import { HasPermissionGuard } from '@ghostfolio/api/guards/has-permission.guard';
import { TransformDataSourceInRequestInterceptor } from '@ghostfolio/api/interceptors/transform-data-source-in-request/transform-data-source-in-request.interceptor';
import { TransformDataSourceInResponseInterceptor } from '@ghostfolio/api/interceptors/transform-data-source-in-response/transform-data-source-in-response.interceptor';
import { ApiService } from '@ghostfolio/api/services/api/api.service';
import { getIntervalFromDateRange } from '@ghostfolio/common/calculation-helper';
import { ExportResponse } from '@ghostfolio/common/interfaces';
import type { RequestWithUser } from '@ghostfolio/common/types';

import {
  Controller,
  Get,
  Inject,
  Query,
  UseGuards,
  UseInterceptors
} from '@nestjs/common';
import { REQUEST } from '@nestjs/core';
import { AuthGuard } from '@nestjs/passport';

import { ExportService } from './export.service';
import { GetExportDto } from './get-export.dto';

@Controller('export')
export class ExportController {
  public constructor(
    private readonly apiService: ApiService,
    private readonly exportService: ExportService,
    @Inject(REQUEST) private readonly request: RequestWithUser
  ) {}

  @Get()
  @UseGuards(AuthGuard('jwt'), HasPermissionGuard)
  @UseInterceptors(TransformDataSourceInRequestInterceptor)
  @UseInterceptors(TransformDataSourceInResponseInterceptor)
  public async export(
    @Query()
    {
      accounts,
      activityIds,
      activityTypes,
      assetClasses,
      dataSource,
      range,
      symbol,
      tags
    }: GetExportDto
  ): Promise<ExportResponse> {
    let endDate: Date;
    let startDate: Date;

    if (range) {
      ({ endDate, startDate } = getIntervalFromDateRange({
        dateRange: range
      }));
    }

    const filters = this.apiService.buildFiltersFromQueryParams({
      filterByAccounts: accounts,
      filterByAssetClasses: assetClasses,
      filterByDataSource: dataSource,
      filterBySymbol: symbol,
      filterByTags: tags
    });

    return this.exportService.export({
      activityIds,
      activityTypes,
      endDate,
      filters,
      startDate,
      userId: this.request.user.id,
      userSettings: this.request.user.settings.settings
    });
  }
}