import {Component, OnInit, Input, AfterViewInit, ViewChild, ElementRef, ChangeDetectorRef} from '@angular/core';
import { GridsterConfig, GridType, GridsterItem } from 'angular-gridster2';
import { MatTableDataSource } from '@angular/material/table';
import { MatPaginator } from '@angular/material/paginator';
import { DashboardReportService } from './dashboard-report.service';
import { MatSort } from '@angular/material';
import { Router } from '@angular/router';
import { RunService } from '../../run.service';
import {FormControl} from '@angular/forms';
import {NgbModal} from '@ng-bootstrap/ng-bootstrap';
import {environment} from '../../../../../environments/environment';
import {DisplayHtml} from '../../../../pages/analytics/Report_List/Report/display-html';
import {ErrorModalComponent} from '../../../../modals/error-modal/error-modal.component';

export interface PeriodicElement {

}

const ELEMENT_DATA: PeriodicElement[] = [{}];

@Component({
    selector: 'app-run-dashboard-report',
    templateUrl: './run-dashboard-report.component.html',
    styleUrls: ['./run-dashboard-report.component.css']
})

export class RunDashboardReportComponent implements AfterViewInit {

    @Input('reportId') inputReportId: string;
    @Input('queryString') queryString: string;
    @Input('hitCnt') hitCnt: number;
    @Input('reportType') reportType: string;
    @Input('parentId') parentId: string;
    dataSource = new MatTableDataSource<PeriodicElement>(ELEMENT_DATA);
    @ViewChild(MatPaginator, {static: false} as any) paginator: MatPaginator;
    @ViewChild(MatSort, {static: false} as any) sort: MatSort;
    @ViewChild('iframe') iframe: ElementRef;
    options: GridsterConfig;
    dashboard: Array<GridsterItem> = [];
    displayedColumns: string[];
    IncomingReportId: string;
    displayedColumnsArr: string[];
    displayedRowObj: {}[];
    formFieldPresent: boolean;
    showSpinner: boolean;
    formFieldList: {}[];
    isReady: boolean;
    responseFormFieldListLength: number;
    NEWdisplayedColumns: string[];
    initCnt: number;
    reportName: string;
    showDashboardReport: boolean;
    checkCnt: number;
    initialQueryString: string;
    initCounter: number;
    runButtonHitCounter: number;
    showChart = false;
    displayColumValue: string;
    displayTotal: any[];
    private chartRunUrl: string;
    replaceDisplayValue: String;
saveResponseObj:any;

    constructor(private _dashboardReportService: DashboardReportService,
        private _router: Router,
        private _runService: RunService,
        private ngModal: NgbModal,
        private changeDetectorRefs: ChangeDetectorRef,
        public ngbModal: NgbModal) {
        this.initCounter = 0;
        this.runButtonHitCounter = 0;
    }

    ngOnInit() {
        this.initialQueryString = this.queryString;
        this.initCounter++;
        this.runButtonHitCounter = this.hitCnt;
        if (this.reportType === 'Chart') {
            this.showChart = true;
        }

        this.initialProcesses();
    }

    initialProcesses() {
        // this.dataSource.paginator = this.paginator;
    }

    ngOnChanges() {
        if (this.initialQueryString !== this.queryString && this.initCounter > 0 && this.runButtonHitCounter !== this.hitCnt) {
            this.initialQueryString = this.queryString;
            this.runButtonHitCounter = this.hitCnt;
            this.initialProcesses();
            this.afterViewInitProcesses();
        } else {
            this.runButtonHitCounter = this.hitCnt;
            this.initialQueryString = this.queryString;
        }
    }

    ngAfterViewInit() {
        this.afterViewInitProcesses();
    }

    afterViewInitProcesses() {
        if (this.showChart) {
            this.chartRunUrl = environment.baseUrl + 'raptor.htm?action=chart.run&c_master=' +
                this.inputReportId + this.queryString + '&refresh=Y&display_content=Y&r_page=0';
            this.iframe.nativeElement.setAttribute('src', this.chartRunUrl);
            this.showSpinner = false;
        } else {

            this.displayedColumnsArr = [];
            this.displayedRowObj = [];
            this.displayedColumns = [];
            this.formFieldList = [];
            this.showSpinner = true;
            this.isReady = false;
            this.NEWdisplayedColumns = [];
            this.displayTotal = [];
            if (localStorage.getItem(this.inputReportId)) {
                this.postFetchingReportDataFn(JSON.parse(localStorage.getItem(this.inputReportId)));
                localStorage.removeItem(this.inputReportId);
            } else {
                this._dashboardReportService.getReportDataWithFormFields(this.queryString, this.inputReportId)
                    .subscribe((response) => {
                        if (response['errormessage']){
                            this.openErrorModel(response['errormessage']);
                            this.showSpinner = false;
                            this.changeDetectorRefs.detectChanges();
                        } else {
                            this.postFetchingReportDataFn(response);
                        }
                    }, error => {
                        this.openErrorModel('Error occurred while running report: ' + this.inputReportId);
                        this.showSpinner = false;
                        this.changeDetectorRefs.detectChanges();
                    });
            }
        }
    }

