using BotSharp.Abstraction.Messaging.JsonConverters;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.Extensions.Configuration;
using Microsoft.IdentityModel.Tokens;

namespace BotSharp.OpenAPI;

public static class BotSharpOpenApiExtensions
{
    public static IServiceCollection AddBotSharpOpenAPI(this IServiceCollection services, IConfiguration config)
    {
        // Add services to the container.
        services.AddControllers()
            .AddJsonOptions(options =>
            {
                options.JsonSerializerOptions.Converters.Add(new RichContentJsonConverter());
                options.JsonSerializerOptions.Converters.Add(new TemplateMessageJsonConverter());
            });

        // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
        services.AddEndpointsApiExplorer();
        services.AddSwaggerGen();

        services.AddHttpContextAccessor();

        // Add bearer authentication
        services.AddAuthentication(options =>
        {
            options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
            options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
            options.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
        }).AddJwtBearer(o =>
        {
            o.TokenValidationParameters = new TokenValidationParameters
            {
                ValidIssuer = config["Jwt:Issuer"],
                ValidAudience = config["Jwt:Audience"],
                IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(config["Jwt:Key"])),
                ValidateIssuer = true,
                ValidateAudience = true,
                ValidateLifetime = false,
                ValidateIssuerSigningKey = true
            };
        });

        return services;
    }
}