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

{% block title %}{% trans "Patients" %} - PX360{% endblock %}

{% block extra_css %}
<style>
    .patient-row {
        transition: all 0.2s ease;
        border-left: 3px solid transparent;
    }
    .patient-row:hover {
        background: #f8fafc;
        border-left-color: #007bbd;
        transform: translateX(2px);
    }
    .table-card {
        transition: box-shadow 0.2s ease;
    }
    .table-card:hover {
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    }
    .field-label {
        font-size: 10px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: #64748b;
    }
</style>
{% endblock %}

{% block content %}
<div class="p-8">
  <!-- Header -->
  <header class="mb-8">
    <div class="flex items-center justify-between">
      <div>
        <h1 class="text-2xl font-bold text-navy flex items-center gap-3">
          <div class="w-10 h-10 bg-blue-100 rounded-xl flex items-center justify-center">
            <i data-lucide="users" class="w-5 h-5 text-blue"></i>
          </div>
          {% trans "Patients" %}
        </h1>
        <p class="text-slate mt-2 text-sm">{% trans "Manage patient records" %}</p>
      </div>
      {% if request.user.is_px_admin or request.user.is_hospital_admin %}
      <a href="{% url 'organizations:patient_create' %}" 
         class="px-5 py-2.5 bg-navy text-white rounded-xl font-semibold shadow-md hover:bg-blue transition flex items-center gap-2">
        <i data-lucide="plus" class="w-4 h-4"></i>
        {% trans "Add Patient" %}
      </a>
      {% endif %}
    </div>
  </header>

  <!-- Filters -->
  <section class="bg-white rounded-2xl p-6 shadow-sm border border-slate-100 mb-6">
    <form method="get" class="grid grid-cols-1 md:grid-cols-4 gap-4" hx-boost="true" hx-target="body">
      <div>
        <label class="field-label">{% trans "Search" %}</label>
        <div class="relative">
          <i data-lucide="search" class="w-4 h-4 text-slate absolute left-3 top-1/2 -translate-y-1/2"></i>
          <input type="text" name="search" value="{{ filters.search|default:'' }}" 
                 class="w-full pl-10 pr-4 py-2.5 border border-slate-200 rounded-xl text-sm focus:ring-2 focus:ring-navy/20 focus:border-navy outline-none transition" 
                 placeholder="{% trans 'Name, MRN, Phone...' %}">
        </div>
      </div>
      
      {% if request.user.is_px_admin %}
      <div>
        <label class="field-label">{% trans "Hospital" %}</label>
        <select name="hospital" class="w-full px-4 py-2.5 border border-slate-200 rounded-xl text-sm focus:ring-2 focus:ring-navy/20 focus:border-navy outline-none transition">
          <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>
        <label class="field-label">{% trans "Status" %}</label>
        <select name="status" class="w-full px-4 py-2.5 border border-slate-200 rounded-xl text-sm focus:ring-2 focus:ring-navy/20 focus:border-navy outline-none transition">
          <option value="">{% trans "All Statuses" %}</option>
          <option value="active" {% if filters.status == 'active' %}selected{% endif %}>{% trans "Active" %}</option>
          <option value="inactive" {% if filters.status == 'inactive' %}selected{% endif %}>{% trans "Inactive" %}</option>
        </select>
      </div>
      
      <div class="flex items-end">
        <button type="submit" class="w-full px-4 py-2.5 border border-slate-200 text-slate rounded-xl font-semibold hover:bg-slate-50 hover:border-slate-300 transition flex items-center justify-center gap-2">
          <i data-lucide="filter" class="w-4 h-4"></i>
          {% trans "Filter" %}
        </button>
      </div>
    </form>
  </section>

