@extends('admin.layouts.app')

@section('title', 'Research')
@section('page-title', 'Research')
@section('page-subtitle', 'Research studies')

@section('content')
<div class="p-4 lg:p-6">
  <!-- Filter and Actions -->
  <div class="flex flex-wrap items-center justify-between gap-3 mb-6">
    <div class="flex flex-wrap gap-2">
      <a href="{{ route('admin.research.index') }}" class="px-3 py-2 {{ !request('status') ? 'bg-primary-500 text-white' : 'bg-white text-slate-600 border border-slate-200' }} text-xs font-medium rounded-lg">All</a>
      <a href="{{ route('admin.research.filter.status', 'published') }}" class="px-3 py-2 bg-white text-slate-600 text-xs font-medium rounded-lg border border-slate-200">Published</a>
      <a href="{{ route('admin.research.filter.status', 'peer_review') }}" class="px-3 py-2 bg-white text-slate-600 text-xs font-medium rounded-lg border border-slate-200">Peer Review</a>
      <a href="{{ route('admin.research.filter.status', 'in_progress') }}" class="px-3 py-2 bg-white text-slate-600 text-xs font-medium rounded-lg border border-slate-200">In Progress</a>
    </div>
    <a href="{{ route('admin.research.create') }}" class="px-4 py-2 bg-primary-500 text-white text-xs font-medium rounded-lg shadow-lg shadow-primary-500/30">
      <i class="fas fa-plus mr-2"></i>Add Research
    </a>
  </div>

  <!-- Stats Cards -->
  <div class="grid grid-cols-2 lg:grid-cols-5 gap-3 mb-6">
    <div class="bg-white rounded-xl p-4 border border-slate-100">
      <div class="flex items-center gap-3">
        <div class="w-10 h-10 bg-blue-100 rounded-lg flex items-center justify-center">
          <i class="fas fa-flask text-blue-600"></i>
        </div>
        <div>
          <p class="text-lg font-bold text-slate-800">{{ $stats['total'] }}</p>
          <p class="text-xs text-slate-500">Total</p>
        </div>
      </div>
    </div>

    <div class="bg-white rounded-xl p-4 border border-slate-100">
      <div class="flex items-center gap-3">
        <div class="w-10 h-10 bg-primary-100 rounded-lg flex items-center justify-center">
          <i class="fas fa-check-circle text-primary-600"></i>
        </div>
        <div>
          <p class="text-lg font-bold text-slate-800">{{ $stats['published'] }}</p>
          <p class="text-xs text-slate-500">Published</p>
        </div>
      </div>
    </div>

    <div class="bg-white rounded-xl p-4 border border-slate-100">
      <div class="flex items-center gap-3">
        <div class="w-10 h-10 bg-amber-100 rounded-lg flex items-center justify-center">
          <i class="fas fa-spinner text-amber-600"></i>
        </div>
        <div>
          <p class="text-lg font-bold text-slate-800">{{ $stats['in_progress'] }}</p>
          <p class="text-xs text-slate-500">In Progress</p>
        </div>
      </div>
    </div>

    <div class="bg-white rounded-xl p-4 border border-slate-100">
      <div class="flex items-center gap-3">
        <div class="w-10 h-10 bg-violet-100 rounded-lg flex items-center justify-center">
          <i class="fas fa-user-friends text-violet-600"></i>
        </div>
        <div>
          <p class="text-lg font-bold text-slate-800">{{ $stats['peer_review'] }}</p>
          <p class="text-xs text-slate-500">Peer Review</p>
        </div>
      </div>
    </div>

    <div class="bg-white rounded-xl p-4 border border-slate-100">
      <div class="flex items-center gap-3">
        <div class="w-10 h-10 bg-orange-100 rounded-lg flex items-center justify-center">
          <i class="fas fa-quote-right text-orange-600"></i>
        </div>
        <div>
          <p class="text-lg font-bold text-slate-800">{{ $stats['total_citations'] }}</p>
          <p class="text-xs text-slate-500">Citations</p>
        </div>
      </div>
    </div>
  </div>

  <!-- Research Table -->
  <div class="bg-white rounded-xl border border-slate-100 shadow-sm overflow-hidden">
    <div class="p-4 border-b border-slate-100 flex flex-wrap items-center gap-3">
      <form method="GET" action="{{ route('admin.research.index') }}" class="flex-1">
        <div class="relative">
          <input type="text" name="search" value="{{ request('search') }}" placeholder="Search research..." class="w-full pl-9 pr-4 py-2 bg-slate-50 border border-slate-200 rounded-lg text-sm">
          <i class="fas fa-search absolute left-3 top-1/2 -translate-y-1/2 text-slate-400"></i>
        </div>
      </form>
      
      @if(count($categories) > 0)
        <form method="GET" action="{{ route('admin.research.index') }}">
          <select name="category" onchange="this.form.submit()" class="px-3 py-2 bg-slate-50 border border-slate-200 rounded-lg text-xs">
            <option value="">All Categories</option>
            @foreach($categories as $category)
              <option value="{{ $category }}" {{ request('category') == $category ? 'selected' : '' }}>
                {{ $category }}
              </option>
            @endforeach
          </select>
        </form>
      @endif

      @if(count($researchers) > 0)
        <form method="GET" action="{{ route('admin.research.index') }}">
          <select name="researcher_id" onchange="this.form.submit()" class="px-3 py-2 bg-slate-50 border border-slate-200 rounded-lg text-xs">
            <option value="">All Researchers</option>
            @foreach($researchers as $researcher)
              <option value="{{ $researcher->id }}" {{ request('researcher_id') == $researcher->id ? 'selected' : '' }}>
                {{ $researcher->name }}
              </option>
            @endforeach
          </select>
        </form>
      @endif
    </div>
    
