{% extends "base.html" %}
{% block title %}仓位管理{% endblock %}
{% block heading %}仓位管理{% 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 %}

{% if not active_round %}
{# ═══════════════ 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:140px;">
        <label>合约</label>
        <select name="contract_code" required>
          <option value="">-- 选择合约 --</option>
          {% for c in contracts %}
          <option value="{{ c }}">{{ c }}</option>
          {% endfor %}
        </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>

<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>

{% else %}
{# ═══════════════ 活跃轮次信息 ═══════════════ #}
{% set locks = active_round.total_locks %}
<div class="stat-grid">
  <div class="stat-card">
    <div class="label">合约</div>
    <div class="value">{{ active_round.contract_code }}</div>
  </div>
  <div class="stat-card">
    <div class="label">每日手数</div>
    <div class="value">{{ active_round.daily_hands }} 手/天</div>
  </div>
  <div class="stat-card">
    <div class="label">已开仓天数</div>
    <div class="value">{{ active_round.positions|length }} 天</div>
  </div>
  <div class="stat-card" style="{% if locks >= 3 %}border-color:var(--danger);background:var(--danger-bg);{% endif %}">
    <div class="label">累计锁仓</div>
    <div class="value" style="{% if locks >= 3 %}color:var(--danger-fg);{% endif %}">
      {{ locks }} / 3
      {% if locks >= 3 %}⚠ 熔断{% endif %}
    </div>
  </div>
  <div class="stat-card">
    <div class="label">开始日期</div>
    <div class="value" style="font-size:1rem;">{{ active_round.started_at }}</div>
  </div>
</div>

{# ═══════════════ 止盈阈值提示 ═══════════════ #}
{% if active_round.positions|length > 0 %}
{% set latest = active_round.positions[-1] %}
<div style="background:var(--accent-light);border:1px solid var(--accent);border-radius:8px;padding:14px 18px;margin-bottom:24px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;">
  <div>
    <span style="font-size:0.78rem;color:var(--sub);">止盈阈值</span>
    <span style="font-weight:700;font-size:1.1rem;margin-left:8px;">{{ active_round.daily_hands }} × {{ latest.amp_threshold }} = {{ active_round.daily_hands * latest.amp_threshold }} 点</span>
  </div>
  <div>
    <span style="font-size:0.78rem;color:var(--sub);">当前振幅 A</span>
    <span style="font-weight:700;font-size:1.1rem;margin-left:8px;">{{ latest.amp_threshold }} 点</span>
  </div>
  <div>
    <span style="font-size:0.78rem;color:var(--sub);">总手数</span>
    <span style="font-weight:700;font-size:1.1rem;margin-left:8px;">{{ active_round.daily_hands * active_round.positions|length }}</span>
  </div>
</div>
{% endif %}

{# ═══════════════ 添加仓位 ═══════════════ #}
<div class="section-title">添加当日仓位</div>
<div class="form-card" style="margin-bottom:28px;">
  <form method="post" action="/positions/add" id="addForm">
    <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:120px;">
        <label>开仓价</label>
        <input type="number" name="open_price" id="openPrice" required placeholder="如 1300" style="font-size:1rem;">
      </div>
      <div class="form-group" style="margin-bottom:0;flex:1;min-width:120px;">
        <label>振幅阈值 A</label>
        <input type="number" name="amp_threshold" id="ampThreshold" required placeholder="如 18" style="font-size:1rem;">
      </div>
      <div class="form-group" style="margin-bottom:0;flex:1;min-width:80px;">
        <label>手数</label>
        <input type="number" name="hands" value="1" min="1" max="10" required>
      </div>
      <div style="display:flex;flex-direction:column;align-items:center;min-width:100px;">
        <span style="font-size:0.75rem;color:var(--sub);margin-bottom:4px;">锁仓价位</span>
        <span id="lockPricePreview" style="font-size:1.3rem;font-weight:700;color:var(--danger-fg);">—</span>
      </div>
      <button type="submit" class="btn btn-primary">添加仓位</button>
    </div>
  </form>
</div>

{# ═══════════════ 仓位列表 ═══════════════ #}
<div class="section-title">本轮仓位</div>

{% if active_round.positions %}
<div class="table-wrap">
<table>
  <tr>
    <th>日期</th>
    <th>开仓价</th>
    <th>振幅 A</th>
    <th>锁仓价位</th>
    <th>手数</th>
    <th>已锁</th>
    <th>状态</th>
    <th>操作</th>
  </tr>
  {% for p in active_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">部分锁仓</span>
      {% else %}
      <span class="badge badge-up">活跃</span>
      {% endif %}
    </td>
    <td>
      <div style="display:flex;gap:8px;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:3px 10px;border-radius:4px;cursor:pointer;font-size:0.78rem;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:3px 10px;border-radius:4px;cursor:pointer;font-size:0.78rem;"
                  {% if p.locked_count == 0 %}disabled style="opacity:0.4;cursor:default;"{% endif %}>
            撤销
          </button>
        </form>
      </div>
    </td>
  </tr>
  {% endfor %}
</table>
</div>
{% else %}
<div style="text-align:center;padding:40px;color:var(--sub);">暂无仓位，请添加当日仓位。</div>
{% endif %}

{# ═══════════════ 结束轮次 ═══════════════ #}
<div style="margin-top:28px;padding:20px;background:var(--surface);border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;gap:16px;">
  <span style="font-size:0.88rem;font-weight:600;">结束本轮：</span>
  <form method="post" action="/positions/close" style="display:inline;">
    <input type="hidden" name="result" value="profit_taken">
    <button type="submit" class="btn" style="background:var(--success);color:#fff;" onclick="return confirm('确认止盈清仓？')">🟢 止盈</button>
  </form>
  <form method="post" action="/positions/close" style="display:inline;">
    <input type="hidden" name="result" value="meltdown">
    <button type="submit" class="btn" style="background:var(--danger);color:#fff;" onclick="return confirm('确认熔断清仓？')">🔴 熔断</button>
  </form>
</div>

{% endif %}

<script>
var openPrice = document.getElementById('openPrice');
var ampThreshold = document.getElementById('ampThreshold');
var preview = document.getElementById('lockPricePreview');
function updatePreview() {
  var op = parseInt(openPrice.value) || 0;
  var at = parseInt(ampThreshold.value) || 0;
  if (op > 0 && at > 0) {
    preview.textContent = (op + at) + ' 点';
  } else {
    preview.textContent = '—';
  }
}
if (openPrice && ampThreshold) {
  openPrice.addEventListener('input', updatePreview);
  ampThreshold.addEventListener('input', updatePreview);
}
</script>
{% endblock %}