{% extends "base.html" %}
{% block title %}对冲管理{% endblock %}
{% block heading %}对冲管理{% endblock %}
{% block breadcrumb %}振幅锁仓 · 仓位跟踪{% endblock %}

{% block content %}

{% set error = request.query_params.get('error', '') %}

{% if error %}
<div style="background:var(--danger-bg);color:var(--danger-fg);padding:10px 16px;border-radius:6px;margin-bottom:16px;font-size:0.88rem;">{{ error }}</div>
{% endif %}

{# ═══════════════ 新建轮次 ═══════════════ #}
<div class="section-title">新建轮次</div>
<div class="form-card" style="margin-bottom:28px;">
  <form method="post" action="/positions/round">
    <div style="display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;">
      <div class="form-group" style="margin-bottom:0;flex:1;min-width:100px;">
        <label>品种</label>
        <select id="productSelect" required onchange="filterContracts()">
          <option value="">--</option>
          {% for pcode in product_contracts %}
          <option value="{{ pcode }}">{{ pcode }}</option>
          {% endfor %}
        </select>
      </div>
      <div class="form-group" style="margin-bottom:0;flex:1;min-width:120px;">
        <label>合约</label>
        <select name="contract_code" id="contractSelect" required disabled>
          <option value="">-- 先选品种 --</option>
        </select>
      </div>
      <div class="form-group" style="margin-bottom:0;flex:1;min-width:100px;">
        <label>每日手数 N</label>
        <input type="number" name="daily_hands" value="1" min="1" max="10" required>
      </div>
      <button type="submit" class="btn btn-primary">开始新轮</button>
    </div>
  </form>
</div>

{% if not active_rounds %}
<div style="text-align:center;padding:60px;color:var(--sub);">
  <p style="font-size:1.1rem;margin-bottom:8px;">暂无活跃轮次</p>
  <p style="font-size:0.82rem;">创建一轮新的交易，开始跟踪仓位和锁仓状态</p>
</div>
{% endif %}

{% for round in active_rounds %}
{# ═══════════════ 轮次卡片 ═══════════════ #}
{% set locks = round.total_locks %}
<div style="margin-bottom:32px;border:1px solid var(--border);border-radius:10px;overflow:hidden;">

  {# ── 轮次头部 ── #}
  <div style="display:flex;align-items:center;gap:16px;padding:14px 20px;background:var(--th-bg);flex-wrap:wrap;">
    <strong style="font-size:1rem;">{{ round.contract_code }}</strong>
    <span class="badge badge-up">{{ round.daily_hands }} 手/天</span>
    <span style="font-size:0.82rem;color:var(--sub);">已开 {{ round.positions|length }} 天</span>
    <span style="font-size:0.82rem;color:var(--sub);">开始 {{ round.started_at }}</span>
    <span style="font-size:0.82rem;font-weight:600;{% if locks >= 3 %}color:var(--danger-fg);{% endif %}">
      锁仓 {{ locks }}/3
      {% if locks >= 3 %} ⚠ 熔断{% endif %}
    </span>
    <span style="margin-left:auto;display:flex;gap:8px;">
      <form method="post" action="/positions/{{ round.id }}/close" style="display:inline;">
        <input type="hidden" name="result" value="profit_taken">
        <button class="btn" style="background:var(--success);color:#fff;font-size:0.78rem;padding:4px 14px;" onclick="confirmDelete(event, '确认 {{ round.contract_code }} 止盈清仓？', this.closest('form').action)">止盈</button>
      </form>
      <form method="post" action="/positions/{{ round.id }}/close" style="display:inline;">
        <input type="hidden" name="result" value="meltdown">
        <button class="btn" style="background:var(--danger);color:#fff;font-size:0.78rem;padding:4px 14px;" onclick="confirmDelete(event, '确认 {{ round.contract_code }} 熔断清仓？', this.closest('form').action)">熔断</button>
      </form>
      <form method="post" action="/positions/{{ round.id }}/delete" style="display:inline;">
        <button style="background:transparent;color:#dc2626;border:1px solid #ef4444;padding:3px 10px;border-radius:4px;cursor:pointer;font-size:0.78rem;" onclick="confirmDelete(event, '确定删除 {{ round.contract_code }} 整轮数据？', this.closest('form').action)">删除</button>
      </form>
    </span>
  </div>

  <div style="padding:16px 20px;">

  {# ── 止盈阈值 ── #}
  {% if round.positions %}
  {% set latest = round.positions[-1] %}
  <div style="background:var(--accent-light);border:1px solid var(--accent);border-radius:6px;padding:10px 16px;margin-bottom:16px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;">
    <span style="font-size:0.78rem;color:var(--sub);">止盈阈值</span>
    <span style="font-weight:700;">{{ round.daily_hands }} × {{ latest.amp_threshold }} = {{ round.daily_hands * latest.amp_threshold }} 点</span>
    <span style="color:var(--sub);">|</span>
    <span style="font-size:0.78rem;color:var(--sub);">当前 A = {{ latest.amp_threshold }}</span>
    <span style="color:var(--sub);">|</span>
    <span style="font-size:0.78rem;color:var(--sub);">总手数 {{ round.daily_hands * round.positions|length }}</span>
  </div>
  {% endif %}

