648 lines
22 KiB
TypeScript
648 lines
22 KiB
TypeScript
"use client";
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import { useState, useEffect, useMemo, useRef, useCallback } from "react";
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import type { GeofabrikFeature, GeofabrikIndex } from "@transportationer/shared";
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import { CityIngestProgress } from "@/components/city-ingest-progress";
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type Step = "browse" | "confirm" | "ingest";
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// ─── Step indicator ───────────────────────────────────────────────────────────
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function StepIndicator({ current }: { current: Step }) {
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const steps: { key: Step; label: string }[] = [
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{ key: "browse", label: "Select Region" },
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{ key: "confirm", label: "Confirm" },
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{ key: "ingest", label: "Processing" },
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];
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const idx = steps.findIndex((s) => s.key === current);
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return (
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<nav className="flex items-center gap-4 mb-8">
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{steps.map((s, i) => (
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<div key={s.key} className="flex items-center gap-2">
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<span
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className={`w-6 h-6 rounded-full text-xs flex items-center justify-center font-medium ${
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i < idx
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? "bg-brand-600 text-white"
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: i === idx
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? "bg-brand-600 text-white ring-2 ring-brand-300"
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: "bg-gray-200 text-gray-500"
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}`}
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>
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{i < idx ? "✓" : i + 1}
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</span>
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<span
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className={`text-sm font-medium ${i === idx ? "text-gray-900" : "text-gray-500"}`}
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>
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{s.label}
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</span>
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{i < steps.length - 1 && (
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<span className="text-gray-300 mx-2">→</span>
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)}
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</div>
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))}
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</nav>
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);
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}
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// ─── Geofabrik browser ────────────────────────────────────────────────────────
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function GeofabrikBrowser({
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onSelect,
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}: {
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onSelect: (f: GeofabrikFeature) => void;
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}) {
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const [index, setIndex] = useState<GeofabrikIndex | null>(null);
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const [loading, setLoading] = useState(true);
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const [error, setError] = useState<string | null>(null);
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const [query, setQuery] = useState("");
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const [parent, setParent] = useState<string | undefined>(undefined);
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useEffect(() => {
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fetch("/api/admin/geofabrik")
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.then((r) => r.json())
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.then(setIndex)
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.catch((e) => setError(String(e)))
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.finally(() => setLoading(false));
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}, []);
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const features = useMemo(() => {
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if (!index) return [];
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return index.features.filter((f) => {
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const matchesParent = parent
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? f.properties.parent === parent
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: !f.properties.parent;
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const matchesQuery = query
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? f.properties.name.toLowerCase().includes(query.toLowerCase()) ||
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f.properties.id.toLowerCase().includes(query.toLowerCase())
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: true;
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return matchesParent && matchesQuery && f.properties.urls?.pbf;
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});
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}, [index, parent, query]);
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const parentFeature = index?.features.find(
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(f) => f.properties.id === parent,
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);
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const grandParent = parentFeature
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? index?.features.find(
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(f) => f.properties.id === parentFeature.properties.parent,
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)
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: null;
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if (loading)
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return (
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<div className="card py-12 text-center text-gray-500">
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Loading Geofabrik region index…
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</div>
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);
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if (error)
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return (
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<div className="card py-8 text-center text-red-600">
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Error loading index: {error}
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</div>
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);
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return (
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<div className="card">
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<h2 className="text-lg font-semibold mb-4">Select a Region</h2>
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<div className="flex items-center gap-2 text-sm mb-4 flex-wrap">
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<button
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onClick={() => setParent(undefined)}
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className="text-brand-600 hover:underline"
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>
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All regions
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</button>
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{grandParent && (
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<>
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<span className="text-gray-400">›</span>
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<button
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onClick={() => setParent(grandParent.properties.id)}
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className="text-brand-600 hover:underline"
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>
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{grandParent.properties.name}
