@extends('layouts.site')

@section('content')
<section class="wrapper bg-[#f0f7ff] py-12">
  <div class="container px-4">
    <div class="max-w-4xl mx-auto">
      
      <!-- Top header / Welcome card -->
      <div class="bg-white rounded-3xl p-6 md:p-8 shadow-xl border border-slate-100/50 flex flex-col md:flex-row justify-between items-start md:items-center gap-6 mb-8">
        <div>
          <span class="text-xs uppercase font-extrabold tracking-widest text-[#e31e24] bg-red-50 px-3 py-1.5 rounded-full">Stajyer Paneli</span>
          <h1 class="text-3xl font-extrabold text-slate-900 tracking-tight mt-3">Hoş Geldiniz, {{ $intern->name }}</h1>
          <p class="text-sm text-slate-500 mt-1">Staj belgelerinizi ve başvuru detaylarınızı buradan yönetebilirsiniz.</p>
        </div>
        <form action="{{ route('intern.logout') }}" method="POST">
          @csrf
          <button type="submit" class="px-5 py-3 rounded-xl bg-slate-100 hover:bg-red-50 text-slate-600 hover:text-[#e31e24] font-bold text-sm transition-all flex items-center gap-2 border border-slate-200/50 hover:border-red-100">
            <i class="uil uil-sign-out-alt text-lg"></i>
            <span>Çıkış Yap</span>
          </button>
        </form>
      </div>

      <!-- Session & Validation Alerts -->
      @if(session('success'))
      <div class="bg-green-50 border border-green-200 text-green-700 px-6 py-4 rounded-3xl mb-8 flex items-center gap-3 shadow-sm">
        <i class="uil uil-check-circle text-2xl flex-shrink-0"></i>
        <span class="font-bold text-sm">{{ session('success') }}</span>
      </div>
      @endif

      @if(session('error'))
      <div class="bg-red-50 border border-red-200 text-[#e31e24] px-6 py-4 rounded-3xl mb-8 flex items-center gap-3 shadow-sm">
        <i class="uil uil-exclamation-octagon text-2xl flex-shrink-0"></i>
        <span class="font-bold text-sm">{{ session('error') }}</span>
      </div>
      @endif

      @if($errors->any())
      <div class="bg-red-50 border border-red-200 text-[#e31e24] px-6 py-4 rounded-3xl mb-8 shadow-sm">
        <div class="flex items-center gap-3 mb-2">
          <i class="uil uil-exclamation-octagon text-2xl flex-shrink-0"></i>
          <span class="font-bold text-sm">Lütfen aşağıdaki hataları düzeltin:</span>
        </div>
        <ul class="list-disc list-inside text-xs font-semibold space-y-1 ml-1">
          @foreach($errors->all() as $error)
            <li>{{ $error }}</li>
          @endforeach
        </ul>
      </div>
      @endif

      <!-- Application Info & Document Download Grid -->
      <div class="grid grid-cols-1 md:grid-cols-12 gap-8">
        
        <!-- Sidebar stats / statuses -->
        <div class="md:col-span-4 space-y-6">
          <div class="bg-white rounded-3xl p-6 shadow-xl border border-slate-100/50">
            <h3 class="font-bold text-slate-800 text-lg mb-4 pb-2 border-b border-slate-100">Başvuru Detayları</h3>
            
            <div class="space-y-4">
              <div>
                <span class="text-xs text-slate-400 font-semibold block">E-posta</span>
                <span class="text-sm font-semibold text-slate-700 block mt-0.5">{{ $intern->email }}</span>
              </div>
              
              @if($intern->phone)
              <div>
                <span class="text-xs text-slate-400 font-semibold block">Telefon</span>
                <span class="text-sm font-semibold text-slate-700 block mt-0.5">{{ $intern->phone }}</span>
              </div>
              @endif

