{% extends "base.html" %}
{% load static %}

{% block title %}Delete {{ object.item_name }} - Inventory{% endblock %}

{% block content %}
<!-- BEGIN breadcrumb -->
<ol class="breadcrumb float-xl-end">
    <li class="breadcrumb-item"><a href="{% url 'core:dashboard' %}">Dashboard</a></li>
    <li class="breadcrumb-item"><a href="{% url 'inventory:dashboard' %}">Inventory</a></li>
    <li class="breadcrumb-item"><a href="{% url 'inventory:item_list' %}">Items</a></li>
    <li class="breadcrumb-item active">Delete Confirmation</li>
</ol>
<!-- END breadcrumb -->

<!-- BEGIN page-header -->
<h1 class="page-header">
    Delete Inventory Item
    <small>Confirmation Required</small>
</h1>
<!-- END page-header -->

<div class="row justify-content-center">
    <div class="col-xl-8">
        <!-- BEGIN panel -->
        <div class="panel panel-inverse">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <i class="fa fa-exclamation-triangle text-warning me-2"></i>
                    Confirm Item Deletion
                </h4>
            </div>
            <div class="panel-body">
                <!-- Warning Alert -->
                <div class="alert alert-warning d-flex align-items-center mb-4">
                    <i class="fa fa-exclamation-triangle fa-2x me-3"></i>
                    <div>
                        <h6 class="alert-heading mb-1">Warning: Permanent Deletion</h6>
                        <p class="mb-0">You are about to permanently delete an inventory item. This action cannot be undone and may affect inventory tracking, purchase orders, and historical data.</p>
                    </div>
                </div>

                <!-- Item Information -->
                <div class="row mb-4">
                    <div class="col-md-6">
                        <h6 class="mb-3">Item Details</h6>
                        <table class="table table-borderless">
                            <tr>
                                <td class="fw-bold" width="140">Item Code:</td>
                                <td><code>{{ object.item_code }}</code></td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Item Name:</td>
                                <td>{{ object.item_name }}</td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Category:</td>
                                <td>
                                    <span class="badge bg-secondary">{{ object.get_category_display }}</span>
                                    {% if object.subcategory %}
                                    <br><small class="text-muted">{{ object.subcategory }}</small>
                                    {% endif %}
                                </td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Item Type:</td>
                                <td>
                                    <span class="badge bg-{{ object.get_item_type_color }}">{{ object.get_item_type_display }}</span>
                                </td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Manufacturer:</td>
                                <td>{{ object.manufacturer|default:"Not specified" }}</td>
                            </tr>
                        </table>
                    </div>
                    <div class="col-md-6">
                        <h6 class="mb-3">Current Status</h6>
                        <table class="table table-borderless">
                            <tr>
                                <td class="fw-bold" width="140">Current Stock:</td>
                                <td>
                                    <span class="fw-bold {% if object.current_stock > 0 %}text-success{% else %}text-muted{% endif %}">
                                        {{ object.current_stock }} {{ object.get_unit_of_measure_display }}
                                    </span>
                                </td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Total Value:</td>
                                <td class="fw-bold text-success">${{ object.total_value|floatformat:2 }}</td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Active Status:</td>
                                <td>
                                    <span class="badge bg-{{ object.is_active|yesno:'success,secondary' }}">
                                        {{ object.is_active|yesno:'Active,Inactive' }}
                                    </span>
                                </td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Created:</td>
                                <td>{{ object.created_at|date:"M d, Y" }}</td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Last Updated:</td>
                                <td>{{ object.updated_at|date:"M d, Y" }}</td>
                            </tr>
                        </table>
                    </div>
                </div>

                <!-- Impact Assessment -->
                <div class="alert alert-info mb-4">
                    <h6 class="alert-heading">
                        <i class="fa fa-info-circle me-2"></i>Impact Assessment
                    </h6>
                    <ul class="mb-0">
                        <li><strong>Inventory Records:</strong> All stock records for this item will be permanently deleted</li>
                        <li><strong>Transaction History:</strong> All transaction history for this item will be lost</li>
                        <li><strong>Purchase Orders:</strong> May affect existing purchase orders that reference this item</li>
                        <li><strong>Reporting:</strong> Historical reports may show incomplete data</li>
                        {% if object.current_stock > 0 %}
                        <li><strong>Current Stock:</strong> <span class="text-warning fw-bold">{{ object.current_stock }} units will be removed from inventory</span></li>
                        {% endif %}
                        {% if object.controlled_substance %}
                        <li><strong>Controlled Substance:</strong> <span class="text-danger fw-bold">This is a controlled substance - deletion may affect compliance tracking</span></li>
                        {% endif %}
                    </ul>
                </div>

