using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;

namespace StellaOps.Provcache.Api;

public static partial class ProvcacheEndpointExtensions
{
    /// <summary>
    /// POST /v1/provcache
    /// </summary>
    private static async Task<IResult> CreateOrUpdateAsync(
        ProvcacheCreateRequest request,
        IProvcacheService provcacheService,
        ILogger<ProvcacheApiEndpoints> logger,
        CancellationToken cancellationToken)
    {
        logger.LogDebug("POST /v1/provcache for VeriKey {VeriKey}", request.Entry?.VeriKey);

        if (request.Entry is null)
        {
            return Results.Problem(
                detail: "Request body must contain a valid entry",
                statusCode: StatusCodes.Status400BadRequest,
                title: "Invalid request");
        }

        try
        {
            var success = await provcacheService.SetAsync(request.Entry, cancellationToken);

            if (!success)
            {
                return Results.Problem(
                    detail: "Failed to store cache entry",
                    statusCode: StatusCodes.Status500InternalServerError,
                    title: "Cache write failed");
            }

            return Results.Created($"/v1/provcache/{request.Entry.VeriKey}", new ProvcacheCreateResponse
            {
                VeriKey = request.Entry.VeriKey,
                Success = true,
                ExpiresAt = request.Entry.ExpiresAt
            });
        }
        catch (Exception ex)
        {
            logger.LogError(ex, "Error storing cache entry for VeriKey {VeriKey}", request.Entry?.VeriKey);
            return InternalError("Cache write failed");
        }
    }
}