  <!-- Patients Table -->
  <section class="bg-white rounded-2xl shadow-sm border border-slate-100 table-card">
    <div class="overflow-x-auto">
      <table class="w-full">
        <thead>
          <tr class="bg-slate-50 border-b border-slate-200">
            <th class="p-4 text-left font-bold text-navy text-xs uppercase tracking-wider">{% trans "Patient" %}</th>
            <th class="p-4 text-left font-bold text-navy text-xs uppercase tracking-wider">{% trans "MRN" %}</th>
            <th class="p-4 text-left font-bold text-navy text-xs uppercase tracking-wider">{% trans "Contact" %}</th>
            <th class="p-4 text-left font-bold text-navy text-xs uppercase tracking-wider">{% trans "Hospital" %}</th>
            <th class="p-4 text-center font-bold text-navy text-xs uppercase tracking-wider">{% trans "Status" %}</th>
            <th class="p-4 text-center font-bold text-navy text-xs uppercase tracking-wider">{% trans "Actions" %}</th>
          </tr>
        </thead>
        <tbody class="divide-y divide-slate-100">
          {% for patient in patients %}
          <tr class="patient-row">
            <td class="p-4">
              <a href="{% url 'organizations:patient_detail' patient.pk %}" class="flex items-center gap-3 group">
                <div class="w-10 h-10 rounded-lg bg-blue/10 flex items-center justify-center group-hover:bg-blue group-hover:text-white transition">
                  <i data-lucide="user" class="w-5 h-5 text-blue group-hover:text-white transition"></i>
                </div>
                <div>
                  <p class="font-bold text-navy group-hover:text-blue transition">{{ patient.get_full_name }}</p>
                  {% if patient.first_name_ar or patient.last_name_ar %}
                  <p class="text-xs text-slate" dir="rtl">{{ patient.first_name_ar }} {{ patient.last_name_ar }}</p>
                  {% endif %}
                </div>
              </a>
            </td>
            <td class="p-4">
              <span class="font-mono text-sm font-medium text-navy bg-slate-50 px-2 py-1 rounded">{{ patient.mrn }}</span>
            </td>
            <td class="p-4">
              {% if patient.phone %}
              <div class="flex items-center gap-2 text-sm mb-1">
                <i data-lucide="phone" class="w-4 h-4 text-slate"></i>
                <span class="text-slate">{{ patient.phone }}</span>
              </div>
              {% endif %}
              {% if patient.email %}
              <div class="flex items-center gap-2 text-sm">
                <i data-lucide="mail" class="w-4 h-4 text-slate"></i>
                <span class="text-slate">{{ patient.email }}</span>
              </div>
              {% endif %}
            </td>
            <td class="p-4">
              <div class="flex items-center gap-2">
                <i data-lucide="building-2" class="w-4 h-4 text-slate"></i>
                <span class="text-sm text-slate">{{ patient.primary_hospital.name|default:"-" }}</span>
              </div>
            </td>
            <td class="p-4 text-center">
              <span class="inline-flex px-3 py-1 rounded-full text-xs font-bold uppercase tracking-wider
                {% if patient.status == 'active' %}bg-green-100 text-green-700
                {% else %}bg-slate-100 text-slate-700{% endif %}">
                {{ patient.get_status_display }}
              </span>
            </td>
            <td class="p-4">
              <div class="flex items-center justify-center gap-1">
                <a href="{% url 'organizations:patient_detail' patient.pk %}" 
                   class="w-8 h-8 flex items-center justify-center rounded-lg bg-blue/10 text-blue hover:bg-blue hover:text-white transition" 
                   title="{% trans 'View' %}">
                  <i data-lucide="eye" class="w-4 h-4"></i>
                </a>
                {% if request.user.is_px_admin or request.user.is_hospital_admin %}
                <a href="{% url 'organizations:patient_update' patient.pk %}" 
                   class="w-8 h-8 flex items-center justify-center rounded-lg bg-slate-100 text-slate hover:bg-navy hover:text-white transition" 
                   title="{% trans 'Edit' %}">
                  <i data-lucide="edit" class="w-4 h-4"></i>
                </a>
                {% endif %}
              </div>
            </td>
          </tr>
          {% empty %}
          <tr>
            <td colspan="6" class="p-12 text-center">
              <div class="flex flex-col items-center justify-center">
                <div class="w-20 h-20 bg-slate-100 rounded-full flex items-center justify-center mb-4">
                  <i data-lucide="users" class="w-10 h-10 text-slate-300"></i>
                </div>
                <p class="text-slate font-medium mb-2">{% trans "No patients found" %}</p>
                <p class="text-slate text-sm mb-4">{% trans "Try adjusting your filters or add a new patient" %}</p>
                {% if request.user.is_px_admin or request.user.is_hospital_admin %}
                <a href="{% url 'organizations:patient_create' %}" 
                   class="px-5 py-2.5 bg-navy text-white rounded-xl font-semibold shadow-md hover:bg-blue transition flex items-center gap-2">
                  <i data-lucide="plus" class="w-4 h-4"></i>
                  {% trans "Add First Patient" %}
                </a>
                {% endif %}
              </div>
            </td>
          </tr>
          {% endfor %}
        </tbody>
      </table>
    </div>
    
    <!-- Pagination -->
    {% if page_obj.has_other_pages %}
    <div class="bg-slate-50 px-8 py-4 flex items-center justify-between border-t border-slate-200">
        <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 font-semibold uppercase">{% 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 font-semibold focus:outline-none focus:ring-2 focus:ring-navy">
                    <option value="10" {% if page_obj.paginator.per_page == 10 %}selected{% endif %}>10</option>
                    <option value="25" {% if page_obj.paginator.per_page == 25 %}selected{% endif %}>25</option>
                    <option value="50" {% if page_obj.paginator.per_page == 50 %}selected{% endif %}>50</option>
                    <option value="100" {% if page_obj.paginator.per_page == 100 %}selected{% endif %}>100</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 %}
  </section>
</div>
{% endblock %}

{% block extra_js %}
<script>
  lucide.createIcons();
</script>
{% endblock %}