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/* Sahkey Imóveis — camada de acesso à API e helpers de formatação */

const API_BASE = "/api/anuncios";
const WHATSAPP_NUMERO = "5541998112201"; // Sahkey — atendimento central (demo)

function apiUrl(path, params = {}) {
  const url = new URL(API_BASE + path, window.location.origin);
  Object.entries(params).forEach(([k, v]) => {
    if (v !== null && v !== undefined && v !== "") url.searchParams.set(k, v);
  });
  return url.toString();
}

async function apiGet(path, params = {}) {
  const res = await fetch(apiUrl(path, params));
  if (!res.ok) {
    const detalhe = await res.json().catch(() => ({}));
    throw new Error(detalhe.detail || `Erro ${res.status} ao consultar a API`);
  }
  return res.json();
}

async function apiSend(method, path, body) {
  const res = await fetch(API_BASE + path, {
    method,
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify(body),
  });
  if (!res.ok) {
    const detalhe = await res.json().catch(() => ({}));
    throw new Error(detalhe.detail ? JSON.stringify(detalhe.detail) : `Erro ${res.status}`);
  }
  return method === "DELETE" ? null : res.json();
}

function formatMoney(valor, tipoNegocio) {
  const n = Number(valor) || 0;
  const formatted = n.toLocaleString("pt-BR", { style: "currency", currency: "BRL", maximumFractionDigits: 0 });
  if (tipoNegocio === "Locação") return `${formatted}<small> /mês</small>`;
  return formatted;
}

function escapeHtml(str) {
  const div = document.createElement("div");
  div.textContent = str ?? "";
  return div.innerHTML;
}

function statusClass(status) {
  const map = {
    "Disponível": "status-disponivel",
    "Reservado": "status-reservado",
    "Inativo": "status-inativo",
    "Vendido": "status-vendido",
    "Alugado": "status-alugado",
  };
  return map[status] || "status-disponivel";
}

function iconCama() {
  return `<svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M2 18v-6a2 2 0 0 1 2-2h16a2 2 0 0 1 2 2v6"/><path d="M2 18v2"/><path d="M22 18v2"/><path d="M4 10V7a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v3"/></svg>`;
}
function iconBanheiro() {
  return `<svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M4 12h16v3a4 4 0 0 1-4 4H8a4 4 0 0 1-4-4v-3Z"/><path d="M4 12V5a2 2 0 0 1 2-2c1.1 0 2 .9 2 2"/><path d="M8 19v2M16 19v2"/></svg>`;
}
function iconVaga() {
  return `<svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="3" y="7" width="18" height="12" rx="2"/><path d="M7 7V5a2 2 0 0 1 2-2h6a2 2 0 0 1 2 2v2"/></svg>`;
}
function iconArea() {
  return `<svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="3" y="3" width="18" height="18" rx="1"/><path d="M9 3v4M15 3v4M9 21v-4M15 21v-4M3 9h4M3 15h4M21 9h-4M21 15h-4"/></svg>`;
}

function cardImovel(a) {
  const specs = [];
  if (a.quartos) specs.push(`<span>${iconCama()} ${a.quartos}</span>`);
  if (a.banheiros) specs.push(`<span>${iconBanheiro()} ${a.banheiros}</span>`);
  if (a.vagas_garagem) specs.push(`<span>${iconVaga()} ${a.vagas_garagem}</span>`);
  const area = a.area_util || a.area_total;
  if (area) specs.push(`<span>${iconArea()} ${area}m²</span>`);

  return `
  <a class="card" href="imovel.html?id=${a.id}">
    <div class="card-media">
      <span class="tag ${a.tipo_negocio === 'Venda' ? 'tag-venda' : 'tag-locacao'}">${a.tipo_negocio}</span>
      ${a.destaque ? '<span class="tag-destaque">Destaque</span>' : ''}
      <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M3 21h18M5 21V9l7-6 7 6v12M9 21v-6h6v6"/></svg>
    </div>
    <div class="card-body">
      <span class="status-pill ${statusClass(a.status)}">${a.status}</span>
      <div class="card-price">${formatMoney(a.preco, a.tipo_negocio)}</div>
      <h3 class="card-title">${escapeHtml(a.titulo)}</h3>
      <div class="card-loc">📍 ${escapeHtml(a.bairro)}, ${escapeHtml(a.cidade)}</div>
      <div class="card-specs">${specs.join("")}</div>
    </div>
  </a>`;
}

function skeletonCards(n = 6) {
  return Array.from({ length: n }).map(() => `
    <div class="card" style="opacity:.5">
      <div class="card-media"></div>
      <div class="card-body">
        <div style="height:14px;background:#e5ded0;border-radius:4px;width:60%"></div>
        <div style="height:18px;background:#e5ded0;border-radius:4px;width:90%;margin-top:8px"></div>
      </div>
    </div>`).join("");
}

function whatsappLink(mensagem) {
  return `https://wa.me/${WHATSAPP_NUMERO}?text=${encodeURIComponent(mensagem)}`;
}

function toast(msg, isError = false) {
  let el = document.querySelector(".toast");
  if (!el) {
    el = document.createElement("div");
    el.className = "toast";
    document.body.appendChild(el);
  }
  el.textContent = msg;
  el.classList.toggle("error", isError);
  el.classList.add("show");
  clearTimeout(el._t);
  el._t = setTimeout(() => el.classList.remove("show"), 3200);
}