{% extends 'layouts/base.html' %}
{% load i18n static %}
{% load standards_filters %}

{% block title %}{% trans "Department Standards" %} - {{ department.name }}{% endblock %}

{% block extra_css %}
<style>
    :root {
        --hh-navy: #005696;
        --hh-blue: #007bbd;
        --hh-light: #eef6fb;
        --hh-slate: #64748b;
    }

    .page-header-gradient {
        background: linear-gradient(135deg, var(--hh-navy) 0%, #0069a8 50%, var(--hh-blue) 100%);
        color: white;
        padding: 1.5rem 2rem;
        border-radius: 1rem;
        margin-bottom: 1.5rem;
        box-shadow: 0 10px 15px -3px rgba(0, 86, 150, 0.2);
    }

    .section-card {
        background: white;
        border-radius: 1rem;
        border: 2px solid #e2e8f0;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        overflow: hidden;
        transition: all 0.3s ease;
    }
    .section-card:hover {
        border-color: #005696;
        box-shadow: 0 10px 25px -5px rgba(0, 86, 150, 0.15);
    }

    .section-header {
        padding: 1rem 1.5rem;
        border-bottom: 2px solid #e2e8f0;
        background: linear-gradient(to right, #f8fafc, #f1f5f9);
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .section-icon {
        width: 40px;
        height: 40px;
        border-radius: 0.75rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .btn-transition {
        transition: all 0.2s ease-in-out;
    }
</style>
{% endblock %}

{% block content %}
<!-- CSRF token for AJAX requests -->
<meta name="csrf-token" content="{{ csrf_token }}">
<script>
window.CSRF_TOKEN = '{{ csrf_token }}';
</script>

<div class="px-6 py-4">
    <div class="page-header-gradient">
        <div class="flex justify-between items-center">
            <div>
                <h1 class="text-2xl font-bold mb-1">{{ department.name }}</h1>
                <p class="text-blue-100 text-sm">{% trans "Standards Compliance" %}</p>
            </div>
            <div class="flex gap-2">
                {% if is_px_admin %}
                <a href="{% url 'standards:standard_create' department_id=department.id %}" class="btn-transition inline-flex items-center px-4 py-2.5 bg-green-500 text-white font-medium rounded-xl hover:bg-green-600 transition">
                    <i data-lucide="plus" class="w-4 h-4 me-2"></i>{% trans "Add Standard" %}
                </a>
                {% endif %}
                <a href="{% url 'standards:dashboard' %}" class="btn-transition inline-flex items-center px-4 py-2.5 bg-white/10 border-2 border-white/30 text-white font-medium rounded-xl hover:bg-white hover:text-navy transition">
                    <i data-lucide="arrow-left" class="w-4 h-4 me-2"></i>{% trans "Back to Dashboard" %}
                </a>
            </div>
        </div>
    </div>

    <div class="section-card mb-6">
        <div class="p-6">
            <div class="relative">
                <i data-lucide="search" class="absolute left-4 top-1/2 transform -translate-y-1/2 w-5 h-5 text-gray-400"></i>
                <input type="text" 
                       class="w-full pl-12 pr-4 py-2.5 border border-gray-300 rounded-lg focus:ring-2 focus:ring-navy focus:border-transparent transition"
                       id="searchInput"
                       placeholder="{% trans 'Search standards...' %}">
            </div>
        </div>
    </div>

