import { Inject, Injectable } 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';
@Injectable()
export class UserSchema extends PothosSchema {
  constructor(
    @Inject(SchemaBuilderToken) private readonly builder: Builder,
    private readonly prisma: PrismaService,
  ) {
    super();
  }

  // Types section
  @PothosRef()
  user() {
    return this.builder.prismaObject('User', {
      description: 'A user in the system.',
      fields: (t) => ({
        id: t.exposeID('id'),
        name: t.exposeString('name'),
        email: t.exposeString('email'),
        phoneNumber: t.exposeString('phoneNumber'),
        oauthToken: t.exposeString('oauthToken', { nullable: true }),
        role: t.exposeString('role'),
        createdAt: t.expose('createdAt', { type: 'DateTime' }),
        updatedAt: t.expose('updatedAt', { type: 'DateTime' }),
        center: t.relation('center'),
      }),
    });
  }

  // Query section
  @Pothos()
  init(): void {
    this.builder.queryFields((t) => ({
      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 ?? 10,
            skip: args.skip ?? 0,
            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.findUnique({
            ...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);
          console.log(session);
          return await this.prisma.user.findFirst({
            ...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,
          });
        },
      }),
    }));
  }
}