using Api.BusinessLogic;
using Api.DBAccess;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.EntityFrameworkCore;
using Microsoft.IdentityModel.Tokens;
using Microsoft.OpenApi.Models;
using System.Text;

namespace Api
{
    public class Startup
    {
        public IConfiguration _configuration { get; }

        public Startup(IConfiguration configuration)
        {
            _configuration = configuration;
        }


        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            // Sets the connectionstring to the database so dbcontext can find it
            services.AddDbContext<DBContext>(options =>
                            options.UseSqlite(_configuration.GetConnectionString("Database")));

            services.AddScoped<DbAccess>();
            services.AddScoped<DeviceLogic>();
            services.AddScoped<UserLogic>();

            services.AddControllers();

            services.AddAuthentication(x =>
            {
                x.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
                x.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
                x.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
            }).AddJwtBearer(x =>
            {
                x.TokenValidationParameters = new TokenValidationParameters
                {
                    ValidIssuer = _configuration["JwtSettings:Issuer"],
                    ValidAudience = _configuration["JwtSettings:Audience"],
                    IssuerSigningKey = new SymmetricSecurityKey
                    (
                    Encoding.UTF8.GetBytes(_configuration["JwtSettings:Key"])
                    ),
                    ValidateIssuer = true,
                    ValidateAudience = true,
                    ValidateLifetime = true,
                    ValidateIssuerSigningKey = true
                };
            });


            services.AddCors(options =>
            {
                options.AddPolicy("AllowAll", builder =>
                {
                    builder.AllowAnyOrigin()
                    .AllowAnyMethod().AllowAnyHeader();
                });
            });

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

                // Configure Swagger to use Bearer token authentication
                c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
                {
                    Description = "JWT Authorization header using the Bearer scheme",
                    Type = SecuritySchemeType.Http,
                    Scheme = "bearer"
                });

                c.AddSecurityRequirement(new OpenApiSecurityRequirement
                {
                    {
                        new OpenApiSecurityScheme
                        {
                            Reference = new OpenApiReference
                            {
                                Type = ReferenceType.SecurityScheme,
                                Id = "Bearer"
                            }
                        },
                        new string[] { }
                    }
                });
            });
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            app.UseSwagger();
            app.UseSwaggerUI(c =>
            {
                c.SwaggerEndpoint("/swagger/v1/swagger.json", "My API V1");
            });

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseCors("AllowAll");

            app.UseRouting();

            app.UseAuthentication();

            app.UseAuthorization();

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