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

{% block title %}{% trans "KPI Reports" %} - PX360{% endblock %}

{% block extra_css %}
<style>
    .status-completed { background-color: #dcfce7; color: #166534; }
    .status-pending { background-color: #fef9c3; color: #854d0e; }
    .status-generating { background-color: #e0f2fe; color: #075985; }
    .status-failed { background-color: #fee2e2; color: #991b1b; }
    .filter-btn.active { background-color: #005696; color: white; }
    .filter-btn:not(.active) { background-color: transparent; border: 1px solid #e2e8f0; color: #64748b; }
    .filter-btn:not(.active):hover { background-color: #f8fafc; }
</style>
{% endblock %}

{% block content %}
<!-- Header -->
<header class="mb-6">
    <div class="flex justify-between items-start">
        <div>
            <h1 class="text-2xl font-bold text-navy flex items-center gap-3">
                <i data-lucide="bar-chart-3" class="w-7 h-7"></i>
                {% trans "KPI Reports" %}
            </h1>
            <p class="text-sm text-slate mt-1">{% trans "Monthly automated reports for MOH and internal KPIs" %}</p>
        </div>
        <div class="flex items-center gap-3">
            <div class="relative group">
                <i data-lucide="search" class="w-4 h-4 absolute left-3 top-1/2 -translate-y-1/2 text-slate group-focus-within:text-navy"></i>
                <input type="text" id="searchInput" placeholder="{% trans 'Search KPI ID or indicator...' %}" 
                       class="pl-10 pr-4 py-2.5 bg-slate-100 border-transparent border focus:border-navy/30 focus:bg-white rounded-xl text-sm outline-none w-64 transition-all">
            </div>
            <a href="{% url 'analytics:kpi_report_generate' %}" 
               class="bg-navy text-white px-5 py-2.5 rounded-xl text-sm font-bold shadow-lg shadow-navy/20 hover:bg-blue flex items-center gap-2 transition">
                <i data-lucide="plus" class="w-4 h-4"></i> {% trans "Generate Report" %}
            </a>
        </div>
    </div>
</header>

<!-- Statistics Cards -->
<div class="grid grid-cols-4 gap-6 mb-6">
    <div class="bg-white p-5 rounded-2xl border border-slate-200 shadow-sm flex items-center gap-4 hover:border-blue/30 hover:shadow-md transition-all">
        <div class="p-3 bg-blue/10 rounded-xl">
            <i data-lucide="bar-chart-3" class="text-blue w-5 h-5"></i>
        </div>
        <div>
            <p class="text-[10px] font-bold text-slate uppercase tracking-wider">{% trans "Total Reports" %}</p>
            <p class="text-xl font-black text-navy leading-tight">{{ stats.total }}</p>
        </div>
    </div>
    <div class="bg-white p-5 rounded-2xl border border-slate-200 shadow-sm flex items-center gap-4 hover:border-green-400/50 hover:shadow-md transition-all">
        <div class="p-3 bg-green-50 rounded-xl">
            <i data-lucide="check-circle" class="text-green-600 w-5 h-5"></i>
        </div>
        <div>
            <p class="text-[10px] font-bold text-slate uppercase tracking-wider">{% trans "Completed" %}</p>
            <p class="text-xl font-black text-navy leading-tight">{{ stats.completed }}</p>
        </div>
    </div>
    <div class="bg-white p-5 rounded-2xl border border-slate-200 shadow-sm flex items-center gap-4 hover:border-yellow-400/50 hover:shadow-md transition-all">
        <div class="p-3 bg-yellow-50 rounded-xl">
            <i data-lucide="clock" class="text-yellow-600 w-5 h-5"></i>
        </div>
        <div>
            <p class="text-[10px] font-bold text-slate uppercase tracking-wider">{% trans "Pending" %}</p>
            <p class="text-xl font-black text-navy leading-tight">{{ stats.pending }}</p>
        </div>
    </div>
    <div class="bg-white p-5 rounded-2xl border border-slate-200 shadow-sm flex items-center gap-4 hover:border-red-400/50 hover:shadow-md transition-all">
        <div class="p-3 bg-red-50 rounded-xl">
            <i data-lucide="alert-triangle" class="text-red-500 w-5 h-5"></i>
        </div>
        <div>
            <p class="text-[10px] font-bold text-slate uppercase tracking-wider">{% trans "Failed" %}</p>
            <p class="text-xl font-black text-navy leading-tight">{{ stats.failed }}</p>
        </div>
    </div>
</div>

