using PostFundManagement.Application.Abstractions.Services;
using PostFundManagement.Application.Extensions;
using PostFundManagement.Domain.Abstractions;
using PostFundManagement.Domain.Errors;
using PostFundManagement.Domain.Extensions;
using PostFundManagement.Domain.Models;
using PostFundManagement.Domain.Security;
using Problems = Microsoft.AspNetCore.Mvc.ProblemDetails;

namespace PostFundManagement.Api.Endpoints.Projects;

[ApiVersionTarget(1)]
public sealed class GetProgrammeProjectsEndpoint : IEndpoint
{
    public void Map(IEndpointRouteBuilder builder)
    {
        builder.MapGet("api/projects/{programmeId}/programme", async (string programmeId,
            IProjectService service, CancellationToken cancellationToken = default) =>
                await service.GetProgrammeProjectsAsync(programmeId, cancellationToken) switch
                {
                    { IsSuccess: true, Value: var projects } => Results.Ok(projects),
                    var r when r.HasError<NotFoundError>() => Results.NotFound(r.Errors.ToProblems()),
                    var r when r.HasError<IdDecodeError>() => Results.Forbid(),
                    var r => Results.InternalServerError(r.Errors.ToProblems()),
                })
            .WithDescription("Get a list of all projects under a programme")
            .RequireAuthorization(Constants.MainScope)
            .WithName(typeof(GetProgrammeProjectsEndpoint).ToEndpointName())
            .MapToApiVersion(new ApiVersion(1))
            .Produces<Project[]>(StatusCodes.Status200OK)
            .Produces(StatusCodes.Status403Forbidden)
            .Produces(StatusCodes.Status401Unauthorized)
            .Produces<Problems>(StatusCodes.Status404NotFound)
            .Produces<Problems>(StatusCodes.Status500InternalServerError)
            .WithTags(EndpointTags.Projects)
            .CacheOutput();
    }
}