{% extends "base.html" %}
{% block title %}交易记录{% endblock %}
{% block heading %}交易记录{% endblock %}
{% block breadcrumb %}开平仓记录{% endblock %}

{% block content %}

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

<style>
  .tabs { display: flex; gap: 0; margin-bottom: 24px; border-bottom: 2px solid var(--border); }
  .tab-btn {
    padding: 10px 20px; border: none; background: none;
    font-size: 0.88rem; font-weight: 500; color: var(--sub);
    cursor: pointer; text-decoration: none; border-bottom: 2px solid transparent;
    margin-bottom: -2px; transition: color .12s, border-color .12s;
  }
  .tab-btn:hover { color: var(--fg); }
  .tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
  .tab-panel { display: none; }
  .tab-panel.active { display: block; }
</style>

<div class="tabs">
  <a href="/trades/" class="tab-btn{% if view != 'closed' %} active{% endif %}">📋 持仓</a>
  <a href="/trades/?view=closed" class="tab-btn{% if view == 'closed' %} active{% endif %}">📊 已平仓</a>
</div>

{% if view != 'closed' %}
<div class="tab-panel active">

{# ── 新建开仓 ── #}
<div class="section-title">新建开仓</div>
<div class="form-card" style="margin-bottom:28px;max-width:100%;">
  <form method="post" action="/trades/open">
    <div style="display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;">
      <div class="form-group" style="margin-bottom:0;flex:0 0 auto;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:0 0 auto;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:0 0 auto;min-width:70px;">
        <label>方向</label>
        <select name="direction" required>
          {% for v, label in directions %}
          <option value="{{ v }}">{{ label }}</option>
          {% endfor %}
        </select>
      </div>
      <div class="form-group" style="margin-bottom:0;flex:1;min-width:140px;">
        <label>开仓日期</label>
        <input type="date" name="open_date" value="{{ today }}" required style="font-size:0.85rem;">
      </div>
      <div class="form-group" style="margin-bottom:0;flex:0 0 auto;min-width:80px;">
        <label>开仓价</label>
        <input type="number" step="any" name="open_price" required placeholder="1300" style="font-size:0.9rem;">
      </div>
      <div class="form-group" style="margin-bottom:0;flex:0 0 auto;min-width:80px;">
        <label>手续费</label>
        <input type="number" step="any" name="open_fee" value="0" style="font-size:0.9rem;">
      </div>
      <button type="submit" class="btn btn-primary" style="font-size:0.82rem;padding:8px 18px;">开仓</button>
    </div>
  </form>
</div>

{# ── 持仓列表 ── #}
<div class="section-title">持仓中 · {{ open_trades|length }} 笔</div>

{% if open_trades %}
<div class="table-wrap">
<table>
  <tr><th>品种</th><th>合约</th><th>方向</th><th>开仓日期</th><th>开仓价</th><th>手续费</th><th>操作</th></tr>
  {% for t in open_trades %}
  <tr>
    <td>{{ t.product_code }}</td>
    <td><strong>{{ t.contract_code.replace(t.product_code, '', 1) }}</strong></td>
    <td>
      {% if t.direction == 'short' %}
      <span class="badge badge-down">空</span>
      {% else %}
      <span class="badge badge-up">多</span>
      {% endif %}
    </td>
    <td>{{ t.open_date }}</td>
    <td>{{ t.open_price }}</td>
    <td>{{ t.open_fee or 0 }}</td>
    <td>
      <button style="background:var(--accent);color:#fff;border:none;padding:3px 10px;border-radius:4px;cursor:pointer;font-size:0.78rem;"
              onclick="showCloseForm({{ t.id }})">平仓</button>
      <form method="post" action="/trades/{{ t.id }}/delete" style="display:inline;margin-left:8px;">
        <button style="background:var(--danger-bg);color:var(--danger-fg);border:1px solid var(--danger);padding:3px 10px;border-radius:4px;cursor:pointer;font-size:0.78rem;" onclick="return confirm('删除此记录？')">删除</button>
      </form>
    </td>
  </tr>
  {% endfor %}
</table>
</div>
{% else %}
<div style="text-align:center;padding:40px;color:var(--sub);">暂无持仓</div>
{% endif %}

