using Hangfire;
using Hangfire.Dashboard.BasicAuthorization;
using Hangfire.MySql;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.OpenApi.Models;
using System;
using System.Transactions;

namespace JobServer
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        private readonly string _origins = "AllowAllHeaders";
        public IConfiguration Configuration { get; }

        public void ConfigureServices(IServiceCollection services)
        {
            services.AddCors(options => options.AddPolicy(_origins,
                builder =>
                {
                    builder.SetIsOriginAllowed(o => true).AllowAnyMethod().AllowAnyHeader().AllowCredentials();
                })
            );

            services.AddHttpClient();

            services.AddControllersWithViews();

            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new OpenApiInfo { Title = "JobServerApi", Version = "v1" });
            });
            services.AddSwaggerGenNewtonsoftSupport();

            var connectionString = Configuration.GetConnectionString("HangfireConnection");

            services.AddHangfire(configuration => configuration.UseStorage(new MySqlStorage(connectionString, new MySqlStorageOptions
            {
                TransactionIsolationLevel = IsolationLevel.ReadCommitted,
                QueuePollInterval = TimeSpan.FromSeconds(15),
                JobExpirationCheckInterval = TimeSpan.FromHours(1),
                CountersAggregateInterval = TimeSpan.FromMinutes(5),
                PrepareSchemaIfNecessary = true,
                DashboardJobListLimit = 50000,
                TransactionTimeout = TimeSpan.FromMinutes(1),
                TablesPrefix = "Hangfire"
            })));
        }

        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Error");
            }

            string basePath = this.Configuration.GetValue<String>("BasePath", "");

            app.UsePathBase(basePath);

            var options = new DashboardOptions
            {
                Authorization = new[] { new BasicAuthAuthorizationFilter(new BasicAuthAuthorizationFilterOptions
                {
                    RequireSsl = false,
                    SslRedirect = false,
                    LoginCaseSensitive = true,
                    Users = new []
                    {
                        new BasicAuthAuthorizationUser
                        {
                            Login = Configuration["auth:usr"],
                            PasswordClear =  Configuration["auth:pwd"]
                        }
                    }
                }) }
            };

            app.UseHangfireDashboard("/job", options);

            app.UseHangfireServer();

            app.UseCors(_origins);

            app.UseStaticFiles();

            app.UseRouting();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllerRoute(
                    name: "default",
                    pattern: "{controller=Home}/{action=Index}/{id?}");
            });

            app.UseSwagger();

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