frontend_nyla/src/pages/billing/BillingDataView.tsx

443 lines
14 KiB
TypeScript

/**
* BillingDataView
*
* Unified billing page with internal tabs:
* - Tab "Übersicht": Balance cards + Statistics (from BillingDashboard)
* - Tab "Transaktionen": Transaction table with FormGeneratorTable
*/
import React, { useState, useEffect, useMemo, useCallback } from 'react';
import { FormGeneratorTable, ColumnConfig } from '../../components/FormGenerator/FormGeneratorTable';
import api from '../../api';
import { useBilling, type BillingBalance, type UsageReport } from '../../hooks/useBilling';
import { UserTransaction } from '../../api/billingApi';
import styles from './Billing.module.css';
// ============================================================================
// BALANCE CARD COMPONENT
// ============================================================================
interface BalanceCardProps {
balance: BillingBalance;
}
const BalanceCard: React.FC<BalanceCardProps> = ({ balance }) => {
const formatCurrency = (amount: number) => {
return new Intl.NumberFormat('de-CH', {
style: 'currency',
currency: 'CHF'
}).format(amount);
};
const getBillingModelLabel = (model: string) => {
switch (model) {
case 'PREPAY_MANDATE': return 'Prepaid (Mandant)';
case 'PREPAY_USER': return 'Prepaid (Benutzer)';
case 'CREDIT_POSTPAY': return 'Kredit';
case 'UNLIMITED': return 'Unlimited';
default: return model;
}
};
return (
<div className={`${styles.balanceCard} ${balance.isWarning ? styles.warning : ''}`}>
<div className={styles.balanceHeader}>
<h3 className={styles.mandateName}>{balance.mandateName}</h3>
<span className={styles.billingModel}>{getBillingModelLabel(balance.billingModel)}</span>
</div>
<div className={styles.balanceAmount}>
{formatCurrency(balance.balance)}
</div>
{balance.isWarning && (
<div className={styles.warningBadge}>
Niedriges Guthaben
</div>
)}
</div>
);
};
// ============================================================================
// STATISTICS CHART COMPONENT
// ============================================================================
interface StatisticsChartProps {
statistics: UsageReport | null;
loading?: boolean;
}
const StatisticsChart: React.FC<StatisticsChartProps> = ({ statistics, loading }) => {
const formatCurrency = (amount: number) => {
return new Intl.NumberFormat('de-CH', {
style: 'currency',
currency: 'CHF'
}).format(amount);
};
if (loading) {
return <div className={styles.loadingPlaceholder}>Lade Statistiken...</div>;
}
if (!statistics) {
return <div className={styles.noData}>Keine Statistiken verfügbar</div>;
}
const maxProviderCost = Math.max(...Object.values(statistics.costByProvider), 1);
return (
<div className={styles.statisticsChart}>
<div className={styles.totalCost}>
<span className={styles.totalLabel}>Gesamtkosten</span>
<span className={styles.totalAmount}>{formatCurrency(statistics.totalCost)}</span>
</div>
<div className={styles.chartSection}>
<h4>Kosten nach Anbieter</h4>
{Object.entries(statistics.costByProvider).length === 0 ? (
<div className={styles.noData}>Keine Daten</div>
) : (
<div className={styles.barChart}>
{Object.entries(statistics.costByProvider).map(([provider, cost]) => (
<div key={provider} className={styles.barRow}>
<span className={styles.barLabel}>{provider}</span>
<div className={styles.barContainer}>
<div
className={styles.bar}
style={{ width: `${(cost / maxProviderCost) * 100}%` }}
/>
</div>
<span className={styles.barValue}>{formatCurrency(cost)}</span>
</div>
))}
</div>
)}
</div>
<div className={styles.chartSection}>
<h4>Kosten nach Feature</h4>
{Object.entries(statistics.costByFeature).length === 0 ? (
<div className={styles.noData}>Keine Daten</div>
) : (
<div className={styles.featureList}>
{Object.entries(statistics.costByFeature).map(([feature, cost]) => (
