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

{% block title %}{% trans "QI Projects" %} - PX360{% endblock %}

{% block extra_css %}
<style>
    .status-active { background-color: #e0f2fe; color: #075985; }
    .status-pending { background-color: #fef9c3; color: #854d0e; }
    .status-completed { background-color: #dcfce7; color: #166534; }
    .status-cancelled { 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="folder-kanban" class="w-7 h-7 text-cyan-500"></i>
                {% trans "Quality Improvement Projects" %}
            </h1>
            <p class="text-sm text-slate mt-1">{% trans "Track and manage quality improvement initiatives" %}</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 projects...' %}"
                       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"
                       value="{{ filters.search|default:'' }}">
            </div>
            {% if user.is_px_admin or user.is_hospital_admin or user.is_department_manager %}
            <a href="{% url 'projects:template_list' %}" class="bg-white text-navy border-2 border-navy/30 px-5 py-2.5 rounded-xl text-sm font-bold hover:bg-navy hover:text-white flex items-center gap-2 transition">
                <i data-lucide="copy" class="w-4 h-4"></i> {% trans "Templates" %}
            </a>
            <a href="{% url 'projects:project_create' %}" 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 "Create Project" %}
            </a>
            {% endif %}
        </div>
    </div>
</header>

<!-- Statistics Cards -->
<div class="grid grid-cols-4 gap-6 mb-6">
    <div class="bg-white p-4 rounded-2xl border shadow-sm flex items-center gap-4">
        <div class="p-3 bg-blue/10 rounded-xl">
            <i data-lucide="layers" class="text-blue w-5 h-5"></i>
        </div>
        <div>
            <p class="text-[10px] font-bold text-slate uppercase tracking-wider">{% trans "Total Projects" %}</p>
            <p class="text-xl font-black text-navy leading-tight">{{ stats.total }}</p>
        </div>
    </div>
    <div class="bg-white p-4 rounded-2xl border shadow-sm flex items-center gap-4">
        <div class="p-3 bg-cyan-50 rounded-xl">
            <i data-lucide="play-circle" class="text-cyan-600 w-5 h-5"></i>
        </div>
        <div>
            <p class="text-[10px] font-bold text-slate uppercase tracking-wider">{% trans "Active" %}</p>
            <p class="text-xl font-black text-navy leading-tight">{{ stats.active }}</p>
        </div>
    </div>
    <div class="bg-white p-4 rounded-2xl border shadow-sm flex items-center gap-4">
        <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-4 rounded-2xl border shadow-sm flex items-center gap-4">
        <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>

<!-- Filter Tabs -->
<div class="bg-white rounded-t-2xl shadow-sm border-2 border-slate-200">
    <div class="px-6 py-4 border-b-2 border-slate-200 flex items-center justify-between bg-gradient-to-r from-slate-50 to-slate-100">
        <h3 class="font-bold text-navy flex items-center gap-2">
            <i data-lucide="filter" class="w-5 h-5 text-navy"></i>
            {% trans "Filters" %}
        </h3>
    <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 Projects" %}
        </a>
        <a href="?status=active" class="filter-btn px-4 py-1.5 rounded-full text-xs font-semibold transition {% if filters.status == 'active' %}active{% endif %}">
            {% trans "Active" %}
        </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=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>
        {% if user.is_px_admin %}
        <div class="h-4 w-[1px] bg-slate-200 mx-2"></div>
        <div class="flex items-center gap-2">
            <label class="text-xs font-bold text-slate uppercase">{% trans "Hospital" %}</label>
            <select id="hospitalFilter" 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>
    </div>
    <p class="px-6 py-2 text-[10px] font-bold text-slate uppercase bg-slate-50 border-b-2 border-slate-200">
        {% 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>