<!-- Filter Tabs -->
<div class="bg-white px-6 py-4 rounded-t-2xl border-b flex items-center justify-between">
    <div class="flex items-center gap-3">
        <a href="?" class="filter-btn px-4 py-1.5 rounded-full text-xs font-semibold transition {% if not filters.status %}active{% endif %}">
            {% trans "All Reports" %}
        </a>
        <a href="?status=completed" class="filter-btn px-4 py-1.5 rounded-full text-xs font-semibold transition {% if filters.status == 'completed' %}active{% endif %}">
            {% trans "Completed" %}
        </a>
        <a href="?status=pending" class="filter-btn px-4 py-1.5 rounded-full text-xs font-semibold transition {% if filters.status == 'pending' %}active{% endif %}">
            {% trans "Pending" %}
        </a>
        <a href="?status=failed" class="filter-btn px-4 py-1.5 rounded-full text-xs font-semibold transition {% if filters.status == 'failed' %}active{% endif %}">
            {% trans "Failed" %}
        </a>
        <div class="h-4 w-[1px] bg-slate-200 mx-2"></div>
        <button onclick="toggleFilters()" class="flex items-center gap-2 text-xs font-bold text-blue uppercase tracking-tight hover:underline">
            <i data-lucide="filter" class="w-3 h-3"></i> {% trans "Advanced Filters" %}
        </button>
    </div>
    <p class="text-[10px] font-bold text-slate uppercase">
        {% trans "Showing:" %} <span class="text-navy">{{ page_obj.start_index|default:0 }}-{{ page_obj.end_index|default:0 }} {% trans "of" %} {{ page_obj.paginator.count|default:0 }}</span>
    </p>
</div>

<!-- Advanced Filters (Hidden by default) -->
<div id="advancedFilters" class="hidden bg-slate-50 px-6 py-4 border-b">
    <form method="get" class="flex flex-wrap gap-4">
        {% if filters.status %}
        <input type="hidden" name="status" value="{{ filters.status }}">
        {% endif %}
        <div class="flex items-center gap-2">
            <label class="text-xs font-bold text-slate uppercase">{% trans "Report Type" %}</label>
            <select name="report_type" class="px-3 py-1.5 bg-white border rounded-lg text-xs">
                <option value="">{% trans "All Types" %}</option>
                {% for type_value, type_label in report_types %}
                <option value="{{ type_value }}" {% if filters.report_type == type_value %}selected{% endif %}>
                    {{ type_label }}
                </option>
                {% endfor %}
            </select>
        </div>
        
        {% if request.user.is_px_admin %}
        <div class="flex items-center gap-2">
            <label class="text-xs font-bold text-slate uppercase">{% trans "Hospital" %}</label>
            <select name="hospital" class="px-3 py-1.5 bg-white border rounded-lg text-xs">
                <option value="">{% trans "All Hospitals" %}</option>
                {% for hospital in hospitals %}
                <option value="{{ hospital.id }}" {% if filters.hospital == hospital.id|stringformat:'s' %}selected{% endif %}>
                    {{ hospital.name }}
                </option>
                {% endfor %}
            </select>
        </div>
        {% endif %}
        
        <div class="flex items-center gap-2">
            <label class="text-xs font-bold text-slate uppercase">{% trans "Year" %}</label>
            <select name="year" class="px-3 py-1.5 bg-white border rounded-lg text-xs">
                <option value="">{% trans "All Years" %}</option>
                {% for y in years %}
                <option value="{{ y }}" {% if filters.year == y|stringformat:'s' %}selected{% endif %}>
                    {{ y }}
                </option>
                {% endfor %}
            </select>
        </div>
        
        <div class="flex items-center gap-2">
            <label class="text-xs font-bold text-slate uppercase">{% trans "Month" %}</label>
            <select name="month" class="px-3 py-1.5 bg-white border rounded-lg text-xs">
                <option value="">{% trans "All Months" %}</option>
                {% for m, m_label in months %}
                <option value="{{ m }}" {% if filters.month == m|stringformat:'s' %}selected{% endif %}>
                    {{ m_label }}
                </option>
                {% endfor %}
            </select>
        </div>
        
        <button type="submit" class="px-4 py-1.5 bg-navy text-white rounded-lg text-xs font-bold">{% trans "Apply" %}</button>
        <a href="?" class="px-4 py-1.5 border rounded-lg text-xs font-semibold text-slate hover:bg-white">{% trans "Clear" %}</a>
    </form>
</div>

