using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using AutoMapper;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.IdentityModel.Tokens;
using Microsoft.OpenApi.Models;
using Serwer.Api.Framework;
using Serwer.Core.Repositories;
using Serwer.Infrastructure.Mappers;
using Serwer.Infrastructure.Repositories;
using Serwer.Infrastructure.Services;
using Serwer.Infrastructure.Settings;

namespace Serwer.Api
{
    public class Startup
    {
        public Startup(IConfiguration configuration, IWebHostEnvironment env)
        {
            Configuration = configuration;
            WebRootPath = env.WebRootPath;
        }

        public IConfiguration Configuration { get; }
        protected string WebRootPath { get; set; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllers();
            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new OpenApiInfo { Title = "Serwer.Api", Version = "v1" });
                var jwtSecurityScheme = new OpenApiSecurityScheme
                {
                    Scheme = "bearer",
                    BearerFormat = "JWT",
                    Name = "JWT Authentication",
                    In = ParameterLocation.Header,
                    Type = SecuritySchemeType.Http,
                    Description = "Put **_ONLY_** your JWT Bearer token on textbox below!",

                    Reference = new OpenApiReference
                    {
                        Id = JwtBearerDefaults.AuthenticationScheme,
                        Type = ReferenceType.SecurityScheme
                    }
                };

                c.AddSecurityDefinition(jwtSecurityScheme.Reference.Id, jwtSecurityScheme);
                c.AddSecurityRequirement(new OpenApiSecurityRequirement
                {
                    { jwtSecurityScheme, Array.Empty<string>() }
                });
            });

            var hostEnviroment = new HostEnviroment { RootPath = WebRootPath };
            var jwtSettings = new JwtSettings()
            {
                Issuer = "PoszukiwaczInc",
                ExpiryMinutes = 120,
                Key = "Fjjji0Hdsa4$JgrwIO1j678dCelgFymdo"
            };

            services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
                .AddJwtBearer(c =>
                {
                    c.TokenValidationParameters = new TokenValidationParameters
                    {
                        IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(jwtSettings.Key)),
                        ValidIssuer = jwtSettings.Issuer,
                        ValidateAudience = false,
                        ValidateLifetime = true
                    };
                });

            services.AddSingleton<IHostEnviroment>(hostEnviroment);
            services.AddSingleton<IMapper>(AutoMapperConfig.Initialize());
            services.AddSingleton<IJwtHandler, JwtHandler>(sp => new JwtHandler(jwtSettings));
            services.AddScoped<IUserRepository, UserRepository>();
            services.AddScoped<IImageHandler, ImageHandler>();
            services.AddScoped<IUserService, UserService>();
            services.AddScoped<ISearchService, SearchService>();
        }

        // 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.UseCors(builder =>
                    {
                        builder.AllowAnyHeader();
                        builder.AllowAnyMethod();
                        builder.AllowAnyOrigin();
                    });
                app.UseDeveloperExceptionPage();
                app.UseSwagger();
                app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "Serwer.Api v1"));
            }
            app.UseRouting();

            app.UseMiddleware(typeof(ExceptionHandlerMiddleware));

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

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