import React, { useEffect, useState } from 'react';
import { __ } from '@wordpress/i18n';
import { useNavigate } from 'react-router-dom';
import NumberFlow from '@number-flow/react';
import { pathOr } from 'ramda';

// service
import DashboardService from '../../service/dashboard-service';

// components
import { Button } from 'primereact/button';
import ChartDomandePerBando from '../../components/ChartDomandePerBando';
import ChartStatoDomande from '../../components/ChartStatoDomande';
import LatestBandiTableInstructorManagerAsync from './components/LatestBandiTableInstructorManagerAsync';
import DraftApplicationsTableAsync from '../Dashboard/components/DraftApplicationsTableAsync';
import AllDomandeTableAsync from '../Domande/components/AllDomandeTableAsync';

const REACT_APP_HUB_ID = process.env.REACT_APP_HUB_ID;

const DashboardInstructorManager = () => {
    const navigate = useNavigate();
    const [mainStats, setMainStats] = useState({});
    const [chartStats, setChartStats] = useState({});
    const [pecUsage, setPecUsage] = useState(0);

    const goToAllEvaluations = () => {
        navigate('/domande');
    }

    const getStatValue = (key, fallback = '') => {
        return pathOr(fallback, [key], mainStats);
    }

    const getStats = (data) => {
        if (data.status === 'SUCCESS') {
            setMainStats(data.data.widget1);
            setChartStats(data.data.widgetBars);
            setPecUsage(data.data.pecUsage/data.data.pecLimit * 100);
        }
    }

    const errGetStats = () => {
    }

    useEffect(() => {
        DashboardService.getAdminStats(getStats, errGetStats);
    }, []);

    return(
        <div className="appPage">
            <div className="appPage__pageHeader">
                <h1>{__('Dashboard', 'gepafin')}</h1>
            </div>

            <div className="appPage__spacer"></div>

            {REACT_APP_HUB_ID === 'p4lk3bcx1RStqTaIVVbXs' // only for GEPAFIN
                ? <div className={`appPageSection__withBorder${pecUsage > 91 ? ' danger' : ''}`}>
                    <p className="appPageSection__pMeta">
                        <span>{__('PEC inbox quota', 'gepafin')}</span>
                        <span>{<NumberFlow
                            value={pecUsage}
                            format={{ notation: 'compact' }}
                            suffix={'%'}
                            locales="it-IT"/>}</span>
                    </p>
                </div> : null}

            <div className="appPage__spacer"></div>

            <div className="appPageSection statsBigBadges">
                <h2>{__('Panoramica di Sistema', 'gepafin')}</h2>
                <div className="statsBigBadges__grid">
                    <div className="statsBigBadges__gridItem">
                        <span>{__('Bandi attivi', 'gepafin')}</span>
                        <span><NumberFlow
                            value={getStatValue('numberOfActiveCalls', 0)}
                            format={{ notation: 'compact' }}
                            locales="it-IT"/></span>
                    </div>
                    <div className="statsBigBadges__gridItem">
                        <span>{__('Utenti registrati', 'gepafin')}</span>
                        <span><NumberFlow
                            value={getStatValue('numberOfResgisteredUsers', 0)}
                            format={{ notation: 'compact' }}
                            locales="it-IT"/></span>
                    </div>
                    <div className="statsBigBadges__gridItem">
                        <span>{__('Domande in pre-istruttoria', 'gepafin')}</span>
                        <span><NumberFlow
                            value={getStatValue('numberOfSubmittedApplications', 0)}
                            format={{ notation: 'compact' }}
                            locales="it-IT"/></span>
                    </div>
                    <div className="statsBigBadges__gridItem">
                        <span>{__('Domande in bozza', 'gepafin')}</span>
                        <span><NumberFlow
                            value={getStatValue('numberOfDraftApplications', 0)}
                            format={{ notation: 'compact' }}
                            locales="it-IT"/></span>
                    </div>
                    <div className="statsBigBadges__gridItem">
                        <span>{__('Aziende', 'gepafin')}</span>
                        <span><NumberFlow
                            value={getStatValue('numberOfCompany', 0)}
                            format={{ notation: 'compact' }}
                            locales="it-IT"/></span>
                    </div>
                    <div className="statsBigBadges__gridItem">
                        <span>{__('Totale finanziamenti attivi', 'gepafin')}</span>
                        <span><NumberFlow
                            value={getStatValue('totalActiveFinancing', 0)}
                            format={{
                                notation: 'compact',
                                compactDisplay: 'short',
                                roundingMode: 'trunc',
                                style: 'currency',
                                currency: 'EUR',
                                currencyDisplay: 'symbol'
                            }}
                            locales="it-IT"/></span>
                    </div>
                </div>
            </div>

            <div className="appPage__spacer"></div>

            <div className="appPageSection">
                <h2>{__('Ultimi bandi pubblicati', 'gepafin')}</h2>
                <LatestBandiTableInstructorManagerAsync/>
            </div>

            <div className="appPage__spacer"></div>

            <div className="appPageSection">
                <h2>{__('Ultime domande pubblicate', 'gepafin')}</h2>
                <AllDomandeTableAsync/>
            </div>

            <div className="appPage__spacer"></div>

            <div className="appPageSection">
                <h2>{__('Domande in bozza', 'gepafin')}</h2>
                <DraftApplicationsTableAsync/>
            </div>

            <div className="appPage__spacer"></div>

            {chartStats.applicationPerCall
                ? <div className="appPageSection">
                    <h2>{__('Statistiche di sistema', 'gepafin')}</h2>
                    <div className="appPageSection columns">
                        <ChartDomandePerBando
                            title={__('Domande per bando', 'gepafin')}
                            data={chartStats.applicationPerCall}/>
                        <ChartStatoDomande
                            title={__('Stato domande', 'gepafin')}
                            data={chartStats.applicationPerStatus}/>
                    </div>
                </div> : null}

            <div className="appPage__spacer"></div>

            <div className="appPageSection__hr">
                <span>{__('Azioni rapide', 'gepafin')}</span>
            </div>

            <div className="appPageSection">
                <div className="appPageSection__actions">
                    <Button
                        onClick={goToAllEvaluations}
                        label={__('Tutte le domande', 'gepafin')} icon="pi pi-arrow-right" iconPos="right"/>
                </div>
            </div>
        </div>
    )
}

export default DashboardInstructorManager;