              <div>
                <span class="text-xs text-slate-400 font-semibold block">Staj Durumu</span>
                <span class="inline-flex mt-1.5 px-3 py-1 rounded-full text-xs font-bold uppercase tracking-wider
                  @if($intern->status === 'accepted') bg-green-50 text-green-700 border border-green-200
                  @elseif($intern->status === 'rejected') bg-red-50 text-red-700 border border-red-200
                  @elseif($intern->status === 'reviewed') bg-blue-50 text-blue-700 border border-blue-200
                  @elseif($intern->status === 'waiting_document') bg-amber-50 text-amber-700 border border-amber-200
                  @else bg-slate-50 text-slate-500 border border-slate-200 @endif">
                  @if($intern->status === 'accepted') Kabul Edildi
                  @elseif($intern->status === 'rejected') Reddedildi
                  @elseif($intern->status === 'reviewed') İncelendi
                  @elseif($intern->status === 'waiting_document') Belge Bekleniyor
                  @else Beklemede @endif
                </span>
              </div>

              @if($intern->internship_start_date)
              <div class="border-t border-slate-100 pt-4">
                <span class="text-xs text-slate-400 font-semibold block">Staj Başlangıç Tarihi</span>
                <span class="text-sm font-semibold text-slate-700 block mt-0.5">{{ \Carbon\Carbon::parse($intern->internship_start_date)->format('d.m.Y') }}</span>
              </div>
              @endif

              @if($intern->internship_end_date)
              <div>
                <span class="text-xs text-slate-400 font-semibold block">Staj Bitiş Tarihi</span>
                <span class="text-sm font-semibold text-slate-700 block mt-0.5">{{ \Carbon\Carbon::parse($intern->internship_end_date)->format('d.m.Y') }}</span>
              </div>
              @endif

              @if($intern->internship_total_days)
              <div>
                <span class="text-xs text-slate-400 font-semibold block">Toplam Süre</span>
                <span class="text-sm font-bold text-blue-600 block mt-0.5">{{ $intern->internship_total_days }} İş Günü <span class="text-xs text-slate-400 font-normal">(Haftada 5 Gün)</span></span>
              </div>
              @endif
            </div>
          </div>
        </div>

        <!-- Document download cards -->
        <div class="md:col-span-8 space-y-6">
          <div class="bg-white rounded-3xl p-6 md:p-8 shadow-xl border border-slate-100/50">
            <h3 class="font-bold text-slate-800 text-lg mb-6 pb-2 border-b border-slate-100">Belgeleriniz</h3>

            <div class="space-y-6">
              
              <!-- CV Card -->
              <div class="p-5 rounded-2xl border border-slate-100 bg-slate-50/50 flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4 hover:border-slate-200 transition-all">
                <div class="flex items-center gap-4">
                  <div class="w-12 h-12 rounded-xl bg-red-50 text-[#e31e24] flex items-center justify-center text-2xl flex-shrink-0">
                    <i class="uil uil-file-alt"></i>
                  </div>
                  <div>
                    <h4 class="font-bold text-slate-800 text-base">Özgeçmiş (CV)</h4>
                    <p class="text-xs text-slate-400 mt-0.5">Başvuru sırasında yüklemiş olduğunuz özgeçmiş belgeniz.</p>
                  </div>
                </div>
                @if($intern->cv_path)
                <a href="{{ Storage::disk('public')->url($intern->cv_path) }}" target="_blank" class="w-full sm:w-auto px-5 py-2.5 bg-slate-800 hover:bg-slate-900 text-white font-bold rounded-xl text-sm transition-all flex items-center justify-center gap-2 shadow-md">
                  <i class="uil uil-arrow-down-tray"></i>
                  <span>İndir</span>
                </a>
                @else
                <span class="text-xs text-slate-400 italic">Yüklenmemiş</span>
                @endif
              </div>