{# ── 平仓弹窗 ── #}
<div id="closeFormOverlay" style="display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:99;" onclick="hideCloseForm()"></div>
<div id="closeFormBox" 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:24px;z-index:100;width:360px;max-width:90vw;">
  <h3 style="margin-bottom:16px;">平仓</h3>
  <form method="post" id="closeForm">
    <div class="form-group">
      <label>平仓日期</label>
      <input type="date" name="close_date" value="{{ today }}" required style="font-size:0.85rem;">
    </div>
    <div class="form-group">
      <label>平仓价格</label>
      <input type="number" step="any" name="close_price" required style="font-size:0.9rem;">
    </div>
    <div class="form-group">
      <label>手续费</label>
      <input type="number" step="any" name="close_fee" value="0" style="font-size:0.9rem;">
    </div>
    <div style="display:flex;gap:10px;justify-content:flex-end;">
      <button type="button" class="btn" style="background:var(--th-bg);color:var(--fg);" onclick="hideCloseForm()">取消</button>
      <button type="submit" class="btn btn-primary">确认平仓</button>
    </div>
  </form>
</div>

</div>
{% else %}
<div class="tab-panel active">
{# ═══════════════ 已平仓 ═══════════════ #}

{% if closed_trades %}
<div class="section-title">已平仓 · {{ closed_trades|length }} 笔</div>
<div class="table-wrap">
<table>
  <tr><th>品种</th><th>合约</th><th>方向</th><th>开仓</th><th>平仓</th><th>开仓价</th><th>平仓价</th><th>开仓费</th><th>平仓费</th><th>盈亏</th><th>操作</th></tr>
  {% for t in closed_trades %}
  <tr>
    <td>{{ t.product_code }}</td>
    <td><strong>{{ t.contract_code.replace(t.product_code, '', 1) }}</strong></td>
    <td>
      {% if t.direction == 'short' %}
      <span class="badge badge-down">空</span>
      {% else %}
      <span class="badge badge-up">多</span>
      {% endif %}
    </td>
    <td style="font-size:0.8rem;">{{ t.open_date }}</td>
    <td style="font-size:0.8rem;">{{ t.close_date }}</td>
    <td>{{ t.open_price }}</td>
    <td>{{ t.close_price }}</td>
    <td>{{ t.open_fee or 0 }}</td>
    <td>{{ t.close_fee or 0 }}</td>
    <td>
      {% set p = t.pnl %}
      {% if p is not none %}
      <span style="font-weight:700;{% if p > 0 %}color:var(--success-fg);{% elif p < 0 %}color:var(--danger-fg);{% else %}color:var(--sub);{% endif %}">
        {% if p > 0 %}+{% endif %}{{ p }}
      </span>
      <span style="color:var(--sub);cursor:pointer;font-size:0.75rem;margin-left:4px;"
            onclick="showPnlDrawer('{{ t.product_code }} {{ t.contract_code.replace(t.product_code, '', 1) }}', '{{ t.direction }}', {{ t.open_price }}, {{ t.close_price }}, {{ t.open_fee or 0 }}, {{ t.close_fee or 0 }}, {{ p }})" title="计算过程">&#9432;</span>
      {% endif %}
    </td>
    <td>
      <form method="post" action="/trades/{{ t.id }}/delete" style="display:inline;margin-left:8px;">
        <button style="background:var(--danger-bg);color:var(--danger-fg);border:1px solid var(--danger);padding:3px 10px;border-radius:4px;cursor:pointer;font-size:0.78rem;" onclick="return confirm('删除此记录？')">删除</button>
      </form>
    </td>
  </tr>
  {% endfor %}
</table>
</div>

{% set ns = namespace(total_pnl=0, total_open_fee=0, total_close_fee=0) %}
{% for t in closed_trades %}
  {% set ns.total_pnl = ns.total_pnl + (t.pnl or 0) %}
  {% set ns.total_open_fee = ns.total_open_fee + (t.open_fee or 0) %}
  {% set ns.total_close_fee = ns.total_close_fee + (t.close_fee or 0) %}
{% endfor %}
<div style="display:flex;gap:24px;margin-bottom:24px;padding:12px 18px;background:var(--surface);border:1px solid var(--border);border-radius:8px;font-size:0.88rem;flex-wrap:wrap;">
  <span>盈亏合计 <b style="{% if ns.total_pnl > 0 %}color:var(--success-fg);{% elif ns.total_pnl < 0 %}color:var(--danger-fg);{% endif %}">{% if ns.total_pnl > 0 %}+{% endif %}{{ '%.2f'|format(ns.total_pnl) }}</b></span>
  <span style="color:var(--sub);">|</span>
  <span>开仓手续费 <b>{{ '%.2f'|format(ns.total_open_fee) }}</b></span>
  <span style="color:var(--sub);">|</span>
  <span>平仓手续费 <b>{{ '%.2f'|format(ns.total_close_fee) }}</b></span>
  <span style="color:var(--sub);">|</span>
  <span>手续费合计 <b>{{ '%.2f'|format(ns.total_open_fee + ns.total_close_fee) }}</b></span>
</div>
{% else %}
<div style="text-align:center;padding:60px;color:var(--sub);">暂无已平仓记录</div>
{% endif %}

