perfect-postcode/frontend/src/components/map/AreaPane.tsx
2026-02-07 22:19:44 +00:00

473 lines
21 KiB
TypeScript

import { useMemo, useState } from 'react';
import type { FeatureFilters, FeatureMeta, HexagonStatsResponse, PostcodeFeature } from '../../types';
import type { HexagonLocation } from '../../lib/external-search';
import { formatValue, formatFilterValue, calculateHistogramMean } from '../../lib/format';
import { groupFeaturesByCategory } from '../../lib/features';
import { STACKED_GROUPS, STACKED_ENUM_GROUPS } from '../../lib/consts';
import { DualHistogram, LoadingSkeleton } from './DualHistogram';
import EnumBarChart from './EnumBarChart';
import StackedBarChart from './StackedBarChart';
import StackedEnumChart from './StackedEnumChart';
import PriceHistoryChart from './PriceHistoryChart';
import ExternalSearchLinks from './ExternalSearchLinks';
import { InfoIcon, CloseIcon } from '../ui/icons';
import { CollapsibleGroupHeader } from '../ui/CollapsibleGroupHeader';
import { LightbulbIcon } from '../ui/icons/LightbulbIcon';
import { IconButton } from '../ui/IconButton';
import { FeatureInfoPopup } from '../ui/FeatureInfoPopup';
import { EmptyState } from '../ui/EmptyState';
import { FeatureLabel } from '../ui/FeatureLabel';
interface AreaPaneProps {
stats: HexagonStatsResponse | null;
globalFeatures: FeatureMeta[];
loading: boolean;
hexagonId: string | null;
isPostcode?: boolean;
postcodeData?: PostcodeFeature | null;
onViewProperties: () => void;
onClose: () => void;
hexagonLocation: HexagonLocation | null;
filters: FeatureFilters;
onNavigateToSource?: (slug: string, featureName: string) => void;
aiSummary?: string;
aiSummaryLoading?: boolean;
aiSummaryError?: string | null;
onRetryAiSummary?: () => void;
}
export default function AreaPane({
stats,
globalFeatures,
loading,
hexagonId,
isPostcode = false,
postcodeData,
onViewProperties,
onClose,
hexagonLocation,
filters,
onNavigateToSource,
aiSummary,
aiSummaryLoading,
aiSummaryError,
onRetryAiSummary,
}: AreaPaneProps) {
// For postcodes, use local data for count
const propertyCount = isPostcode && postcodeData ? postcodeData.properties.count : stats?.count;
const featureGroups = useMemo(() => groupFeaturesByCategory(globalFeatures), [globalFeatures]);
const [infoFeature, setInfoFeature] = useState<FeatureMeta | null>(null);
const [collapsedGroups, setCollapsedGroups] = useState<Set<string>>(new Set());
const toggleGroup = (name: string) =>
setCollapsedGroups((prev) => {
const next = new Set(prev);
if (next.has(name)) next.delete(name);
else next.add(name);
return next;
});
const numericByName = useMemo(() => {
if (!stats) return new Map();
return new Map(stats.numeric_features.map((feature) => [feature.name, feature]));
}, [stats]);
const enumByName = useMemo(() => {
if (!stats) return new Map();
return new Map(stats.enum_features.map((feature) => [feature.name, feature]));
}, [stats]);
const globalFeatureByName = useMemo(
() => new Map(globalFeatures.map((f) => [f.name, f])),
[globalFeatures]
);
if (!hexagonId) {
return (
<EmptyState
icon={<InfoIcon className="w-8 h-8 text-warm-300 dark:text-warm-600" />}
title="No area selected"
description="Click a hexagon or postcode to view area statistics"
centered
/>
);
}
return (
<div className="flex flex-col h-full">
<div className="p-3 border-b border-warm-200 dark:border-navy-700">
<div className="flex justify-between items-center">