    <div class="table-responsive">
      <table class="w-full min-w-[800px]">
        <thead class="bg-slate-50">
          <tr>
            <th class="text-left text-[10px] font-semibold text-slate-500 uppercase px-4 py-3">Title</th>
            <th class="text-left text-[10px] font-semibold text-slate-500 uppercase px-4 py-3 hidden lg:table-cell">Lead Researcher</th>
            <th class="text-left text-[10px] font-semibold text-slate-500 uppercase px-4 py-3">Category</th>
            <th class="text-left text-[10px] font-semibold text-slate-500 uppercase px-4 py-3 hidden md:table-cell">Citations</th>
            <th class="text-left text-[10px] font-semibold text-slate-500 uppercase px-4 py-3">Status</th>
            <th class="text-left text-[10px] font-semibold text-slate-500 uppercase px-4 py-3">Actions</th>
          </tr>
        </thead>
        <tbody class="divide-y divide-slate-100">
          @forelse($studies as $study)
            <tr class="hover:bg-slate-50">
              <td class="px-4 py-3">
                <div class="flex items-start gap-2">
                  <div class="w-10 h-10 bg-gradient-to-br from-blue-500 to-violet-600 rounded-lg flex items-center justify-center flex-shrink-0">
                    <i class="fas fa-file-alt text-white text-sm"></i>
                  </div>
                  <div class="flex-1 min-w-0">
                    <p class="font-semibold text-slate-800 text-sm line-clamp-1">{{ $study->title }}</p>
                    <p class="text-xs text-slate-500 line-clamp-1">{{ Str::limit($study->abstract, 60) }}</p>
                    @if($study->doi)
                      <p class="text-[10px] text-blue-600 font-mono mt-1">DOI: {{ $study->doi }}</p>
                    @endif
                  </div>
                </div>
              </td>
              <td class="px-4 py-3 hidden lg:table-cell">
                <div class="flex items-center gap-2">
                  <img src="{{ $study->leadResearcher->avatar ? asset('storage/' . $study->leadResearcher->avatar) : 'https://ui-avatars.com/api/?name=' . urlencode($study->leadResearcher->name) . '&background=3b82f6&color=fff' }}" class="w-6 h-6 rounded-full">
                  <div>
                    <p class="text-xs text-slate-800">{{ $study->leadResearcher->name }}</p>
                    @if($study->co_authors && count($study->co_authors) > 0)
                      <p class="text-[10px] text-slate-500">+{{ count($study->co_authors) }} co-author{{ count($study->co_authors) > 1 ? 's' : '' }}</p>
                    @endif
                  </div>
                </div>
              </td>
              <td class="px-4 py-3">
                <span class="px-2 py-0.5 bg-violet-50 text-violet-600 text-[10px] font-medium rounded-full">
                  {{ $study->category }}
                </span>
              </td>
              <td class="px-4 py-3 hidden md:table-cell">
                <div class="flex items-center gap-1 text-orange-600">
                  <i class="fas fa-quote-right text-xs"></i>
                  <span class="text-sm font-semibold">{{ $study->citations }}</span>
                </div>
              </td>
              <td class="px-4 py-3">
                <span class="px-2 py-0.5 bg-{{ $study->status == 'published' ? 'primary' : ($study->status == 'peer_review' ? 'blue' : ($study->status == 'in_progress' ? 'amber' : 'red')) }}-50 text-{{ $study->status == 'published' ? 'primary' : ($study->status == 'peer_review' ? 'blue' : ($study->status == 'in_progress' ? 'amber' : 'red')) }}-600 text-[10px] font-medium rounded-full">
                  {{ str_replace('_', ' ', ucwords($study->status, '_')) }}
                </span>
              </td>
              <td class="px-4 py-3">
                <div class="flex gap-1">
                  <a href="{{ route('admin.research.show', $study) }}" class="p-1.5 text-slate-400 hover:text-blue-600 hover:bg-blue-50 rounded">
                    <i class="fas fa-eye text-xs"></i>
                  </a>
                  @if($study->pdf_file)
                    <a href="{{ route('admin.research.download', $study) }}" class="p-1.5 text-slate-400 hover:text-red-600 hover:bg-red-50 rounded" title="Download PDF">
                      <i class="fas fa-file-pdf text-xs"></i>
                    </a>
                  @endif
                  <a href="{{ route('admin.research.edit', $study) }}" class="p-1.5 text-slate-400 hover:text-primary-600 hover:bg-primary-50 rounded">
                    <i class="fas fa-edit text-xs"></i>
                  </a>
                  <form method="POST" action="{{ route('admin.research.destroy', $study) }}" class="inline" onsubmit="return confirm('Are you sure you want to delete this research study?')">
                    @csrf
                    @method('DELETE')
                    <button type="submit" class="p-1.5 text-slate-400 hover:text-red-600 hover:bg-red-50 rounded">
                      <i class="fas fa-trash text-xs"></i>
                    </button>
                  </form>
                </div>
              </td>
            </tr>
          @empty
            <tr>
              <td colspan="6" class="px-4 py-8 text-center text-slate-500">
                <i class="fas fa-flask text-3xl mb-2"></i>
                <p class="text-sm">No research studies found</p>
              </td>
            </tr>
          @endforelse
        </tbody>
      </table>
    </div>
    
    <!-- Pagination -->
    <div class="p-3 border-t border-slate-100">
      {{ $studies->links() }}
    </div>
  </div>
</div>
@endsection