    <div class="section-card">
        <div class="section-header">
            <div class="section-icon bg-navy/10">
                <i data-lucide="clipboard-list" class="w-5 h-5 text-navy"></i>
            </div>
            <h5 class="text-lg font-semibold text-gray-800">{% trans "Standards List" %}</h5>
        </div>
        <div class="p-0">
            <div class="overflow-x-auto">
                <table class="min-w-full divide-y divide-gray-200" id="standardsTable">
                    <thead class="bg-gray-50">
                        <tr>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                {% trans "Code" %}
                            </th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                {% trans "Title" %}
                            </th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                {% trans "Status" %}
                            </th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
                                {% trans "Evidence" %}
                            </th>
                            <th class="px-6 py-3 text-right text-xs font-medium text-gray-500 uppercase tracking-wider">
                                {% trans "Actions" %}
                            </th>
                        </tr>
                    </thead>
                    <tbody class="bg-white divide-y divide-gray-200">
                        {% for item in standards_data %}
                        <tr class="hover:bg-gray-50 transition" 
                            data-standard-id="{{ item.standard.id }}"
                            data-compliance-id="{% if item.compliance %}{{ item.compliance.id }}{% endif %}">
                            <td class="px-6 py-4 whitespace-nowrap">
                                <span class="inline-flex items-center px-3 py-1 rounded-lg text-xs font-semibold bg-navy/10 text-navy">
                                    {{ item.standard.code }}
                                </span>
                            </td>
                            <td class="px-6 py-4">
                                <a href="{% url 'standards:standard_detail' pk=item.standard.id %}" class="text-sm font-medium text-gray-900 hover:text-navy transition">
                                    {{ item.standard.title }}
                                </a>
                            </td>
                            <td class="px-6 py-4 whitespace-nowrap">
                                {% if item.compliance %}
                                    {% if item.compliance.status == 'met' %}
                                    <span class="inline-flex items-center px-3 py-1 rounded-full text-xs font-medium bg-green-100 text-green-800">
                                        <i data-lucide="check-circle" class="w-3 h-3 me-1"></i>{{ item.compliance.get_status_display }}
                                    </span>
                                    {% elif item.compliance.status == 'partially_met' %}
                                    <span class="inline-flex items-center px-3 py-1 rounded-full text-xs font-medium bg-yellow-100 text-yellow-800">
                                        <i data-lucide="alert-circle" class="w-3 h-3 me-1"></i>{{ item.compliance.get_status_display }}
                                    </span>
                                    {% elif item.compliance.status == 'not_met' %}
                                    <span class="inline-flex items-center px-3 py-1 rounded-full text-xs font-medium bg-red-100 text-red-800">
                                        <i data-lucide="x-circle" class="w-3 h-3 me-1"></i>{{ item.compliance.get_status_display }}
                                    </span>
                                    {% else %}
                                    <span class="inline-flex items-center px-3 py-1 rounded-full text-xs font-medium bg-gray-100 text-gray-800">
                                        <i data-lucide="help-circle" class="w-3 h-3 me-1"></i>{{ item.compliance.get_status_display }}
                                    </span>
                                    {% endif %}
                                {% else %}
                                <span class="inline-flex items-center px-3 py-1 rounded-full text-xs font-medium bg-gray-100 text-gray-800">
                                    <i data-lucide="help-circle" class="w-3 h-3 me-1"></i>{% trans "Not Assessed" %}
                                </span>
                                {% endif %}
                            </td>
                            <td class="px-6 py-4 whitespace-nowrap">
                                <span class="inline-flex items-center px-3 py-1 rounded-full text-xs font-medium bg-blue-100 text-blue-800">
                                    <i data-lucide="file-text" class="w-3 h-3 me-1"></i>{{ item.attachment_count }}
                                </span>
                            </td>
                            <td class="px-6 py-4 whitespace-nowrap text-right">
                                {% if item.compliance %}
                                <button class="btn-transition inline-flex items-center px-3 py-1.5 bg-navy text-white text-xs font-medium rounded-lg hover:bg-blue transition"
                                        onclick="openAssessModal('{{ item.compliance.id }}')">
                                    <i data-lucide="edit-2" class="w-3 h-3 me-1"></i>{% trans "Assess" %}
                                </button>
                                {% else %}
                                <button class="btn-transition inline-flex items-center px-3 py-1.5 bg-green-500 text-white text-xs font-medium rounded-lg hover:bg-green-600 transition"
                                        onclick="createAndAssess('{{ item.standard.id }}')">
                                    <i data-lucide="plus" class="w-3 h-3 me-1"></i>{% trans "Assess" %}
                                </button>
                                {% endif %}
                            </td>
                        </tr>
                        {% empty %}
                        <tr>
                            <td colspan="5" class="px-6 py-12 text-center text-gray-500">
                                <i data-lucide="inbox" class="w-12 h-12 mx-auto mb-3 text-gray-300"></i>
                                <p>{% trans "No standards found" %}</p>
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
        </div>
    </div>
</div>

<!-- Compliance Assessment Modal (Tailwind) -->
<div class="hidden fixed inset-0 bg-black/50 flex items-center justify-center z-50" id="assessmentModal">
    <div class="bg-white rounded-2xl shadow-2xl max-w-lg w-full mx-4 max-h-[90vh] overflow-y-auto">
        <!-- Modal Header -->
        <div class="flex justify-between items-center p-6 border-b border-gray-200">
            <h5 class="text-xl font-bold text-gray-900">{% trans "Compliance Assessment" %}</h5>
            <button type="button" class="text-gray-400 hover:text-gray-600 transition" onclick="closeModal('assessmentModal')">
                <i data-lucide="x" class="w-6 h-6"></i>
            </button>
        </div>
        
