// 앱 후보별로 매칭되는 정부지원사업을 gov_opportunity 에서 조회한다.
// 실행: LD_LIBRARY_PATH=$ORACLE_IC_LIB_DIR node scripts/match.js
import { withConnection, closePool, oracledb } from '../src/db.js';

// 앱별 주제 키워드(제목/분야/대상/주관기관 대상으로 LIKE)
const APPS = {
  Tasteby: ['외식', '맛집', '음식', '푸드', '소상공인', '관광', '로컬', '지역특화', '상권', '데이터바우처', 'AI바우처', '빅데이터'],
  Lyricsy: ['콘텐츠', '한류', '케이팝', 'K-팝', '음악', '뮤직', '어학', '한국어', '에듀테크', '웹툰', '문화산업', '글로벌진출'],
  ParentsStory: ['시니어', '고령', '노인', '실버', '돌봄', '복지', '사회적가치', '사회문제', '헬스케어', '웰니스', '온디바이스', '기록'],
};

async function queryApp(conn, keywords) {
  // 키워드 OR 조건 (title/category/target/agency)
  const binds = {};
  const ors = keywords.map((kw, i) => {
    binds[`k${i}`] = `%${kw}%`;
    return `(title LIKE :k${i} OR category LIKE :k${i} OR target LIKE :k${i} OR agency LIKE :k${i})`;
  });
  const sql = `
    SELECT * FROM (
      SELECT title, category, agency, source_code, detail_url,
             apply_end,
             CASE WHEN apply_end IS NULL OR apply_end >= TRUNC(SYSDATE) THEN 1 ELSE 0 END AS is_open,
             CASE WHEN apply_end IS NULL THEN 9999 ELSE (apply_end - TRUNC(SYSDATE)) END AS dleft,
             ROW_NUMBER() OVER (PARTITION BY title ORDER BY CASE source_code WHEN 'kstartup' THEN 1 WHEN 'bizinfo' THEN 2 ELSE 3 END) rn
        FROM gov_opportunity
       WHERE ${ors.join(' OR ')}
    )
    WHERE rn = 1
    ORDER BY is_open DESC, dleft ASC
    FETCH FIRST 14 ROWS ONLY`;
  const r = await conn.execute(sql, binds, { outFormat: oracledb.OUT_FORMAT_OBJECT });
  return r.rows;
}

async function countOpen(conn, keywords) {
  const binds = {};
  const ors = keywords.map((kw, i) => {
    binds[`k${i}`] = `%${kw}%`;
    return `(title LIKE :k${i} OR category LIKE :k${i} OR target LIKE :k${i} OR agency LIKE :k${i})`;
  });
  const r = await conn.execute(
    `SELECT COUNT(DISTINCT title) total,
            COUNT(DISTINCT CASE WHEN apply_end IS NULL OR apply_end >= TRUNC(SYSDATE) THEN title END) open_now
       FROM gov_opportunity WHERE ${ors.join(' OR ')}`,
    binds,
    { outFormat: oracledb.OUT_FORMAT_OBJECT }
  );
  return r.rows[0];
}

function fmtDate(d) {
  if (!d) return '상시/별도';
  return new Date(d).toISOString().slice(0, 10);
}

await withConnection(async (conn) => {
  for (const [app, keywords] of Object.entries(APPS)) {
    const cnt = await countOpen(conn, keywords);
    console.log(`\n##### ${app} — 주제 매칭 총 ${cnt.TOTAL}건 (현재 신청가능 ${cnt.OPEN_NOW}건) #####`);
    const rows = await queryApp(conn, keywords);
    for (const r of rows) {
      const tag = r.IS_OPEN === 1 ? (r.DLEFT === 9999 ? '[상시]' : `[D-${r.DLEFT}]`) : '[마감]';
      console.log(
        `${tag}\t${r.SOURCE_CODE}\t${r.CATEGORY || '-'}\t${(r.AGENCY || '-').slice(0, 16)}\t${r.TITLE.slice(0, 50)}\t${r.DETAIL_URL || '-'}`
      );
    }
  }
});
await closePool();