{% extends "base.html" %}

{% block title %}Occupy Station - {{ station.name }}{% endblock %}

{% block content %}
<div class="container mt-4">
    <div class="row">
        <div class="col-md-8 offset-md-2">
            <div class="card">
                <div class="card-header">
                    <h4>Occupy Station: {{ station.name }}</h4>
                </div>
                <div class="card-body">
                    <div class="mb-3">
                        <h5>Station Details</h5>
                        <p><strong>Description:</strong> {{ station.description }}</p>
                        <p><strong>Lab:</strong> {{ station.lab.name }}</p>
                        <p><strong>Status:</strong> 
                            {% if station.is_functional %}
                                <span class="badge bg-success">Functional</span>
                            {% else %}
                                <span class="badge bg-danger">Non-functional</span>
                            {% endif %}
                        </p>
                    </div>

                    {% if not station.is_functional %}
                        <div class="alert alert-warning">
                            <strong>Warning:</strong> This station is marked as non-functional. Please contact an administrator.
                        </div>
                    {% else %}
                        <form method="POST">
                            <div class="mb-3">
                                <label class="form-label">Occupation Type</label>
                                <div class="form-check">
                                    <input class="form-check-input" type="radio" name="occupation_type" id="duration" value="duration" checked>
                                    <label class="form-check-label" for="duration">
                                        Duration-based (specify hours)
                                    </label>
                                </div>
                                <div class="form-check">
                                    <input class="form-check-input" type="radio" name="occupation_type" id="until" value="until">
                                    <label class="form-check-label" for="until">
                                        Until specific time
                                    </label>
                                </div>
                            </div>

                            <div class="mb-3" id="duration-section">
                                <label for="duration_hours" class="form-label">Duration (hours)</label>
                                <select class="form-select" id="duration_hours" name="duration_hours">
                                    <option value="1">1 hour</option>
                                    <option value="2">2 hours</option>
                                    <option value="3">3 hours</option>
                                    <option value="4">4 hours</option>
                                    <option value="6">6 hours</option>
                                    <option value="8">8 hours</option>
                                    <option value="12">12 hours</option>
                                    <option value="24">24 hours</option>
                                </select>
                            </div>

                            <div class="mb-3" id="until-section" style="display: none;">
                                <label for="occupation_until" class="form-label">End Time</label>
                                <input type="datetime-local" class="form-control" id="occupation_until" name="occupation_until">
                            </div>

                            <div class="d-grid gap-2">
                                <button type="submit" class="btn btn-primary">
                                    <span class="spinner-border spinner-border-sm me-2" role="status" aria-hidden="true" style="display: none;"></span>
                                    Occupy Station
                                </button>
                                <a href="{{ url_for('station_detail', station_id=station.id) }}" class="btn btn-secondary">Cancel</a>
                            </div>
                        </form>
                    {% endif %}
                </div>
            </div>
        </div>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const durationRadio = document.getElementById('duration');
    const untilRadio = document.getElementById('until');
    const durationSection = document.getElementById('duration-section');
    const untilSection = document.getElementById('until-section');

    // Set minimum datetime-local value to current time
    const now = new Date();
    const localDateTime = new Date(now.getTime() - now.getTimezoneOffset() * 60000).toISOString().slice(0, 16);
    document.getElementById('occupation_until').min = localDateTime;

    // Handle radio button changes
    durationRadio.addEventListener('change', function() {
        if (this.checked) {
            durationSection.style.display = 'block';
            untilSection.style.display = 'none';
        }
    });

    untilRadio.addEventListener('change', function() {
        if (this.checked) {
            durationSection.style.display = 'none';
            untilSection.style.display = 'block';
        }
    });

    // Form submission with loading state
    const form = document.querySelector('form');
    const submitBtn = form.querySelector('button[type="submit"]');
    const spinner = submitBtn.querySelector('.spinner-border');

    form.addEventListener('submit', function() {
        submitBtn.disabled = true;
        spinner.style.display = 'inline-block';
        submitBtn.innerHTML = '<span class="spinner-border spinner-border-sm me-2" role="status" aria-hidden="true"></span>Occupying...';
    });
});
</script>
{% endblock %}