{% extends "base.html" %}
{% block title %}{{ '入库登记' if kind=='inbound' else '出库登记' }}{% endblock %}
{% block content %}

<div class="toolbar">
  <h3 style="margin:0">{{ '入库登记' if kind=='inbound' else '出库登记' }}</h3>
  <div>
    <a class="btn" href="{{ url_for('download_template', kind='transactions') }}">⬇ 下载批量模板</a>
    <button class="primary" type="button" onclick="openBatch()">⊞ 批量导入窗口</button>
  </div>
</div>

<form method="post" class="card form-card txn-form">
  <label>物料编码（输入或扫码自动定位）</label>
  <div class="pn-lookup">
    <input id="pnLookup" placeholder="输入物料编码，如 P0001，回车自动定位" autocomplete="off">
    <span id="pnHint" class="pn-hint"></span>
  </div>
  <label>物料 *</label>
  <select name="material_id" id="materialSelect" required>
    <option value="">-- 选择物料 --</option>
    {% for m in mats %}
    <option value="{{ m.id }}" data-pn="{{ m.part_number }}">{{ m.part_number }} ({{ m.manufacturer or '-' }})</option>
    {% endfor %}
  </select>
  <label>批次号</label>
  <input name="batch_no">
  <label>数量 *</label>
  <input name="qty" type="number" step="0.01" min="0.01" required>
  <label>经手人</label>
  <input name="operator">
  {% if kind=='inbound' %}
  <label>来源 / 供应商</label>
  <input name="source">
  <label>送货日期</label>
  <input name="delivery_date" type="date" value="{{ today }}">
  {% else %}
  <label>用途</label>
  <input name="purpose">
  <label>关联单号</label>
  <input name="order_ref">
  {% endif %}
  <label>业务日期</label>
  <input name="occur_date" type="date" value="{{ today }}">
  <label>备注</label>
  <input name="remark">
  <div class="row-actions">
    <button class="primary">{{ '入库' if kind=='inbound' else '出库' }}</button>
  </div>
</form>

<h3>最近 {{ recs|length }} 条{{ '入库' if kind=='inbound' else '出库' }}记录</h3>
<table class="tbl">
  <thead>
    <tr>
      <th>物料</th><th>批次</th><th>数量</th><th>经手人</th>
      {% if kind=='inbound' %}<th>来源</th>{% else %}<th>用途</th><th>单号</th>{% endif %}
      <th>日期</th>
    </tr>
  </thead>
  <tbody>
    {% for r in recs %}
    {% set m = mats|selectattr('id','equalto',r.material_id)|list|first %}
    <tr>
      <td>{{ m.part_number if m else r.material_id }}</td>
      <td>{{ r.batch_no or '-' }}</td>
      <td class="num">{{ '%.2f'|format(r.qty) }}</td>
      <td>{{ r.operator or '-' }}</td>
      {% if kind=='inbound' %}<td>{{ r.source or '-' }}</td>
      {% else %}<td>{{ r.purpose or '-' }}</td><td>{{ r.order_ref or '-' }}</td>{% endif %}
      <td>{{ r.occur_date }}</td>
    </tr>
    {% else %}
    <tr><td colspan="7" class="muted">暂无记录</td></tr>
    {% endfor %}
  </tbody>
</table>

<!-- 批量导入窗口(模态) -->
<div class="modal-mask" id="batchMask" style="display:none">
  <div class="modal">
    <div class="modal-head">
      <span>批量导入{{ '入库' if kind=='inbound' else '出库' }} · 多行清单</span>
      <button class="x" onclick="closeBatch()">✕</button>
    </div>
    <div class="modal-body">
      <p class="small muted">每行一条: <b>物料编号 数量 批次(可选) 日期(可选) 备注(可选)</b>，列之间用空格或制表符分隔。也可直接上传 Excel/CSV。</p>
      <textarea id="batchText" rows="8" placeholder="P0001 100 B20260911 2026-09-11 到货A
P0002 50  2026-09-11 到货B"></textarea>
      <div class="row-actions">
        <button type="button" onclick="parsePaste()">解析预览</button>
        <label class="btn" style="cursor:pointer">📁 上传文件
          <input type="file" id="batchFile" accept=".xlsx,.csv" style="display:none" onchange="parseFile()">
        </label>
        <button type="button" class="primary" id="commitBtn" onclick="commitBatch()" disabled>确认导入</button>
      </div>
      <div id="batchResult" style="margin-top:12px"></div>
    </div>
  </div>
</div>

<script>
const TXN_KIND = "{{ kind }}";
let lastRows = [];

