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

namespace PostFundManagement.Api.Endpoints.Grants;

[ApiVersionTarget(1)]
public class GetBudgetsEndpoint : IEndpoint
{
    public void Map(IEndpointRouteBuilder builder)
    {
        builder.MapGet("api/grants/budgets", async (IDbContextFactory<ApplicationDbContext> contextFactory, 
            int page = 1, int pageSize = 10, CancellationToken cancellationToken = default) =>
        {
            if (page < 1) page = 1;
            if (pageSize < 1) pageSize = 10;
            if (pageSize > 100) pageSize = 100;

            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var query = context.Budgets.AsNoTracking();

            var totalCount = await query.CountAsync(cancellationToken);

            var items = await query.OrderByDescending(b => b.CreatedAt)
                .Skip((page - 1) * pageSize)
                .Take(pageSize)
                .ToListAsync(cancellationToken);

            return Results.Ok(new { Items = items, TotalCount = totalCount, Page = page, PageSize = pageSize });
        })
        .RequireAuthorization()
        .WithDescription("Get all budgets")
        .WithName(typeof(GetBudgetsEndpoint).ToEndpointName())
        .MapToApiVersion(new ApiVersion(1))
        .Produces(StatusCodes.Status200OK)
        .Produces(StatusCodes.Status401Unauthorized)
        .WithTags(EndpointTags.Grants);
    }
}