import {
  Body,
  Controller,
  Delete,
  Get,
  Param,
  Patch,
  Post,
  Query,
  Req,
  UseGuards,
} from '@nestjs/common';
import { ApiBearerAuth, ApiOkResponse, ApiTags } from '@nestjs/swagger';
import { UserRole } from '@prisma/client';
import { JwtAuthGuard } from '../../common/guards/jwt-auth.guard';
import { RolesGuard } from '../../common/guards/roles.guard';
import { Roles } from '../../common/decorators/roles.decorator';
import { Permissions } from '../../common/decorators/permissions.decorator';
import { PermissionsGuard } from '../../common/guards/permissions.guard';
import { CreateReviewDto } from './dto/create-review.dto';
import { RespondReviewDto } from './dto/respond-review.dto';
import { ReviewsService } from './reviews.service';

type AuthedRequest = {
  user: { id: string; role: UserRole; shopId: string | null };
};

@ApiTags('reviews')
@ApiBearerAuth()
@Controller('reviews')
@UseGuards(JwtAuthGuard, RolesGuard, PermissionsGuard)
@Roles(UserRole.SUPERADMIN, UserRole.ADMIN, UserRole.SUBADMIN)
@Permissions('reviews')
export class ReviewsController {
  constructor(private readonly reviews: ReviewsService) {}

  @Get()
  @ApiOkResponse({
    description: 'List reviews for current shop (or shopId for SUPERADMIN)',
  })
  list(@Req() req: AuthedRequest, @Query('shopId') shopId?: string) {
    return this.reviews.list(req.user, shopId);
  }

  @Get('paged')
  @ApiOkResponse({
    description: 'Paginated list of reviews (current shop; optional filters)',
  })
  listPaged(
    @Req() req: AuthedRequest,
    @Query('page') page?: string,
    @Query('limit') limit?: string,
    @Query('q') q?: string,
    @Query('rating') rating?: string,
    @Query('googleStatus') googleStatus?: string,
    @Query('cashiStatus') cashiStatus?: string,
    @Query('source') source?: string,
    @Query('category') category?: string,
    @Query('from') from?: string,
    @Query('to') to?: string,
    @Query('shopId') shopId?: string,
  ) {
    const p = page != null ? Number(page) : null;
    const l = limit != null ? Number(limit) : null;
    const wantsPaged =
      (p != null && Number.isFinite(p)) || (l != null && Number.isFinite(l));
    const pageNum =
      p != null && Number.isFinite(p) ? Math.max(1, Math.floor(p)) : 1;
    const limitNum =
      l != null && Number.isFinite(l)
        ? Math.min(100, Math.max(1, Math.floor(l)))
        : 20;

    return this.reviews.listPaged(req.user, {
      page: wantsPaged ? pageNum : 1,
      limit: wantsPaged ? limitNum : 20,
      q: (q ?? '').toString(),
      rating: rating?.toString(),
      googleStatus: googleStatus?.toString(),
      cashiStatus: cashiStatus?.toString(),
      source: source?.toString(),
      category: category?.toString(),
      from: from?.toString(),
      to: to?.toString(),
      shopId: shopId?.toString(),
    });
  }

  @Post()
  @ApiOkResponse({ description: 'Create a Cashi review for current shop' })
  create(@Req() req: AuthedRequest, @Body() dto: CreateReviewDto) {
    return this.reviews.create(req.user, dto);
  }

  @Patch(':id/response')
  @ApiOkResponse({ description: 'Respond to a review' })
  respond(
    @Req() req: AuthedRequest,
    @Param('id') id: string,
    @Body() dto: RespondReviewDto,
  ) {
    return this.reviews.respond(req.user, id, dto.response);
  }

  @Post(':id/google/post')
  @ApiOkResponse({
    description: 'Post a review to Google (stub until integration provided)',
  })
  postToGoogle(@Req() req: AuthedRequest, @Param('id') id: string) {
    return this.reviews.postToGoogle(req.user, id);
  }

  @Post(':id/google/remove')
  @ApiOkResponse({
    description:
      'Remove a review from Google (stub until integration provided)',
  })
  removeFromGoogle(@Req() req: AuthedRequest, @Param('id') id: string) {
    return this.reviews.removeFromGoogle(req.user, id);
  }

  @Post(':id/cashi/post')
  @ApiOkResponse({ description: 'Post a review to Cashi app (make visible)' })
  postToCashi(@Req() req: AuthedRequest, @Param('id') id: string) {
    return this.reviews.postToCashi(req.user, id);
  }

  @Post(':id/cashi/remove')
  @ApiOkResponse({ description: 'Remove a review from Cashi app (hide)' })
  removeFromCashi(@Req() req: AuthedRequest, @Param('id') id: string) {
    return this.reviews.removeFromCashi(req.user, id);
  }

  @Delete(':id')
  @ApiOkResponse({ description: 'Delete a review' })
  delete(@Req() req: AuthedRequest, @Param('id') id: string) {
    return this.reviews.delete(req.user, id);
  }
}