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

namespace PostFundManagement.Api.Endpoints.Evidence;

[ApiVersionTarget(1)]
public sealed class GetEvidenceUrlEndpoint : IEndpoint
{
    public void Map(IEndpointRouteBuilder builder)
    {
        builder.MapGet("api/evidence/{evidenceId}/securelink", async (string evidenceId, IEvidenceService service, 
            CancellationToken cancellationToken = default) =>
                await service.GetEvidenceUrlAsync(evidenceIdHash: evidenceId, cancellationToken) switch
                {
                    { IsSuccess: true, Value: var evidenceUrl } => Results.Ok(evidenceUrl),
                    var r when r.HasError<IdDecodeError>() => Results.Forbid(),
                    var r when r.HasError<NotFoundError>() => Results.NotFound(),
                    var r => Results.InternalServerError(r.Errors.ToProblems())
                })
            .WithDescription("Gets a secure download URL of the evidence file, URL expires (default: 15min)")
            .WithName(typeof(GetEvidenceUrlEndpoint).ToEndpointName())
            .MapToApiVersion(new ApiVersion(1))
            .Produces<string>(StatusCodes.Status200OK)
            .Produces<string>(StatusCodes.Status404NotFound)
            .Produces(StatusCodes.Status403Forbidden)
            .Produces(StatusCodes.Status401Unauthorized)
            .Produces<Problems>(StatusCodes.Status500InternalServerError)
            .WithTags(EndpointTags.Grants)
            .CacheOutput();
    }
}