{% extends "layouts/base.html" %}
{% load i18n %}

{% block title %}{% trans "Survey Comments" %} - PX360{% endblock %}

{% block content %}
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
    <!-- Page Header -->
    <div class="mb-8">
        <h2 class="text-3xl font-bold text-gray-800 mb-2 flex items-center gap-2">
            <i data-lucide="message-square-quote" class="w-8 h-8 text-navy"></i>
            {% trans "Survey Comments" %}
        </h2>
        <p class="text-gray-400">
            {% trans "View all patient comments with AI-powered sentiment analysis" %}
        </p>
    </div>

    <!-- Statistics Cards -->
    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6 mb-8">
        <div class="bg-white p-6 rounded-[2rem] shadow-sm border border-gray-50">
            <div class="flex justify-between items-start mb-4">
                <div class="bg-blue-100 p-3 rounded-full">
                    <i data-lucide="message-square-quote" class="text-blue-500 w-6 h-6"></i>
                </div>
                <span class="text-blue-500 text-sm font-bold bg-blue-50 px-2 py-1 rounded-lg">
                    {% trans "Total" %}
                </span>
            </div>
            <div class="text-4xl font-bold mb-1">{{ stats.total }}</div>
            <div class="text-gray-400 text-sm font-medium">{% trans "Comments" %}</div>
        </div>

        <div class="bg-white p-6 rounded-[2rem] shadow-sm border border-gray-50">
            <div class="flex justify-between items-start mb-4">
                <div class="bg-green-100 p-3 rounded-full">
                    <i data-lucide="smile" class="text-green-500 w-6 h-6"></i>
                </div>
                <span class="text-green-500 text-sm font-bold bg-green-50 px-2 py-1 rounded-lg">
                    {% trans "Positive" %}
                </span>
            </div>
            <div class="text-4xl font-bold mb-1 text-green-600">{{ stats.positive }}</div>
            <div class="text-gray-400 text-sm font-medium">{% trans "Sentiment" %}</div>
        </div>

        <div class="bg-white p-6 rounded-[2rem] shadow-sm border border-gray-50">
            <div class="flex justify-between items-start mb-4">
                <div class="bg-red-100 p-3 rounded-full">
                    <i data-lucide="frown" class="text-red-500 w-6 h-6"></i>
                </div>
                <span class="text-red-500 text-sm font-bold bg-red-50 px-2 py-1 rounded-lg">
                    {% trans "Negative" %}
                </span>
            </div>
            <div class="text-4xl font-bold mb-1 text-red-600">{{ stats.negative }}</div>
            <div class="text-gray-400 text-sm font-medium">{% trans "Sentiment" %}</div>
        </div>

        <div class="bg-white p-6 rounded-[2rem] shadow-sm border border-gray-50">
            <div class="flex justify-between items-start mb-4">
                <div class="bg-light p-3 rounded-full">
                    <i data-lucide="bot" class="text-navy w-6 h-6"></i>
                </div>
                <span class="text-navy text-sm font-bold bg-light px-2 py-1 rounded-lg">
                    {% trans "AI" %}
                </span>
            </div>
            <div class="text-4xl font-bold mb-1 text-navy">{{ stats.analyzed }}</div>
            <div class="text-gray-400 text-sm font-medium">{% trans "Analyzed" %}</div>
        </div>
    </div>

    <!-- Charts -->
    <div class="grid grid-cols-1 lg:grid-cols-2 gap-6 mb-8">
        <div class="bg-white rounded-2xl shadow-sm border border-gray-50 p-6">
            <h3 class="font-bold text-gray-800 mb-4 flex items-center gap-2">
                <i data-lucide="pie-chart" class="w-5 h-5 text-navy"></i>
                {% trans "Patient Type Distribution" %}
            </h3>
            <div id="patientTypeDistributionChart" style="min-height: 300px;"></div>
        </div>

        <div class="bg-white rounded-2xl shadow-sm border border-gray-50 p-6">
            <h3 class="font-bold text-gray-800 mb-4 flex items-center gap-2">
                <i data-lucide="bar-chart-3" class="w-5 h-5 text-navy"></i>
                {% trans "Sentiment by Patient Type" %}
            </h3>
            <div id="sentimentByPatientTypeChart" style="min-height: 300px;"></div>
        </div>
    </div>