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</button>
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</>
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)}
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{parentFeature && (
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<>
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<span className="text-gray-400">›</span>
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<span className="font-medium">{parentFeature.properties.name}</span>
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</>
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)}
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</div>
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<input
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type="search"
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placeholder="Search regions…"
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value={query}
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onChange={(e) => setQuery(e.target.value)}
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className="block w-full rounded-md border border-gray-300 px-3 py-2 text-sm mb-4 focus:border-brand-500 focus:outline-none focus:ring-1 focus:ring-brand-500"
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/>
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<div className="divide-y divide-gray-100 max-h-80 overflow-y-auto rounded border border-gray-200">
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{features.length === 0 ? (
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<p className="text-sm text-gray-500 py-4 px-3">No regions found.</p>
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) : (
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features.map((f) => {
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const hasChildren = index!.features.some(
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(c) => c.properties.parent === f.properties.id,
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);
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return (
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<div
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key={f.properties.id}
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className="flex items-center justify-between px-3 py-2.5 hover:bg-gray-50"
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>
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<div>
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<p className="text-sm font-medium text-gray-900">
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{f.properties.name}
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</p>
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<p className="text-xs text-gray-400">{f.properties.id}</p>
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</div>
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<div className="flex gap-2">
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{hasChildren && (
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<button
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onClick={() => {
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setParent(f.properties.id);
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setQuery("");
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}}
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className="btn-secondary text-xs py-1"
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>
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Browse →
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</button>
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)}
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<button
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onClick={() => onSelect(f)}
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className="btn-primary text-xs py-1"
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>
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Select
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</button>
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</div>
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</div>
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);
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})
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)}
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</div>
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</div>
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);
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}
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// ─── Nominatim polygon geocoder + mini map ───────────────────────────────────
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interface NominatimResult {
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place_id: number;
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display_name: string;
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lat: string;
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lon: string;
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type: string;
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class: string;
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place_rank: number;
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geojson?: { type: string; coordinates: unknown };
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}
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function LocationSelector({
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regionGeometry,
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onBoundaryChange,
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}: {
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regionGeometry: GeofabrikFeature["geometry"];
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onBoundaryChange: (boundary: { type: string; coordinates: unknown } | null) => void;
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}) {
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const [query, setQuery] = useState("");
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const [results, setResults] = useState<NominatimResult[]>([]);
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const [selected, setSelected] = useState<NominatimResult | null>(null);
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const [showDropdown, setShowDropdown] = useState(false);
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const [searching, setSearching] = useState(false);
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const mapContainerRef = useRef<HTMLDivElement>(null);
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const mapRef = useRef<import("maplibre-gl").Map | null>(null);
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const mapReadyRef = useRef(false);
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const onBoundaryChangeRef = useRef(onBoundaryChange);
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onBoundaryChangeRef.current = onBoundaryChange;
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// Notify parent when selection changes
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useEffect(() => {
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onBoundaryChangeRef.current(selected?.geojson ?? null);
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}, [selected]);
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// Debounced Nominatim search — request polygon_geojson + featuretype=settlement
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useEffect(() => {
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if (query.length < 2) {
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setResults([]);
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return;
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}
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const timer = setTimeout(async () => {
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setSearching(true);
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try {
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const res = await fetch(
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`https://nominatim.openstreetmap.org/search?q=${encodeURIComponent(query)}&polygon_geojson=1&format=json&limit=8`,
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{ headers: { "User-Agent": "Transportationer/1.0 (15-minute city analyzer)" } },
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);
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const data: NominatimResult[] = await res.json();
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// Keep only results with a real polygon and place_rank >= 13.
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// Landkreise/counties are rank 12; cities/towns/municipalities are 13+.
