using System;
using System.Threading.Tasks;

//using Application.Domain.Entities;
using Infrastructure.Email;
using Infrastructure.Sms;
using Infrastructure.Web;
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 Ocelot.DependencyInjection;
using Ocelot.Middleware;
using Raven.Embedded;

namespace ApiGateway
{
    public class Startup : BaseStartup
    {
        public Startup(IConfiguration configuration, IHostingEnvironment env) : base(configuration, env)
        {
            EmbeddedServer.Instance.StartServer();
        }

        public override void ConfigureServices(IServiceCollection services)
        {
            services.AddTransient<IEmailSender, EmptyEmailSender>();
            services.AddTransient<ISmsSender, EmptySmsSender>();
            services.AddSignalR(o => o.EnableDetailedErrors = true);
            base.ConfigureServices(services);
            services.AddOcelot();
        }

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

        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)
        {
            //modelBuilder.Entity<PermissionCategory>().HasOne(o => o.Parent).WithMany(o => o.Children).HasForeignKey(o => o.ParentId);
            //modelBuilder.Entity<Permission>().HasOne(o => o.Category).WithMany(o => o.Permissions).HasForeignKey(o => o.CategoryId);
            //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<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();
            ////学校课程
            ////专业分类用来组织学校、学院、系等
            //modelBuilder.Entity<MajorCategory>().HasOne(o => o.Parent).WithMany(o => o.Children).HasForeignKey(o => o.ParentId);
            //modelBuilder.Entity<MajorCategory>().HasIndex(o => new { o.ParentId, o.Number }).IsUnique();
            ////专业用来组织不同学制，如3年专科、4年本科
            //modelBuilder.Entity<Major>().HasOne(o => o.Category).WithMany(o => o.Majors).HasForeignKey(o => o.CategoryId);
            ////每批次入学的学生，按照学制、就业方向等制定不同的教学计划
            //modelBuilder.Entity<TeachingPlan>().HasOne(o => o.Major).WithMany(o => o.Plans).HasForeignKey(o => o.MajorId);
            ////每个教学计划包含不同个学期和就业方向
            //modelBuilder.Entity<Semester>().HasOne(o => o.Plan).WithMany(o => o.Semesters).HasForeignKey(o => o.PlanId);
            ////每个学期包含多个学期课程
            //modelBuilder.Entity<SemesterCourse>().HasOne(o => o.Semester).WithMany(o => o.Courses).HasForeignKey(o => o.SemesterId);
            ////一个课程期对应多个教学计划学期中的课程，这样将学校的学期课程和课程的期统一起来
            //modelBuilder.Entity<SemesterCourse>().HasOne(o => o.Term).WithMany(o => o.SemesterCourses).HasForeignKey(o => o.TermId);

            ////课程分类
            //modelBuilder.Entity<CourseCategory>().HasOne(o => o.Parent).WithMany(o => o.Children).HasForeignKey(o => o.ParentId);
            //modelBuilder.Entity<CourseCategory>().HasIndex(o => new { o.ParentId, o.Number }).IsUnique();

            ////课程分类
            //modelBuilder.Entity<BookCategory>().HasOne(o => o.Parent).WithMany(o => o.Children).HasForeignKey(o => o.ParentId);
            //modelBuilder.Entity<BookCategory>().HasIndex(o => new { o.ParentId, o.Number }).IsUnique();
            //modelBuilder.Entity<Book>().HasOne(o => o.BookCategory).WithMany(o => o.Books).HasForeignKey(o => o.BookCategoryId);
            //modelBuilder.Entity<Section>().HasOne(o => o.Parent).WithMany(o => o.Children).HasForeignKey(o => o.ParentId);
            //modelBuilder.Entity<Section>().HasIndex(o => new { o.ParentId, o.Number }).IsUnique();

            ////每本书有多个章节
            //modelBuilder.Entity<Section>().HasOne(o => o.Book).WithMany(o => o.Sections).HasForeignKey(o => o.BookId);

            ////课程
            //modelBuilder.Entity<Course>().HasOne(o => o.Category).WithMany(o => o.Courses).HasForeignKey(o => o.CategoryId);
            ////每个课程有多个期
            //modelBuilder.Entity<Term>().HasOne(o => o.Course).WithMany(o => o.Terms).HasForeignKey(o => o.CourseId);
            //modelBuilder.Entity<Term>().HasOne(o => o.Book).WithMany(o => o.Terms).HasForeignKey(o => o.BookId);
            ////每期有多个课时
            //modelBuilder.Entity<Lesson>().HasOne(o => o.Term).WithMany(o => o.Lessons).HasForeignKey(o => o.TermId);