<!-- Projects Table -->
<div class="bg-white rounded-b-2xl shadow-sm border-2 border-slate-200 overflow-hidden border-t-0">
    <div class="px-6 py-4 border-b-2 border-slate-200 bg-gradient-to-r from-slate-50 to-slate-100">
        <h3 class="font-bold text-navy flex items-center gap-2">
            <i data-lucide="folder-kanban" class="w-5 h-5 text-cyan-500"></i>
            {% trans "Projects" %}
        </h3>
    </div>
    <table class="w-full text-left border-collapse">
        <thead class="bg-slate-50 border-b uppercase text-[10px] font-bold text-slate tracking-wider">
            <tr>
                <th class="px-6 py-4">{% trans "Project" %}</th>
                <th class="px-6 py-4">{% trans "Hospital" %}</th>
                <th class="px-6 py-4">{% trans "Project Lead" %}</th>
                <th class="px-6 py-4">{% trans "Status" %}</th>
                <th class="px-6 py-4">{% trans "Tasks" %}</th>
                <th class="px-6 py-4">{% trans "Timeline" %}</th>
                <th class="px-6 py-4 text-right">{% trans "Actions" %}</th>
            </tr>
        </thead>
        <tbody class="text-sm divide-y divide-slate-100">
            {% for project in projects %}
            <tr class="hover:bg-light/30 transition-colors cursor-pointer group" onclick="window.location.href='{% url 'projects:project_detail' pk=project.pk %}'">
                <td class="px-6 py-4">
                    <a href="{% url 'projects:project_detail' pk=project.pk %}" class="font-bold text-navy hover:text-blue" onclick="event.stopPropagation()">
                        {{ project.name }}
                    </a>
                    {% if project.description %}
                    <p class="text-xs text-slate mt-0.5 truncate max-w-xs">{{ project.description|truncatechars:60 }}</p>
                    {% endif %}
                </td>
                <td class="px-6 py-4">
                    <span class="bg-slate-100 px-2 py-0.5 rounded text-[10px] font-bold text-slate-600">{{ project.hospital.name }}</span>
                </td>
                <td class="px-6 py-4 text-slate-600">
                    {% if project.project_lead %}
                    {{ project.project_lead.get_full_name }}
                    {% else %}
                    <span class="text-muted">-</span>
                    {% endif %}
                </td>
                <td class="px-6 py-4">
                    {% if project.status == 'active' %}
                    <span class="status-active px-2.5 py-1 rounded-full text-[10px] font-bold uppercase">{{ project.get_status_display }}</span>
                    {% elif project.status == 'pending' %}
                    <span class="status-pending px-2.5 py-1 rounded-full text-[10px] font-bold uppercase">{{ project.get_status_display }}</span>
                    {% elif project.status == 'completed' %}
                    <span class="status-completed px-2.5 py-1 rounded-full text-[10px] font-bold uppercase">{{ project.get_status_display }}</span>
                    {% elif project.status == 'cancelled' %}
                    <span class="status-cancelled px-2.5 py-1 rounded-full text-[10px] font-bold uppercase">{{ project.get_status_display }}</span>
                    {% else %}
                    <span class="bg-slate-100 px-2.5 py-1 rounded-full text-[10px] font-bold uppercase text-slate-600">{{ project.get_status_display }}</span>
                    {% endif %}
                </td>
                <td class="px-6 py-4">
                    {% with total=project.tasks.count completed=project.tasks.completed.count %}
                    <div class="flex items-center gap-2">
                        <div class="flex-1 h-1.5 bg-slate-200 rounded-full overflow-hidden max-w-[80px]">
                            {% if total > 0 %}
                            <div class="h-full bg-green-500 rounded-full" style="width: {{ completed|div:total|mul:100|floatformat:0 }}%"></div>
                            {% endif %}
                        </div>
                        <span class="text-xs text-slate">
                            <span class="text-green-600 font-semibold">{{ completed }}</span>/{{ total }}
                            {% if total > 0 %}
                            <span class="text-muted">({{ completed|div:total|mul:100|floatformat:0 }}%)</span>
                            {% endif %}
                        </span>
                    </div>
                    {% endwith %}
                </td>
                <td class="px-6 py-4 text-slate-600">
                    {% if project.start_date or project.target_completion_date %}
                    <small>
                        {% if project.start_date %}{{ project.start_date|date:"M d" }}{% else %}-{% endif %}
                        →
                        {% if project.target_completion_date %}{{ project.target_completion_date|date:"M d, Y" }}{% else %}-{% endif %}
                    </small>
                    {% else %}
                    <span class="text-muted">-</span>
                    {% endif %}
                </td>
                <td class="px-6 py-4 text-right">
                    <div class="flex justify-end gap-2 opacity-0 group-hover:opacity-100 transition-opacity">
                        <a href="{% url 'projects:project_detail' pk=project.pk %}" class="p-1.5 text-navy hover:bg-white rounded border border-transparent hover:border-slate-200" title="{% trans 'View' %}" onclick="event.stopPropagation()">
                            <i data-lucide="eye" class="w-4 h-4"></i>
                        </a>
                        {% if user.is_px_admin or user.is_hospital_admin or user.is_department_manager %}
                        <a href="{% url 'projects:project_edit' pk=project.pk %}" class="p-1.5 text-blue hover:bg-white rounded border border-transparent hover:border-slate-200" title="{% trans 'Edit' %}" onclick="event.stopPropagation()">
                            <i data-lucide="pencil" class="w-4 h-4"></i>
                        </a>
                        {% endif %}
                    </div>
                </td>
            </tr>
            {% empty %}
            <tr>
                <td colspan="7" class="px-6 py-12 text-center">
                    <i data-lucide="kanban" class="w-12 h-12 mx-auto text-slate-300 mb-3"></i>
                    <p class="text-slate mb-3">{% trans "No projects found" %}</p>
                    {% if user.is_px_admin or user.is_hospital_admin or user.is_department_manager %}
                    <a href="{% url 'projects:project_create' %}" class="bg-navy text-white px-5 py-2.5 rounded-xl text-sm font-bold shadow-lg shadow-navy/20 hover:bg-blue inline-flex items-center gap-2 transition">
                        <i data-lucide="plus" class="w-4 h-4"></i> {% trans "Create First Project" %}
                    </a>
                    {% endif %}
                </td>
            </tr>
            {% endfor %}
        </tbody>
    </table>
    