<!-- Reports Grid -->
{% if reports %}
<div class="bg-white rounded-b-2xl shadow-sm border p-6">
    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
        {% for report in reports %}
        <div class="card bg-white p-5 border border-slate-200 rounded-2xl hover:shadow-lg hover:-translate-y-1 transition-all duration-200 cursor-pointer group"
             onclick="window.location.href='{% url 'analytics:kpi_report_detail' report.id %}'">
            <!-- Header -->
            <div class="flex items-start justify-between mb-3">
                <div class="flex items-center gap-2">
                    <span class="px-2 py-1 text-xs font-bold rounded bg-navy text-white">
                        {{ report.kpi_id }}
                    </span>
                    <span class="text-xs text-slate">{{ report.report_period_display }}</span>
                </div>
                <span class="px-2 py-0.5 text-xs rounded-full font-semibold uppercase
                  {% if report.status == 'completed' %}status-completed
                  {% elif report.status == 'failed' %}status-failed
                  {% elif report.status == 'generating' %}status-generating
                  {% else %}status-pending{% endif %}">
                    {{ report.get_status_display }}
                </span>
            </div>
            
            <!-- Title -->
            <h3 class="font-semibold text-navy mb-2 line-clamp-2 group-hover:text-blue transition-colors">{{ report.indicator_title }}</h3>
            
            <!-- Hospital -->
            <p class="text-sm text-slate mb-4 flex items-center gap-1">
                <i data-lucide="building-2" class="w-3 h-3 inline"></i>
                {{ report.hospital.name }}
            </p>
            
            <!-- Results -->
            <div class="grid grid-cols-3 gap-2 mb-4">
                <div class="bg-light rounded-lg p-3 text-center">
                    <div class="text-[10px] font-bold text-slate uppercase mb-1">{% trans "Target" %}</div>
                    <div class="text-lg font-black text-navy">{{ report.target_percentage }}%</div>
                </div>
                <div class="bg-light rounded-lg p-3 text-center">
                    <div class="text-[10px] font-bold text-slate uppercase mb-1">{% trans "Result" %}</div>
                    <div class="text-lg font-black {% if report.overall_result >= report.target_percentage %}text-green-600{% else %}text-red-600{% endif %}">
                        {{ report.overall_result }}%
                    </div>
                </div>
                <div class="bg-light rounded-lg p-3 text-center">
                    <div class="text-[10px] font-bold text-slate uppercase mb-1">{% trans "Cases" %}</div>
                    <div class="text-lg font-black text-navy">{{ report.total_denominator }}</div>
                </div>
            </div>
            
            <!-- Actions -->
            <div class="flex gap-2 pt-3 border-t opacity-0 group-hover:opacity-100 transition-opacity">
                <button onclick="event.stopPropagation(); window.location.href='{% url 'analytics:kpi_report_detail' report.id %}'" 
                        class="flex-1 btn-primary text-center text-sm flex items-center justify-center gap-2">
                    <i data-lucide="eye" class="w-4 h-4"></i> {% trans "View" %}
                </button>
                <button onclick="event.stopPropagation(); window.location.href='{% url 'analytics:kpi_report_pdf' report.id %}'" 
                        class="btn-secondary px-3" title="{% trans 'Download PDF' %}">
                    <i data-lucide="file-down" class="w-4 h-4"></i>
                </button>
                {% if report.status == 'failed' or report.status == 'pending' %}
                <form method="post" action="{% url 'analytics:kpi_report_regenerate' report.id %}" 
                      class="inline" onclick="event.stopPropagation(); return confirm('{% trans "Regenerate this report?" %}')">
                    {% csrf_token %}
                    <button type="submit" class="btn-secondary px-3" title="{% trans 'Regenerate' %}">
                        <i data-lucide="refresh-cw" class="w-4 h-4"></i>
                    </button>
                </form>
                {% endif %}
            </div>
        </div>
        {% endfor %}
    </div>
    