            ////课时和资源多对多多对多
            //modelBuilder.Entity<LessonResource>().HasOne(o => o.Lesson).WithMany(o => o.LessonResources).HasForeignKey(o => o.LessionId);
            //modelBuilder.Entity<LessonResource>().HasOne(o => o.Resource).WithMany(o => o.LessonResources).HasForeignKey(o => o.ResourceId);
            //modelBuilder.Entity<LessonResource>().HasIndex(o => new { o.LessionId, o.ResourceId }).IsUnique();

            ////学生和课程的期多对多
            //modelBuilder.Entity<TermUser>().HasOne(o => o.Term).WithMany(o => o.TermUsers).HasForeignKey(o => o.TermId);
            //modelBuilder.Entity<TermUser>().HasOne(o => o.User).WithMany(o => o.TermUsers).HasForeignKey(o => o.UserId);
            //modelBuilder.Entity<TermUser>().HasIndex(o => new { o.TermId, o.UserId }).IsUnique();

            //modelBuilder.Entity<ResourceCategory>().HasOne(o => o.Parent).WithMany(o => o.Children).HasForeignKey(o => o.ParentId);
            //modelBuilder.Entity<Resource>().HasOne(o => o.User).WithMany(o => o.Resources).HasForeignKey(o => o.UserId);
            //modelBuilder.Entity<Resource>().HasOne(o => o.Category).WithMany(o => o.Resources).HasForeignKey(o => o.CategoryId);
            //modelBuilder.Entity<Resource>().HasOne(o => o.Course).WithMany(o => o.Resources).HasForeignKey(o => o.CourseId);
            //modelBuilder.Entity<Resource>().HasOne(o => o.Section).WithMany(o => o.Resources).HasForeignKey(o => o.SectionId);
            //modelBuilder.Entity<Resource>().Property(o => o.Name).IsRequired().HasMaxLength(255);
            ////习题
            //modelBuilder.Entity<Question>().HasOne(o => o.User).WithMany(o => o.Questions).HasForeignKey(o => o.UserId);
            //modelBuilder.Entity<Question>().HasOne(o => o.Course).WithMany(o => o.Questions).HasForeignKey(o => o.CourseId);
            //modelBuilder.Entity<Question>().HasOne(o => o.Section).WithMany(o => o.Questions).HasForeignKey(o => o.SectionId);
            ////习题答题记录
            //modelBuilder.Entity<UserQuestion>().HasOne(o => o.User).WithMany(o => o.UserQuestions).HasForeignKey(o => o.UserId);
            //modelBuilder.Entity<UserQuestion>().HasOne(o => o.Question).WithMany(o => o.UserQuestions).HasForeignKey(o => o.QuestionId);
            //modelBuilder.Entity<UserQuestion>().HasIndex(o => new { o.UserId, o.QuestionId }).IsUnique();
            ////试题答题记录
            //modelBuilder.Entity<UserPaperQuestion>().HasOne(o => o.User).WithMany(o => o.UserPaperQuestions).HasForeignKey(o => o.UserId);
            //modelBuilder.Entity<UserPaperQuestion>().HasOne(o => o.PaperQuestion).WithMany(o => o.UserPaperQuestions).HasForeignKey(o => o.PaperQuestionId);
            //modelBuilder.Entity<UserPaperQuestion>().HasIndex(o => new { o.UserId, o.PaperQuestionId }).IsUnique();
            ////试卷答题记录
            //modelBuilder.Entity<UserPaper>().HasOne(o => o.User).WithMany(o => o.UserPapers).HasForeignKey(o => o.UserId);
            //modelBuilder.Entity<UserPaper>().HasOne(o => o.Paper).WithMany(o => o.UserPapers).HasForeignKey(o => o.PaperId);
            //modelBuilder.Entity<UserPaper>().HasIndex(o => new { o.UserId, o.PaperId }).IsUnique();

