using Domain.AggregateModel.AppAggregate;
using Domain.AggregateModel.LinkAggregate;
using FluentValidation;
using FluentValidation.AspNetCore;
using Infrastructure;
using Infrastructure.Repositories;
using MediatR;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Caching.Redis;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.OpenApi.Models;
using Pomelo.EntityFrameworkCore.MySql;
using Pomelo.EntityFrameworkCore.MySql.Infrastructure;
using QRCodeService.Application.Behaviors;
using QRCodeService.Application.Commands;
using QRCodeService.Application.Queries;
using QRCodeService.Application.Validations;
using QRCodeService.Infrastructure.Middlewares;
using QRCodeService.Options;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;

namespace QRCodeService
{
    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)
        {
            //提供等待界面优化用户体验
            services.AddControllersWithViews();
            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new OpenApiInfo { Title = "QRCodeService", Version = "v1" });
            });
            //配置
            services.Configure<ServiceOption>(Configuration.GetSection("hosting"));

            //validator
            services.AddTransient<IValidator<CreateLinkCommand>, CreateLinkCommandValidator>();

            //MediatR+
            services.AddMediatR(Assembly.GetExecutingAssembly())
                .AddTransient(typeof(IPipelineBehavior<,>), typeof(LoggingBehavior<,>))
                .AddTransient(typeof(IPipelineBehavior<,>), typeof(ValidatorBehavior<,>))
                .AddTransient(typeof(IPipelineBehavior<,>), typeof(TransactionBehaviour<,>));
            //EFCore
            services.AddDbContext<AppDbContext>(
                dbContextOptions => dbContextOptions
                    .UseMySql(
                        Configuration.GetConnectionString("Default"),
                        // For common usages, see pull request #1233.
                        new MariaDbServerVersion(new Version(10, 5, 9)), // use MariaDbServerVersion for MariaDB
                        mySqlOptions => mySqlOptions
                            .CharSetBehavior(CharSetBehavior.NeverAppend))
                    // Everything from this point on is optional but helps with debugging.
                    .EnableSensitiveDataLogging()
                    .EnableDetailedErrors()
            );

            //Repository
            services.AddScoped<IAppRepository, AppRepository>();
            services.AddScoped<ILinkRepository, LinkRepository>();
            //Queries
            services.AddScoped<ILinkQueries, LinkQueries>( s=>new LinkQueries(Configuration.GetConnectionString("Default")));
            services.AddScoped<IAppQueries, AppQueries>(s => new AppQueries(Configuration.GetConnectionString("Default")));
            //redis cache
            services.AddDistributedRedisCache(options=>options.Configuration=Configuration.GetSection("redis:default").Value);

            //反向代理中间件
            services.Configure<ForwardedHeadersOptions>(options =>
            {
                options.ForwardedHeaders =
                    ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
            });
        }

        // 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.UseSwagger();
                app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "QRCodeService v1"));
            }
            app.UseForwardedHeaders();
            app.UseRouting();

            app.UseAuthorization();
            app.UseMiddleware<CheckSignMiddleware>();
            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });
        }
    }
}