import { OnDestroy, OnInit } from "@angular/core";
import { MatTableDataSource } from "@angular/material/table";
import { MatPaginator } from "@angular/material/paginator";
import { MatSnackBar } from "@angular/material/snack-bar";
import { Observable, Subject } from "rxjs";
import { UntypedFormControl } from "@angular/forms";
import { MatSort } from "@angular/material/sort";
import { ReportService } from "../services/report.service";
import * as i0 from "@angular/core";
export interface ProductPerformanceI {
    _id: string;
    quantitySold: number;
    purchase: any;
    firstSold: any;
    lastSold: any;
    sales: number;
    costOfGoodsSold: number;
    grossProfit: number;
}
export declare class ProductPerformanceComponent implements OnInit, OnDestroy {
    private readonly snack;
    private readonly reportService;
    private productPerformanceFetchProgress;
    startDateFormControl: UntypedFormControl;
    endDateFormControl: UntypedFormControl;
    channelFormControl: UntypedFormControl;
    filterFormControl: UntypedFormControl;
    startDate: any;
    endDate: any;
    channel: string;
    productPerformanceReport: any;
    isLoading: boolean;
    noDataRetrieved: boolean;
    salesChannel: any;
    paginator: MatPaginator;
    sort: MatSort;
    destroyer: Subject<unknown>;
    constructor(snack: MatSnackBar, reportService: ReportService);
    hotReloadProgress: boolean;
    totalPurchase: Observable<number>;
    units: Observable<any[]>;
    productPerformanceDatasource: MatTableDataSource<ProductPerformanceI>;
    stockColumns: string[];
    ngOnInit(): void;
    private getProductReport;
    private dateRangeListener;
    exportReport(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ProductPerformanceComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ProductPerformanceComponent, "app-product-performance-report", never, { "salesChannel": "salesChannel"; }, {}, never, never, false>;
}