using PostFundManagement.Domain.Abstractions;
using PostFundManagement.Domain.Api;
using PostFundManagement.Domain.Extensions;
using PostFundManagement.Infrastructure.Database;

namespace PostFundManagement.Api.Endpoints.Evidence;

[ApiVersionTarget(1)]
public class RecordIndicatorActualAmountEndpoint : IEndpoint
{
    public void Map(IEndpointRouteBuilder builder)
    {
        builder.MapPost("api/evidence/indicators/{id:long}/actuals/{actualAmount:decimal}", async (long id, decimal actualAmount, 
            ClaimsPrincipal principal, IDbContextFactory<ApplicationDbContext> contextFactory, CancellationToken cancellationToken = default) =>
        {
            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var indicator = await context.Indicators.FirstOrDefaultAsync(i => i.Id == id, cancellationToken);

            if (indicator is null)
                return Results.NotFound($"Indicator with ID {id} does not exist.");

            indicator.ActualAmount = actualAmount;

            context.Indicators.Update(indicator);

            return await context.SaveChangesAsync(cancellationToken) > 0 
                ? Results.Ok(indicator) 
                : Results.BadRequest("Failed to record actual amount");
        })
        .RequireAuthorization()
        .WithDescription("Record actual values for indicators (M08)")
        .WithName(typeof(RecordIndicatorActualAmountEndpoint).ToEndpointName())
        .MapToApiVersion(new ApiVersion(1))
        .Produces<Domain.Entities.Indicator>(StatusCodes.Status200OK)
        .Produces(StatusCodes.Status404NotFound)
        .Produces(StatusCodes.Status401Unauthorized)
        .WithTags(EndpointTags.Evidence);
    }
}