    <!-- Pagination -->
    {% if page_obj.has_other_pages %}
    <div class="bg-slate-50 px-8 py-4 flex items-center justify-between border-t mt-6 rounded-lg">
        <div class="flex items-center gap-4">
            <span class="text-xs text-slate font-medium">
                {% trans "Showing" %} <span class="font-bold text-navy">{{ page_obj.start_index }}-{{ page_obj.end_index }}</span> {% trans "of" %} <span class="font-bold text-navy">{{ page_obj.paginator.count }}</span> {% trans "entries" %}
            </span>
            <!-- Page Size Selector -->
            <form method="get" class="flex items-center gap-2" id="pageSizeForm">
                {% for key, value in request.GET.items %}
                    {% if key != 'page_size' and key != 'page' %}
                    <input type="hidden" name="{{ key }}" value="{{ value }}">
                    {% endif %}
                {% endfor %}
                <label class="text-xs text-slate">{% trans "Show" %}</label>
                <select name="page_size" onchange="document.getElementById('pageSizeForm').submit()" class="px-2 py-1 bg-white border border-slate-200 rounded-lg text-xs focus:outline-none focus:ring-2 focus:ring-navy">
                    <option value="6" {% if page_obj.paginator.per_page == 6 %}selected{% endif %}>6</option>
                    <option value="12" {% if page_obj.paginator.per_page == 12 %}selected{% endif %}>12</option>
                    <option value="24" {% if page_obj.paginator.per_page == 24 %}selected{% endif %}>24</option>
                    <option value="48" {% if page_obj.paginator.per_page == 48 %}selected{% endif %}>48</option>
                </select>
            </form>
        </div>
        <div class="flex gap-2">
            {% if page_obj.has_previous %}
            <a href="?page={{ page_obj.previous_page_number }}{% for key, value in request.GET.items %}{% if key != 'page' %}&{{ key }}={{ value }}{% endif %}{% endfor %}" 
               class="w-8 h-8 flex items-center justify-center rounded-lg border bg-white hover:bg-slate-50 transition">
                <i data-lucide="chevron-left" class="w-4 h-4 text-slate"></i>
            </a>
            {% else %}
            <span class="w-8 h-8 flex items-center justify-center rounded-lg border bg-slate-100 text-slate-300 cursor-not-allowed">
                <i data-lucide="chevron-left" class="w-4 h-4"></i>
            </span>
            {% endif %}
            
            {% for num in page_obj.paginator.page_range %}
                {% if num == page_obj.number %}
                <span class="w-8 h-8 flex items-center justify-center rounded-lg bg-navy text-white text-xs font-bold">{{ num }}</span>
                {% elif num > page_obj.number|add:'-3' and num < page_obj.number|add:'3' %}
                <a href="?page={{ num }}{% for key, value in request.GET.items %}{% if key != 'page' %}&{{ key }}={{ value }}{% endif %}{% endfor %}" 
                   class="w-8 h-8 flex items-center justify-center rounded-lg border bg-white hover:bg-slate-50 text-xs font-bold text-slate transition">
                    {{ num }}
                </a>
                {% elif num == 1 or num == page_obj.paginator.num_pages %}
                <a href="?page={{ num }}{% for key, value in request.GET.items %}{% if key != 'page' %}&{{ key }}={{ value }}{% endif %}{% endfor %}" 
                   class="w-8 h-8 flex items-center justify-center rounded-lg border bg-white hover:bg-slate-50 text-xs font-bold text-slate transition">
                    {{ num }}
                </a>
                {% elif num == page_obj.number|add:'-3' or num == page_obj.number|add:'3' %}
                <span class="w-8 h-8 flex items-center justify-center text-xs text-slate">...</span>
                {% endif %}
            {% endfor %}
            
            {% if page_obj.has_next %}
            <a href="?page={{ page_obj.next_page_number }}{% for key, value in request.GET.items %}{% if key != 'page' %}&{{ key }}={{ value }}{% endif %}{% endfor %}" 
               class="w-8 h-8 flex items-center justify-center rounded-lg border bg-white hover:bg-slate-50 transition">
                <i data-lucide="chevron-right" class="w-4 h-4 text-slate"></i>
            </a>
            {% else %}
            <span class="w-8 h-8 flex items-center justify-center rounded-lg border bg-slate-100 text-slate-300 cursor-not-allowed">
                <i data-lucide="chevron-right" class="w-4 h-4"></i>
            </span>
            {% endif %}
        </div>
    </div>
    {% endif %}
</div>
{% else %}
<div class="card text-center py-16">
    <i data-lucide="bar-chart-3" class="w-20 h-20 mx-auto text-slate-300 mb-4"></i>
    <h3 class="text-lg font-bold text-navy mb-2">{% trans "No KPI Reports Found" %}</h3>
    <p class="text-slate mb-6">{% trans "Generate your first KPI report to get started." %}</p>
    <a href="{% url 'analytics:kpi_report_generate' %}" class="btn-primary inline-flex items-center gap-2">
        <i data-lucide="plus" class="w-4 h-4"></i>
        {% trans "Generate Report" %}
    </a>
</div>
{% endif %}
{% endblock %}

{% block extra_js %}
<script>
function toggleFilters() {
    const filters = document.getElementById('advancedFilters');
    filters.classList.toggle('hidden');
}

// Search functionality
document.getElementById('searchInput')?.addEventListener('keypress', function(e) {
    if (e.key === 'Enter') {
        const value = this.value;
        if (value) {
            window.location.href = '?search=' + encodeURIComponent(value);
        }
    }
});
</script>
{% endblock %}