    <!-- Filters -->
    <div class="bg-white rounded-2xl shadow-sm border border-gray-50 p-6 mb-6">
        <form method="get" class="space-y-4">
            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 xl:grid-cols-7 gap-4">
                <!-- Search -->
                <div class="xl:col-span-2">
                    <label for="search" class="block text-sm font-bold text-gray-700 mb-2">{% trans "Search" %}</label>
                    <div class="relative">
                        <i data-lucide="search" class="absolute left-3 top-1/2 -translate-y-1/2 w-5 h-5 text-gray-400"></i>
                        <input type="text" class="w-full pl-10 pr-4 py-2.5 border-2 border-gray-200 rounded-xl text-gray-800 focus:ring-2 focus:ring-navy focus:border-transparent transition" 
                               id="search" name="search" 
                               placeholder="{% trans 'MRN, name, or comment...' %}"
                               value="{{ filters.search }}">
                    </div>
                </div>

                <!-- Sentiment -->
                <div>
                    <label for="sentiment" class="block text-sm font-bold text-gray-700 mb-2">{% trans "Sentiment" %}</label>
                    <select class="w-full px-4 py-2.5 border-2 border-gray-200 rounded-xl text-gray-800 focus:ring-2 focus:ring-navy focus:border-transparent transition" 
                            id="sentiment" name="sentiment">
                        <option value="">{% trans "All" %}</option>
                        <option value="positive" {% if filters.sentiment == 'positive' %}selected{% endif %}>{% trans "Positive" %}</option>
                        <option value="negative" {% if filters.sentiment == 'negative' %}selected{% endif %}>{% trans "Negative" %}</option>
                        <option value="neutral" {% if filters.sentiment == 'neutral' %}selected{% endif %}>{% trans "Neutral" %}</option>
                    </select>
                </div>

                <!-- Survey Type -->
                <div>
                    <label for="survey_type" class="block text-sm font-bold text-gray-700 mb-2">{% trans "Survey Type" %}</label>
                    <select class="w-full px-4 py-2.5 border-2 border-gray-200 rounded-xl text-gray-800 focus:ring-2 focus:ring-navy focus:border-transparent transition" 
                            id="survey_type" name="survey_type">
                        <option value="">{% trans "All" %}</option>
                        <option value="stage" {% if filters.survey_type == 'stage' %}selected{% endif %}>{% trans "Journey Stage" %}</option>
                        <option value="complaint_resolution" {% if filters.survey_type == 'complaint_resolution' %}selected{% endif %}>{% trans "Complaint Resolution" %}</option>
                        <option value="general" {% if filters.survey_type == 'general' %}selected{% endif %}>{% trans "General" %}</option>
                        <option value="nps" {% if filters.survey_type == 'nps' %}selected{% endif %}>{% trans "NPS" %}</option>
                    </select>
                </div>

                <!-- Hospital -->
                <div>
                    <label for="hospital" class="block text-sm font-bold text-gray-700 mb-2">{% trans "Hospital" %}</label>
                    <select class="w-full px-4 py-2.5 border-2 border-gray-200 rounded-xl text-gray-800 focus:ring-2 focus:ring-navy focus:border-transparent transition" 
                            id="hospital" name="hospital">
                        <option value="">{% trans "All" %}</option>
                        {% for hospital in hospitals %}
                        <option value="{{ hospital.id }}" 
                                {% if filters.hospital == hospital.id|stringformat:"s" %}selected{% endif %}>
                            {{ hospital.name }}
                        </option>
                        {% endfor %}
                    </select>
                </div>