        <!-- Modal Body -->
        <form id="assessmentForm">
            <div class="p-6 space-y-4">
                <input type="hidden" id="complianceId" name="compliance_id">

                <div>
                    <label for="status" class="block text-sm font-medium text-gray-700 mb-2">
                        {% trans "Compliance Status" %} <span class="text-red-500">*</span>
                    </label>
                    <select class="w-full px-4 py-2.5 border border-gray-300 rounded-lg focus:ring-2 focus:ring-navy focus:border-transparent transition" id="status" name="status" required>
                        <option value="not_assessed">{% trans "Not Assessed" %}</option>
                        <option value="met">{% trans "Met" %}</option>
                        <option value="partially_met">{% trans "Partially Met" %}</option>
                        <option value="not_met">{% trans "Not Met" %}</option>
                    </select>
                </div>

                <div>
                    <label for="last_assessed_date" class="block text-sm font-medium text-gray-700 mb-2">
                        {% trans "Assessment Date" %}
                    </label>
                    <input type="date" class="w-full px-4 py-2.5 border border-gray-300 rounded-lg focus:ring-2 focus:ring-navy focus:border-transparent transition" id="last_assessed_date" name="last_assessed_date">
                    <p class="mt-1 text-xs text-gray-500">{% trans "Auto-filled with today's date" %}</p>
                </div>

                <div>
                    <label for="assessor" class="block text-sm font-medium text-gray-700 mb-2">{% trans "Assessor" %}</label>
                    <input type="text" class="w-full px-4 py-2.5 border border-gray-300 rounded-lg bg-gray-50 text-gray-600 transition" id="assessor" name="assessor" readonly>
                    <input type="hidden" id="assessor_id" name="assessor_id" value="{{ user.id }}">
                    <p class="mt-1 text-xs text-gray-500">{% trans "Current logged-in user" %}</p>
                </div>

                <div>
                    <label for="notes" class="block text-sm font-medium text-gray-700 mb-2">{% trans "Notes" %}</label>
                    <textarea class="w-full px-4 py-2.5 border border-gray-300 rounded-lg focus:ring-2 focus:ring-navy focus:border-transparent transition" id="notes" name="notes" rows="3"
                              placeholder="{% trans 'Add any notes about the assessment...' %}"></textarea>
                </div>

                <div>
                    <label for="evidence_summary" class="block text-sm font-medium text-gray-700 mb-2">{% trans "Evidence Summary" %}</label>
                    <textarea class="w-full px-4 py-2.5 border border-gray-300 rounded-lg focus:ring-2 focus:ring-navy focus:border-transparent transition" id="evidence_summary" name="evidence_summary" rows="3"
                              placeholder="{% trans 'Summarize the evidence supporting this assessment...' %}"></textarea>
                </div>
            </div>
            
            <!-- Modal Footer -->
            <div class="flex justify-end gap-3 p-6 border-t border-gray-200 bg-gray-50 rounded-b-2xl">
                <button type="button" class="px-6 py-2.5 bg-gray-100 text-gray-700 font-medium rounded-xl hover:bg-gray-200 transition" onclick="closeModal('assessmentModal')">
                    {% trans "Cancel" %}
                </button>
                <button type="submit" class="px-6 py-2.5 bg-green-500 text-white font-medium rounded-xl hover:bg-green-600 transition inline-flex items-center">
                    <i data-lucide="save" class="w-4 h-4 me-2"></i>{% trans "Save Assessment" %}
                </button>
            </div>
        </form>
    </div>
</div>

<script>
const userData = {
    id: '{{ user.id }}',
    username: "{{ user.username|escapejs }}",
    fullName: "{% if user.get_full_name %}{{ user.get_full_name|escapejs }}{% else %}{{ user.username|escapejs }}{% endif %}"
};

document.addEventListener('DOMContentLoaded', function() {
    const today = new Date().toISOString().split('T')[0];
    const dateInput = document.getElementById('last_assessed_date');
    if (dateInput) {
        dateInput.value = today;
    }

    const assessorInput = document.getElementById('assessor');
    if (assessorInput) {
        assessorInput.value = userData.fullName;
    }

    const searchInput = document.getElementById('searchInput');
    const table = document.getElementById('standardsTable');

    function filterTable() {
        const searchText = searchInput.value.toLowerCase();
        const rows = table.querySelectorAll('tbody tr');

