import {
  Body,
  Controller,
  Post,
  Req,
  UseGuards,
  UseInterceptors,
} from '@nestjs/common';
import {
  ApiBearerAuth,
  ApiOperation,
  ApiResponse,
  ApiTags,
} from '@nestjs/swagger';
import { Throttle } from '@nestjs/throttler';
import { Request } from 'express';
import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
import { InquiryAccessGuard } from '../auth/guards/inquiry-access.guard';
import { InquiryAccess } from '../auth/decorators/inquiry-access.decorator';
import { InquiryType } from '../common/enums/inquiry-type.enum';
import { BaseInquiryResponseDto } from '../common/dto/base-inquiry-response.dto';
import { ResponseTransformInterceptor } from '../common/interceptors/response-transform.interceptor';
import { UserRateLimitGuard } from '../rate-limit/user-rate-limit.guard';
import { PersonInquiryRequestDto } from './dto/person-inquiry-request.dto';
import { PersonInquiryDataDto } from './dto/person-inquiry-data.dto';
import { PersonInquiryResponseDto } from './dto/person-inquiry-response.dto';
import { GenericInquiryResponseDto } from './dto/generic-inquiry-response.dto';
import { PostalCodeRequestDto } from './dto/postal-code-request.dto';
import { ShahkarRequestDto } from './dto/shahkar-request.dto';
import { SayahRequestDto } from './dto/sayah-request.dto';
import { InquiryService } from './inquiry.service';

/**
 * Unified inquiry endpoints — protected by JWT, inquiry RBAC, and rate limits.
 */
@ApiTags('Inquiries')
@ApiBearerAuth()
@Controller('inquiry')
@UseGuards(JwtAuthGuard, InquiryAccessGuard, UserRateLimitGuard)
@UseInterceptors(ResponseTransformInterceptor)
export class InquiryController {
  constructor(private readonly inquiryService: InquiryService) {}

  @Post('person')
  @InquiryAccess(InquiryType.PERSON)
  @Throttle({ default: { limit: 30, ttl: 60000 } })
  @ApiOperation({ summary: 'Person identity inquiry' })
  @ApiResponse({ status: 200, type: PersonInquiryResponseDto })
  @ApiResponse({ status: 401, description: 'Unauthorized' })
  @ApiResponse({ status: 403, description: 'Inquiry access denied' })
  @ApiResponse({ status: 429, description: 'Too many requests' })
  async inquirePerson(
    @Body() dto: PersonInquiryRequestDto,
    @Req() req: Request & { requestId?: string; trackingCode?: string },
  ): Promise<BaseInquiryResponseDto<PersonInquiryDataDto>> {
    const requestId = req.requestId ?? 'unknown';
    const result = await this.inquiryService.inquirePerson(dto, requestId);
    req.trackingCode = result.trackingCode;
    return result;
  }

  @Post('realEstate')
  @InquiryAccess(InquiryType.REAL_ESTATE)
  @Throttle({ default: { limit: 30, ttl: 60000 } })
  @ApiOperation({ summary: 'Real estate inquiry' })
  @ApiResponse({ status: 200, type: GenericInquiryResponseDto })
  async inquireRealEstate(
    @Body() payload: Record<string, unknown>,
    @Req() req: Request & { requestId?: string; trackingCode?: string },
  ): Promise<BaseInquiryResponseDto<Record<string, unknown>>> {
    return this.inquireGeneric(InquiryType.REAL_ESTATE, payload, req);
  }

  @Post('sheba')
  @InquiryAccess(InquiryType.SHEBA)
  @Throttle({ default: { limit: 30, ttl: 60000 } })
  @ApiOperation({ summary: 'Sheba inquiry' })
  @ApiResponse({ status: 200, type: GenericInquiryResponseDto })
  async inquireSheba(
    @Body() payload: SayahRequestDto,
    @Req() req: Request & { requestId?: string; trackingCode?: string },
  ): Promise<BaseInquiryResponseDto<Record<string, unknown>>> {
    return this.inquireGeneric(InquiryType.SHEBA, payload as unknown as Record<string, unknown>, req);
  }

  @Post('shahkar')
  @InquiryAccess(InquiryType.SHAHKAR)
  @Throttle({ default: { limit: 30, ttl: 60000 } })
  @ApiOperation({ summary: 'Shahkar inquiry' })
  @ApiResponse({ status: 200, type: GenericInquiryResponseDto })
  async inquireShahkar(
    @Body() payload: ShahkarRequestDto,
    @Req() req: Request & { requestId?: string; trackingCode?: string },
  ): Promise<BaseInquiryResponseDto<Record<string, unknown>>> {
    return this.inquireGeneric(
      InquiryType.SHAHKAR,
      payload as unknown as Record<string, unknown>,
      req,
    );
  }

  @Post('postalCode')
  @InquiryAccess(InquiryType.POSTAL_CODE)
  @Throttle({ default: { limit: 30, ttl: 60000 } })
  @ApiOperation({ summary: 'Postal code inquiry' })
  @ApiResponse({ status: 200, type: GenericInquiryResponseDto })
  async inquirePostalCode(
    @Body() payload: PostalCodeRequestDto,
    @Req() req: Request & { requestId?: string; trackingCode?: string },
  ): Promise<BaseInquiryResponseDto<Record<string, unknown>>> {
    return this.inquireGeneric(
      InquiryType.POSTAL_CODE,
      payload as unknown as Record<string, unknown>,
      req,
    );
  }

  @Post('legalPerson')
  @InquiryAccess(InquiryType.LEGAL_PERSON)
  @Throttle({ default: { limit: 30, ttl: 60000 } })
  @ApiOperation({ summary: 'Legal person inquiry' })
  @ApiResponse({ status: 200, type: GenericInquiryResponseDto })
  async inquireLegalPerson(
    @Body() payload: Record<string, unknown>,
    @Req() req: Request & { requestId?: string; trackingCode?: string },
  ): Promise<BaseInquiryResponseDto<Record<string, unknown>>> {
    return this.inquireGeneric(InquiryType.LEGAL_PERSON, payload, req);
  }

  private async inquireGeneric(
    inquiryType: InquiryType,
    payload: Record<string, unknown>,
    req: Request & { requestId?: string; trackingCode?: string },
  ): Promise<BaseInquiryResponseDto<Record<string, unknown>>> {
    const requestId = req.requestId ?? 'unknown';
    const result = await this.inquiryService.inquire(inquiryType, payload, requestId);
    req.trackingCode = result.trackingCode;
    return result;
  }
}