using Application.Domain.Entities;
using Infrastructure.Data;
using Infrastructure.Email;
using Infrastructure.Events;
using Infrastructure.Extensions;
using Infrastructure.Security;
using Infrastructure.UI;
using Infrastructure.Web;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;

namespace IoT.UI.Shard
{
    public class IoTServiceStartup : BaseStartup
    {
        private readonly IWebHostEnvironment _env;

        public IoTServiceStartup(IConfiguration configuration, IWebHostEnvironment env) : base(configuration, env)
        {
            this._env = env;
        }

        public override void ConfigureServices(IServiceCollection services)
        {
            services.AddTransient<IEmailSender, EmptyEmailSender>();
            Assembly.GetExecutingAssembly()
                .GetTypes()
                .Where(t => t.GetInterfaces().Any(o => o.IsGenericType && o.GetGenericTypeDefinition() == typeof(IEventHander<>)))
                .ToList()
                .ForEach(t =>
                {
                    services.AddTransient(t.GetInterfaces().Where(o => o.IsGenericType && o.GetGenericTypeDefinition() == typeof(IEventHander<>)).First(), t);
                });
            base.ConfigureServices(services);
        }

        public override void ConfigureOptions(IServiceCollection services)
        {
            services.ConfigureOptions(new FileConfigureOptions(_env, new List<string> { "IoT.Shared" }));
        }

        public override void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory loggerFactory)
        {
            base.Configure(app, env, loggerFactory);
        }

        public override Task ValidatePrincipal(CookieValidatePrincipalContext arg)
        {
            return Task.Run(() =>
            {
                var userRepo = arg.HttpContext.RequestServices.GetService<IRepository<User>>();

                var userName = arg.Principal.Identity.Name;
                var userPermissions = userRepo.ReadOnlyTable().Where(o => o.UserName == userName)
                                 .SelectMany(o => o.UserRoles)
                                 .Select(o => o.Role)
                                 .SelectMany(o => o.RolePermissions)
                                 .Select(o => o.Permission.Number)
                                 .ToList();
                var currentPermissions = arg.Principal.Claims.Where(o => o.Type == "Role").Select(o => o.Value).ToList();
                if (!currentPermissions.SequenceEqual(userPermissions))
                {
                    arg.HttpContext.SignOutAsync();
                    arg.HttpContext.SignIn(userName, userPermissions, arg.Properties.IsPersistent);
                }
            });
        }

        public override void OnModelCreating(ModelBuilder modelBuilder)
        {
            if (modelBuilder == null)
            {
                throw new ArgumentNullException(nameof(modelBuilder));
            }
            modelBuilder.Entity<PermissionCategory>().HasOne(o => o.Parent).WithMany(o => o.Children).HasForeignKey(o => o.ParentId).OnDelete(DeleteBehavior.SetNull);
            modelBuilder.Entity<Permission>().HasOne(o => o.Category).WithMany(o => o.Permissions).HasForeignKey(o => o.CategoryId).OnDelete(DeleteBehavior.SetNull);
            modelBuilder.Entity<UserRole>().HasOne(o => o.User).WithMany(o => o.UserRoles).HasForeignKey(o => o.UserId);
            modelBuilder.Entity<UserRole>().HasOne(o => o.Role).WithMany(o => o.UserRoles).HasForeignKey(o => o.RoleId);
            modelBuilder.Entity<RolePermission>().HasOne(o => o.Role).WithMany(o => o.RolePermissions).HasForeignKey(o => o.RoleId);
            modelBuilder.Entity<RolePermission>().HasOne(o => o.Permission).WithMany(o => o.RolePermissions).HasForeignKey(o => o.PermissionId);
            modelBuilder.Entity<User>().HasIndex(o => o.UserName).IsUnique();
            modelBuilder.Entity<User>().HasIndex(o => o.Email).IsUnique();
            modelBuilder.Entity<Role>().HasIndex(o => o.Name).IsUnique();
            modelBuilder.Entity<PermissionCategory>().HasIndex(o => o.Number).IsUnique();
            modelBuilder.Entity<Permission>().HasIndex(o => o.Number).IsUnique();
            modelBuilder.Entity<UserRole>().HasIndex(o => new { o.UserId, o.RoleId }).IsUnique();
            modelBuilder.Entity<RolePermission>().HasIndex(o => new { o.RoleId, o.PermissionId }).IsUnique();
            //
            modelBuilder.Entity<Category>().HasIndex(o => o.Number).IsUnique();
            modelBuilder.Entity<Product>().HasOne(o => o.Category).WithMany(o => o.Products).HasForeignKey(o => o.CategoryId);
            modelBuilder.Entity<Product>().HasIndex(o => o.Number).IsUnique();
            modelBuilder.Entity<Api>().HasOne(o => o.Product).WithMany(o => o.Apis).HasForeignKey(o => o.ProductId);
            modelBuilder.Entity<Api>().HasIndex(o => new { o.ProductId, o.Name }).IsUnique();
            modelBuilder.Entity<Node>().HasIndex(o => o.Number).IsUnique();
            modelBuilder.Entity<Device>().HasOne(o => o.Product).WithMany(o => o.Devices).HasForeignKey(o => o.ProductId);
            modelBuilder.Entity<Device>().HasOne(o => o.Node).WithMany(o => o.Devices).HasForeignKey(o => o.NodeId);
            modelBuilder.Entity<Device>().HasIndex(o => o.Number).IsUnique();
            modelBuilder.Entity<Data>().HasOne(o => o.Device).WithMany(o => o.Data).HasForeignKey(o => o.DeviceId);
            modelBuilder.Entity<Parameter>().HasOne(o => o.Api).WithMany(o => o.Parameters).HasForeignKey(o => o.ApiId);
            modelBuilder.Entity<LiveRecord>().Property(o => o.DeviceNumber).IsRequired();
            modelBuilder.Entity<Command>().HasOne(o => o.Api).WithMany(o => o.Commands).HasForeignKey(o => o.ApiId);
            modelBuilder.Entity<Scene>().HasOne(o => o.Node).WithMany(o => o.Scenes).HasForeignKey(o => o.NodeId);
            modelBuilder.Entity<IoTTimer>().HasOne(o => o.Node).WithMany(o => o.Timers).HasForeignKey(o => o.NodeId);
            modelBuilder.Entity<IoTTigger>().HasOne(o => o.Node).WithMany(o => o.Tiggers).HasForeignKey(o => o.NodeId);
            modelBuilder.Entity<IoTTigger>().HasOne(o => o.Data).WithMany(o => o.Tiggers).HasForeignKey(o => o.DataId);
            modelBuilder.Entity<SceneCommand>().HasOne(o => o.Scene).WithMany(o => o.SceneCommands).HasForeignKey(o => o.SceneId);
            modelBuilder.Entity<SceneCommand>().HasOne(o => o.Command).WithMany(o => o.SceneCommands).HasForeignKey(o => o.CommandId);
            modelBuilder.Entity<TimerCommand>().HasOne(o => o.Timer).WithMany(o => o.TimerCommands).HasForeignKey(o => o.TimerId);
            modelBuilder.Entity<TimerCommand>().HasOne(o => o.Command).WithMany(o => o.TimerCommands).HasForeignKey(o => o.CommandId);
            modelBuilder.Entity<TiggerCommand>().HasOne(o => o.Tigger).WithMany(o => o.TiggerCommands).HasForeignKey(o => o.TiggerId);
            modelBuilder.Entity<TiggerCommand>().HasOne(o => o.Command).WithMany(o => o.TiggerCommands).HasForeignKey(o => o.CommandId);
        }