</div>
{% endif %}

{% if view != 'closed' %}
<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>';
    });
  }
}
function showCloseForm(tradeId) {
  document.getElementById('closeForm').action = '/trades/' + tradeId + '/close';
  document.getElementById('closeFormOverlay').style.display = 'block';
  document.getElementById('closeFormBox').style.display = 'block';
}
function hideCloseForm() {
  document.getElementById('closeFormOverlay').style.display = 'none';
  document.getElementById('closeFormBox').style.display = 'none';
}
</script>
{% endif %}

<div id="pnlOverlay" style="display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:99;" onclick="hidePnlDrawer()"></div>
<div id="pnlBox" 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:24px;z-index:100;width:380px;max-width:90vw;">
  <h3 style="margin-bottom:4px;" id="pnlTitle"></h3>
  <p style="font-size:0.8rem;color:var(--sub);margin-bottom:14px;" id="pnlFormula"></p>
  <table class="calc-table" style="width:100%;border-collapse:collapse;font-size:0.84rem;margin-bottom:12px;" id="pnlTable"></table>
  <div style="font-size:1rem;" id="pnlResult"></div>
  <button style="position:absolute;top:12px;right:16px;background:none;border:none;font-size:1.3rem;cursor:pointer;color:var(--sub);" onclick="hidePnlDrawer()">&times;</button>
</div>

<script>
function showPnlDrawer(title, direction, openPrice, closePrice, openFee, closeFee, result) {
  document.getElementById('pnlTitle').textContent = title;
  var dirLabel = direction === 'short' ? '空' : '多';
  document.getElementById('pnlFormula').textContent = '方向: ' + dirLabel + '  |  每点 20 元';
  var diff = direction === 'short' ? (openPrice - closePrice) : (closePrice - openPrice);
  var gross = diff * 20;
  var fees = openFee + closeFee;
  var html = '<tr style="background:var(--th-bg);"><td>项目</td><td>计算</td><td style="text-align:right;">金额</td></tr>';
  html += '<tr><td>价差</td><td>' + (direction === 'short' ? openPrice + ' - ' + closePrice : closePrice + ' - ' + openPrice) + '</td><td style="text-align:right;">' + diff.toFixed(2) + ' 点</td></tr>';
  html += '<tr><td>毛利</td><td>' + diff.toFixed(2) + ' × 20</td><td style="text-align:right;">' + gross.toFixed(2) + '</td></tr>';
  html += '<tr><td>开仓手续费</td><td></td><td style="text-align:right;color:var(--danger-fg);">-' + openFee.toFixed(2) + '</td></tr>';
  html += '<tr><td>平仓手续费</td><td></td><td style="text-align:right;color:var(--danger-fg);">-' + closeFee.toFixed(2) + '</td></tr>';
  document.getElementById('pnlTable').innerHTML = html;
  document.getElementById('pnlResult').innerHTML = '<b>盈亏 = ' + gross.toFixed(2) + ' - ' + openFee.toFixed(2) + ' - ' + closeFee.toFixed(2) + ' = <span style="color:' + (result > 0 ? 'var(--success-fg)' : result < 0 ? 'var(--danger-fg)' : 'var(--sub)') + ';">' + (result > 0 ? '+' : '') + result.toFixed(2) + '</span></b>';
  document.getElementById('pnlOverlay').style.display = 'block';
  document.getElementById('pnlBox').style.display = 'block';
}
function hidePnlDrawer() {
  document.getElementById('pnlOverlay').style.display = 'none';
  document.getElementById('pnlBox').style.display = 'none';
}
</script>
{% endblock %}