                <!-- Stock Warning -->
                {% if object.current_stock > 0 %}
                <div class="alert alert-danger mb-4">
                    <h6 class="alert-heading">
                        <i class="fa fa-exclamation-triangle me-2"></i>Stock Level Warning
                    </h6>
                    <p class="mb-2">This item currently has <strong>{{ object.current_stock }} {{ object.get_unit_of_measure_display }}</strong> in stock with a total value of <strong>${{ object.total_value|floatformat:2 }}</strong>.</p>
                    <p class="mb-0"><strong>Deleting this item will remove all stock from inventory without any transaction record.</strong></p>
                </div>
                {% endif %}

                <!-- Controlled Substance Warning -->
                {% if object.controlled_substance %}
                <div class="alert alert-danger mb-4">
                    <h6 class="alert-heading">
                        <i class="fa fa-shield-alt me-2"></i>Controlled Substance Alert
                    </h6>
                    <p class="mb-2">This item is classified as a controlled substance ({{ object.get_dea_schedule_display }}).</p>
                    <p class="mb-0"><strong>Deletion may affect DEA compliance tracking and audit trails. Ensure proper documentation before proceeding.</strong></p>
                </div>
                {% endif %}

                <!-- Related Data Summary -->
                <div class="row mb-4">
                    <div class="col-md-3">
                        <div class="text-center p-3 border rounded">
                            <div class="fs-24px fw-bold text-primary">{{ stock_locations_count }}</div>
                            <div class="small text-muted">Stock Locations</div>
                        </div>
                    </div>
                    <div class="col-md-3">
                        <div class="text-center p-3 border rounded">
                            <div class="fs-24px fw-bold text-info">{{ transaction_count }}</div>
                            <div class="small text-muted">Transactions</div>
                        </div>
                    </div>
                    <div class="col-md-3">
                        <div class="text-center p-3 border rounded">
                            <div class="fs-24px fw-bold text-warning">{{ purchase_order_count }}</div>
                            <div class="small text-muted">Purchase Orders</div>
                        </div>
                    </div>
                    <div class="col-md-3">
                        <div class="text-center p-3 border rounded">
                            <div class="fs-24px fw-bold text-secondary">{{ adjustment_count }}</div>
                            <div class="small text-muted">Adjustments</div>
                        </div>
                    </div>
                </div>

                <!-- Alternative Actions -->
                <div class="card border-secondary mb-4">
                    <div class="card-header bg-light">
                        <h6 class="card-title mb-0">
                            <i class="fa fa-lightbulb me-2"></i>Alternative Actions
                        </h6>
                    </div>
                    <div class="card-body">
                        <p class="card-text">Consider these alternatives instead of deletion:</p>
                        <div class="row">
                            <div class="col-md-6">
                                <ul class="list-unstyled">
                                    <li class="mb-2">
                                        <i class="fa fa-ban text-warning me-2"></i>
                                        <a href="{% url 'inventory:item_deactivate' object.pk %}" class="text-decoration-none">
                                            Deactivate the item instead of deleting
                                        </a>
                                    </li>
                                    <li class="mb-2">
                                        <i class="fa fa-edit text-primary me-2"></i>
                                        <a href="{% url 'inventory:item_update' object.pk %}" class="text-decoration-none">
                                            Edit item information
                                        </a>
                                    </li>
                                </ul>
                            </div>
                            <div class="col-md-6">
                                <ul class="list-unstyled">
                                    <li class="mb-2">
                                        <i class="fa fa-archive text-info me-2"></i>
                                        Archive the item for historical reference
                                    </li>
                                    <li class="mb-2">
                                        <i class="fa fa-exchange-alt text-success me-2"></i>
                                        Transfer stock to another item
                                    </li>
                                </ul>
                            </div>
                        </div>
                    </div>
                </div>

                <!-- Confirmation Form -->
                <form method="post" id="delete-form">
                    {% csrf_token %}
                    
                    <div class="card border-danger">
                        <div class="card-header bg-danger text-white">
                            <h6 class="card-title mb-0">
                                <i class="fa fa-trash me-2"></i>Deletion Confirmation
                            </h6>
                        </div>
                        <div class="card-body">
                            <div class="form-check mb-3">
                                <input class="form-check-input" type="checkbox" id="confirm-understanding" required>
                                <label class="form-check-label" for="confirm-understanding">
                                    I understand that this action will permanently delete the inventory item and cannot be undone
                                </label>
                            </div>
                            
                            <div class="form-check mb-3">
                                <input class="form-check-input" type="checkbox" id="confirm-impact" required>
                                <label class="form-check-label" for="confirm-impact">
                                    I acknowledge the impact on inventory records, transactions, and reporting
                                </label>
                            </div>
                            
