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import parksData from "@/data/kodaira-parks.json";
import osmData from "@/data/parks-geojson";
import nearbyData from "@/data/kodaira-nearby-parks.json";
import facilitiesData from "@/data/kodaira-facilities.json";
import nearbyFacilitiesData from "@/data/kodaira-nearby-facilities.json";
export type Park = Record<string, string>;
function nearbyCentroid(feature: any): [number, number] {
const g = feature.geometry;
if (g.type === "Point") return [g.coordinates[1], g.coordinates[0]];
const ring = g.type === "Polygon" ? g.coordinates[0] : g.coordinates[0][0];
if (!ring?.length) return [0, 0];
let lat = 0;
let lon = 0;
for (const [x, y] of ring) {
lon += x;
lat += y;
}
return [lat / ring.length, lon / ring.length];
}
function mapsQueryForNearby(name: string, city: string): string {
return name ? (city && !name.includes(city) ? `${city}${name}` : name) : "";
}
// 「小平市小川町2-1325」→「小川町」。公共施設の住所から町名を取り出す。
function townFromAddress(address: string): string {
const match = /^小平市(.+?)(?:\d|$)/.exec(address || "");
return match ? match[1].trim() : "";
}
// 市境500m以内の市外公園。小平市の公園と同じ表に「市外」バッジ付きで並べる。
const nearbyRows: Park[] = ((nearbyData as any).features ?? []).map((f: any) => {
const p = f.properties || {};
const [lat, lon] = nearbyCentroid(f);
const area = Math.round(Number(p.area_m2) || 0);
const name = String(p.name || "").trim();
const mapsQuery = name
? mapsQueryForNearby(name, String(p.city || ""))
: `${lat},${lon}`;
return {
"公園名": name,
"住所": p.city ? `${p.city}（市外）` : "市外",
"町名": "市外",
"面積㎡": area ? String(area) : "",
"500㎡以上": "",
"種別": "市外",
"南西部指定管理": "",
"トイレ": "",
"水飲み場": "",
"ベンチ・椅子": "",
"テーブル": "",
"パーゴラ": "",
"東屋": "",
"防災用具": "",
"ボール遊び": "",
"遊具": "",
"駐車場": "",
"その他設備": "",
"緯度": String(lat),
"経度": String(lon),
"備考": `市外・小平市境から約${Math.round(Number(p.distance_m) || 0)}m${
f.geometry?.type === "Point" ? "・範囲未取得" : ""
}`,
"設置者": "市外",
"状態": "",
"地図キー": p.key || `${p.osm_type || ""}/${p.osm_id || ""}`,
"地図URL": `https://www.google.com/maps/search/?api=1&query=${encodeURIComponent(mapsQuery)}`,
};
});
// 市内・市外の公共施設を公園一覧と同じ行形式にする。
function facilityRow(f: any, nearby: boolean): Park {
const name = String(f.name || "").trim();
const type = String(f.type || "");
const city = String(f.city || "").trim();
const address = String(f.address || city || (nearby ? "市外" : "")).trim();
const hours = f.hours ? `開館 ${f.hours}` : "";
const closed = f.closed ? `休館 ${f.closed}` : "";
const note = [type, hours, closed, f.note].filter(Boolean).join("。");
const mapsQuery = nearby ? mapsQueryForNearby(name, city) : `小平市${name}`;
const toilet = f.toilet === "○" ? "○" : "";
const water = f.water === "○" ? "○" : "";
return {
"公園名": name,
"住所": address,
"町名": nearby ? "市外" : townFromAddress(address),
"面積㎡": "",
"500㎡以上": "",
"種別": type,
"南西部指定管理": "",
"トイレ": toilet,
"水飲み場": "",
"給水": water,
"ベンチ・椅子": "",
"テーブル": "",
"パーゴラ": "",
"東屋": "",
"防災用具": "",
"ボール遊び": "",
"遊具": "",
"駐車場": "",
"その他設備": "",
"緯度": f.lat != null ? String(f.lat) : "",
"経度": f.lon != null ? String(f.lon) : "",
"備考": note,
"設置者": nearby ? "市外" : "小平市",
"状態": "",
"地図URL": `https://www.google.com/maps/search/?api=1&query=${encodeURIComponent(mapsQuery)}`,
"公式URL": String(f.source || ""),
"施設": "1",
};
}
const facilityRows: Park[] = [
...(facilitiesData as any[]).map((f) => facilityRow(f, false)),
...(nearbyFacilitiesData as any[]).map((f) => facilityRow(f, true)),
];
export const parks: Park[] = [
...(parksData as Park[]),
...nearbyRows,
...facilityRows,
];
export const total = parks.length;
export const towns = [...new Set(parks.map((p) => p["町名"]).filter(Boolean))].sort(
(a, b) => a.localeCompare(b, "ja"),
);
// OpenStreetMapにポリゴンがあり、地図から位置を表示できる公園名。
export const mappedNames = new Set<string>([
...(osmData as any).features
.map((f: any) => f.properties?.our_name)
.filter(Boolean),
...((nearbyData as any).features ?? [])
.map((f: any) => String(f.properties?.name || "").trim())
.filter(Boolean),
]);
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