const API = 'http://localhost:8080';
let token = null;
let currentView = 'MINE';

const $ = (id) => document.getElementById(id);

function toast(msg) {
  const t = $('toast');
  t.textContent = msg;
  t.classList.remove('hidden');
  clearTimeout(t._h);
  t._h = setTimeout(() => t.classList.add('hidden'), 2500);
}

function authHeaders(extra = {}) {
  const h = { ...extra };
  if (token) h['Authorization'] = 'Bearer ' + token;
  return h;
}

const STATUS_TEXT = { 1: '待领取', 2: '推进中', 3: '暂缓中', 4: '已关闭', 5: '已转项目' };

// ---- 登录（调试 token）----
async function login() {
  const userId = $('userId').value.trim();
  try {
    const res = await fetch(`${API}/api/auth/debug/token?userId=${encodeURIComponent(userId)}`);
    const body = await res.json();
    if (body.success && body.data) {
      token = body.data;
      $('tokenState').textContent = '已登录 uid=' + userId;
      $('tokenState').className = 'pill pill-on';
      toast('登录成功');
      loadList();
    } else {
      toast('登录失败: ' + (body.message || res.status));
    }
  } catch (e) {
    toast('登录请求异常: ' + e.message);
  }
}

// ---- 列表 ----
async function loadList() {
  if (!token) { toast('请先签发调试 Token'); return; }
  const params = new URLSearchParams({ viewType: currentView, current: '1', size: '20' });
  try {
    const res = await fetch(`${API}/api/opportunity/page`, {
      method: 'POST',
      headers: authHeaders({ 'Content-Type': 'application/x-www-form-urlencoded' }),
      body: params.toString(),
    });
    const body = await res.json();
    if (!body.success) { renderRows([]); $('listMeta').textContent = '错误: ' + body.message; return; }
    const page = body.data || {};
    renderRows(page.content || []);
    $('listMeta').textContent = `视图 ${currentView} · 共 ${page.total ?? 0} 条`;
  } catch (e) {
    toast('列表加载异常: ' + e.message);
  }
}

function renderRows(rows) {
  const tbody = $('oppRows');
  if (!rows.length) {
    tbody.innerHTML = '<tr><td colspan="8" class="empty">无数据</td></tr>';
    return;
  }
  tbody.innerHTML = rows.map((r) => `
    <tr data-id="${r.id}">
      <td>${r.id ?? ''}</td>
      <td>${esc(r.oppName)}</td>
      <td>${esc(r.oppSourceName || r.oppSource || '')}</td>
      <td class="status-${r.oppStatus}">${STATUS_TEXT[r.oppStatus] || r.oppStatus || ''}</td>
      <td>${esc(r.currentStageName || '')}</td>
      <td>${esc(r.ownerNameSnapshot || '')}</td>
      <td>${esc(r.primaryCustomerNameSnapshot || '')}</td>
      <td>${r.projectAmount ?? ''}</td>
    </tr>`).join('');
}

function esc(s) {
  return String(s ?? '').replace(/[&<>"]/g, (c) => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;' }[c]));
}

// ---- 新建商机 ----
async function openNewModal() {
  if (!token) { toast('请先签发调试 Token'); return; }
  $('newForm').reset();
  $('formMsg').textContent = '';
  onSourceChange();
  $('newModal').classList.remove('hidden');
}

function closeNewModal() { $('newModal').classList.add('hidden'); }

async function onSourceChange() {
  const isLead = $('f_oppSource').value === 'opp_source_01';
  $('leadRow').classList.toggle('hidden', !isLead);
  if (isLead) await loadConvertibleLeads();
}

async function loadConvertibleLeads() {
  const sel = $('f_sourceLeadId');
  sel.innerHTML = '<option value="">（加载中…）</option>';
  try {
    const res = await fetch(`${API}/api/opportunity/convertible-leads`, { headers: authHeaders() });
    const body = await res.json();
    const list = (body.success && body.data) || [];
    sel.innerHTML = '<option value="">请选择</option>' +
      list.map((l) => `<option value="${l.id}">${esc(l.leadName || l.name || l.id)}</option>`).join('');
    if (!list.length) sel.innerHTML = '<option value="">（无可关联线索）</option>';
  } catch (e) {
    sel.innerHTML = '<option value="">加载失败</option>';
  }
}

async function submitNew(ev) {
  ev.preventDefault();
  const msg = $('formMsg');
  msg.textContent = '提交中…'; msg.className = 'msg';
  const payload = {
    oppSource: $('f_oppSource').value,
    opportunityName: $('f_oppName').value.trim(),
    partyA: $('f_partyA').value.trim() || null,
    customerName: $('f_customerName').value.trim() || null,
    remark: $('f_remark').value.trim() || null,
    sourceLeadId: $('f_sourceLeadId').value ? Number($('f_sourceLeadId').value) : null,
  };
  try {
    const res = await fetch(`${API}/api/opportunity`, {
      method: 'POST',
      headers: authHeaders({ 'Content-Type': 'application/json' }),
      body: JSON.stringify(payload),
    });
    const body = await res.json();
    if (body.success) {
      msg.textContent = '创建成功 id=' + body.data; msg.className = 'msg ok';
      toast('商机已创建 id=' + body.data);
      setTimeout(() => { closeNewModal(); loadList(); }, 700);
    } else {
      msg.textContent = '失败: ' + (body.message || res.status); msg.className = 'msg err';
    }
  } catch (e) {
    msg.textContent = '异常: ' + e.message; msg.className = 'msg err';
  }
}

// ---- 事件绑定 ----
$('btnLogin').addEventListener('click', login);
$('btnRefresh').addEventListener('click', loadList);
$('btnNew').addEventListener('click', openNewModal);
$('btnCancel').addEventListener('click', closeNewModal);
$('f_oppSource').addEventListener('change', onSourceChange);
$('newForm').addEventListener('submit', submitNew);
document.querySelectorAll('#viewTabs button').forEach((b) => {
  b.addEventListener('click', () => {
    document.querySelectorAll('#viewTabs button').forEach((x) => x.classList.remove('active'));
    b.classList.add('active');
    currentView = b.dataset.view;
    loadList();
  });
});