                <!-- Patient Type -->
                <div>
                    <label for="patient_type" class="block text-sm font-bold text-gray-700 mb-2">{% trans "Patient Type" %}</label>
                    <select class="w-full px-4 py-2.5 border-2 border-gray-200 rounded-xl text-gray-800 focus:ring-2 focus:ring-navy focus:border-transparent transition" 
                            id="patient_type" name="patient_type">
                        <option value="">{% trans "All" %}</option>
                        <option value="outpatient" {% if filters.patient_type == 'outpatient' %}selected{% endif %}>{% trans "Outpatient" %}</option>
                        <option value="inpatient" {% if filters.patient_type == 'inpatient' %}selected{% endif %}>{% trans "Inpatient" %}</option>
                        <option value="emergency" {% if filters.patient_type == 'emergency' %}selected{% endif %}>{% trans "Emergency" %}</option>
                    </select>
                </div>

                <!-- Date Range -->
                <div class="xl:col-span-1">
                    <label class="block text-sm font-bold text-gray-700 mb-2">{% trans "Date Range" %}</label>
                    <div class="flex gap-2">
                        <input type="date" class="flex-1 px-3 py-2.5 border-2 border-gray-200 rounded-xl text-gray-800 focus:ring-2 focus:ring-navy focus:border-transparent transition text-sm" 
                               id="date_from" name="date_from" value="{{ filters.date_from }}">
                        <input type="date" class="flex-1 px-3 py-2.5 border-2 border-gray-200 rounded-xl text-gray-800 focus:ring-2 focus:ring-navy focus:border-transparent transition text-sm" 
                               id="date_to" name="date_to" value="{{ filters.date_to }}">
                    </div>
                </div>
            </div>

            <div class="flex justify-between items-center pt-4 border-t border-gray-100">
                <button type="submit" class="bg-navy text-white px-6 py-2.5 rounded-xl font-semibold hover:bg-navy transition flex items-center gap-2">
                    <i data-lucide="search" class="w-4 h-4"></i> {% trans "Search" %}
                </button>
                <a href="{% url 'surveys:survey_comments_list' %}" class="text-gray-500 hover:text-navy font-medium flex items-center gap-1">
                    <i data-lucide="x-circle" class="w-4 h-4"></i> {% trans "Clear Filters" %}
                </a>
            </div>
        </form>
    </div>