            ////考题是具有习题的属性和分值等其他和试卷相关的属性
            //modelBuilder.Entity<PaperQuestion>().HasOne(o => o.Paper).WithMany(o => o.Questions).HasForeignKey(o => o.PaperId);
        }

        public override void Seed(DbContext dbContext, IServiceProvider serviceProvider, IConfiguration configuration)
        {
            //dbContext.Set<PermissionCategory>().Add(new PermissionCategory
            //{
            //    Name = "配置",
            //    Number = "Configuration",
            //    Permissions = new List<Permission> {
            //        new Permission { Name = "查询配置", Number = "ListConfiguration",DisplayOrder =1 },
            //        new Permission { Name = "修改配置", Number = "EditConfiguration",DisplayOrder =2 }
            //    }
            //});
            //int i = 1;
            //var skipReadCollection = new string[] { "Permission" };
            //var skipAddCollection = new string[] { "Permission", "Setting", "Node", "Device", "Data", "Api", "Parameter" };
            //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,
            //        DisplayOrder = i
            //    };
            //    category.Permissions.Add(new Permission { Name = $"查询{name}", Number = $"List{number}", DisplayOrder = 10 * i + 1 });
            //    if (!skipReadCollection.Contains(type.Name))
            //    {
            //        category.Permissions.Add(new Permission { Name = $"查看{name}", Number = $"Read{number}", DisplayOrder = 10 * i + 2 });
            //    }
            //    if (!skipAddCollection.Contains(type.Name))
            //    {
            //        category.Permissions.Add(new Permission { Name = $"添加{name}", Number = $"Add{number}", DisplayOrder = 10 * i + 3 });
            //    }
            //    if (!typeof(IDisableUpdate).IsAssignableFrom(type))
            //    {
            //        category.Permissions.Add(new Permission { Name = $"修改{name}", Number = $"Edit{number}", DisplayOrder = 10 * i + 4 });
            //    }
            //    if (!typeof(IDisableDelete).IsAssignableFrom(type))
            //    {
            //        category.Permissions.Add(new Permission { Name = $"删除{name}", Number = $"Delete{number}", DisplayOrder = 10 * i + 5 });
            //    }
            //    dbContext.Set<PermissionCategory>().Add(category);
            //    i += 1;
            //}
            //dbContext.SaveChanges();
            //var adminRole = new Role { Name = "管理员", IsReadOnly = true };
            //foreach (var item in dbContext.Set<Permission>())
            //{
            //    adminRole.RolePermissions.Add(new RolePermission { Permission = item, IsReadOnly = true });
            //}
            //var user1Id = dbContext.Set<User>().Add(new User
            //{
            //    UserName = "admin",
            //    UserRoles = new List<UserRole> { new UserRole { Role = adminRole } }
            //}).Entity.Id;
            //dbContext.SaveChanges();
            ////课程分类
            //dbContext.Set<CourseCategory>().Add(new CourseCategory { Name = "高职高专", Number = "2", DisplayOrder = 2 });
            //dbContext.Set<CourseCategory>().Add(new CourseCategory { Name = "大学大专", Number = "3", DisplayOrder = 3 });
            //dbContext.Set<CourseCategory>().Add(new CourseCategory { Name = "大学", Number = "4", DisplayOrder = 4 });
            //dbContext.Set<CourseCategory>().Add(new CourseCategory { Name = "研究生", Number = "5", DisplayOrder = 5 });
            //dbContext.Set<CourseCategory>().Add(new CourseCategory { Name = "成人教育", Number = "6", DisplayOrder = 6 });
            //dbContext.Set<CourseCategory>().Add(new CourseCategory { Name = "职业培训", Number = "7", DisplayOrder = 7 });
            //dbContext.SaveChanges();
            ////教学计划
            //var major1 =
            //dbContext.Set<MajorCategory>().Add(new MajorCategory
            //{
            //    Name = "计算机学院",
            //    Number = "0",
            //    Majors = new List<Major>
            //    {
            //        new Major{
            //            Name="计算机科学与技术",
            //            Plans = new List<TeachingPlan>
            //            {
            //                new TeachingPlan
            //                {
            //                    Start=DateTime.Now.Date,
            //                    Years=4,
            //                    Degree="学士",
            //                    Career="软件工程方向",
            //                    Semesters = new List<Semester>
            //                    {
            //                        new Semester
            //                        {
            //                            Name="第1学期",
            //                            Courses = new List<SemesterCourse>
            //                            {
            //                                new SemesterCourse
            //                                {
            //                                    Name="计算机应用",
            //                                    Number ="106090100",
            //                                    Category="学科基础课",
            //                                    Type="必修课",
            //                                    Score=4
            //                                }
            //                            }
            //                        }
            //                    }
            //                }
            //            }
            //        }
            //    }
            //});
            //dbContext.SaveChanges();
            ////资源类型初始化
            //var resourceTypeId1 = dbContext.Set<ResourceCategory>().Add(new ResourceCategory { Name = "文档", Number = "01", DisplayOrder = 01 }).Entity.Id;
            //dbContext.Set<ResourceCategory>().Add(new ResourceCategory { Name = "音频", Number = "01", DisplayOrder = 01 });
            //dbContext.Set<ResourceCategory>().Add(new ResourceCategory { Name = "视频", Number = "01", DisplayOrder = 01 });
            //dbContext.Set<ResourceCategory>().Add(new ResourceCategory { Name = "动画", Number = "01", DisplayOrder = 01 });