                            {% if object.current_stock > 0 %}
                            <div class="form-check mb-3">
                                <input class="form-check-input" type="checkbox" id="confirm-stock" required>
                                <label class="form-check-label" for="confirm-stock">
                                    I acknowledge that {{ object.current_stock }} units of stock will be permanently removed from inventory
                                </label>
                            </div>
                            {% endif %}
                            
                            {% if object.controlled_substance %}
                            <div class="form-check mb-3">
                                <input class="form-check-input" type="checkbox" id="confirm-controlled" required>
                                <label class="form-check-label" for="confirm-controlled">
                                    I acknowledge that this is a controlled substance and understand the compliance implications
                                </label>
                            </div>
                            {% endif %}
                            
                            <div class="mb-3">
                                <label class="form-label">Reason for Deletion <span class="text-danger">*</span></label>
                                <select class="form-select" name="deletion_reason" required>
                                    <option value="">Select reason...</option>
                                    <option value="DUPLICATE_ITEM">Duplicate item</option>
                                    <option value="INCORRECT_ENTRY">Incorrect entry</option>
                                    <option value="DISCONTINUED">Item discontinued</option>
                                    <option value="REPLACED">Replaced by another item</option>
                                    <option value="DATA_CLEANUP">Data cleanup</option>
                                    <option value="COMPLIANCE">Compliance requirement</option>
                                    <option value="OTHER">Other</option>
                                </select>
                            </div>
                            
                            <div class="mb-3">
                                <label class="form-label">Additional Notes</label>
                                <textarea class="form-control" name="deletion_notes" rows="3" 
                                         placeholder="Provide additional details about why this deletion is necessary..."></textarea>
                            </div>
                            
                            {% if object.current_stock > 0 %}
                            <div class="mb-3">
                                <label class="form-label">Stock Disposition <span class="text-danger">*</span></label>
                                <select class="form-select" name="stock_disposition" required>
                                    <option value="">Select disposition...</option>
                                    <option value="WRITE_OFF">Write off as loss</option>
                                    <option value="TRANSFER">Transfer to another item</option>
                                    <option value="RETURN">Return to supplier</option>
                                    <option value="DISPOSE">Dispose/destroy</option>
                                    <option value="OTHER">Other</option>
                                </select>
                            </div>
                            {% endif %}
                        </div>
                    </div>

                    <!-- Action Buttons -->
                    <div class="d-flex justify-content-between mt-4">
                        <div>
                            <a href="{% url 'inventory:item_detail' object.pk %}" class="btn btn-secondary">
                                <i class="fa fa-arrow-left me-2"></i>Cancel
                            </a>
                            <a href="{% url 'inventory:item_deactivate' object.pk %}" class="btn btn-warning ms-2">
                                <i class="fa fa-ban me-2"></i>Deactivate Instead
                            </a>
                        </div>
                        <button type="submit" class="btn btn-danger" id="delete-btn" disabled>
                            <i class="fa fa-trash me-2"></i>Permanently Delete Item
                        </button>
                    </div>
                </form>
            </div>
        </div>
        <!-- END panel -->
    </div>
</div>
{% endblock %}

{% block js %}
<script>
$(document).ready(function() {
    // Enable/disable delete button based on checkboxes
    function updateDeleteButton() {
        var allChecked = true;
        $('input[type="checkbox"][required]').each(function() {
            if (!$(this).is(':checked')) {
                allChecked = false;
                return false;
            }
        });
        
        var reasonSelected = $('select[name="deletion_reason"]').val() !== '';
        {% if object.current_stock > 0 %}
        var stockDispositionSelected = $('select[name="stock_disposition"]').val() !== '';
        {% else %}
        var stockDispositionSelected = true;
        {% endif %}
        
        $('#delete-btn').prop('disabled', !(allChecked && reasonSelected && stockDispositionSelected));
    }
    
    // Check on checkbox change
    $('input[type="checkbox"], select[name="deletion_reason"], select[name="stock_disposition"]').on('change', updateDeleteButton);
    
    // Form submission confirmation
    $('#delete-form').on('submit', function(e) {
        var confirmText = 'Are you absolutely sure you want to permanently delete "{{ object.item_name }}"?';
        {% if object.current_stock > 0 %}
        confirmText += '\n\nThis will remove {{ object.current_stock }} units from inventory.';
        {% endif %}
        confirmText += '\n\nThis action cannot be undone.';
        
        if (!confirm(confirmText)) {
            e.preventDefault();
        }
    });
    
    // Auto-focus on first checkbox
    $('#confirm-understanding').focus();
});
</script>
{% endblock %}