using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using CRMSalesBLL.LeadAllocation;
using static GB5Shared.GB5Constant.Constant;

namespace CRMSalesSL.EndPoints.LeadAllocation;

/// <summary>Smart Lead Allocation v1 (capacity-based) — returns a SUGGESTION only, never an
/// auto-assignment. Confirming it is a normal Deal save (SaveDeal with RepId set).</summary>
public class SuggestAllocation : BaseEndpoint<SuggestAllocation.SuggestAllocationParameters, ResponseStandardDTO<object>>
{
    private readonly ILeadAllocationBLL _LeadAllocationBLL;

    public SuggestAllocation(ILeadAllocationBLL leadAllocationBLL) => _LeadAllocationBLL = leadAllocationBLL;

    public override void Configure()
    {
        Post("/LeadAllocation/SuggestAllocation");
        AllowAnonymous();
    }

    public record SuggestAllocationParameters(
        [property: FromHeader] string Login,
        [property: QueryParam] int LeadId
    );

    protected override string? GetCacheKey(SuggestAllocationParameters req, LoginDTO login) => null;

    protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(SuggestAllocationParameters req, LoginDTO login, CancellationToken ct)
    {
        try
        {
            var result = await _LeadAllocationBLL.SuggestAllocationAsync(req.LeadId, login!, ct);
            return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(result, CacheKeyLevel.NOT_REQUIRED, login);
        }
        catch (Exception ex)
        {
            return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(ex, CacheKeyLevel.NOT_REQUIRED, login, ex.Message, 500);
        }
    }
}