import { Injectable } from "@nestjs/common";
import { Prisma, Timesheets } from "@prisma/client";
import { BaseApprovalService } from "src/common/shared/base-approval.service";
import { PrismaService } from "src/prisma/prisma.service";

 @Injectable()
 export class TimesheetApprovalService extends BaseApprovalService<Timesheets>{
    constructor(prisma: PrismaService){super(prisma)}
    //_____________________________________________________________________________________________
    //                                  APPROVAL AND DELEGATE METHODS
    //_____________________________________________________________________________________________
    protected get delegate() {
        return this.prisma.timesheets;
    }

    protected delegateFor(transaction: Prisma.TransactionClient) {
        return transaction.timesheets;
    }

    async updateApproval(id: number, isApproved: boolean): Promise<Timesheets> {
        return this.prisma.$transaction((transaction) => 
            this.updateApprovalWithTransaction(transaction, id, isApproved),
        );
    }

    async cascadeApprovalWithtx(transaction: Prisma.TransactionClient, timesheetId: number, isApproved: boolean): Promise<Timesheets> {
        const timesheet = await this.updateApprovalWithTransaction(transaction, timesheetId, isApproved);
        await transaction.shifts.updateMany({
            where: { timesheet_id: timesheetId },
            data: { is_approved: isApproved },
        });
        await transaction.expenses.updateManyAndReturn({
            where: { timesheet_id: timesheetId },
            data: { is_approved: isApproved },
        });
        return timesheet;
    }
 }