import { NextRequest, NextResponse } from "next/server";
import { getTranslation, getTranslations } from "@/lib/database";

// 单个翻译查询
export async function GET(request: NextRequest) {
  const { searchParams } = new URL(request.url);
  const chineseName = searchParams.get("name");

  if (!chineseName) {
    return NextResponse.json({ error: "缺少 name 参数" }, { status: 400 });
  }

  const translation = await getTranslation(chineseName);

  return NextResponse.json({
    chinese: chineseName,
    english: translation,
    found: translation !== null,
  });
}

// 批量翻译查询
export async function POST(request: NextRequest) {
  try {
    const body = await request.json();
    const { names } = body as { names: string[] };

    if (!names || !Array.isArray(names)) {
      return NextResponse.json({ error: "缺少 names 参数（数组）" }, { status: 400 });
    }

    const translations = await getTranslations(names);

    const result: Record<string, string | null> = {};
    for (const name of names) {
      result[name] = translations.get(name) || null;
    }

    return NextResponse.json({
      translations: result,
      total: names.length,
      found: translations.size,
    });
  } catch (error) {
    console.error("Translation API error:", error);
    return NextResponse.json({ error: "请求格式错误" }, { status: 400 });
  }
}