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

{% block title %}{{ module_title }}{% endblock %}

{% block content %}
<div class="container-fluid">
    <div class="row">
        <div class="col-12">
            <div class="card">
                <div class="card-header">
                    <h4 class="card-title mb-0">
                        <i class="fas fa-industry me-2"></i>{{ module_title }}
                    </h4>
                </div>
                <div class="card-body">
                    <form method="post" class="needs-validation" novalidate>
                        {% csrf_token %}

                        <!-- MO Details -->
                        <div class="row">
                            <div class="col-md-6">
                                <div class="mb-3">
                                    <label for="{{ form.mo_number.id_for_label }}" class="form-label">MO Number</label>
                                    {{ form.mo_number }}
                                    {% if form.mo_number.errors %}
                                        <div class="invalid-feedback">
                                            {% for error in form.mo_number.errors %}{{ error }}{% endfor %}
                                        </div>
                                    {% endif %}
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="mb-3">
                                    <label for="{{ form.bom.id_for_label }}" class="form-label">Bill of Material</label>
                                    {{ form.bom }}
                                    {% if form.bom.errors %}
                                        <div class="invalid-feedback">
                                            {% for error in form.bom.errors %}{{ error }}{% endfor %}
                                        </div>
                                    {% endif %}
                                </div>
                            </div>
                        </div>

                        <div class="row">
                            <div class="col-md-4">
                                <div class="mb-3">
                                    <label for="{{ form.quantity_to_produce.id_for_label }}" class="form-label">Quantity to Produce</label>
                                    {{ form.quantity_to_produce }}
                                    {% if form.quantity_to_produce.errors %}
                                        <div class="invalid-feedback">
                                            {% for error in form.quantity_to_produce.errors %}{{ error }}{% endfor %}
                                        </div>
                                    {% endif %}
                                </div>
                            </div>
                            <div class="col-md-4">
                                <div class="mb-3">
                                    <label for="{{ form.scheduled_start_date.id_for_label }}" class="form-label">Scheduled Start Date</label>
                                    {{ form.scheduled_start_date }}
                                    {% if form.scheduled_start_date.errors %}
                                        <div class="invalid-feedback">
                                            {% for error in form.scheduled_start_date.errors %}{{ error }}{% endfor %}
                                        </div>
                                    {% endif %}
                                </div>
                            </div>
                            <div class="col-md-4">
                                <div class="mb-3">
                                    <label for="{{ form.scheduled_end_date.id_for_label }}" class="form-label">Scheduled End Date</label>
                                    {{ form.scheduled_end_date }}
                                    {% if form.scheduled_end_date.errors %}
                                        <div class="invalid-feedback">
                                            {% for error in form.scheduled_end_date.errors %}{{ error }}{% endfor %}
                                        </div>
                                    {% endif %}
                                </div>
                            </div>
                        </div>

                        <!-- MO Components Formset -->
                        <div class="card mt-4">
                            <div class="card-header">
                                <h5 class="mb-0">Required Components</h5>
                                <small class="text-muted">Components will be automatically populated from the selected BOM</small>
                            </div>
                            <div class="card-body">
                                {{ formset.management_form }}

                                <div id="mo-components">
                                    {% for form in formset %}
                                        <div class="mo-component mb-3 p-3 border rounded">
                                            <div class="row">
                                                <div class="col-md-6">
                                                    <label class="form-label">Component</label>
                                                    {{ form.component }}
                                                    {% if form.component.errors %}
                                                        <div class="invalid-feedback">
                                                            {% for error in form.component.errors %}{{ error }}{% endfor %}
                                                        </div>
                                                    {% endif %}
                                                </div>
                                                <div class="col-md-4">
                                                    <label class="form-label">Required Quantity</label>
                                                    {{ form.required_quantity }}
                                                    {% if form.required_quantity.errors %}
                                                        <div class="invalid-feedback">
                                                            {% for error in form.required_quantity.errors %}{{ error }}{% endfor %}
                                                        </div>
                                                    {% endif %}
                                                </div>
                                                <div class="col-md-2">
                                                    <label class="form-label">&nbsp;</label>
                                                    <button type="button" class="btn btn-danger btn-sm remove-component">
                                                        <i class="fas fa-trash"></i>
                                                    </button>
                                                </div>
                                            </div>
                                            {{ form.id }}
                                            {% if form.DELETE %}
                                                {{ form.DELETE }}
                                            {% endif %}
                                        </div>
                                    {% endfor %}
                                </div>

                                <button type="button" class="btn btn-success btn-sm" id="add-component">
                                    <i class="fas fa-plus me-1"></i>Add Component
                                </button>
                            </div>
                        </div>

                        <!-- Form Actions -->
                        <div class="mt-4">
                            <button type="submit" class="btn btn-primary">
                                <i class="fas fa-save me-2"></i>Save Manufacturing Order
                            </button>
                            <a href="{% url 'manufacturing:mo_list' %}" class="btn btn-secondary ms-2">
                                <i class="fas fa-times me-2"></i>Cancel
                            </a>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    // Auto-populate components when BOM changes
    const bomSelect = document.getElementById('{{ form.bom.id_for_label }}');
    const quantityInput = document.getElementById('{{ form.quantity_to_produce.id_for_label }}');

    function populateComponents() {
        if (bomSelect.value && quantityInput.value) {
            // This would typically make an AJAX call to get BOM components
            // For now, we'll rely on the formset being populated server-side
            console.log('BOM and quantity selected - components should be populated');
        }
    }

    if (bomSelect) {
        bomSelect.addEventListener('change', populateComponents);
    }
    if (quantityInput) {
        quantityInput.addEventListener('change', populateComponents);
    }

    // Add new MO component
    document.getElementById('add-component').addEventListener('click', function() {
        const container = document.getElementById('mo-components');
        const totalForms = document.getElementById('id_mocomponent_set-TOTAL_FORMS');
        const formNum = parseInt(totalForms.value);

        // Create new form
        const newForm = document.querySelector('.mo-component').cloneNode(true);

        // Clear values
        const inputs = newForm.querySelectorAll('input, select');
        inputs.forEach(input => {
            if (input.type === 'checkbox') {
                input.checked = false;
            } else {
                input.value = '';
            }
        });

        // Update form indices
        const regex = new RegExp(`mocomponent_set-(\\d+)-`, 'g');
        newForm.innerHTML = newForm.innerHTML.replace(regex, `mocomponent_set-${formNum}-`);

        container.appendChild(newForm);
        totalForms.value = formNum + 1;
    });

    // Remove MO component
    document.addEventListener('click', function(e) {
        if (e.target.classList.contains('remove-component') || e.target.closest('.remove-component')) {
            const component = e.target.closest('.mo-component');
            const deleteCheckbox = component.querySelector('input[type="checkbox"][name$="-DELETE"]');
            if (deleteCheckbox) {
                deleteCheckbox.checked = true;
                component.style.display = 'none';
            } else {
                component.remove();
            }
        }
    });
});
</script>
{% endblock %}