    <!-- Comments List -->
    <div class="bg-white rounded-2xl shadow-sm border border-gray-50 overflow-hidden">
        {% if page_obj.object_list %}
        <div class="overflow-x-auto">
            <table class="w-full">
                <thead class="bg-gray-50">
                    <tr>
                        <th class="px-6 py-4 text-left text-xs font-bold text-gray-500 uppercase tracking-wider">{% trans "Patient" %}</th>
                        <th class="px-6 py-4 text-left text-xs font-bold text-gray-500 uppercase tracking-wider">{% trans "Type" %}</th>
                        <th class="px-6 py-4 text-left text-xs font-bold text-gray-500 uppercase tracking-wider">{% trans "Comment" %}</th>
                        <th class="px-6 py-4 text-left text-xs font-bold text-gray-500 uppercase tracking-wider">{% trans "Sentiment" %}</th>
                        <th class="px-6 py-4 text-left text-xs font-bold text-gray-500 uppercase tracking-wider">{% trans "Survey" %}</th>
                        <th class="px-6 py-4 text-left text-xs font-bold text-gray-500 uppercase tracking-wider">{% trans "Date" %}</th>
                        <th class="px-6 py-4 text-left text-xs font-bold text-gray-500 uppercase tracking-wider">{% trans "Actions" %}</th>
                    </tr>
                </thead>
                <tbody class="divide-y divide-gray-100">
                    {% for survey in page_obj.object_list %}
                    <tr class="hover:bg-gray-50 transition">
                        <td class="px-6 py-4">
                            <div class="font-semibold text-gray-800">{{ survey.patient.get_full_name }}</div>
                            <div class="text-sm text-gray-400">{{ survey.patient.mrn }}</div>
                            {% if survey.survey_template.hospital %}
                            <div class="text-xs text-gray-400 mt-1">{{ survey.survey_template.hospital.name }}</div>
                            {% endif %}
                        </td>
                        <td class="px-6 py-4">
                            {% if survey.patient_type and survey.patient_type.code %}
                            <span class="inline-flex items-center gap-1 px-3 py-1 rounded-full text-xs font-bold {{ survey.patient_type.bg_class }} {{ survey.patient_type.text_class }}">
                                <i data-lucide="{{ survey.patient_type.icon }}" class="w-3 h-3"></i>
                                {{ survey.patient_type.label }}
                            </span>
                            {% else %}
                            <span class="inline-flex items-center px-3 py-1 rounded-full text-xs font-medium bg-gray-100 text-gray-600">N/A</span>
                            {% endif %}
                        </td>
                        <td class="px-6 py-4">
                            <div class="max-w-md overflow-hidden text-ellipsis whitespace-nowrap text-gray-700" title="{{ survey.comment }}">
                                {{ survey.comment }}
                            </div>
                            {% if survey.comment_analyzed %}
                            {% if survey.comment_analysis.emotion %}
                            <div class="text-xs text-gray-500 mt-1 flex items-center gap-1">
                                <i data-lucide="heart-pulse" class="w-3 h-3"></i> {{ survey.comment_analysis.emotion|title }}
                            </div>
                            {% endif %}
                            {% else %}
                            <div class="text-xs text-amber-500 mt-1 flex items-center gap-1">
                                <i data-lucide="hourglass" class="w-3 h-3"></i> {% trans "Analyzing..." %}
                            </div>
                            {% endif %}
                        </td>
                        <td class="px-6 py-4">
                            {% if survey.comment_analyzed and survey.comment_analysis.sentiment %}
                            <span class="inline-flex items-center px-3 py-1 rounded-full text-xs font-bold {% if survey.comment_analysis.sentiment == 'positive' %}bg-green-100 text-green-700{% elif survey.comment_analysis.sentiment == 'negative' %}bg-red-100 text-red-700{% else %}bg-gray-100 text-gray-700{% endif %}">
                                {{ survey.comment_analysis.sentiment|title }}
                            </span>
                            {% else %}
                            <span class="inline-flex items-center px-3 py-1 rounded-full text-xs font-medium bg-gray-100 text-gray-600">{% trans "Pending" %}</span>
                            {% endif %}
                        </td>
                        <td class="px-6 py-4">
                            <div class="font-semibold text-gray-800 text-sm">{{ survey.survey_template.name }}</div>
                            <div class="text-xs text-gray-400">{{ survey.survey_template.get_survey_type_display }}</div>
                            {% if survey.total_score %}
                            <div class="text-xs {% if survey.is_negative %}text-red-600{% else %}text-green-600{% endif %} mt-1">
                                <strong>Score: {{ survey.total_score|floatformat:1 }}/5.0</strong>
                            </div>
                            {% endif %}
                        </td>
                        <td class="px-6 py-4">
                            <div class="text-sm text-gray-800">{{ survey.completed_at|date:"M d, Y" }}</div>
                            <div class="text-xs text-gray-400">{{ survey.completed_at|time:"H:i" }}</div>
                        </td>
                        <td class="px-6 py-4">
                            <a href="{% url 'surveys:instance_detail' survey.id %}" 
                               class="inline-flex items-center gap-1 px-3 py-2 text-navy bg-light rounded-lg hover:bg-light transition font-medium text-sm">
                                <i data-lucide="eye" class="w-4 h-4"></i> {% trans "View" %}
                            </a>
                        </td>
                    </tr>
                    {% endfor %}
                </tbody>
            </table>
        </div>

