using KTUSAPS.Auth;
using KTUSAPS.Services;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using System;
using System.Collections.Generic;
using VueCliMiddleware;

namespace KTUSAPS
{
    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.AddControllers(options => 
                options.SuppressAsyncSuffixInActionNames = false
            )
                .AddControllersAsServices();
            services.AddSpaStaticFiles(configuration =>
            {
                configuration.RootPath = "ClientApp/dist";
            });

            services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
                .AddJwtBearer(options =>
                {
                    options.MetadataAddress = "https://login.microsoftonline.com/3415f2f7-f5a8-4092-b52a-003aaf844853/v2.0/.well-known/openid-configuration";
                    options.Audience = Configuration["ClientId"];
                    //options.Authority = Configuration["Authority"];
                });

            services.AddAuthorization((configure) =>
            {
                var adminPolicy = new Microsoft.AspNetCore.Authorization.AuthorizationPolicyBuilder()
                    .RequireAuthenticatedUser()
                    .AddRequirements(new AdminRequirement())
                    .Build();
                configure.AddPolicy("admin", adminPolicy);
                configure.DefaultPolicy = new Microsoft.AspNetCore.Authorization.AuthorizationPolicyBuilder()
                    .RequireAuthenticatedUser()
                    .Build();
            });

            var connectionString = Configuration.GetConnectionString("Main");
            services.AddDbContext<Data.SAPSDataContext>((options) => options.UseMySql(connectionString, ServerVersion.AutoDetect(connectionString)));
            services.AddHostedService<DatabaseInitializationService>();

            services.AddSingleton<IAuthorizationHandler, AdminAuthorizationHandler>();

            services.AddSwaggerGen(options =>
            {
                options.OperationFilter<AuthorizeCheckOperationFilter>();
                options.AddSecurityDefinition("msad", new Microsoft.OpenApi.Models.OpenApiSecurityScheme()
                {
                    Type = Microsoft.OpenApi.Models.SecuritySchemeType.OAuth2,
                    Flows = new Microsoft.OpenApi.Models.OpenApiOAuthFlows()
                    {
                        AuthorizationCode = new Microsoft.OpenApi.Models.OpenApiOAuthFlow()
                        {
                            AuthorizationUrl = new Uri("https://login.microsoftonline.com/3415f2f7-f5a8-4092-b52a-003aaf844853/oauth2/v2.0/authorize"),
                            TokenUrl = new Uri("https://login.microsoftonline.com/3415f2f7-f5a8-4092-b52a-003aaf844853/oauth2/v2.0/token"),
                            Scopes = new Dictionary<string, string>
                            {
                                { "openid", "Access to user's id" },
                                { "profile", "Access to user's name" },
                                { "email", "Access to email" }
                            }
                        }
                    }
                });
            });
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();

                app.UseSwaggerUI(c =>
                {
                    c.SwaggerEndpoint("/swagger/v1/swagger.json", "API");

                    c.OAuthClientId(Configuration["ClientId"]);
                    c.OAuthAppName("KTUSA Problemø sistema");
                    c.OAuthUsePkce();
                });
            }

            app.UseSwagger(c =>
            {
            });
            app.UseRouting();
            app.UseSpaStaticFiles();
            app.UseAuthentication();
            app.UseAuthorization();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });

            app.UseSpa(spa =>
            {
                spa.Options.SourcePath = "ClientApp/";

                if (env.IsDevelopment())
                {
                    spa.UseVueCli(npmScript: "serve");
                }

            });
        }
    }
}