow, Guid userId, Guid projectId, CancellationToken ct)
    {
        if (!await uow.Projects.IsMemberAsync(projectId, userId, ct))
        {
            throw new NotFoundException("Project not found");
        }
    }
}