/* ---- 物料编码输入框: 输入/扫码自动定位下拉物料 ---- */
(function(){
  const sel = document.getElementById('materialSelect');
  const pn = document.getElementById('pnLookup');
  const hint = document.getElementById('pnHint');
  if(!sel || !pn || !hint) return;
  function lockTo(o){
    sel.value = o.value;
    hint.textContent = '✓ ' + o.text;
    hint.className = 'pn-hint ok';
    const qty = document.querySelector('.txn-form input[name=qty]');
    if(qty) qty.focus();
  }
  function locate(){
    const q = pn.value.trim().toUpperCase();
    if(!q){ hint.textContent=''; hint.className='pn-hint'; return; }
    const opts = Array.from(sel.options).filter(o => o.value !== '');
    const exact = opts.find(o => (o.getAttribute('data-pn')||'').toUpperCase() === q);
    if(exact){ lockTo(exact); return; }
    const prefix = opts.filter(o => (o.getAttribute('data-pn')||'').toUpperCase().startsWith(q));
    if(prefix.length === 1){ lockTo(prefix[0]); return; }
    if(prefix.length > 1){
      hint.textContent = '… 多个候选(' + prefix.length + ')，继续输入';
      hint.className = 'pn-hint warn';
      return;
    }
    hint.textContent = '✗ 未找到物料编码：' + q;
    hint.className = 'pn-hint danger';
  }
  pn.addEventListener('input', locate);
  pn.addEventListener('keydown', e => { if(e.key === 'Enter'){ e.preventDefault(); locate(); } });
  sel.addEventListener('change', () => {
    const o = sel.options[sel.selectedIndex];
    if(o && o.value !== ''){
      pn.value = o.getAttribute('data-pn') || '';
      hint.textContent = '✓ ' + o.text;
      hint.className = 'pn-hint ok';
    } else {
      pn.value = ''; hint.textContent = ''; hint.className = 'pn-hint';
    }
  });
})();

function openBatch(){ document.getElementById('batchMask').style.display='flex'; }
function closeBatch(){ document.getElementById('batchMask').style.display='none'; }
document.getElementById('batchMask').addEventListener('click', e=>{ if(e.target.id==='batchMask') closeBatch(); });

function splitLine(line){
  const s = line.replace(/[\t,，;；]+/g,' ').trim();
  if(!s) return [];
  return s.split(/\s+/);
}
function parsePaste(){
  const text = document.getElementById('batchText').value.trim();
  if(!text){ alert('请先粘贴清单'); return; }
  const rows = [];
  text.split(/\r?\n/).forEach(raw=>{
    const parts = splitLine(raw);
    if(!parts.length) return;
    const first = parts[0];
    if(/物料|编号|part\s?number|数量|qty/i.test(first)) return; // 跳过表头
    const pn = parts[0];
    const qty = parseFloat(parts[1]);
    const batch = parts[2] || '';
    const date = parts[3] || '';
    const remark = parts.slice(4).join(' ');
    rows.push({part_number:pn, qty:isNaN(qty)?0:qty, batch_no:batch, date:date, remark:remark});
  });
  if(!rows.length){ alert('未解析到有效行'); return; }
  postPreview({kind:TXN_KIND, rows:rows});
}
function parseFile(){
  const f = document.getElementById('batchFile').files[0];
  if(!f) return;
  const fd = new FormData();
  fd.append('file', f);
  fd.append('kind', TXN_KIND);
  fetch('/api/import/transactions/preview', {method:'POST', body:fd})
    .then(r=>r.json()).then(renderPreview).catch(e=>alert('解析失败: '+e));
}
function postPreview(payload){
  fetch('/api/import/transactions/preview', {
    method:'POST', headers:{'Content-Type':'application/json'},
    body:JSON.stringify(payload)
  }).then(r=>r.json()).then(renderPreview).catch(e=>alert('解析失败: '+e));
}
function renderPreview(data){
  lastRows = data.rows || [];
  const valid = data.valid, invalid = data.invalid;
  let html = `<div class="flash ${invalid? 'error':'ok'}">共 ${lastRows.length} 行 · 可导入 <b>${valid}</b> 行 · 异常 <b>${invalid}</b> 行</div>`;
  html += '<table class="tbl"><thead><tr><th>物料编号</th><th>数量</th><th>批次</th><th>日期</th><th>备注</th><th>校验</th></tr></thead><tbody>';
  lastRows.forEach(r=>{
    const cls = r.ok? '' : 'row-danger';
    const tag = r.ok? '<span class="badge ok">OK</span>' : `<span class="badge danger">${r.error||'错误'}</span>`;
    html += `<tr class="${cls}"><td>${r.part_number}</td><td class="num">${r.qty}</td><td>${r.batch_no||'-'}</td><td>${r.date||'-'}</td><td>${r.remark||'-'}</td><td>${tag}</td></tr>`;
  });
  html += '</tbody></table>';
  document.getElementById('batchResult').innerHTML = html;
  document.getElementById('commitBtn').disabled = valid===0;
}
function commitBatch(){
  if(!lastRows.length) return;
  fetch('/api/import/transactions/commit', {
    method:'POST', headers:{'Content-Type':'application/json'},
    body:JSON.stringify({kind:TXN_KIND, rows:lastRows})
  }).then(r=>r.json()).then(d=>{
    alert(`导入完成: 成功 ${d.added} 条${d.skipped? '，跳过 '+d.skipped+' 条':''}`);
    if(d.added>0) location.reload();
  }).catch(e=>alert('导入失败: '+e));
}
</script>
{% endblock %}