{% extends "base.html" %}

{% block title %}{{ gettext('Loan Tablet') }}{% endblock %}

{% block content %}
<div class="max-w-2xl mx-auto space-y-6">
    {# Page Header #}
    <div>
        <h1 class="text-2xl font-bold text-gray-900">{{ gettext('Loan Tablet') }}</h1>
        <p class="text-gray-600 mt-1">{{ gettext('Loan a tablet to a user or student') }}</p>
    </div>

    {# Loan Form #}
    <div class="bg-white rounded-lg shadow overflow-hidden">
        <div class="bg-cobalt-600 px-6 py-4">
            <h2 class="text-lg font-semibold text-white">{{ gettext('Loan Information') }}</h2>
        </div>
        <div class="p-6">
            <form method="POST" action="/loan_tablet" class="space-y-6">
                {# Tablet Selection #}
                <div>
                    <label for="tablet_id" class="block text-sm font-medium text-gray-700 mb-1">{{ gettext('Tablet') }} *</label>
                    <input type="text" id="tablet_search" 
                           class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-cobalt-500 focus:border-cobalt-500 mb-2"
                           placeholder="{{ gettext('Search tablets (brand, model, or serial)...') }}"
                           onkeyup="filterDropdown('tablet_search', 'tablet_id')">
                    <select id="tablet_id" name="tablet_id" required size="5"
                            class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-cobalt-500 focus:border-cobalt-500"
                            style="max-height: 200px; overflow-y: auto;">
                        <option value="">{{ gettext('Select a tablet') }}</option>
                        {% for tablet in available_tablets %}
                        <option value="{{ tablet.id }}"
                                data-search="{{ tablet.brand|lower }} {{ tablet.model|lower }} {{ tablet.serial_number|lower }}">
                            {{ tablet.brand }} {{ tablet.model }} ({{ tablet.serial_number }})
                        </option>
                        {% endfor %}
                    </select>
                    <p class="mt-1 text-sm text-gray-500">{{ gettext('Select which tablet to loan') }}</p>
                </div>
                
                {# User Selection (Staff) #}
                <div>
                    <label for="user_id" class="block text-sm font-medium text-gray-700 mb-1">{{ gettext('Staff User') }} *</label>
                    <input type="text" id="user_search" 
                           class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-cobalt-500 focus:border-cobalt-500 mb-2"
                           placeholder="{{ gettext('Search users (name or ID)...') }}"
                           onkeyup="filterDropdown('user_search', 'user_id')">
                    <select id="user_id" name="user_id" required size="5"
                            class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-cobalt-500 focus:border-cobalt-500"
                            style="max-height: 200px; overflow-y: auto;">
                        <option value="">{{ gettext('Select a user') }}</option>
                        {% for user in users %}
                        <option value="{{ user.id }}"
                                data-search="{{ user.name|lower }} {{ user.identification|lower }}">
                            {{ user.name }} ({{ user.identification }})
                        </option>
                        {% endfor %}
                    </select>
                    <p class="mt-1 text-sm text-gray-500">{{ gettext('Select the staff member processing the loan') }}</p>
                </div>
                
                {# Student Selection (Optional) #}
                <div>
                    <label for="student_id" class="block text-sm font-medium text-gray-700 mb-1">{{ gettext('Student (Optional)') }}</label>
                    <input type="text" id="student_search" 
                           class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-cobalt-500 focus:border-cobalt-500 mb-2"
                           placeholder="{{ gettext('Search students (name, CIAL, or NIF)...') }}"
                           onkeyup="filterDropdown('student_search', 'student_id')">
                    <select id="student_id" name="student_id" size="5"
                            class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-cobalt-500 focus:border-cobalt-500"
                            style="max-height: 200px; overflow-y: auto;">
                        <option value="">{{ gettext('Select a student (optional)') }}</option>
                        {% for student in students %}
                        <option value="{{ student.id }}"
                                data-search="{{ student.last_name|lower }} {{ student.first_name|lower }} {{ student.cial_code|lower }} {{ student.nif_nie_passport|lower }}">
                            {{ student.last_name }}, {{ student.first_name }} ({{ student.cial_code }})
                        </option>
                        {% endfor %}
                    </select>
                    <p class="mt-1 text-sm text-gray-500">{{ gettext('Optionally associate this loan with a student') }}</p>
                </div>
                
                {# Form Actions #}
                <div class="flex justify-end gap-3 pt-4 border-t border-gray-200">
                    <a href="/" 
                       class="inline-flex items-center gap-2 px-4 py-2 bg-gray-200 text-gray-700 rounded-lg hover:bg-gray-300 transition-colors">
                        <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>
                        </svg>
                        {{ gettext('Cancel') }}
                    </a>
                    <button type="submit" 
                            class="inline-flex items-center gap-2 px-4 py-2 bg-cobalt-600 text-white rounded-lg hover:bg-cobalt-700 transition-colors">
                        <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"></path>
                        </svg>
                        {{ gettext('Loan Tablet') }}
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>

<script>
    function filterDropdown(searchId, selectId) {
        const search = document.getElementById(searchId).value.toLowerCase();
        const select = document.getElementById(selectId);
        const options = select.options;

        for (let i = 1; i < options.length; i++) {
            const searchText = options[i].getAttribute('data-search') || '';
            options[i].style.display = searchText.includes(search) ? '' : 'none';
        }

        // Show first visible option if search is empty, otherwise keep selection
        if (search === '') {
            select.selectedIndex = 0;
        }
    }
</script>
{% endblock %}