using System;
using System.Collections.Specialized;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Infrastructure;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using SelectPdf;

namespace SelectPdf.Samples
{
    public class Startup
    {
        public static string ServerPath;
        public static string WebRootPath;
        public static NameValueCollection collectionDummy;

        // Public marketing site the chrome (nav menu, logo, footer) links at.
        // Set once in Configure: the staging mirror is selectpdf.net; dev and
        // production use selectpdf.com. Stored without a trailing slash.
        public static string MarketingBaseUrl = "https://selectpdf.com";

        // Host-only form (no scheme, no trailing slash) for the footer's
        // visible "selectpdf.com" / "selectpdf.net" label.
        public static string MarketingHost =>
            MarketingBaseUrl.Replace("https://", string.Empty)
                            .Replace("http://", string.Empty)
                            .TrimEnd('/');
        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.AddRazorPages();
            services.AddHttpContextAccessor();
            services.AddScoped<IViewRenderService, ViewRenderService>();

            // Echo the client's download token back as a cookie on file
            // responses so the page JS can restore the "Working …" button when
            // the download is delivered (see DownloadTokenPageFilter).
            services.Configure<MvcOptions>(options =>
                options.Filters.Add<DownloadTokenPageFilter>());
        }

        // 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();
            }
            else
            {
                app.UseExceptionHandler("/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();
            }

            ServerPath = env.ContentRootPath;
            WebRootPath = env.WebRootPath ?? string.Empty;

            // Marketing site the chrome links at — env-specific: staging mirror
            // is selectpdf.net, dev + production both use selectpdf.com. A
            // "MarketingBaseUrl" config value overrides this if a deployment
            // ever needs a different host. (Customer F5 = Development, their
            // deploy = Production → both .com.)
            MarketingBaseUrl =
                (Configuration["MarketingBaseUrl"]
                    ?? (env.IsStaging() ? "https://selectpdf.net" : "https://selectpdf.com"))
                .TrimEnd('/');

            // Apply the DenyLocalFileAccess flag from appsettings.json globally.
            // When true, SelectPdf rejects any attempt to convert local files / file:// URLs.
            GlobalProperties.ForceDenyLocalFileAccess =
                Configuration.GetValue<bool>("DenyLocalFileAccess", false);

            app.UseHttpsRedirection();
            app.UseStaticFiles();

            app.UseRouting();

            app.UseAuthorization();

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