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const polygons = data.filter(
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(r) =>
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r.place_rank >= 12 &&
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(r.geojson?.type === "Polygon" || r.geojson?.type === "MultiPolygon"),
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);
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setResults(polygons);
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setShowDropdown(true);
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} catch {
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setResults([]);
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} finally {
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setSearching(false);
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}
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}, 500);
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return () => clearTimeout(timer);
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}, [query]);
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// Apply boundary polygon to mini map
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const applyBoundaryToMap = useCallback(
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(map: import("maplibre-gl").Map, geojson: NominatimResult["geojson"] | null) => {
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const src = map.getSource("area-boundary") as any;
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if (!src) return;
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if (geojson) {
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src.setData({ type: "Feature", geometry: geojson, properties: {} });
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// Fit to boundary bbox
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try {
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const coords: number[][] =
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geojson.type === "Polygon"
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? (geojson.coordinates as number[][][])[0]
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: (geojson.coordinates as number[][][][])[0][0];
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const lngs = coords.map((c) => c[0]);
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const lats = coords.map((c) => c[1]);
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map.fitBounds(
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[Math.min(...lngs), Math.min(...lats), Math.max(...lngs), Math.max(...lats)],
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{ padding: 40, duration: 500 },
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);
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} catch { /* ignore */ }
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} else {
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src.setData({ type: "FeatureCollection", features: [] });
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}
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},
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[],
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);
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// Update mini map when selection changes
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useEffect(() => {
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const map = mapRef.current;
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if (map && mapReadyRef.current) applyBoundaryToMap(map, selected?.geojson ?? null);
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}, [selected, applyBoundaryToMap]);
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// Initialize mini map
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useEffect(() => {
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if (!mapContainerRef.current) return;
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let cancelled = false;
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(async () => {
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const mgl = await import("maplibre-gl");
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const { Protocol } = await import("pmtiles");
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if (cancelled) return;
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// Register pmtiles protocol (idempotent)
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try {
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const p = new Protocol();
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mgl.addProtocol("pmtiles", p.tile);
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} catch {
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// Already registered
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}
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const map = new mgl.Map({
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container: mapContainerRef.current!,
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style: "/tiles/style.json",
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center: [10, 51],
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zoom: 3,
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});
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mapRef.current = map;
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map.on("load", () => {
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if (cancelled) return;
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mapReadyRef.current = true;
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// Region outline (Geofabrik polygon)
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map.addSource("area-region", {
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type: "geojson",
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data: regionGeometry
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? { type: "Feature", geometry: regionGeometry, properties: {} }
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: { type: "FeatureCollection", features: [] },
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});
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map.addLayer({
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id: "area-region-fill",
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type: "fill",
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source: "area-region",
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paint: { "fill-color": "#64748b", "fill-opacity": 0.1 },
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});
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map.addLayer({
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id: "area-region-line",
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type: "line",
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source: "area-region",
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paint: { "line-color": "#64748b", "line-width": 1.5, "line-dasharray": [3, 2] },
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});
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// Selected city boundary polygon
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map.addSource("area-boundary", {
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type: "geojson",
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data: { type: "FeatureCollection", features: [] },
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});
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map.addLayer({
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id: "area-boundary-fill",
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type: "fill",
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source: "area-boundary",
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paint: { "fill-color": "#2563eb", "fill-opacity": 0.15 },
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});
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map.addLayer({
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id: "area-boundary-line",
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type: "line",
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source: "area-boundary",
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paint: { "line-color": "#2563eb", "line-width": 2 },
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});
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// Fit to region if available
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if (regionGeometry) {
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try {
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const coords: number[][] =
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regionGeometry.type === "Polygon"
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? regionGeometry.coordinates[0]
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: regionGeometry.coordinates[0][0];
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const lngs = coords.map((c) => c[0]);
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const lats = coords.map((c) => c[1]);
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map.fitBounds(
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[Math.min(...lngs), Math.min(...lats), Math.max(...lngs), Math.max(...lats)],
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{ padding: 20 },
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);
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} catch { /* ignore */ }
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}
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});
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})();
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return () => {
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cancelled = true;
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mapReadyRef.current = false;
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mapRef.current?.remove();
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mapRef.current = null;
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};
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}, []); // eslint-disable-line react-hooks/exhaustive-deps
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return (
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<div className="space-y-3">
