feat: add bar/pie and #/% toggles to district performance chart

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/Dashboard.tsx

@@ -84,6 +84,8 @@ function Dashboard({ data, seasons, userRole, showDataLabels, setShowDataLabels,
   const [channelChartType, setChannelChartType] = useState<'bar' | 'pie'>('pie');
   const [channelDisplayMode, setChannelDisplayMode] = useState<'absolute' | 'percent'>('absolute');
   const [eventDisplayMode, setEventDisplayMode] = useState<'absolute' | 'percent'>('absolute');
+  const [districtChartType, setDistrictChartType] = useState<'bar' | 'pie'>('bar');
+  const [districtDisplayMode, setDistrictDisplayMode] = useState<'absolute' | 'percent'>('absolute');
 
   const filteredData = useMemo(() => filterData(data, filters), [data, filters]);
 
@@ -290,6 +292,16 @@ function Dashboard({ data, seasons, userRole, showDataLabels, setShowDataLabels,
     };
   }, [seasonFilteredData, includeVAT]);
 
+  const districtChartData = useMemo(() => {
+    if (districtDisplayMode === 'absolute') return districtData;
+    const total = districtData.datasets[0].data.reduce((s: number, v: number) => s + v, 0);
+    if (total === 0) return districtData;
+    return {
+      ...districtData,
+      datasets: [{ ...districtData.datasets[0], data: districtData.datasets[0].data.map((v: number) => parseFloat(((v / total) * 100).toFixed(1))) }]
+    };
+  }, [districtData, districtDisplayMode]);
+
   // Quarterly YoY
   const quarterlyYoYData = useMemo(() => {
     const revenueField = includeVAT ? 'revenue_gross' : 'revenue_net';
@@ -720,8 +732,36 @@ function Dashboard({ data, seasons, userRole, showDataLabels, setShowDataLabels,
         </div>
 
         <div className="chart-card half-width">
-          <ExportableChart filename="district-performance" title={t('dashboard.districtPerformance')} className="chart-container">
+          <ExportableChart
-            <Bar data={districtData} options={{...baseOptions, indexAxis: 'y'}} />
+            filename="district-performance"
+            title={t('dashboard.districtPerformance')}
+            className="chart-container"
+            controls={
+              <div style={{ display: 'flex', gap: '6px' }}>
+                <div className="toggle-switch">
+                  <button className={districtChartType === 'bar' ? 'active' : ''} onClick={() => setDistrictChartType('bar')}>{t('metrics.bar')}</button>
+                  <button className={districtChartType === 'pie' ? 'active' : ''} onClick={() => setDistrictChartType('pie')}>{t('metrics.pie')}</button>
+                </div>
+                <div className="toggle-switch">
+                  <button className={districtDisplayMode === 'absolute' ? 'active' : ''} onClick={() => setDistrictDisplayMode('absolute')}>#</button>
+                  <button className={districtDisplayMode === 'percent' ? 'active' : ''} onClick={() => setDistrictDisplayMode('percent')}>%</button>
+                </div>
+              </div>
+            }
+          >
+            {districtChartType === 'bar'
+              ? <Bar data={districtChartData} options={{...baseOptions, indexAxis: 'y'}} />
+              : <Pie data={districtChartData} options={{
+                  ...pieOptions,
+                  plugins: {
+                    ...pieOptions.plugins,
+                    datalabels: districtDisplayMode === 'percent'
+                      ? { display: true, color: '#fff', font: { size: 11, weight: 'bold' as const }, formatter: (v: number) => v > 3 ? v.toFixed(1) + '%' : '' }
+                      : { display: false },
+                    tooltip: { ...pieOptions.plugins.tooltip, callbacks: { label: (ctx: any) => districtDisplayMode === 'percent' ? ` ${ctx.parsed.toFixed(1)}%` : ` ${formatCurrency(ctx.parsed)}` } }
+                  }
+                }} />
+            }
           </ExportableChart>
         </div>
 
@@ -867,8 +907,30 @@ function Dashboard({ data, seasons, userRole, showDataLabels, setShowDataLabels,
               <div className="carousel-slide">
                 <div className="chart-card">
                   <h2>{t('dashboard.districtPerformance')}</h2>
+                  <div style={{ display: 'flex', gap: '6px', marginBottom: '8px' }}>
+                    <div className="toggle-switch">
+                      <button className={districtChartType === 'bar' ? 'active' : ''} onClick={() => setDistrictChartType('bar')}>{t('metrics.bar')}</button>
+                      <button className={districtChartType === 'pie' ? 'active' : ''} onClick={() => setDistrictChartType('pie')}>{t('metrics.pie')}</button>
+                    </div>
+                    <div className="toggle-switch">
+                      <button className={districtDisplayMode === 'absolute' ? 'active' : ''} onClick={() => setDistrictDisplayMode('absolute')}>#</button>
+                      <button className={districtDisplayMode === 'percent' ? 'active' : ''} onClick={() => setDistrictDisplayMode('percent')}>%</button>
+                    </div>
+                  </div>
                   <div className="chart-container">
-                    <Bar data={districtData} options={{...baseOptions, indexAxis: 'y'}} />
+                    {districtChartType === 'bar'
+                      ? <Bar data={districtChartData} options={{...baseOptions, indexAxis: 'y'}} />
+                      : <Pie data={districtChartData} options={{
+                          ...pieOptions,
+                          plugins: {
+                            ...pieOptions.plugins,
+                            datalabels: districtDisplayMode === 'percent'
+                              ? { display: true, color: '#fff', font: { size: 11, weight: 'bold' as const }, formatter: (v: number) => v > 3 ? v.toFixed(1) + '%' : '' }
+                              : { display: false },
+                            tooltip: { ...pieOptions.plugins.tooltip, callbacks: { label: (ctx: any) => districtDisplayMode === 'percent' ? ` ${ctx.parsed.toFixed(1)}%` : ` ${formatCurrency(ctx.parsed)}` } }
+                          }
+                        }} />
+                    }
                   </div>
                 </div>
               </div>