import { Inject, Injectable, Logger } from '@nestjs/common';
import {
  Pothos,
  PothosRef,
  PothosSchema,
  SchemaBuilderToken,
} from '@smatch-corp/nestjs-pothos';
import { Builder } from '../Graphql/graphql.builder';
import { PrismaService } from '../Prisma/prisma.service';
import { clerkClient } from '@clerk/express';
import { UnauthorizedException } from '@nestjs/common';
import { MailService } from '../Mail/mail.service';
@Injectable()
export class UserSchema extends PothosSchema {
  constructor(
    @Inject(SchemaBuilderToken) private readonly builder: Builder,
    private readonly prisma: PrismaService,
    private readonly mailService: MailService,
  ) {
    super();
  }

  // Types section
  @PothosRef()
  user() {
    return this.builder.prismaObject('User', {
      description: 'A user in the system.',
      fields: (t) => ({
        id: t.exposeID('id', {
          description: 'The ID of the user.',
        }),
        name: t.exposeString('name', {
          description: 'The name of the user.',
        }),
        email: t.exposeString('email', {
          description: 'The email of the user.',
        }),
        phoneNumber: t.exposeString('phoneNumber', {
          description: 'The phone number of the user.',
        }),
        bankBin: t.exposeString('bankBin', {
          description: 'The bank bin of the user.',
        }),
        bankAccountNumber: t.exposeString('bankAccountNumber', {
          description: 'The bank account number of the user.',
        }),
        role: t.exposeString('role', {
          nullable: true,
          description: 'The role of the user.',
        }),
        avatarUrl: t.exposeString('avatarUrl', {
          nullable: true,
          description: 'The avatar URL of the user.',
        }),
        createdAt: t.expose('createdAt', {
          type: 'DateTime',
          nullable: true,
          description: 'The date and time the user was created.',
        }),
        updatedAt: t.expose('updatedAt', {
          type: 'DateTime',
          nullable: true,
          description: 'The date and time the user was updated.',
        }),
        orders: t.relation('orders', {
          description: 'The orders of the user.',
        }),
        serviceFeedbacks: t.relation('serviceFeedbacks', {
          description: 'The service feedbacks of the user.',
        }),
        files: t.relation('files', {
          description: 'The files of the user.',
        }),
        sendingMessage: t.relation('sendingMessage', {
          description: 'The sending message of the user.',
        }),
        center: t.relation('center', {
          description: 'The center of the user.',
        }),
        customerChatRoom: t.relation('customerChatRoom', {
          description: 'The customer chat room of the user.',
        }),
        mentorChatRoom: t.relation('mentorChatRoom', {
          description: 'The mentor chat room of the user.',
        }),
        mentor: t.relation('mentor', {
          description: 'The mentor of the user.',
        }),
        workshopSubscription: t.relation('workshopSubscription', {
          description: 'The workshop subscription of the user.',
        }),
        adminNote: t.relation('adminNote', {
          description: 'The admin note of the user.',
        }),
      }),
    });
  }

  // Query section
  @Pothos()
  init(): void {
    this.builder.queryFields((t) => ({
      session: t.field({
        type: 'Json',
        args: {
          sessionId: t.arg({ type: 'String', required: true }),
        },
        resolve: async (_, { sessionId }) => {
          const session = await clerkClient.sessions.getSession(sessionId);
          return JSON.parse(JSON.stringify(session));
        },
      }),
      newSession: t.field({
        type: 'String',
        args: {
          userId: t.arg({
            type: 'String',
            required: true,
          }),
        },
        resolve: async (_, { userId }) => {
          const session = await clerkClient.signInTokens.createSignInToken({
            userId,
            expiresInSeconds: 60 * 60 * 24,
          });
          return session.id;
        },
      }),
      me: t.prismaField({
        description: 'Retrieve the current user by token.',
        type: this.user(),
        resolve: async (query, root, args, ctx, info) => {
          // get session id from X-Session-Id
          const sessionId = ctx.req.headers['x-session-id'];
          if (!sessionId)
            throw new UnauthorizedException({
              message: 'No session ID found',
            });
          // verify the token
          const session = await clerkClient.sessions.getSession(
            sessionId as string,
          );
          if (!session) throw new UnauthorizedException();
          const user = await this.prisma.user.findUnique({
            where: { id: session.userId },
          });
          if (!user) throw new UnauthorizedException();
          ctx.me = user;
          return user;
        },
      }),

      users: t.prismaField({
        description:
          'Retrieve a list of users with optional filtering, ordering, and pagination.',
        type: [this.user()],
        args: this.builder.generator.findManyArgs('User'),
        resolve: async (query, root, args, ctx, info) => {
          return await this.prisma.user.findMany({
            ...query,
            take: args.take ?? undefined,
            skip: args.skip ?? undefined,
            orderBy: args.orderBy ?? undefined,
            where: args.filter ?? undefined,
          });
        },
      }),

      user: t.prismaField({
        description: 'Retrieve a single user by their unique identifier.',
        type: this.user(),
        args: this.builder.generator.findUniqueArgs('User'),
        resolve: async (query, root, args, ctx, info) => {
          return await this.prisma.user.findUniqueOrThrow({
            ...query,
            where: args.where,
          });
        },
      }),
      userBySession: t.prismaField({
        description: 'Retrieve a single user by their session ID.',
        type: this.user(),
        args: {
          sessionId: t.arg({ type: 'String', required: true }),
        },
        resolve: async (query, root, args, ctx, info) => {
          // check if the token is valid
          const session = await clerkClient.sessions.getSession(args.sessionId);
          Logger.log(session, 'Session');
          return await this.prisma.user.findFirstOrThrow({
            ...query,
            where: {
              id: session.userId,
            },
          });
        },
      }),
    }));

    // Mutation section
    this.builder.mutationFields((t) => ({
      updateUser: t.prismaField({
        description: 'Update an existing user.',
        type: this.user(),
        args: {
          input: t.arg({
            type: this.builder.generator.getUpdateInput('User'),
            required: true,
          }),
          where: t.arg({
            type: this.builder.generator.getWhereUnique('User'),
            required: true,
          }),
        },
        resolve: async (query, root, args, ctx, info) => {
          return await this.prisma.user.update({
            ...query,
            where: args.where,
            data: args.input,
          });
        },
      }),

      // banUser: t.prismaField({
      //   description: 'Ban a user.',
      //   type: this.user(),
      //   args: {
      //     userId: t.arg({ type: 'String', required: true }),
      //   },
      //   resolve: async (query, root, args, ctx, info) => {
      //     return await this.prisma.user.update({
      //       ...query,
      //       where: { id: args.userId },
      //       data: { banned: true },
      //     });
      //   },
      // }),

      sendEmailTest: t.field({
        type: 'String',
        args: {
          to: t.arg({ type: 'String', required: true }),
        },
        resolve: async (_parent, args, _context, _info) => {
          await this.mailService.sendTemplateEmail(
            args.to,
            'Bạn đã được mời làm việc tại Trung tâm băng đĩa lậu hải ngoại',
            'MentorInvitation',
            {
              center_name: 'băng đĩa lậu hải ngoại',
              invite_url: 'https://epess.org',
            },
          );
          return 'Email sent';
        },
      }),
    }));
  }
}