            //dbContext.Set<ResourceCategory>().Add(new ResourceCategory { Name = "虚拟仿真", Number = "01", DisplayOrder = 01 });
            ////资源分类初始化
            //dbContext.SaveChanges();
            //dbContext.Set<CourseCategory>().Add(new CourseCategory
            //{
            //    Name = "中职中专",
            //    Number = "1",
            //    DisplayOrder = 1,
            //    Children = new List<CourseCategory> {
            //        new CourseCategory
            //        {
            //            Name="公开课",
            //            Number="1",
            //            DisplayOrder=1
            //        },
            //        new CourseCategory
            //        {
            //            Name="专业课",
            //            Number="2",
            //            DisplayOrder=2,
            //            Children=new List<CourseCategory>
            //            {
            //                new CourseCategory
            //                {
            //                    Name = "信息技术类",
            //                    Number = "10609",
            //                    DisplayOrder = 106,
            //                    Children = new List<CourseCategory>
            //                    {
            //                        new CourseCategory
            //                        {
            //                            Name="计算机应用",
            //                            Number="106090100",
            //                            DisplayOrder=106010100,
            //                            Courses = new List<Course>
            //                            {
            //                                new Course
            //                                {
            //                                    Name="Java基础",
            //                                    Number="10001",
            //                                    Image="/upload/1.jpg",
            //                                    Description="本课程是以Java语言来讲授程序设计的入门知识，而非具体教授Java语言，关于Java语言的全面知识，还需要学习本课程的后续课程——“Java语言程序设计进阶”。",
            //                                    Terms = new List<Term>
            //                                    {
            //                                        new Term
            //                                        {
            //                                            Name="2018-2019学年下学期",
            //                                            Start= new DateTime(2018,9,1),
            //                                            End=new DateTime(2019,1,1),
            //                                            Lessons=new List<Lesson>
            //                                            {
            //                                                new Lesson
            //                                                {
            //                                                    Name="导论",
            //                                                    DisplayOrder=1
            //                                                },
            //                                                new Lesson
            //                                                {
            //                                                    Name="基础",
            //                                                    DisplayOrder=2
            //                                                }
            //                                            }
            //                                        }
            //                                    }
            //                                }
            //                            }
            //                        }
            //                    }
            //                }
            //            }
            //        }
            //    }
            //});
            //dbContext.SaveChanges();
            //dbContext.Set<BookCategory>().Add(new BookCategory
            //{
            //    Name = "理科教材",
            //    Number = "0000",
            //    Books = new List<Book>
            //    {
            //        new Book
            //        {
            //            Name="计算机应用基础",
            //            Number="ISBN 0000",
            //            Sections = new List<Section>
            //            {
            //                new Section
            //                {
            //                    Name="导论上",
            //                    Number="1.1"
            //                },
            //                new Section
            //                {
            //                    Name="导论下",
            //                    Number="1.2"
            //                }
            //            }
            //        }
            //    }
            //});
            //dbContext.SaveChanges();
            //dbContext.Set<Resource>().Add(new Resource
            //{
            //    CategoryId = dbContext.Set<ResourceCategory>().FirstOrDefault(o => o.Name == "视频").Id,
            //    Name = "导论",
            //    File = "/upload/1.mp4",
            //    UserId = user1Id,
            //    CourseId = dbContext.Set<Course>().FirstOrDefault(o => o.Name == "Java基础").Id,
            //    SectionId = dbContext.Set<Section>().FirstOrDefault(o => o.Name == "导论上").Id,
            //});
            //dbContext.SaveChanges();
            //dbContext.Set<LessonResource>().Add(new LessonResource
            //{
            //    Name = "视频",
            //    LessionId = dbContext.Set<Lesson>().FirstOrDefault(o => o.Name == "导论").Id,
            //    ResourceId = dbContext.Set<Resource>().FirstOrDefault(o => o.Name == "导论").Id,
            //});
            //dbContext.SaveChanges();
            //foreach (var item in dbContext.Set<CourseCategory>())
            //{
            //    item.UpdatePath();
            //}
            //dbContext.SaveChanges();
        }
    }
}