        <!-- Pagination -->
        {% if page_obj.has_other_pages %}
        <div class="px-6 py-4 border-t border-gray-100">
            <div class="flex items-center justify-between">
                <div class="text-sm text-gray-500">
                    {% trans "Showing" %} <span class="font-medium text-gray-900">{{ page_obj.start_index }}</span> 
                    {% trans "to" %} <span class="font-medium text-gray-900">{{ page_obj.end_index }}</span> 
                    {% trans "of" %} <span class="font-medium text-gray-900">{{ page_obj.paginator.count }}</span> 
                    {% trans "results" %}
                </div>
                <nav class="flex gap-2">
                    {% if page_obj.has_previous %}
                    <a href="?page=1{% if filters.search %}&search={{ filters.search }}{% endif %}{% if filters.sentiment %}&sentiment={{ filters.sentiment }}{% endif %}{% if filters.survey_type %}&survey_type={{ filters.survey_type }}{% endif %}{% if filters.hospital %}&hospital={{ filters.hospital }}{% endif %}{% if filters.date_from %}&date_from={{ filters.date_from }}{% endif %}{% if filters.date_to %}&date_to={{ filters.date_to }}{% endif %}" 
                       class="px-3 py-2 text-gray-500 hover:text-navy hover:bg-light rounded-lg transition">
                        <i data-lucide="chevrons-left" class="w-5 h-5"></i>
                    </a>
                    <a href="?page={{ page_obj.previous_page_number }}{% if filters.search %}&search={{ filters.search }}{% endif %}{% if filters.sentiment %}&sentiment={{ filters.sentiment }}{% endif %}{% if filters.survey_type %}&survey_type={{ filters.survey_type }}{% endif %}{% if filters.hospital %}&hospital={{ filters.hospital }}{% endif %}{% if filters.date_from %}&date_from={{ filters.date_from }}{% endif %}{% if filters.date_to %}&date_to={{ filters.date_to }}{% endif %}" 
                       class="px-3 py-2 text-gray-500 hover:text-navy hover:bg-light rounded-lg transition">
                        <i data-lucide="chevron-left" class="w-5 h-5"></i>
                    </a>
                    {% endif %}

                    <div class="px-4 py-2 bg-light text-navy rounded-lg font-medium">
                        <span class="text-gray-500">{% trans "Page" %}</span> {{ page_obj.number }} <span class="text-gray-500">{% trans "of" %}</span> {{ page_obj.paginator.num_pages }}
                    </div>

                    {% if page_obj.has_next %}
                    <a href="?page={{ page_obj.next_page_number }}{% if filters.search %}&search={{ filters.search }}{% endif %}{% if filters.sentiment %}&sentiment={{ filters.sentiment }}{% endif %}{% if filters.survey_type %}&survey_type={{ filters.survey_type }}{% endif %}{% if filters.hospital %}&hospital={{ filters.hospital }}{% endif %}{% if filters.date_from %}&date_from={{ filters.date_from }}{% endif %}{% if filters.date_to %}&date_to={{ filters.date_to }}{% endif %}" 
                       class="px-3 py-2 text-gray-500 hover:text-navy hover:bg-light rounded-lg transition">
                        <i data-lucide="chevron-right" class="w-5 h-5"></i>
                    </a>
                    <a href="?page={{ page_obj.paginator.num_pages }}{% if filters.search %}&search={{ filters.search }}{% endif %}{% if filters.sentiment %}&sentiment={{ filters.sentiment }}{% endif %}{% if filters.survey_type %}&survey_type={{ filters.survey_type }}{% endif %}{% if filters.hospital %}&hospital={{ filters.hospital }}{% endif %}{% if filters.date_from %}&date_from={{ filters.date_from }}{% endif %}{% if filters.date_to %}&date_to={{ filters.date_to }}{% endif %}" 
                       class="px-3 py-2 text-gray-500 hover:text-navy hover:bg-light rounded-lg transition">
                        <i data-lucide="chevrons-right" class="w-5 h-5"></i>
                    </a>
                    {% endif %}
                </nav>
            </div>
        </div>
        {% endif %}

        {% else %}
        <div class="text-center py-16">
            <div class="inline-flex items-center justify-center w-20 h-20 bg-gray-100 rounded-full mb-4">
                <i data-lucide="message-square-quote" class="w-10 h-10 text-gray-400"></i>
            </div>
            <h3 class="text-xl font-bold text-gray-800 mb-2">{% trans "No Comments Found" %}</h3>
            <p class="text-gray-500 mb-4">{% trans "No survey comments match your current filters." %}</p>
            {% if filters.search or filters.sentiment or filters.survey_type or filters.hospital or filters.date_from or filters.date_to %}
            <a href="{% url 'surveys:survey_comments_list' %}" class="inline-flex items-center gap-2 text-navy hover:text-navy font-medium">
                <i data-lucide="x-circle" class="w-4 h-4"></i> {% trans "Clear Filters" %}
            </a>
            {% endif %}
        </div>
        {% endif %}
    </div>
</div>

