// import { BadRequestException, Injectable, Logger } from "@nestjs/common";
// import { PrismaService } from "../prisma/prisma.service";


// //THIS SERVICE IS NOT USED, RULES TO BE DETERMINED WITH MIKE/HR/ACCOUNTING
// @Injectable()
// export class AfterHoursService {
//     private readonly logger = new Logger(AfterHoursService.name);
//     private static readonly BUSINESS_START = 7;
//     private static readonly BUSINESS_END = 18;
//     private static readonly ROUND_MINUTES = 15;

//     constructor(private readonly prisma: PrismaService) {}


//     private getPreBusinessMinutes(start: Date, end: Date): number {
//         const biz_start = new Date(start);
//         biz_start.setHours(AfterHoursService.BUSINESS_START, 0,0,0);

//         if (end>= start || start >= biz_start) {
//             return 0;
//         }

//         const segment_end = end < biz_start ? end : biz_start;
//         const minutes = (segment_end.getTime() - start.getTime()) / 60000;

//         this.logger.debug(`getPreBusinessMintutes -> ${minutes.toFixed(1)}min`);
//         return minutes;

//     }

//     private getPostBusinessMinutes(start: Date, end: Date): number {
//         const biz_end = new Date(start);
//         biz_end.setHours(AfterHoursService.BUSINESS_END,0,0,0);

//         if( end <= biz_end ) {
//             return 0;
//         }

//         const segment_start = start > biz_end ? start : biz_end;
//         const minutes = (end.getTime() - segment_start.getTime()) / 60000;

//         this.logger.debug(`getPostBusinessMintutes -> ${minutes.toFixed(1)}min`);
//         return minutes;

//     }

//     private roundToNearestQUarterMinute(minutes: number): number {
//         const rounded = Math.round(minutes / AfterHoursService.ROUND_MINUTES)
//                         * AfterHoursService.ROUND_MINUTES;
//         this.logger.debug(`roundToNearestQuarterMinute -> raw=${minutes.toFixed(1)}min, rounded= ${rounded}min`);
//         return rounded;
//     }

//     public computeAfterHours(start: Date, end:Date): number {
//         if(end.getTime() <= start.getTime()) {
//             throw new BadRequestException('The end cannot be before the starting of the shift');
//         }

//         if (start.toDateString() !== end.toDateString()) {
//             throw new BadRequestException('you cannot enter a shift that start in a day and end in the next' +
//                  'You must create 2 instances, one on the first day and the second during the next day.');
//         }

//         const pre_min = this.getPreBusinessMinutes(start, end);
//         const post_min = this.getPostBusinessMinutes(start, end);
//         const raw_aftermin = pre_min + post_min;

//         const rounded_min = this.roundToNearestQUarterMinute(raw_aftermin);

//         const hours = rounded_min / 60;
//         const result = parseFloat(hours.toFixed(2));

//         this.logger.debug(`computeAfterHours -> raw_aftermin = ${raw_aftermin.toFixed(1)}min, +
//                          rounded = ${rounded_min}min, hours = ${result.toFixed(2)}`);
//         return result;
//     }
// }