import { DeviceRepository } from '@app/common/modules/device/repositories';
import { Injectable } from '@nestjs/common';
import { SqlLoaderService } from './sql-loader.service';
import { DataSource } from 'typeorm';
import { SQL_PROCEDURES_PATH } from '@app/common/constants/sql-query-path';

@Injectable()
export class OccupancyService {
  constructor(
    private readonly sqlLoader: SqlLoaderService,
    private readonly dataSource: DataSource,
    private readonly deviceRepository: DeviceRepository,
  ) {}
  async updateOccupancySensorHistoricalDurationData(
    deviceUuid: string,
  ): Promise<void> {
    try {
      const now = new Date();
      const dateStr = now.toLocaleDateString('en-CA'); // YYYY-MM-DD
      const device = await this.deviceRepository.findOne({
        where: { uuid: deviceUuid },
        relations: ['spaceDevice'],
      });

      await this.executeProcedure(
        'fact_daily_space_occupancy_duration',
        'procedure_update_daily_space_occupancy_duration',
        [dateStr, device.spaceDevice?.uuid],
      );
    } catch (err) {
      console.error('Failed to insert or update occupancy duration data:', err);
      throw err;
    }
  }
  async updateOccupancySensorHistoricalData(deviceUuid: string): Promise<void> {
    try {
      const now = new Date();
      const dateStr = now.toLocaleDateString('en-CA'); // YYYY-MM-DD
      const device = await this.deviceRepository.findOne({
        where: { uuid: deviceUuid },
        relations: ['spaceDevice'],
      });

      await this.executeProcedure(
        'fact_space_occupancy_count',
        'procedure_update_fact_space_occupancy',
        [dateStr, device.spaceDevice?.uuid],
      );
    } catch (err) {
      console.error('Failed to insert or update occupancy data:', err);
      throw err;
    }
  }

  private async executeProcedure(
    procedureFolderName: string,
    procedureFileName: string,
    params: (string | number | null)[],
  ): Promise<void> {
    const query = this.loadQuery(procedureFolderName, procedureFileName);
    await this.dataSource.query(query, params);
    console.log(`Procedure ${procedureFileName} executed successfully.`);
  }

  private loadQuery(folderName: string, fileName: string): string {
    return this.sqlLoader.loadQuery(folderName, fileName, SQL_PROCEDURES_PATH);
  }
}