{% extends 'layouts/base.html' %}

{% block content %}

<div class="page-head">
    <h1>Profit / Loss Calculator</h1>
    {% if session.user.role == 'super_admin' %}
    <a class="btn btn-sm" href="{{ url_for('products.index') }}">Manage Scrips</a>
    {% endif %}
</div>

<div class="panel">
    <form method="post">
        <input type="hidden" name="row_count" value="{{ rows }}">

        <div class="table-wrap">
            <table class="modern-table">
                <thead>
                    <tr><th>Scrip</th><th>Position</th><th>Buy Price</th><th>Sell Price</th><th>Quantity (lots)</th></tr>
                </thead>
                <tbody>
                    {% for i in range(rows) %}
                    <tr>
                        <td>
                            <select name="scrip_id">
                                <option value="">Select scrip</option>
                                {% for s in scrips %}
                                <option value="{{ s.id }}">{{ s.category }} · {{ s.name }} ({{ s.point_value }} pts)</option>
                                {% endfor %}
                            </select>
                        </td>
                        <td>
                            <select name="side">
                                <option value="buy">Long (buy first)</option>
                                <option value="sell">Short (sell first)</option>
                            </select>
                        </td>
                        <td><input name="buy_price" type="number" step="0.01" value="0"></td>
                        <td><input name="sell_price" type="number" step="0.01" value="0"></td>
                        <td><input name="quantity" type="number" step="0.01" value="1"></td>
                    </tr>
                    {% endfor %}
                </tbody>
            </table>
        </div>

        <div class="form-actions">
            <button class="btn" type="submit">Calculate</button>
            <a class="btn btn-sm" href="{{ url_for('tools.calculator') }}">Clear</a>
        </div>
    </form>

    <p class="muted">Profit = (sell − buy) × quantity × scrip point value. Short positions invert the difference.</p>
</div>

{% if results %}
<div class="panel">
    <h3>Result</h3>

    <div class="table-wrap">
        <table class="modern-table">
            <thead>
                <tr><th>Scrip</th><th>Position</th><th>Buy</th><th>Sell</th><th>Qty</th><th>Points</th><th>Point Value</th><th>Profit / Loss</th></tr>
            </thead>
            <tbody>
                {% for r in results %}
                <tr>
                    <td><strong>{{ r.scrip }}</strong></td>
                    <td><span class="badge">{{ 'Short' if r.side == 'sell' else 'Long' }}</span></td>
                    <td>{{ r.buy }}</td>
                    <td>{{ r.sell }}</td>
                    <td>{{ r.quantity }}</td>
                    <td>{{ '%.2f'|format(r.points) }}</td>
                    <td>{{ r.point_value }}</td>
                    <td>
                        <span class="badge {{ 'badge-success' if r.profit >= 0 else 'badge-danger' }}">
                            ₹{{ '%.2f'|format(r.profit) }}
                        </span>
                    </td>
                </tr>
                {% endfor %}
            </tbody>
            <tfoot>
                <tr>
                    <th colspan="7" style="text-align:right;">Net</th>
                    <th>
                        <span class="badge {{ 'badge-success' if net_total >= 0 else 'badge-danger' }}">
                            ₹{{ '%.2f'|format(net_total) }}
                        </span>
                    </th>
                </tr>
            </tfoot>
        </table>
    </div>
</div>
{% endif %}

{% endblock %}