        rows.forEach(row => {
            const text = row.textContent.toLowerCase();
            const matchesSearch = text.includes(searchText);

            if (matchesSearch) {
                row.style.display = '';
            } else {
                row.style.display = 'none';
            }
        });
    }

    searchInput.addEventListener('input', filterTable);

    const form = document.getElementById('assessmentForm');
    if (form) {
        form.addEventListener('submit', function(e) {
            e.preventDefault();
            submitAssessment();
        });
    }
});

function getCookie(name) {
    let cookieValue = null;
    if (document.cookie && document.cookie !== '') {
        const cookies = document.cookie.split(';');
        for (let i = 0; i < cookies.length; i++) {
            const cookie = cookies[i].trim();
            if (cookie.substring(0, name.length + 1) === (name + '=')) {
                cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                break;
            }
        }
    }
    return cookieValue;
}

function showModal(modalId) {
    const modal = document.getElementById(modalId);
    if (modal) {
        modal.classList.remove('hidden');
        // Reinitialize Lucide icons
        setTimeout(() => {
            if (typeof lucide !== 'undefined') {
                lucide.createIcons();
            }
        }, 100);
    }
}

function closeModal(modalId) {
    const modal = document.getElementById(modalId);
    if (modal) {
        modal.classList.add('hidden');
    }
}

function createAndAssess(standardId) {
    const data = {
        standard_id: standardId,
        department_id: '{{ department.id }}'
    };

    console.log('Creating compliance:', data);

    fetch('{% url "standards:compliance_create_ajax" %}', {
        method: 'POST',
        headers: {
            'X-CSRFToken': window.CSRF_TOKEN || getCookie('csrftoken'),
            'Content-Type': 'application/json',
        },
        body: JSON.stringify(data)
    })
    .then(response => {
        console.log('Response status:', response.status);
        if (!response.ok) {
            return response.text().then(text => {
                console.error('Error response:', text);
                throw new Error('Server error: ' + response.status);
            });
        }
        return response.json();
    })
    .then(data => {
        console.log('Response data:', data);
        if (data.success) {
            openAssessModal(data.compliance_id);
        } else {
            alert('{% trans "Error creating compliance record:" %} ' + (data.error || '{% trans "Unknown error" %}'));
        }
    })
    .catch(error => {
        console.error('Error:', error);
        alert('{% trans "Error creating compliance record:" %} ' + error.message);
    });
}

function openAssessModal(complianceId) {
    document.getElementById('complianceId').value = complianceId;
    showModal('assessmentModal');
}

function submitAssessment() {
    const form = document.getElementById('assessmentForm');
    const formData = new FormData(form);

    const compliance_id = document.getElementById('complianceId').value;
    const status = document.getElementById('status').value;
    const notes = document.getElementById('notes').value;
    const evidence_summary = document.getElementById('evidence_summary').value;
    const last_assessed_date = document.getElementById('last_assessed_date').value;
    const assessor_id = document.getElementById('assessor_id').value;

    if (!compliance_id || !status) {
        alert('{% trans "Missing required fields" %}');
        return;
    }

    const data = {
        compliance_id: compliance_id,
        status: status,
        notes: notes || '',
        evidence_summary: evidence_summary || '',
        last_assessed_date: last_assessed_date || '',
        assessor_id: assessor_id || ''
    };

    console.log('Submitting assessment:', data);

    fetch('{% url "standards:compliance_update_ajax" %}', {
        method: 'POST',
        headers: {
            'X-CSRFToken': window.CSRF_TOKEN || getCookie('csrftoken'),
            'Content-Type': 'application/json',
        },
        body: JSON.stringify(data)
    })
    .then(response => {
        console.log('Response status:', response.status);
        if (!response.ok) {
            return response.text().then(text => {
                console.error('Error response:', text);
                throw new Error('Server error: ' + response.status);
            });
        }
        return response.json();
    })
    .then(data => {
        console.log('Response data:', data);
        if (data.success) {
            closeModal('assessmentModal');
            location.reload();
        } else {
            alert('{% trans "Error updating compliance:" %} ' + (data.error || '{% trans "Unknown error" %}'));
        }
    })
    .catch(error => {
        console.error('Error:', error);
        alert('{% trans "Error updating compliance:" %} ' + error.message);
    });
}

// Close modal when clicking outside
document.addEventListener('click', function(e) {
    if (e.target && e.target.id === 'assessmentModal') {
        closeModal('assessmentModal');
    }
});
</script>
{% endblock %}