import { CanActivate, ExecutionContext } from '@nestjs/common';
import { AuthenticatedUser } from '../../src/auth/interfaces/authenticated-user.interface';
import { ClientType } from '../../src/common/enums/client-type.enum';
import { InquiryType } from '../../src/common/enums/inquiry-type.enum';
import { Role } from '../../src/common/enums/role.enum';
import { AppException } from '../../src/common/exceptions/app-exception';

export function makeAuthenticatedUser(
  overrides: Partial<AuthenticatedUser> = {},
): AuthenticatedUser {
  return {
    id: 'user-1',
    username: 'admin',
    email: 'admin@example.com',
    role: Role.SUPER_ADMIN,
    clientType: ClientType.INTERNAL,
    appName: 'test-admin',
    allowedInquiries: Object.values(InquiryType),
    requestLimitPerMinute: 100,
    requestLimitPerDay: 10000,
    ...overrides,
  };
}

export function authenticatedGuard(user = makeAuthenticatedUser()): CanActivate {
  return {
    canActivate(context: ExecutionContext): boolean {
      const request = context.switchToHttp().getRequest<{ user?: AuthenticatedUser }>();
      request.user = user;
      return true;
    },
  };
}

export function bearerTokenGuard(user = makeAuthenticatedUser()): CanActivate {
  return {
    canActivate(context: ExecutionContext): boolean {
      const request = context
        .switchToHttp()
        .getRequest<{ headers: Record<string, string | undefined>; user?: AuthenticatedUser }>();
      const authorization = request.headers.authorization;

      if (!authorization) {
        throw new AppException('UNAUTHORIZED');
      }

      if (authorization === 'Bearer expired') {
        throw new AppException('UNAUTHORIZED', { message: 'jwt expired' });
      }

      request.user = user;
      return true;
    },
  };
}

export function passGuard(): CanActivate {
  return {
    canActivate(): boolean {
      return true;
    },
  };
}