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{/* Geocoder */}
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<div className="relative">
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<div className="flex gap-2 items-center">
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<input
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type="search"
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placeholder="Search for a city or municipality…"
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value={query}
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onChange={(e) => {
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setQuery(e.target.value);
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if (!e.target.value) { setSelected(null); setResults([]); }
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}}
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onFocus={() => results.length > 0 && setShowDropdown(true)}
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className="block w-full rounded-md border border-gray-300 px-3 py-2 text-sm focus:border-brand-500 focus:outline-none focus:ring-1 focus:ring-brand-500"
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/>
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{searching && (
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<span className="text-xs text-gray-400 whitespace-nowrap">Searching…</span>
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)}
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</div>
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{showDropdown && results.length > 0 && (
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<div className="absolute z-20 left-0 right-0 top-full mt-1 bg-white border border-gray-200 rounded-md shadow-lg max-h-56 overflow-y-auto">
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{results.map((r) => (
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<button
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key={r.place_id}
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type="button"
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onClick={() => {
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setSelected(r);
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setQuery(r.display_name.split(",").slice(0, 3).join(", "));
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setShowDropdown(false);
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}}
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className="w-full text-left px-3 py-2 text-sm hover:bg-gray-50 border-b border-gray-100 last:border-0"
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>
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<span className="font-medium text-gray-800">
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{r.display_name.split(",")[0]}
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</span>
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<span className="text-gray-400 ml-1 text-xs">
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{r.display_name.split(",").slice(1, 3).join(",")}
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</span>
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<span className="ml-2 text-xs text-blue-500">{r.geojson?.type}</span>
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</button>
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))}
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</div>
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)}
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</div>
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{/* Mini map */}
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<div
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ref={mapContainerRef}
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className="w-full rounded-md border border-gray-200 overflow-hidden"
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style={{ height: 220 }}
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/>
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{selected?.geojson && (
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<p className="text-xs text-green-700">
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✓ Boundary: {selected.display_name.split(",").slice(0, 2).join(", ")} ({selected.geojson.type})
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</p>
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)}
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{!selected && (
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<p className="text-xs text-gray-400">
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Search for a city to use its administrative boundary for stats coverage, or leave empty to use the entire dataset.
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</p>
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)}
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</div>
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);
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}
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// ─── Confirm step ─────────────────────────────────────────────────────────────
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function ConfirmStep({
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region,
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onBack,
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onConfirm,
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}: {
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region: GeofabrikFeature;
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onBack: () => void;
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onConfirm: (
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slug: string,
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name: string,
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countryCode: string,
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boundary: { type: string; coordinates: unknown } | null,
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) => Promise<void>;
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}) {
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const defaultSlug = region.properties.id.replace(/\//g, "-");
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const [slug, setSlug] = useState(defaultSlug);
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const [name, setName] = useState(region.properties.name);
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const [countryCode, setCountryCode] = useState("");
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const [boundary, setBoundary] = useState<{ type: string; coordinates: unknown } | null>(null);
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const [loading, setLoading] = useState(false);
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const handleBoundaryChange = useCallback(
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(b: { type: string; coordinates: unknown } | null) => setBoundary(b),
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[],
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);
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return (
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<div className="card max-w-2xl">
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<h2 className="text-lg font-semibold mb-4">Confirm City Details</h2>
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<div className="space-y-4">
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<div className="grid grid-cols-2 gap-4">
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<div>
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<label className="block text-sm font-medium text-gray-700 mb-1">
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Display Name
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</label>
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<input
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value={name}
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onChange={(e) => setName(e.target.value)}
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className="block w-full rounded-md border border-gray-300 px-3 py-2 text-sm focus:border-brand-500 focus:outline-none focus:ring-1 focus:ring-brand-500"
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/>
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</div>
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<div>
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<label className="block text-sm font-medium text-gray-700 mb-1">
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Slug <span className="text-gray-400">(URL identifier)</span>
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</label>
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<input
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value={slug}
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onChange={(e) =>
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setSlug(e.target.value.toLowerCase().replace(/[^a-z0-9-]/g, "-"))
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}
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className="block w-full rounded-md border border-gray-300 px-3 py-2 text-sm font-mono focus:border-brand-500 focus:outline-none focus:ring-1 focus:ring-brand-500"
|
||
/>
|
||
</div>
|
||
</div>
|
||
|
||
<div className="w-24">
|
||
<label className="block text-sm font-medium text-gray-700 mb-1">
|
||
Country Code <span className="text-gray-400">(2-letter)</span>
|
||
</label>
|
||
<input
|
||
value={countryCode}
|
||
maxLength={2}
|
||
onChange={(e) => setCountryCode(e.target.value.toUpperCase())}
|
||
className="block w-full rounded-md border border-gray-300 px-3 py-2 text-sm focus:border-brand-500 focus:outline-none focus:ring-1 focus:ring-brand-500"
|
||
placeholder="DE"
|
||
/>
|
||
</div>
|
||
|
||
{/* City boundary selector */}
|
||
<div>
|
||
<label className="block text-sm font-medium text-gray-700 mb-2">
|
||
City Boundary{" "}
|
||
<span className="text-gray-400 font-normal">(optional — for accurate coverage stats)</span>
|
||
</label>
|
||
<p className="text-xs text-gray-500 mb-3">
|
||
Search for the city municipality to use its administrative boundary for
|
||
coverage statistics. The bounding box is still used for OSM import, routing,
|
||
and grid generation.
