using PostFundManagement.Application.Abstractions;
using PostFundManagement.Domain.Abstractions;

namespace PostFundManagement.Application.Extensions;

public static class General
{
    public static IServiceCollection AddRegisterServices(this IServiceCollection services)
    {
        var serviceType = typeof(IService);

        var sharedImplementations = typeof(IApplication).Assembly.GetTypes()
            .Where(t => serviceType.IsAssignableFrom(t) && t.IsClass && !t.IsAbstract);

        foreach (var sharedImplementation in sharedImplementations) services.AddScoped(sharedImplementation);

        return services;
    }

    public static Guid GetUserId(this HttpContext context) => (Guid)context.Items[Domain.Extensions.Constants.UserIdItemKey]!;

    public static string GetUserEmail(this HttpContext context) => (string)context.Items[Domain.Extensions.Constants.EmailtemKey]!;

    public static (bool Decoded, Guid userId) GetUserId(this ClaimsPrincipal principal)
    {
        var sidClaim = principal.FindFirst("sid")?.Value ?? principal.FindFirst(ClaimTypes.Sid)?.Value;

        var decoded = Guid.TryParse(sidClaim, out var userId);

        return (decoded, userId);
    }

    public static (bool Decoded, Guid email) GetUserEmail(this ClaimsPrincipal principal)
    {
        var emailClaim = principal.FindFirst("email")?.Value ?? principal.FindFirst(ClaimTypes.Email)?.Value;

        var decoded = Guid.TryParse(emailClaim, out var email);

        return (decoded, email);
    }

    public static Microsoft.AspNetCore.Mvc.ProblemDetails ToProblems(this IReadOnlyList<IError> errors) => new()
    {
        Detail = string.Join(',', errors.Select(e => e.Message)),
        Status = StatusCodes.Status400BadRequest,
        Title = errors[0]?.Message,
    };
}