<div className="flex items-center gap-2">
<div>
<h2 className="text-sm font-semibold dark:text-warm-100">
{isPostcode ? hexagonId : 'Area Statistics'}
</h2>
{isPostcode && (
<span className="text-xs text-warm-500 dark:text-warm-400">Postcode</span>
)}
</div>
{loading && stats && (
<div className="w-3 h-3 border-2 border-teal-600 dark:border-teal-400 border-t-transparent rounded-full animate-spin" />
)}
</div>
<IconButton onClick={onClose} title="Close">
<CloseIcon />
</IconButton>
</div>
{propertyCount != null && (
<p className="text-sm text-warm-600 dark:text-warm-400 mt-1">
{propertyCount.toLocaleString()} properties
</p>
)}
{!isPostcode && stats && (
<button
onClick={onViewProperties}
className="mt-2 w-full text-sm py-1.5 rounded bg-teal-600 hover:bg-teal-700 text-white font-medium"
>
View {stats.count.toLocaleString()} Properties
</button>
)}
</div>
{hexagonLocation && stats && (
<ExternalSearchLinks location={hexagonLocation} filters={filters} />
)}
{/* AI Summary Card */}
{(aiSummary || aiSummaryLoading || aiSummaryError) && (
<div className="px-3 pt-3 pb-1">
<div className="bg-teal-50 dark:bg-teal-900/20 border border-teal-200 dark:border-teal-800/50 rounded p-2.5">
<div className="flex items-center gap-1.5 mb-1.5">
<LightbulbIcon className="w-3.5 h-3.5 text-teal-600 dark:text-teal-400" />
<span className="text-xs font-semibold text-teal-700 dark:text-teal-400">AI Summary</span>
</div>
{aiSummaryError ? (
<div className="text-xs text-warm-600 dark:text-warm-400">
<span>Failed to generate summary. </span>
{onRetryAiSummary && (
<button
onClick={onRetryAiSummary}
className="text-teal-600 dark:text-teal-400 hover:text-teal-800 dark:hover:text-teal-300 underline"
>
Retry
</button>
)}
</div>
) : aiSummaryLoading ? (
<div className="space-y-1.5">
<div className="h-3 bg-teal-200/60 dark:bg-teal-800/40 rounded animate-pulse w-full" />
<div className="h-3 bg-teal-200/60 dark:bg-teal-800/40 rounded animate-pulse w-4/5" />
</div>
) : (
<p className="text-xs text-warm-700 dark:text-warm-300 leading-relaxed">
{aiSummary}
</p>
)}
</div>
</div>
)}
<div className="flex-1 overflow-y-auto">
{loading && !stats ? (
<LoadingSkeleton />
) : stats ? (
<div>
{/* Histogram color legend */}
<div className="mx-3 mt-3 bg-teal-50 dark:bg-teal-900/20 border border-teal-200 dark:border-teal-800/50 rounded p-2.5 text-xs">
<div className="space-y-1.5">
<div className="flex items-center gap-2">
<div className="w-3 h-3 bg-teal-500 dark:bg-teal-400 rounded" />
<span className="text-warm-700 dark:text-warm-300">
<span className="font-medium text-warm-900 dark:text-warm-100">Teal bars</span> show the distribution in this selected area
</span>
</div>
<div className="flex items-center gap-2">
<div className="w-3 h-3 bg-warm-300/60 dark:bg-warm-600/60 rounded" />
<span className="text-warm-700 dark:text-warm-300">
<span className="font-medium text-warm-900 dark:text-warm-100">Gray bars</span> show the overall distribution across all areas
</span>
</div>
<div className="flex items-center gap-2">
<div className="w-3 h-px border-t border-dashed border-warm-500 dark:border-warm-400" />
<span className="text-warm-700 dark:text-warm-300">
<span className="font-medium text-warm-900 dark:text-warm-100">Dashed line</span> indicates the global average
</span>
</div>
</div>
</div>
{featureGroups.map((group) => {
const hasData = group.features.some(