    postFetchingReportDataFn(response: any){
        this.saveResponseObj = response;
        this.formFieldPresent = false;
        this.responseFormFieldListLength = 0;
        this.reportName = response['reportName'];
        let columnCntr = 0;
        this.displayedColumnsArr.push('RowNum,RowNum');
        while (response['reportDataColumns'][columnCntr]) {
            this.displayedColumnsArr.push(response['reportDataColumns'][columnCntr]['columnTitle'] + ','
                + response['reportDataColumns'][columnCntr]['colId']);
            columnCntr++;
        }
        let totalCnt = 0;
        while (response['reportTotalDataRows'][totalCnt]) {
            this.displayTotal.push(response['reportTotalDataRows'][totalCnt]);
            totalCnt++;
        }
        let rdr_cntr = 0;
        while (response['reportDataRows'][rdr_cntr]) {
            let dca_cntr = 0;
            const obj = {};
            const reportDataRows = response['reportDataRows'][rdr_cntr];
            while (this.displayedColumnsArr[dca_cntr]) {
                const rowColumnId = this.displayedColumnsArr[dca_cntr].split(',')[1];
                if (reportDataRows[rowColumnId]) {
                    let drillDownHtml = '';
                    let displayValue = '';
                    drillDownHtml = reportDataRows[rowColumnId]['drillDownURL'];
                    displayValue = reportDataRows[rowColumnId]['displayValue'];
                    if (drillDownHtml !== null &&
                        drillDownHtml.length > 0 &&
                        !displayValue.includes('linkToReport')) {
                        const value = this.convertToLinkToReport(drillDownHtml);
                        if (value.length > 0) {
                            this.replaceDisplayValue = value + ',' +
                                reportDataRows[rowColumnId]['displayValue'];
                        } else {
                            this.replaceDisplayValue = reportDataRows[rowColumnId]['displayValue'];
                        }
                    } else {
                        this.replaceDisplayValue = reportDataRows[rowColumnId]['displayValue'];
                    }
                    let displayObj: DisplayHtml = new class implements DisplayHtml {
                        'background-color': string;
                        'font-family': string;
                        'font-size': string;
                        'font-style': string;
                        'font-weight': string;
                        'text-align': string;
                        'text-decoration': string;
                        color: string;
                    };
                    if (reportDataRows[rowColumnId]['displayValueHtml'].includes('{')) {
                        displayObj = JSON.parse(reportDataRows[rowColumnId]['displayValueHtml']);
                    }
                    displayObj['text-align'] = reportDataRows[rowColumnId]['alignment'];
                    obj['RowNum'] = (rdr_cntr + 1) + '|{"text-align":"center"}';
                    if (this.replaceDisplayValue.includes('linkToReport') || this.replaceDisplayValue.includes('linkToMail')) {
                        obj[reportDataRows[rowColumnId]['colId']] = this.replaceDisplayValue.split(',').join('|')
                            + '|' + JSON.stringify(displayObj);
                    } else {
                        obj[reportDataRows[rowColumnId]['colId']] = this.replaceDisplayValue
                            + '|' + JSON.stringify(displayObj);
                    }
                }
                dca_cntr++;
            }
            this.displayedRowObj.push(obj);
            rdr_cntr++;
        }
        for (let pushCounter = 0; pushCounter < this.displayedColumnsArr.length; pushCounter++) {
            this.displayedColumns.push(this.displayedColumnsArr[pushCounter].split(',')[1]);
        }
        this.showSpinner = false;
        this.dataSource = new MatTableDataSource<PeriodicElement>(this.displayedRowObj);
        this.dataSource.sort = this.sort;
        this.changeDetectorRefs.detectChanges();
    }

    linkToReport(reportID: string, queryParameters: string) {
        localStorage.setItem(this.inputReportId, JSON.stringify(this.saveResponseObj));
        if (sessionStorage.length === 0) {
            sessionStorage.setItem('1', this.parentId + '|' + this.queryString);
        } else {
            let length = sessionStorage.length;
            length++;
            sessionStorage.setItem(length.toString(), this.parentId + '|' + this.queryString);
        }
        this._router.navigate(['v2/run', reportID, queryParameters]);
    }

    linkToMail(mailId: string) {
        const email = 'mailto:' + mailId;
        window.location.href = email;
    }

    applyFilter(filterValue: string) {
        this.dataSource.filter = filterValue.trim().toLowerCase();
    }

    setStyle(rowData: string) {
        let styles = '';
        if (rowData.split('|')[0] === 'linkToReport') {
            styles = rowData.split('|')[4];
        } else if (rowData.split('|')[0] === 'linkToMail') {
            styles = rowData.split('|')[3];
        } else {
            styles = rowData.split('|')[1];
        }
        if (styles !== undefined && styles.includes('{')) {
            return JSON.parse(styles);
        } else {
            return {};
        }
    }

    getDisplayTotal(keys: any) {
        if (this.displayTotal.length > 0) {
            return this.displayTotal[0][keys].displayValue;
        } else {
            return '';
        }
    }

    convertToLinkToReport(value: string) {
        value = value.replace(/;/g, '');
        let outPut = '';
        while (value.includes('c_master=')) {
            const index = value.indexOf('c_master=');
            if (index > 0) {
                value = value.substring(index, value.length);
            } else if (index === 0) {
                value = value.replace('c_master=', '');
            }
        }
        const split = value.split('&');
        // const spltFirst = split[0].split('=');
        if (split[1].length <= 0) {
            return outPut;
        }
        outPut = 'linkToReport,' + split[0] + ',';
        let splitCounter = 1;
        for (splitCounter = 1; splitCounter < split.length; splitCounter++) {
            if (!split[splitCounter].includes('LOGIN_ID=') &&
                !split[splitCounter].includes('display_content=') &&
                !split[splitCounter].includes('drilldown_index=') &&
                !split[splitCounter].includes('show_back_btn=') &&
                !split[splitCounter].includes('r_action')) {
                outPut = outPut + '&' + split[splitCounter];
            }
        }
        return outPut;
    }

    openErrorModel(_message: string) {
        const modalInfoRef = this.ngbModal.open(ErrorModalComponent);
        modalInfoRef.componentInstance.message = _message;
        return modalInfoRef;
    }

}