<div key={feature} className={styles.featureRow}>
<span className={styles.featureLabel}>{feature}</span>
<span className={styles.featureValue}>{formatCurrency(cost)}</span>
</div>
))}
</div>
)}
</div>
</div>
);
};
// ============================================================================
// TAB NAVIGATION COMPONENT
// ============================================================================
type TabType = 'overview' | 'transactions';
interface TabNavProps {
activeTab: TabType;
onTabChange: (tab: TabType) => void;
}
const TabNav: React.FC<TabNavProps> = ({ activeTab, onTabChange }) => {
const navLinkStyle = (isActive: boolean) => ({
padding: '8px 16px',
textDecoration: 'none',
borderRadius: '4px',
backgroundColor: isActive ? 'var(--color-primary, #3b82f6)' : 'transparent',
color: isActive ? 'white' : 'var(--color-text, #e0e0e0)',
fontWeight: isActive ? 600 : 400,
cursor: 'pointer',
border: 'none',
fontSize: '14px',
});
return (
<nav style={{
display: 'flex',
gap: '8px',
marginBottom: '24px',
borderBottom: '1px solid var(--color-border, #333)',
paddingBottom: '8px'
}}>
<button
onClick={() => onTabChange('overview')}
style={navLinkStyle(activeTab === 'overview')}
>
Übersicht
</button>
<button
onClick={() => onTabChange('transactions')}
style={navLinkStyle(activeTab === 'transactions')}
>
Transaktionen
</button>
</nav>
);
};
// ============================================================================
// MAIN COMPONENT
// ============================================================================
export const BillingDataView: React.FC = () => {
const [activeTab, setActiveTab] = useState<TabType>('overview');
// Dashboard state (for Overview tab)
const {
balances,
statistics,
loading: dashboardLoading,
loadStatistics
} = useBilling();
const [selectedPeriod, setSelectedPeriod] = useState<'month' | 'year'>('month');
const [selectedYear, setSelectedYear] = useState(new Date().getFullYear());
const [selectedMonth, setSelectedMonth] = useState(new Date().getMonth() + 1);
// Transactions state (for Transactions tab)
const [transactions, setTransactions] = useState<UserTransaction[]>([]);
const [transactionsLoading, setTransactionsLoading] = useState(false);
const [transactionsError, setTransactionsError] = useState<string | null>(null);
// Load statistics when period changes
useEffect(() => {
if (selectedPeriod === 'month') {
loadStatistics('month', selectedYear);
} else {
loadStatistics('year', selectedYear);
}
}, [selectedPeriod, selectedYear, loadStatistics]);
// Load transactions
const loadTransactions = useCallback(async () => {
try {
setTransactionsLoading(true);
setTransactionsError(null);
const response = await api.get('/api/billing/view/users/transactions', {
params: { limit: 500 }
});
setTransactions(response.data || []);
} catch (err: any) {
console.error('Failed to load transactions:', err);
setTransactionsError(err.response?.data?.detail || err.message || 'Fehler beim Laden der Transaktionen');
} finally {
setTransactionsLoading(false);
}
}, []);
// Load transactions when switching to transactions tab
useEffect(() => {
if (activeTab === 'transactions' && transactions.length === 0) {
loadTransactions();
}
}, [activeTab, transactions.length, loadTransactions]);
// Available years
const availableYears = useMemo(() => {
const current = new Date().getFullYear();
return [current, current - 1, current - 2];
}, []);
// Available months
const availableMonths = [
{ value: 1, label: 'Januar' },
{ value: 2, label: 'Februar' },
{ value: 3, label: 'März' },
{ value: 4, label: 'April' },
{ value: 5, label: 'Mai' },
{ value: 6, label: 'Juni' },
{ value: 7, label: 'Juli' },
{ value: 8, label: 'August' },
{ value: 9, label: 'September' },
{ value: 10, label: 'Oktober' },