<!-- Chart Scripts -->
<script>
document.addEventListener('DOMContentLoaded', function() {
    lucide.createIcons();
    
    // Patient Type Distribution Chart (Donut Chart)
    const patientTypeDistributionData = {{ patient_type_distribution_json|safe }};
    
    if (patientTypeDistributionData && patientTypeDistributionData.length > 0) {
        const patientTypeLabels = patientTypeDistributionData.map(item => item.label);
        const patientTypeCounts = patientTypeDistributionData.map(item => item.count);
        const patientTypeColors = ['#3b82f6', '#f59e0b', '#ef4444', '#6b7280'];
        
        const patientTypeChartOptions = {
            series: patientTypeCounts,
            labels: patientTypeLabels,
            colors: patientTypeColors,
            chart: {
                type: 'donut',
                height: 300,
                fontFamily: 'Inter, sans-serif'
            },
            plotOptions: {
                pie: {
                    donut: {
                        size: '65%',
                        labels: {
                            show: true,
                            total: {
                                show: true,
                                showAlways: true,
                                label: 'Total',
                                formatter: function (w) {
                                    return w.globals.seriesTotals.reduce((a, b) => a + b, 0)
                                }
                            }
                        }
                    }
                }
            },
            dataLabels: {
                enabled: true,
                formatter: function(val, opts) {
                    return patientTypeDistributionData[opts.seriesIndex].percentage + '%'
                }
            },
            tooltip: {
                y: {
                    formatter: function(value, { series, seriesIndex, dataPointIndex, w }) {
                        return value + ' comments (' + patientTypeDistributionData[seriesIndex].percentage + '%)'
                    }
                }
            },
            legend: {
                position: 'bottom',
                fontSize: '13px',
                fontFamily: 'Inter, sans-serif'
            }
        };
        
        const patientTypeChart = new ApexCharts(document.querySelector("#patientTypeDistributionChart"), patientTypeChartOptions);
        patientTypeChart.render();
    }
    
    // Sentiment by Patient Type Chart (Stacked Bar Chart)
    const sentimentByPatientTypeData = {{ sentiment_by_patient_type_json|safe }};
    
    if (sentimentByPatientTypeData && sentimentByPatientTypeData.types && sentimentByPatientTypeData.types.length > 0) {
        const sentimentChartOptions = {
            series: [
                { name: 'Positive', data: sentimentByPatientTypeData.positive },
                { name: 'Negative', data: sentimentByPatientTypeData.negative },
                { name: 'Neutral', data: sentimentByPatientTypeData.neutral }
            ],
            chart: {
                type: 'bar',
                height: 300,
                stacked: true,
                fontFamily: 'Inter, sans-serif',
                toolbar: { show: false }
            },
            plotOptions: {
                bar: {
                    horizontal: false,
                    borderRadius: 4,
                    dataLabels: { total: { enabled: true, style: { fontSize: '13px', fontWeight: 900 } } }
                }
            },
            xaxis: {
                categories: sentimentByPatientTypeData.types,
                labels: { style: { fontSize: '12px', fontFamily: 'Inter, sans-serif' } }
            },
            yaxis: {
                title: { text: 'Number of Comments' },
                labels: { style: { fontSize: '12px', fontFamily: 'Inter, sans-serif' } }
            },
            legend: {
                position: 'bottom',
                fontSize: '13px',
                fontFamily: 'Inter, sans-serif'
            },
            fill: { opacity: 1 },
            colors: ['#10b981', '#ef4444', '#6b7280'],
            dataLabels: { enabled: false },
            tooltip: {
                y: {
                    formatter: function (value, { series, seriesIndex, dataPointIndex, w }) {
                        return value + ' comments'
                    }
                }
            }
        };
        
        const sentimentChart = new ApexCharts(document.querySelector("#sentimentByPatientTypeChart"), sentimentChartOptions);
        sentimentChart.render();
    }
});
</script>

{% endblock %}