using Grand.Api.Commands.Models.Common;
using Grand.Api.Infrastructure.Extensions;
using Grand.Api.Jwt;
using Grand.Infrastructure.Configuration;
using MediatR;

namespace Grand.Api.Commands.Handlers.Common;

public class GenerateTokenWebCommandHandler : IRequestHandler<GenerateTokenWebCommand, string>
{
    private readonly FrontendAPIConfig _frontendApiConfig;

    public GenerateTokenWebCommandHandler(FrontendAPIConfig frontedApiConfig)
    {
        _frontendApiConfig = frontedApiConfig;
    }

    public async Task<string> Handle(GenerateTokenWebCommand request, CancellationToken cancellationToken)
    {
        var token = new JwtTokenBuilder();
        token.AddSecurityKey(JwtSecurityKey.Create(_frontendApiConfig.SecretKey));

        if (_frontendApiConfig.ValidateIssuer)
            token.AddIssuer(_frontendApiConfig.ValidIssuer);
        if (_frontendApiConfig.ValidateAudience)
            token.AddAudience(_frontendApiConfig.ValidAudience);

        token.AddClaims(request.Claims);
        token.AddExpiry(_frontendApiConfig.ExpiryInMinutes);
        token.Build();

        return await Task.FromResult(token.Build().Value);
    }
}