import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
import { DataSource } from 'typeorm';

@Injectable()
export class InternalAppointmentChargesService {
  constructor(private readonly connection: DataSource) {}

  async findAll(staff_id: number) {
    const [existingRecord] = await this.connection.query(
      `SELECT * FROM shift_details WHERE shift_details.staff_id = ?`,
      [staff_id],
    );

    if (!existingRecord || existingRecord.length === 0) {
      throw new HttpException(
        {
          status: process.env.IDENTITY,
          message: process.env.EXISTING_RECORD,
        },
        HttpStatus.NOT_FOUND,
      );
    }

    try {
      const charges = await this.connection.query(
        `select shift_details.staff_id, charges.id charge_id, format((charges.standard_charge+(charges.standard_charge*((tax_category.percentage)/100))),2) amount from
  charges left join tax_category on charges.tax_category_id = tax_category.id 
  left join shift_details on shift_details.charge_id = charges.id
where shift_details.staff_id = ?`,
        [staff_id],
      );
      return charges;
    } catch (error) {
      throw new HttpException(
        {
          statusCode: HttpStatus.INTERNAL_SERVER_ERROR,
          message: process.env.ERROR_MESSAGE,
        },
        HttpStatus.INTERNAL_SERVER_ERROR,
      );
    }
  }
}