{ value: 11, label: 'November' },
{ value: 12, label: 'Dezember' },
];
// Transform transactions for table display
const tableData = useMemo(() => {
return transactions.map((t, index) => ({
_uniqueId: `${t.id}-${t.mandateId}-${index}`,
id: t.id,
createdAt: t.createdAt,
mandateId: t.mandateId,
mandateName: t.mandateName || '-',
userId: t.userId,
userName: t.userName || '-',
transactionType: t.transactionType,
description: t.description || '-',
aicoreProvider: t.aicoreProvider || '-',
featureCode: t.featureCode || '-',
amount: t.transactionType === 'DEBIT' ? -t.amount : t.amount,
}));
}, [transactions]);
// Table column definitions
const columns: ColumnConfig[] = useMemo(() => [
{
key: 'createdAt',
label: 'Datum',
type: 'datetime',
sortable: true,
width: 160,
},
{
key: 'mandateName',
label: 'Mandant',
type: 'text',
sortable: true,
filterable: true,
searchable: true,
width: 150,
},
{
key: 'userName',
label: 'Benutzer',
type: 'text',
sortable: true,
filterable: true,
searchable: true,
width: 150,
},
{
key: 'transactionType',
label: 'Typ',
type: 'text',
sortable: true,
filterable: true,
filterOptions: ['CREDIT', 'DEBIT', 'ADJUSTMENT'],
width: 100,
},
{
key: 'description',
label: 'Beschreibung',
type: 'text',
searchable: true,
width: 250,
},
{
key: 'aicoreProvider',
label: 'Anbieter',
type: 'text',
sortable: true,
filterable: true,
width: 120,
},
{
key: 'featureCode',
label: 'Feature',
type: 'text',
sortable: true,
filterable: true,
width: 120,
},
{
key: 'amount',
label: 'Betrag (CHF)',
type: 'number',
sortable: true,
width: 120,
},
], []);
return (
<div className={styles.billingDashboard}>
<header className={styles.pageHeader}>
<h1>Billing</h1>
<p className={styles.subtitle}>Guthaben, Statistiken und Transaktionen</p>
</header>
<TabNav activeTab={activeTab} onTabChange={setActiveTab} />
{/* Overview Tab */}
{activeTab === 'overview' && (
<>
{/* Balance Cards */}
<section className={styles.section}>
<h2 className={styles.sectionTitle}>Guthaben</h2>
{dashboardLoading ? (
<div className={styles.loadingPlaceholder}>Lade Guthaben...</div>
) : balances.length === 0 ? (
<div className={styles.noData}>Keine Abrechnungskonten vorhanden</div>
) : (
<div className={styles.balanceGrid}>
{balances.map((balance) => (
<BalanceCard key={balance.mandateId} balance={balance} />
))}
</div>
)}
</section>
{/* Statistics */}
<section className={styles.section}>
<div className={styles.sectionHeader}>
<h2 className={styles.sectionTitle}>Nutzungsstatistik</h2>
<div className={styles.periodSelector}>
<select
value={selectedPeriod}
onChange={(e) => setSelectedPeriod(e.target.value as 'month' | 'year')}
className={styles.select}
>
<option value="month">Monat</option>
<option value="year">Jahr</option>
</select>
<select
value={selectedYear}
onChange={(e) => setSelectedYear(Number(e.target.value))}
className={styles.select}
>
{availableYears.map((year) => (
<option key={year} value={year}>{year}</option>
))}
</select>
{selectedPeriod === 'month' && (
<select
value={selectedMonth}
onChange={(e) => setSelectedMonth(Number(e.target.value))}
className={styles.select}
>
{availableMonths.map((month) => (
<option key={month.value} value={month.value}>{month.label}</option>
))}
</select>
)}
</div>
</div>
<StatisticsChart statistics={statistics} loading={dashboardLoading} />
</section>
</>
)}
{/* Transactions Tab */}
{activeTab === 'transactions' && (
<>
{transactionsError && (
<div className={styles.errorMessage}>
{transactionsError}
</div>
)}
<FormGeneratorTable
data={tableData}
columns={columns}
loading={transactionsLoading}
pagination={true}
pageSize={25}
searchable={true}
filterable={true}
sortable={true}
idField="_uniqueId"
emptyMessage="Keine Transaktionen vorhanden"
onRefresh={loadTransactions}
/>
</>
)}
</div>
);
};
export default BillingDataView;