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52 lines
1.4 KiB
52 lines
1.4 KiB
import type { MothershipAddressCandidate } from "@/lib/frontend/types";
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/** 从候选列表中按门牌号/城市/街道词打分，避免误选 Bridge 等歧义项 */
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export function pickBestMothershipCandidate(
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candidates: MothershipAddressCandidate[],
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draft: { street: string; city: string; state: string },
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): MothershipAddressCandidate | undefined {
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if (!candidates.length) {
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return undefined;
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}
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const streetNum = draft.street.match(/^\d+/)?.[0];
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const city = draft.city.trim().toLowerCase();
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const state = draft.state.trim().toLowerCase();
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const streetWords = draft.street
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.toLowerCase()
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.split(/\s+/)
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.filter((w) => w.length > 2 && !/^(st|street|ave|avenue|rd|road|blvd|dr|drive)$/i.test(w));
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let best = candidates[0]!;
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let bestScore = -1;
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for (const candidate of candidates) {
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const label = (
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candidate.display_label ||
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candidate.formatted_address ||
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""
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).toLowerCase();
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let score = 0;
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if (streetNum && label.includes(streetNum)) {
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score += 12;
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}
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if (city && label.includes(city)) {
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score += 6;
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}
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if (state && label.includes(state)) {
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score += 3;
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}
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for (const word of streetWords) {
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if (label.includes(word)) {
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score += 2;
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}
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}
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if (/\bbridge\b/.test(label) && !/\bbridge\b/i.test(draft.street)) {
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score -= 20;
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}
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if (score > bestScore) {
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bestScore = score;
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best = candidate;
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}
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}
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return best;
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}
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