{% extends 'base.html' %}
{% load indonesian_filters %}

{% block title %}Stock Transfer - Manufacturing App{% endblock %}

{% block content %}
<div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
    <h1 class="h2">Stock Transfer</h1>
    <div class="btn-toolbar mb-2 mb-md-0">
        <a href="{% url 'inventory:movement_list' %}" class="btn btn-outline-secondary">
            <i class="fas fa-arrow-left"></i> Back to Movements
        </a>
    </div>
</div>

<div class="row justify-content-center">
    <div class="col-lg-8">
        <div class="card">
            <div class="card-header bg-info text-white">
                <h5 class="mb-0">
                    <i class="fas fa-exchange-alt"></i> Transfer Stock Between Warehouses
                </h5>
            </div>
            <div class="card-body">
                <form method="post" class="needs-validation" novalidate>
                    {% csrf_token %}

                    <div class="mb-3">
                        <label for="product" class="form-label">Product *</label>
                        <select name="product" id="product" class="form-select" required>
                            <option value="">Select Product</option>
                            {% for product in products %}
                            <option value="{{ product.id }}">{{ product.name }} ({{ product.code }})</option>
                            {% endfor %}
                        </select>
                        <div class="invalid-feedback">Please select a product</div>
                    </div>

                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label for="from_warehouse" class="form-label">From Warehouse *</label>
                            <select name="from_warehouse" id="from_warehouse" class="form-select" required>
                                <option value="">Select Source Warehouse</option>
                                {% for warehouse in warehouses %}
                                <option value="{{ warehouse.id }}">{{ warehouse.name }}</option>
                                {% endfor %}
                            </select>
                            <div class="invalid-feedback">Please select source warehouse</div>
                        </div>

                        <div class="col-md-6 mb-3">
                            <label for="to_warehouse" class="form-label">To Warehouse *</label>
                            <select name="to_warehouse" id="to_warehouse" class="form-select" required>
                                <option value="">Select Destination Warehouse</option>
                                {% for warehouse in warehouses %}
                                <option value="{{ warehouse.id }}">{{ warehouse.name }}</option>
                                {% endfor %}
                            </select>
                            <div class="invalid-feedback">Please select destination warehouse</div>
                        </div>
                    </div>

                    <div class="mb-3">
                        <label for="quantity" class="form-label">Quantity *</label>
                        <input type="text" name="quantity" id="quantity" class="form-control"
                               placeholder="0.00" required pattern="[0-9]+([,\.][0-9]+)?"
                               title="Enter a valid number (use comma or dot as decimal separator)">
                        <div class="invalid-feedback">Please enter a valid quantity</div>
                        <div class="form-text">Use comma (,) as decimal separator for Indonesian format</div>
                    </div>

                    <div class="mb-3">
                        <label for="notes" class="form-label">Notes</label>
                        <textarea name="notes" id="notes" class="form-control" rows="3"
                                  placeholder="Optional notes about this stock transfer..."></textarea>
                    </div>

                    <div class="d-grid gap-2 d-md-flex justify-content-md-end">
                        <a href="{% url 'inventory:movement_list' %}" class="btn btn-secondary me-md-2">Cancel</a>
                        <button type="submit" class="btn btn-info">
                            <i class="fas fa-save"></i> Transfer Stock
                        </button>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>

<div class="row mt-4">
    <div class="col-12">
        <div class="card">
            <div class="card-header">
                <h6 class="mb-0">Instructions</h6>
            </div>
            <div class="card-body">
                <ul class="mb-0">
                    <li>Select the product you want to transfer</li>
                    <li>Choose the source warehouse (from where to take the stock)</li>
                    <li>Choose the destination warehouse (where to move the stock)</li>
                    <li>Enter the quantity to transfer (use comma as decimal separator)</li>
                    <li>System will verify sufficient stock in source warehouse</li>
                    <li>Source and destination warehouses must be different</li>
                    <li>Add optional notes for reference</li>
                    <li>Click "Transfer Stock" to complete the transaction</li>
                </ul>
            </div>
        </div>
    </div>
</div>
{% endblock %}