import test from 'node:test';
import assert from 'node:assert/strict';
import {fetchTenderDetail} from '../src/services/tenderApi.js';
test('detail loading rejects empty source, supports retry and stops on timeout/cancel',async()=>{
  const original=globalThis.fetch;
  try {
    globalThis.fetch=async()=>new Response(JSON.stringify({success:true,aciklama:''}));
    await assert.rejects(()=>fetchTenderDetail('ilan-1'),/Kaynak ilan metni alınamadı/);
    globalThis.fetch=async()=>new Response(JSON.stringify({success:true,aciklama:'Tam ilan metni'}));
    assert.equal((await fetchTenderDetail('ilan-1')).aciklama,'Tam ilan metni');
    globalThis.fetch=async()=>new Response('error',{status:503});
    await assert.rejects(()=>fetchTenderDetail('ilan-1'),/HTTP 503/);
    globalThis.fetch=async()=>Response.json({success:false,code:'SOURCE_UNAVAILABLE',retryable:true,error:'kaynak yok'},{status:502});
    await assert.rejects(()=>fetchTenderDetail('ilan-1'),/geçici olarak erişilemiyor.*yeniden deneyin/);
    globalThis.fetch=async(url,{signal})=>new Promise((resolve,reject)=>{
      if(signal.aborted) reject(new DOMException('Cancelled','AbortError'));
      else signal.addEventListener('abort',()=>reject(new DOMException('Cancelled','AbortError')),{once:true});
    });
    await assert.rejects(()=>fetchTenderDetail('ilan-1',{timeoutMs:5}),/zaman aşımı/);
    const controller=new AbortController();
    const pending=fetchTenderDetail('ilan-1',{signal:controller.signal});controller.abort();
    await assert.rejects(()=>pending,{name:'AbortError'});
  } finally { globalThis.fetch=original; }
});

test('search-only detail uses IKN endpoint and warns when official announcement is absent',async()=>{
 const original=globalThis.fetch;
 try {
  globalThis.fetch=async url=>{
   assert.equal(url,'/api/documents/ilan?ikn=2026%2F123');
   return Response.json({success:true,ikn:'2026/123',metin:'Temel ihale bilgisi',ilanSayisi:0});
  };
  const detail=await fetchTenderDetail('ekap-2026/123');
  assert.equal(detail.aciklama,'Temel ihale bilgisi');assert.match(detail.sourceWarning,/yalnız temel/);
  globalThis.fetch=async()=>Response.json({success:true,ikn:'2026/999',metin:'Farklı kaynak'});
  await assert.rejects(fetchTenderDetail('ekap-2026/123'),/İKN/);
 } finally {globalThis.fetch=original;}
});