import { Injectable, ExecutionContext } from '@nestjs/common';
import { Reflector } from '@nestjs/core';
import { AuthGuard } from '@nestjs/passport';
import { Observable } from 'rxjs';
import { IS_PUBLIC_KEY } from 'src/shared/decorators/public.decorator';
import { LOG_TO_DISCORD } from 'src/shared/decorators/log-to-discord.decorator';
import { SHOULD_LOG_TO_DISCORD } from 'src/shared/modules/discord-logger/discord-logger.filter';

@Injectable()
export class UserAuthGuard extends AuthGuard('user-jwt') {
  constructor(private reflector: Reflector) {
    super();
  }

  canActivate(
    context: ExecutionContext,
  ): boolean | Promise<boolean> | Observable<boolean> {
    // Check if route should be logged to Discord
    const shouldLogToDiscord =
      this.reflector.get<boolean>(LOG_TO_DISCORD, context.getHandler()) ||
      this.reflector.get<boolean>(LOG_TO_DISCORD, context.getClass());

    // Mark the request if it should be logged
    if (shouldLogToDiscord) {
      const request = context.switchToHttp().getRequest();
      (request as any)[SHOULD_LOG_TO_DISCORD] = true;
    }

    // Check if route is public
    const isPublic = this.reflector.getAllAndOverride<boolean>(IS_PUBLIC_KEY, [
      context.getHandler(),
      context.getClass(),
    ]);

    if (isPublic) {
      return true;
    }

    return super.canActivate(context);
  }
}