(feature) => numericByName.has(feature.name) || enumByName.has(feature.name)
);
if (!hasData) return null;
const stackedCharts = STACKED_GROUPS[group.name];
const stackedEnumCharts = STACKED_ENUM_GROUPS[group.name];
// Features that are part of a stacked enum config (rendered as compact charts)
const stackedEnumFeatureNames = new Set(
stackedEnumCharts?.flatMap((c) =>
[c.feature, ...c.components].filter(Boolean)
) as string[] ?? []
);
const isExpanded = !collapsedGroups.has(group.name);
return (
<div key={group.name}>
<CollapsibleGroupHeader
name={group.name}
expanded={isExpanded}
onToggle={() => toggleGroup(group.name)}
className="px-3 py-1.5 text-xs font-bold text-warm-500 bg-warm-50 dark:bg-warm-900 dark:text-warm-400 sticky top-0 hover:bg-warm-100 dark:hover:bg-warm-800"
/>
{isExpanded && <div className="px-3 py-2 space-y-3">
{/* Price History in Property group */}
{group.name === 'Property' && stats.price_history && (() => {
// Only show chart if there are at least 2 unique years
const uniqueYears = new Set(stats.price_history.map(p => Math.floor(p.year)));
return uniqueYears.size > 1;
})() && (
<div className="bg-warm-50 dark:bg-warm-800 rounded p-2">
<span className="text-xs text-warm-700 dark:text-warm-300">Price History</span>
<PriceHistoryChart points={stats.price_history} />
</div>
)}
{stackedCharts
? // Render stacked charts for this group
stackedCharts.map((chart) => {
const segments = chart.components
.map((name) => ({
name,
value: numericByName.get(name)?.mean ?? 0,
}))
.filter((s) => s.value > 0);
// Use aggregate feature stats if available, otherwise sum components
const aggregateStats = chart.feature
? numericByName.get(chart.feature)
: undefined;
const total = aggregateStats
? aggregateStats.mean
: segments.reduce((sum, s) => sum + s.value, 0);
const featureMeta = chart.feature
? globalFeatureByName.get(chart.feature)
: undefined;
if (total === 0) return null;
return (
<div
key={chart.label}
className="bg-warm-50 dark:bg-warm-800 rounded p-2"
>
<div className="flex justify-between items-baseline mb-1.5">
{featureMeta ? (
<FeatureLabel
feature={{ ...featureMeta, name: chart.label }}
onShowInfo={setInfoFeature}
className="mr-2"
/>
) : (
<span className="text-xs text-warm-700 dark:text-warm-300 truncate mr-2">
{chart.label}
</span>
)}
<span className="text-xs font-semibold text-teal-700 dark:text-teal-400 whitespace-nowrap">
{formatValue(total)}
{chart.unit ? ` ${chart.unit}` : ''}
</span>
</div>
<StackedBarChart segments={segments} total={total} />
</div>
);
})
: // Default: render each feature individually (skip stacked enum features)
group.features
.filter((f) => !stackedEnumFeatureNames.has(f.name))
.map((feature) => {
const numericStats = numericByName.get(feature.name);
const enumStats = enumByName.get(feature.name);
if (numericStats) {
const globalFeature = globalFeatureByName.get(feature.name);
const globalHistogram = globalFeature?.histogram;
const globalMean = globalHistogram
? calculateHistogramMean(globalHistogram)
: undefined;
return (
<div
key={feature.name}
className="bg-warm-50 dark:bg-warm-800 rounded p-2"
>
<div className="flex justify-between items-baseline">
<FeatureLabel
feature={feature}
onShowInfo={setInfoFeature}
className="mr-2"
/>
<span className="text-xs font-semibold text-teal-700 dark:text-teal-400 whitespace-nowrap">
{formatValue(numericStats.mean, feature)}
</span>
</div>
{numericStats.histogram && (
globalHistogram ? (
<DualHistogram