        public override void Seed(DbContext dbContext, IServiceProvider serviceProvider, IConfiguration configuration)
        {
            if (dbContext == null)
            {
                throw new ArgumentNullException(nameof(dbContext));
            }
            dbContext.Set<PermissionCategory>().Add(new PermissionCategory
            {
                Name = "配置",
                Number = "EFConfigurationValue",
                Permissions = new List<Permission> {
                    new Permission { Name = "查看配置", Number = "Read-EFConfigurationValue" },
                    new Permission { Name = "添加配置", Number = "Add-EFConfigurationValue" },
                    new Permission { Name = "修改配置", Number = "Edit-EFConfigurationValue" },
                    new Permission { Name = "删除配置", Number = "Delete-EFConfigurationValue" }
                }
            });
            foreach (var item in dbContext.Model.GetEntityTypes())
            {
                var type = item.ClrType;
                var name = type.GetDisplayName();
                var number = type.Name;
                var category = new PermissionCategory
                {
                    Name = name,
                    Number = type.Name
                };
                category.Permissions.Add(new Permission { Name = $"查看{name}", Number = $"Read-{number}" });
                category.Permissions.Add(new Permission { Name = $"添加{name}", Number = $"Add-{number}" });
                category.Permissions.Add(new Permission { Name = $"修改{name}", Number = $"Edit-{number}" });
                category.Permissions.Add(new Permission { Name = $"删除{name}", Number = $"Delete-{number}" });
                dbContext.Set<PermissionCategory>().Add(category);
            }
            dbContext.SaveChanges();

            var saRole = new Role { Name = "超级管理员", IsReadOnly = true };
            var adminRole = new Role { Name = "管理员", IsReadOnly = true };

            foreach (var item in dbContext.Set<Permission>())
            {
                saRole.RolePermissions.Add(new RolePermission { Permission = item, IsReadOnly = true });
                if (!item.Name.Contains("删除"))
                {
                    adminRole.RolePermissions.Add(new RolePermission { Permission = item, IsReadOnly = true });
                }
            }

            var encryptionService = serviceProvider.GetService<IEncryptionService>();
            var securityStam = "123456";
            dbContext.Set<User>().Add(new User
            {
                UserName = "super",
                SecurityStamp = securityStam,
                PasswordHash = encryptionService.CreatePasswordHash("123456", securityStam),
                Email = "super@test.com",
                UserRoles = new List<UserRole> { new UserRole { Role = saRole } }
            });
            dbContext.Set<User>().Add(new User
            {
                UserName = "admin",
                SecurityStamp = securityStam,
                PasswordHash = encryptionService.CreatePasswordHash("123456", securityStam),
                Email = "admin@test.com",
                UserRoles = new List<UserRole> { new UserRole { Role = adminRole } }
            });
            dbContext.SaveChanges();

            dbContext.Set<Category>().Add(new Category { Id = Guid.Parse("BA92B82B-1E92-428B-92ED-28AD93FB7514"), Number = "00", Name = "网关", Icon = "gateway" });
            dbContext.Set<Category>().Add(new Category { Id = Guid.Parse("8E271914-622C-4B4D-BD33-78993F99BE43"), Number = "10", Name = "安防", Icon = "safe" });
            dbContext.Set<Category>().Add(new Category { Id = Guid.Parse("F510E634-5D1E-4398-A121-6945D43B5A5C"), Number = "20", Name = "电器", Icon = "electric" });
            dbContext.Set<Category>().Add(new Category { Id = Guid.Parse("AC2A427C-173C-4277-B9C5-3B73FFE841C9"), Number = "30", Name = "照明", Icon = "lighting" });
            dbContext.Set<Category>().Add(new Category { Id = Guid.Parse("67FC5B9D-6479-4714-8D07-E24EF0AEB502"), Number = "40", Name = "监测", Icon = "monitor" });
            dbContext.SaveChanges();
        }
    }
}