  {# ── 添加仓位 ── #}
  <div style="margin-bottom:16px;">
    <form method="post" action="/positions/{{ round.id }}/add">
      <div style="display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;">
        <div class="form-group" style="margin-bottom:0;flex:1;min-width:100px;">
          <label>开仓价</label>
          <input type="number" name="open_price" required placeholder="如 1300" style="font-size:0.9rem;">
        </div>
        <div class="form-group" style="margin-bottom:0;flex:1;min-width:100px;">
          <label>振幅 A</label>
          <input type="number" name="amp_threshold" required placeholder="如 18" style="font-size:0.9rem;">
        </div>
        <div class="form-group" style="margin-bottom:0;flex:1;min-width:70px;">
          <label>手数</label>
          <input type="number" name="hands" value="{{ round.daily_hands }}" min="1" max="10" required style="font-size:0.9rem;">
        </div>
        <button type="submit" class="btn btn-primary" style="font-size:0.82rem;padding:8px 18px;">+ 添加</button>
      </div>
    </form>
  </div>

  {# ── 仓位表格 ── #}
  {% if round.positions %}
  <div class="table-wrap" style="margin-bottom:0;">
  <table style="font-size:0.84rem;">
    <tr>
      <th>日期</th><th>开仓价</th><th>A</th><th>锁仓价</th><th>手数</th><th>已锁</th><th>状态</th><th>操作</th>
    </tr>
    {% for p in round.positions|reverse %}
    <tr>
      <td><strong>{{ p.opened_at }}</strong></td>
      <td>{{ p.open_price }}</td>
      <td>{{ p.amp_threshold }}</td>
      <td style="color:var(--danger-fg);font-weight:600;">{{ p.lock_price }}</td>
      <td>{{ p.hands }}</td>
      <td>
        {% if p.locked_count > 0 %}
        <span class="badge badge-warn">{{ p.locked_count }}/{{ p.hands }}</span>
        {% else %}
        <span class="na">0/{{ p.hands }}</span>
        {% endif %}
      </td>
      <td>
        {% if p.locked_count >= p.hands %}
        <span class="badge badge-down">已全锁</span>
        {% elif p.locked_count > 0 %}
        <span class="badge badge-warn">部分锁</span>
        {% else %}
        <span class="badge badge-up">活跃</span>
        {% endif %}
      </td>
      <td>
        <div style="display:flex;gap:6px;justify-content:center;">
          <form method="post" action="/positions/{{ p.id }}/lock" style="display:inline;">
            <button style="background:var(--warn-bg);color:var(--warn-fg);border:1px solid var(--warn);padding:2px 8px;border-radius:4px;cursor:pointer;font-size:0.75rem;font-weight:600;"
                    {% if p.locked_count >= p.hands %}disabled style="opacity:0.4;cursor:default;"{% endif %}>锁</button>
          </form>
          <form method="post" action="/positions/{{ p.id }}/unlock" style="display:inline;">
            <button style="background:var(--surface);color:var(--sub);border:1px solid var(--border);padding:2px 8px;border-radius:4px;cursor:pointer;font-size:0.75rem;"
                    {% if p.locked_count == 0 %}disabled style="opacity:0.4;cursor:default;"{% endif %}>撤</button>
          </form>
        </div>
      </td>
    </tr>
    {% endfor %}
  </table>
  </div>
  {% else %}
  <div style="text-align:center;padding:24px;color:var(--sub);font-size:0.84rem;">暂无仓位，请添加。</div>
  {% endif %}

  </div>
</div>
{% endfor %}

<script>
var productContracts = {{ product_contracts | tojson }};
function filterContracts() {
  var prod = document.getElementById('productSelect').value;
  var sel = document.getElementById('contractSelect');
  sel.innerHTML = '<option value="">-- 选择合约 --</option>';
  sel.disabled = !prod;
  if (prod && productContracts[prod]) {
    productContracts[prod].forEach(function(c) {
      var display = c.startsWith(prod) ? c.substring(prod.length) : c;
      sel.innerHTML += '<option value="' + c + '">' + display + '</option>';
    });
  }
}
</script>

<div id="confirmOverlay" style="display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:199;" onclick="hideConfirm()"></div>
<div id="confirmBox" style="display:none;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:28px 32px;z-index:200;text-align:center;max-width:90vw;">
  <p id="confirmMsg" style="font-size:0.95rem;margin-bottom:20px;"></p>
  <div style="display:flex;gap:10px;justify-content:center;">
    <button class="btn" style="background:var(--th-bg);color:var(--fg);" onclick="hideConfirm()">取消</button>
    <button class="btn" style="background:var(--danger);color:#fff;" id="confirmBtn">确认</button>
  </div>
</div>
<script>
function confirmDelete(e, msg, url) {
  e.preventDefault();
  document.getElementById('confirmMsg').textContent = msg;
  document.getElementById('confirmBtn').onclick = function() {
    var f = document.createElement('form');
    f.method = 'POST';
    f.action = url;
    document.body.appendChild(f);
    f.submit();
  };
  document.getElementById('confirmOverlay').style.display = 'block';
  document.getElementById('confirmBox').style.display = 'block';
}
function hideConfirm() {
  document.getElementById('confirmOverlay').style.display = 'none';
  document.getElementById('confirmBox').style.display = 'none';
}
</script>

{% endblock %}