'use strict';
const WS_URL = 'ws://127.0.0.1:18792/cdp';
const TOKEN  = '0537d84a67f2e43b525964bb43d93f6dfae1ec1b50946455';
const TARGET_URL = 'https://diaonline.supermercadosdia.com.ar/medios-de-pago-y-promociones';
const WS = require('/usr/lib/node_modules/openclaw/node_modules/ws').WebSocket ||
           require('/usr/lib/node_modules/openclaw/node_modules/ws');
const fs = require('fs');
const ws = new WS(WS_URL, { headers: { 'x-openclaw-relay-token': TOKEN } });
let _id=1, sessionId=null, started=false;
const cbs=new Map();
function send(method,params,cb){const id=_id++;const m={id,method,params:params||{}};if(sessionId)m.sessionId=sessionId;if(cb)cbs.set(id,cb);ws.send(JSON.stringify(m));}

ws.on('open',()=>{
  send('Target.getTargets',{},(res)=>{
    const t=(res.targetInfos||[]).filter(t=>t.type==='page')[0];
    send('Target.attachToTarget',{targetId:t.targetId,flatten:true},(r2)=>{
      sessionId=r2.sessionId;
      send('Page.enable');
      send('Page.navigate',{url:TARGET_URL});
    });
  });
});

ws.on('message',raw=>{
  const msg=JSON.parse(raw);
  if(msg.id&&cbs.has(msg.id)){const cb=cbs.get(msg.id);cbs.delete(msg.id);cb(msg.result||{});return;}
  if(!msg.method)return;
  if(msg.method==='Page.frameNavigated'){
    const url=msg.params&&msg.params.frame&&msg.params.frame.url;
    if(url&&url.includes('medios-de-pago')&&!started){
      started=true;
      console.log('Page navigated, waiting 8s for React...');
      setTimeout(extractAll,8000);
    }
  }
});

function extractAll(){
  // 1. Click ALL Ver Legales buttons at once
  send('Runtime.evaluate',{expression:`(function(){
    var btns=document.querySelectorAll('.diaio-custom-bank-promotions-0-x-bank-modal__button');
    [].forEach.call(btns,function(b){try{b.click();}catch(e){}});
    return btns.length+' buttons clicked';
  })()`},(res)=>{
    console.log('Clicked:', res&&res.result&&res.result.value);

    // 2. Wait 2s for React to render all modals, then extract everything
    setTimeout(()=>{
      send('Runtime.evaluate',{
        expression:`(function(){
          var ITEM = 'diaio-custom-bank-promotions-0-x-list-by-days__item';
          var items = document.querySelectorAll('.'+ITEM.split(' ')[0]);
          // Also try alternate class
          if(!items.length) items = document.querySelectorAll('[class*="list-by-days__item"]');
          var promos = [];
          [].forEach.call(items, function(item){
            var flags   = [].map.call(item.querySelectorAll('[class*="flag"]'), function(el){return el.textContent.trim();});
            var first   = item.querySelector('[class*="first-text"]');
            var second  = item.querySelector('[class*="second-text"]');
            var third   = item.querySelector('[class*="third-text"]');
            var img     = item.querySelector('img');
            var legal   = item.querySelector('[class*="bank-modal__text"]');
            var btnText = item.querySelector('[class*="bank-modal__button"]');
            promos.push({
              canal: flags.join('/'),
              descuento: first ? first.textContent.trim() : '',
              detalle: second ? second.textContent.trim() : '',
              vigencia: third ? third.textContent.trim() : '',
              imgSrc: img ? img.src : '',
              imgAlt: img ? img.alt : '',
              legal: legal ? legal.textContent.replace(/\\s+/g,' ').trim() : ''
            });
          });
          return JSON.stringify(promos);
        })()`,returnByValue:true},(res)=>{
          const raw=res&&res.result&&res.result.value;
          if(!raw){console.log('No data returned, result:',JSON.stringify(res).slice(0,200));ws.close();return;}
          let promos;
          try{promos=JSON.parse(raw);}catch(e){console.log('parse err:',raw.slice(0,200));ws.close();return;}
          console.log('\n=== DIA PROMOS (',promos.length,') ===\n');
          promos.forEach((p,i)=>{
            console.log('['+i+'] '+p.canal+' | '+p.descuento+' | '+p.detalle.slice(0,60)+' | '+p.vigencia.slice(0,40));
            if(p.imgAlt) console.log('   bank: '+p.imgAlt+' | img: '+p.imgSrc.split('/').pop());
            if(p.legal)  console.log('   LEGAL: '+p.legal.slice(0,300));
            console.log();
          });
          // Save to file
          const out={generatedAt:new Date().toISOString(),promos};
          fs.writeFileSync('/tmp/dia_promos_data.json',JSON.stringify(out,null,2));
          console.log('Saved to /tmp/dia_promos_data.json');
          ws.close();
        });
    },2500);
  });
}

ws.on('error',e=>console.error('WS err:',e.message));
ws.on('close',()=>process.exit(0));
setTimeout(()=>{console.log('Timeout');ws.close();},60000);