|
||
</p>
|
||
<LocationSelector
|
||
regionGeometry={region.geometry}
|
||
onBoundaryChange={handleBoundaryChange}
|
||
/>
|
||
</div>
|
||
|
||
<div className="bg-gray-50 rounded-md p-3">
|
||
<p className="text-xs text-gray-500 font-medium mb-1">Source URL</p>
|
||
<p className="text-xs text-gray-700 break-all">
|
||
{region.properties.urls.pbf}
|
||
</p>
|
||
</div>
|
||
</div>
|
||
|
||
<div className="flex gap-3 mt-6">
|
||
<button onClick={onBack} className="btn-secondary">
|
||
Back
|
||
</button>
|
||
<button
|
||
onClick={async () => {
|
||
setLoading(true);
|
||
await onConfirm(slug, name, countryCode, boundary);
|
||
setLoading(false);
|
||
}}
|
||
disabled={loading || !slug || !name}
|
||
className="btn-primary"
|
||
>
|
||
{loading ? "Starting…" : "Start Ingestion"}
|
||
</button>
|
||
</div>
|
||
</div>
|
||
);
|
||
}
|
||
|
||
// ─── Progress step ────────────────────────────────────────────────────────────
|
||
|
||
|
||
|
||
// ─── Main page ────────────────────────────────────────────────────────────────
|
||
|
||
export default function AddCityPage() {
|
||
const [step, setStep] = useState<Step>("browse");
|
||
const [selected, setSelected] = useState<GeofabrikFeature | null>(null);
|
||
const [jobId, setJobId] = useState<string | null>(null);
|
||
const [ingestError, setIngestError] = useState<string | null>(null);
|
||
|
||
const handleConfirm = async (
|
||
slug: string,
|
||
name: string,
|
||
countryCode: string,
|
||
boundary: { type: string; coordinates: unknown } | null,
|
||
) => {
|
||
setIngestError(null);
|
||
try {
|
||
const res = await fetch("/api/admin/cities", {
|
||
method: "POST",
|
||
headers: { "Content-Type": "application/json" },
|
||
body: JSON.stringify({
|
||
slug,
|
||
name,
|
||
countryCode,
|
||
geofabrikUrl: selected!.properties.urls.pbf,
|
||
...(boundary ? { boundary } : {}),
|
||
}),
|
||
});
|
||
if (!res.ok) {
|
||
const data = await res.json();
|
||
setIngestError(data.error ?? "Failed to start ingestion");
|
||
return;
|
||
}
|
||
const data = await res.json();
|
||
setJobId(data.jobId);
|
||
setStep("ingest");
|
||
} catch (e) {
|
||
setIngestError(String(e));
|
||
}
|
||
};
|
||
|
||
return (
|
||
<div className="max-w-3xl mx-auto">
|
||
<h1 className="text-2xl font-bold text-gray-900 mb-2">Add City</h1>
|
||
<p className="text-sm text-gray-500 mb-6">
|
||
Select an OpenStreetMap region to import for 15-minute city analysis.
|
||
</p>
|
||
|
||
<StepIndicator current={step} />
|
||
|
||
{ingestError && (
|
||
<div className="mb-4 p-3 bg-red-50 rounded text-sm text-red-700">
|
||
{ingestError}
|
||
</div>
|
||
)}
|
||
|
||
{step === "browse" && (
|
||
<GeofabrikBrowser
|
||
onSelect={(f) => {
|
||
setSelected(f);
|
||
setStep("confirm");
|
||
}}
|
||
/>
|
||
)}
|
||
{step === "confirm" && selected && (
|
||
<ConfirmStep
|
||
region={selected}
|
||
onBack={() => setStep("browse")}
|
||
onConfirm={handleConfirm}
|
||
/>
|
||
)}
|
||
{step === "ingest" && <CityIngestProgress jobId={jobId} />}
|
||
</div>
|
||
);
|
||
}
|