using DiscImageChef.Server.Models;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Prometheus;

namespace DiscImageChef.Server
{
    public class Startup
    {
        public Startup(IConfiguration configuration) => Configuration = configuration;

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddDbContext<DicServerContext>(options => options.
                                                               UseMySql(Configuration.
                                                                            GetConnectionString("DefaultConnection")).
                                                               UseLazyLoadingProxies());

            services.AddDefaultIdentity<IdentityUser>(options =>
            {
                options.SignIn.RequireConfirmedAccount = true;
                options.User.RequireUniqueEmail        = true;
            }).AddEntityFrameworkStores<DicServerContext>();

            services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_3_0);
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            app.UseForwardedHeaders(new ForwardedHeadersOptions
            {
                ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto
            });

            app.UseHttpMetrics();

            if(env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");

                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
                app.UseHsts();
            }

            app.UseStaticFiles();

            app.UseRouting();

            app.UseAuthentication();
            app.UseAuthorization();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllerRoute("areas", "{area}/{controller=Home}/{action=Index}/{id?}");
                endpoints.MapControllerRoute("default", "{controller=Home}/{action=Index}/{id?}");
                endpoints.MapRazorPages();
            });

            app.Map("/metrics", metricsApp =>
            {
                metricsApp.UseMiddleware<BasicAuthMiddleware>("DiscImageChef");

                // We already specified URL prefix in .Map() above, no need to specify it again here.
                metricsApp.UseMetricServer("");
            });
        }
    }
}