localCounts={numericStats.histogram.counts}
globalCounts={globalHistogram.counts}
p1={numericStats.histogram.p1}
p99={numericStats.histogram.p99}
globalMean={globalMean}
formatLabel={formatFilterValue}
/>
) : (
<DualHistogram
localCounts={numericStats.histogram.counts}
globalCounts={numericStats.histogram.counts}
p1={numericStats.histogram.p1}
p99={numericStats.histogram.p99}
formatLabel={formatFilterValue}
/>
)
)}
</div>
);
}
if (enumStats) {
return (
<div
key={feature.name}
className="bg-warm-50 dark:bg-warm-800 rounded p-2"
>
<FeatureLabel feature={feature} onShowInfo={setInfoFeature} />
<EnumBarChart counts={enumStats.counts} />
</div>
);
}
return null;
})}
{/* Stacked enum charts */}
{stackedEnumCharts?.map((chart) => {
const featureMeta = chart.feature
? globalFeatureByName.get(chart.feature)
: undefined;
// Single component: render as a stacked bar (like crime charts)
if (chart.components.length === 1) {
const stats = enumByName.get(chart.components[0]);
if (!stats) return null;
const segments = chart.valueOrder
.map((value) => ({ name: value, value: stats.counts[value] ?? 0 }))
.filter((s) => s.value > 0);
const total = segments.reduce((sum, s) => sum + s.value, 0);
if (total === 0) return null;
return (
<div
key={chart.label}
className="bg-warm-50 dark:bg-warm-800 rounded p-2"
>
<div className="flex justify-between items-baseline mb-1.5">
{featureMeta ? (
<FeatureLabel
feature={featureMeta}
onShowInfo={setInfoFeature}
className="mr-2"
/>
) : (
<span className="text-xs text-warm-700 dark:text-warm-300 truncate mr-2">
{chart.label}
</span>
)}
<span className="text-xs font-semibold text-teal-700 dark:text-teal-400 whitespace-nowrap">
{total.toLocaleString()}
</span>
</div>
<StackedBarChart
segments={segments}
total={total}
colorMap={Object.fromEntries(
chart.valueOrder.map((v, i) => [v, chart.valueColors[i]])
)}
/>
</div>
);
}
// Multi-component: render as compact multi-row chart (like risk features)
const components = chart.components
.map((name) => {
const stats = enumByName.get(name);
return stats ? { label: name, stats } : null;
})
.filter((c): c is NonNullable<typeof c> => c !== null);
if (components.length === 0) return null;
return (
<div
key={chart.label}
className="bg-warm-50 dark:bg-warm-800 rounded p-2"
>
<div className="mb-1.5">
{featureMeta ? (
<FeatureLabel
feature={{ ...featureMeta, name: chart.label }}
onShowInfo={setInfoFeature}
/>
) : (
<span className="text-xs text-warm-700 dark:text-warm-300">
{chart.label}
</span>
)}
</div>
<StackedEnumChart
components={components}
valueOrder={chart.valueOrder}
valueColors={chart.valueColors}
/>
</div>
);
})}
</div>}
</div>
);
})}
{/* Google Street View */}
{hexagonLocation && (
<div>
<div className="px-3 py-1.5 text-xs font-bold text-warm-500 bg-warm-50 dark:bg-warm-900 dark:text-warm-400 sticky top-0">
Street View
</div>
<div className="px-3 py-2">
<div className="rounded overflow-hidden border border-warm-200 dark:border-warm-700">
<iframe
className="w-full"
style={{ height: 240, border: 0 }}
loading="lazy"
referrerPolicy="no-referrer-when-downgrade"
src={`https://maps.google.com/maps?layer=c&cbll=${hexagonLocation.lat},${hexagonLocation.lon}&cbp=11,0,0,0,0&output=svembed`}
/>
</div>
</div>
</div>
)}
</div>
) : null}
</div>
{infoFeature && (
<FeatureInfoPopup
feature={infoFeature}
onClose={() => setInfoFeature(null)}
onNavigateToSource={onNavigateToSource}
/>
)}
</div>
);
}