using System.IO.Compression;
using System.Linq;
using API.Extensions;
using API.Middleware;
using Hangfire;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.AspNetCore.ResponseCompression;
using Microsoft.AspNetCore.StaticFiles;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.OpenApi.Models;

namespace API
{
    public class Startup
    {
        private readonly IConfiguration _config;

        public Startup(IConfiguration config)
        {
            _config = config;
        }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddApplicationServices(_config);
            services.AddControllers();
            services.Configure<ForwardedHeadersOptions>(options =>
            {
                options.ForwardedHeaders =
                    ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
            });
            services.AddCors();
            services.AddIdentityServices(_config);
            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new OpenApiInfo { Title = "API", Version = "v1" });
            });
            // This doesn't seem to work.
            // services.AddResponseCompression(options =>
            // {
            //     options.Providers.Add<BrotliCompressionProvider>();
            //     options.MimeTypes = 
            //         ResponseCompressionDefaults.MimeTypes.Concat(
            //             new[] { "image/jpeg", "image/jpg" });
            // });
            // services.Configure<BrotliCompressionProviderOptions>(options => 
            // {
            //     options.Level = CompressionLevel.Fastest;
            // });
            
            
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IBackgroundJobClient backgroundJobs, IWebHostEnvironment env)
        {
            app.UseMiddleware<ExceptionMiddleware>();
            
            if (env.IsDevelopment())
            {
                app.UseSwagger();
                app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "API v1"));
                app.UseHangfireDashboard();
            }
            
            app.UseForwardedHeaders();

            app.UseRouting();
            
            // Ordering is important. Cors, authentication, authorization
            if (env.IsDevelopment())
            {
                app.UseCors(policy => policy.AllowAnyHeader().AllowAnyMethod().WithOrigins("http://localhost:4200"));
            }
            
            //app.UseResponseCaching();

            app.UseAuthentication();

            app.UseAuthorization();

            app.UseDefaultFiles();
            
            app.UseStaticFiles(new StaticFileOptions
            {
                ContentTypeProvider = new FileExtensionContentTypeProvider()
            });
            

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
                endpoints.MapHangfireDashboard();
                endpoints.MapFallbackToController("Index", "Fallback");
            });
        }
    }
}