    <!-- Pagination -->
    {% if page_obj.has_other_pages %}
    <div class="bg-slate-50 px-8 py-4 flex items-center justify-between border-t">
        <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>
        </div>
        <div class="flex gap-2">
            {% if page_obj.has_previous %}
            <a href="?page={{ page_obj.previous_page_number }}{% if filters.search %}&search={{ filters.search }}{% endif %}{% if filters.status %}&status={{ filters.status }}{% endif %}{% if filters.hospital %}&hospital={{ filters.hospital }}{% endif %}" 
               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 page_obj.number == num %}
                <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 }}{% if filters.search %}&search={{ filters.search }}{% endif %}{% if filters.status %}&status={{ filters.status }}{% endif %}{% if filters.hospital %}&hospital={{ filters.hospital }}{% endif %}" 
                   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 }}{% if filters.search %}&search={{ filters.search }}{% endif %}{% if filters.status %}&status={{ filters.status }}{% endif %}{% if filters.hospital %}&hospital={{ filters.hospital }}{% endif %}" 
                   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 }}{% if filters.search %}&search={{ filters.search }}{% endif %}{% if filters.status %}&status={{ filters.status }}{% endif %}{% if filters.hospital %}&hospital={{ filters.hospital }}{% endif %}" 
               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>

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

// Hospital filter
document.getElementById('hospitalFilter')?.addEventListener('change', function() {
    let url = '?';
    if (this.value) url += 'hospital=' + this.value;
    {% if filters.search %}url += '&search={{ filters.search }}';{% endif %}
    {% if filters.status %}url += '&status={{ filters.status }}';{% endif %}
    window.location.href = url;
});
</script>
{% endblock %}