/* Checkout bridge only: approved commercial functions in dtf-site.html stay intact. */
(() => {
  const box = document.createElement('section');
  box.style.cssText = 'position:relative;z-index:20;background:#152026;color:#e6f4f7;padding:12px 24px;font:14px system-ui;border-bottom:2px solid #00b8da';
  box.innerHTML = '<b>Ambiente local · pagamento simulado</b> <span id="local-status" role="status"></span><div id="local-actions"></div>';
  document.body.prepend(box);
  const status = document.getElementById('local-status');
  const actions = document.getElementById('local-actions');
  let busy = false;
  let draftId = localStorage.getItem('dtf-quote');
  let requestKey = localStorage.getItem('dtf-request-key');
  let requestBody = localStorage.getItem('dtf-request-body');
  const api = async (path, body) => {
    const response = await fetch('/api'+path, {
      credentials: 'same-origin', headers: {'Content-Type':'application/json'},
      ...(body === undefined ? {} : {method:'POST', body:JSON.stringify(body)})
    });
    const data = await response.json();
    if (!response.ok) { const error=new Error(typeof data.detail === 'string' ? data.detail : 'Confira os dados do pedido ('+response.status+').');error.status=response.status;throw error; }
    return data;
  };
  const ready = api('/session');
  window.dtfSessionReady=ready;
  window.dtfApi=api;
  ready.catch(error => { status.textContent = error.message; });
  function message(text) { status.textContent = ' · '+text; }
  function button(label, handler) {
    const el = document.createElement('button');
    el.textContent = label;
    el.style.cssText = 'margin:8px 8px 0 0;padding:8px 14px;cursor:pointer';
    el.onclick = handler;
    actions.append(el);
    return el;
  }
  async function upload(file) {
    const session=await ready;
    return window.dtfUpload(file,{api,progress:message,scope:session.cart_scope});
  }
  window.dtfFreight = async () => {
    const cep = entrega.cep;
    try {
      const result = await api('/freight',{service:'mock-standard',postal_code:cep});
      if (entrega.cep !== cep || entrega.tipo !== 'frete') return;
      entrega.valor = result.total_cents/100;
      entrega.cotado = true;
      $('cepMsg').textContent = 'Frete simulado local: '+rs(entrega.valor)+'. Nenhuma transportadora foi consultada.';
      pintaEntrega();
    } catch(error) { $('cepMsg').textContent = error.message; }
  };
  window.dtfCheckout = async () => {
    if (busy) return;
    if (draftId) { await refresh(); box.scrollIntoView(); return; }
    if (!clienteOk() || !entrega.cotado) return;
    const cart = [...pedido,...(itemAtual?[itemAtual]:[])];
    if (!cart.length) return message('Adicione um item ao pedido.');
    busy = true;
    $('bPagar').disabled = true;
    try {
      await ready;
      if((await api('/session')).cart_scope !== (await ready).cart_scope) throw new Error('Sua conta ou sessão mudou. Recarregue a página antes de enviar o carrinho.');
      const items=[];
      for (const item of cart) {
        if (!item.localFiles?.length) throw new Error('Selecione novamente os arquivos deste item.');
        const uploads=[];
        for (const file of item.localFiles) uploads.push(await upload(file));
        items.push({mode:item.modo, metres:String(item.metros), grade:item.nota, uploads});
      }
      const content = {customer:{...cliente},items,freight:{service:entrega.tipo==='retira'?'pickup':'mock-standard',postal_code:entrega.tipo==='retira'?'':entrega.cep}};
      const serialized = JSON.stringify(content);
      if (!requestKey || serialized !== requestBody) {
        requestKey = crypto.randomUUID(); requestBody = serialized;
        localStorage.setItem('dtf-request-key',requestKey);
        localStorage.setItem('dtf-request-body',requestBody);
      }
      const quote = await api('/quotes',{request_key:requestKey,...content});
      draftId=quote.id; localStorage.setItem('dtf-quote',draftId);
      await refresh();
      box.scrollIntoView({behavior:'smooth'});
    } catch(error) { message(error.message); }
    finally { busy=false; pintaEntrega(); }
  };
  async function refresh() {
    if (!draftId) return;
    try {
      await ready;
      const quote=await api('/quotes/'+draftId);
      actions.replaceChildren();
      if (quote.status==='pending_review') {
        message('Arquivos enviados. No Kanban, confira metragem e nota e aprove a cotação '+draftId.slice(0,8)+'.');
      } else if (quote.status==='approved') {
        message('Total validado no servidor: '+rs(quote.approved.total_cents/100)+' · inclui frete. Cotação válida por 24 horas.');
        button('Criar pedido pago local',async event=>{
          event.target.disabled=true;
          try {
            const order=await api('/orders/dev-paid',{quote_id:draftId});
            pedido=[]; itemAtual=null; limpaPaineis();
            await window.dtfClearCart?.();
            message('Pedido local #'+order.number+' pago e disponível no Kanban.');
            await refresh();
          } catch(error) { message(error.message); event.target.disabled=false; }
        });
      } else if (quote.status==='paid') {
        message('Pedido local #'+quote.order.number+' pago · etapa: '+quote.order.state+'. Nenhuma cobrança real.');
        button('Novo pedido local',()=>{localStorage.removeItem('dtf-quote');localStorage.removeItem('dtf-request-key');localStorage.removeItem('dtf-request-body');location.reload();});
      } else {
        message('Cotação expirada. Envie o carrinho para uma nova revisão.');
        button('Nova cotação',()=>{draftId=null;requestKey=null;localStorage.removeItem('dtf-quote');localStorage.removeItem('dtf-request-key');actions.replaceChildren();});
      }
    } catch(error) {
      message(error.message);
      actions.replaceChildren();
      button('Limpar referência local e tentar de novo',()=>{draftId=null;requestKey=null;localStorage.removeItem('dtf-quote');localStorage.removeItem('dtf-request-key');actions.replaceChildren();});
    }
  }
  // Explicit refresh avoids replacing focused payment controls during interaction.
  const refreshButton = document.createElement('button');
  refreshButton.textContent='Atualizar pedido local';
  refreshButton.style.cssText='margin-left:12px;padding:6px;cursor:pointer';
  refreshButton.onclick=refresh;
  box.append(refreshButton);
  const portalLink=document.createElement('a');portalLink.href='/portal.html';portalLink.textContent='Minha conta e pedidos';
  portalLink.style.cssText='color:#e6f4f7;margin-left:16px;text-decoration:underline';box.append(portalLink);
  const quoteFromPortal=new URLSearchParams(location.search).get('quote');
  if(quoteFromPortal && /^[0-9a-f-]{36}$/.test(quoteFromPortal)){draftId=quoteFromPortal;localStorage.setItem('dtf-quote',draftId);}
  refresh();
})();