{% extends "layout.html" %}

{% block title %}OptiWarm - Fuel Costs{% endblock %}

{% block content %}
<div class="d-flex justify-content-between align-items-center mb-4">
    <h1>
        <i class="fas fa-dollar-sign mr-2"></i>Fuel Costs
    </h1>
    <div class="btn-group">
        <a href="{{ url_for('fuelcosts.new_fuel_cost') }}" class="btn btn-success">
            <i class="fas fa-plus mr-2"></i>Add Fuel Cost
        </a>
        <a href="{{ url_for('boilers.index') }}" class="btn btn-secondary">
            <i class="fas fa-arrow-left mr-2"></i>Back to Boilers
        </a>
    </div>
</div>

<div class="card">
    <div class="card-header">
        <div class="d-flex justify-content-between align-items-center">
            <h5 class="mb-0">Manage Fuel Costs</h5>
            <div class="text-muted small">
                {% if total_count > 0 %}
                    <span class="mr-3">
                        <i class="fas fa-list-ol mr-1"></i>
                        {{ total_count }} record{{ 's' if total_count != 1 else '' }}
                    </span>
                    {% if date_range.min_date or date_range.max_date %}
                        <span>
                            <i class="fas fa-calendar-alt mr-1"></i>
                            {% if date_range.min_date and date_range.max_date %}
                                {{ date_range.min_date.strftime('%Y-%m-%d') }} - {{ date_range.max_date.strftime('%Y-%m-%d') }}
                            {% elif date_range.min_date %}
                                From {{ date_range.min_date.strftime('%Y-%m-%d') }}
                            {% elif date_range.max_date %}
                                Until {{ date_range.max_date.strftime('%Y-%m-%d') }}
                            {% endif %}
                        </span>
                    {% endif %}
                {% else %}
                    <span>No records</span>
                {% endif %}
            </div>
        </div>
    </div>
    <div class="card-body">
        {% if costs %}
            <div class="table-responsive">
                <table class="table table-striped">
                    <thead>
                        <tr>
                            <th>Fuel Type</th>
                            <th>Units</th>
                            <th>Price</th>
                            <th>Price/Unit</th>
                            <th>From Date</th>
                            <th>To Date</th>
                            <th>Status</th>
                            <th>Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for cost in costs %}
                            <tr>
                                <td>
                                    <a href="{{ url_for('fueltypes.show_fuel_type', id=cost.fueltypeid.fueltypeid) }}">
                                        {{ cost.fueltypeid.name }}
                                    </a>
                                </td>
                                <td>{{ cost.unit }} {{ cost.fueltypeid.unit_name }}</td>
                                <td><strong>{{ cost.price }}</strong></td>
                                <td>{{ "%.2f"|format(cost.price / cost.unit) }} / {{ cost.fueltypeid.unit_name }}</td>
                                <td>{{ cost.from_date.strftime('%Y-%m-%d %H:%M') if cost.from_date else "-" }}</td>
                                <td>{{ cost.to_date.strftime('%Y-%m-%d %H:%M') if cost.to_date else "-" }}</td>
                                <td>
                                    {% if cost.is_current %}
                                        <span class="badge badge-success">Current</span>
                                    {% else %}
                                        <span class="badge badge-secondary">Inactive</span>
                                    {% endif %}
                                </td>
                                <td>
                                    <div class="btn-group btn-group-sm">
                                        <a href="{{ url_for('fuelcosts.edit_fuel_cost', id=cost.fuelcostid) }}" class="btn btn-primary">
                                            <i class="fas fa-edit"></i>
                                        </a>
                                        <button type="button" class="btn btn-danger" data-toggle="modal" data-target="#deleteModal{{ cost.fuelcostid }}">
                                            <i class="fas fa-trash"></i>
                                        </button>
                                    </div>
                                    
                                    <!-- Delete Modal -->
                                    <div class="modal fade" id="deleteModal{{ cost.fuelcostid }}" tabindex="-1" role="dialog" aria-labelledby="deleteModalLabel{{ cost.fuelcostid }}" aria-hidden="true">
                                        <div class="modal-dialog" role="document">
                                            <div class="modal-content">
                                                <div class="modal-header">
                                                    <h5 class="modal-title" id="deleteModalLabel{{ cost.fuelcostid }}">Confirm Delete</h5>
                                                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                                                        <span aria-hidden="true">&times;</span>
                                                    </button>
                                                </div>
                                                <div class="modal-body">
                                                    Are you sure you want to delete this price record for <strong>{{ cost.fueltypeid.name }}</strong>?
                                                    <br><br>
                                                    This action cannot be undone.
                                                </div>
                                                <div class="modal-footer">
                                                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
                                                    <form action="{{ url_for('fuelcosts.delete_fuel_cost', id=cost.fuelcostid) }}" method="post">
                                                        <button type="submit" class="btn btn-danger">Delete</button>
                                                    </form>
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                </td>
                            </tr>
                        {% endfor %}
                    </tbody>
                </table>
                {% if total_count > 100 %}
                    <a href="{{ url_for('fuelcosts.fuel_costs') }}" class="list-group-item list-group-item-action text-center text-primary">
                        <i class="fas fa-list mr-1"></i>View all {{ total_count }} records
                    </a>
                {% endif %}
            </div>
        {% else %}
            <div class="alert alert-info">
                <i class="fas fa-info-circle mr-2"></i>
                No fuel cost records found. 
                <a href="{{ url_for('fuelcosts.new_fuel_cost') }}">Add a fuel cost record</a> to get started.
            </div>
        {% endif %}
    </div>
</div>
{% endblock %}