              <!-- Intern Upload: To Be Signed Form Card -->
              <div class="p-5 rounded-2xl border border-slate-100 bg-slate-50/50 hover:border-slate-200 transition-all">
                <div class="flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4 mb-4">
                  <div class="flex items-center gap-4">
                    <div class="w-12 h-12 rounded-xl bg-blue-50 text-blue-600 flex items-center justify-center text-2xl flex-shrink-0">
                      <i class="uil uil-file-upload-alt"></i>
                    </div>
                    <div>
                      <h4 class="font-bold text-slate-800 text-base">İmzalanacak Staj Formu</h4>
                      @if($intern->to_be_signed_internship_form_path)
                      <p class="text-xs text-green-600 font-semibold mt-0.5">Staj formunuz başarıyla yüklendi. İmza işlemleri için hazır.</p>
                      @else
                      <p class="text-xs text-slate-400 mt-0.5">İmzalanmasını istediğiniz staj formunu buradan yükleyebilirsiniz.</p>
                      @endif
                    </div>
                  </div>
                  
                  <div class="flex items-center gap-2 w-full sm:w-auto">
                    @if($intern->to_be_signed_internship_form_path)
                    <a href="{{ Storage::disk('public')->url($intern->to_be_signed_internship_form_path) }}" target="_blank" class="px-4 py-2.5 bg-slate-850 hover:bg-slate-900 text-white font-bold rounded-xl text-xs transition-all flex items-center justify-center gap-1.5 shadow-sm">
                      <i class="uil uil-arrow-down-tray"></i>
                      <span>Görüntüle</span>
                    </a>
                    <button type="button" onclick="document.getElementById('upload-form-wrapper').classList.toggle('hidden')" class="px-4 py-2.5 bg-blue-50 hover:bg-blue-100 text-blue-600 font-bold rounded-xl text-xs transition-all flex items-center justify-center gap-1.5">
                      <i class="uil uil-edit"></i>
                      <span>Değiştir</span>
                    </button>
                    @else
                    <button type="button" onclick="document.getElementById('upload-form-wrapper').classList.toggle('hidden')" class="w-full sm:w-auto px-5 py-2.5 bg-blue-600 hover:bg-blue-700 text-white font-bold rounded-xl text-sm transition-all flex items-center justify-center gap-2 shadow-md shadow-blue-500/10">
                      <i class="uil uil-plus"></i>
                      <span>Yükle</span>
                    </button>
                    @endif
                  </div>
                </div>

                <!-- Form Upload Dropzone Area -->
                <div id="upload-form-wrapper" class="{{ $intern->to_be_signed_internship_form_path ? 'hidden' : '' }} mt-4 border-t border-slate-100 pt-4">
                  <form action="{{ route('intern.upload-form') }}" method="POST" enctype="multipart/form-data" class="space-y-4">
                    @csrf

                    <!-- Company Legal Info Copy Box -->
                    <div class="bg-slate-50 border border-slate-200/60 rounded-2xl p-5 text-sm text-slate-600">
                      <div class="flex items-center gap-2 mb-3">
                        <i class="uil uil-info-circle text-blue-600 text-lg flex-shrink-0"></i>
                        <h5 class="font-extrabold text-slate-800 text-sm tracking-tight">Şirket Legal Bilgilerimiz</h5>
                      </div>
                      <p class="text-xs text-slate-400 mb-4 leading-normal">
                        Lütfen staj formunuzu doldururken şirketimize ait aşağıdaki resmi bilgileri kullanın. Sağdaki kopyalama butonlarını kullanarak bilgileri kolayca kopyalayabilirsiniz.
                      </p>
                      
                      <div class="space-y-2.5">
                        <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-2 bg-white px-3 py-2 rounded-xl border border-slate-100/80">
                          <span class="text-xs text-slate-400 font-bold sm:w-1/4">Şirket Unvanı</span>
                          <div class="flex items-center justify-between sm:w-3/4 w-full gap-2">
                            <span id="legal-title" class="text-xs font-bold text-slate-700 select-all break-all">TRUNÇGİL TEKNOLOJİ SANAYİ VE TİCARET LİMİTED ŞİRKETİ</span>
                            <button type="button" onclick="copyToClipboard('legal-title', this)" class="text-slate-400 hover:text-blue-600 transition-colors p-1 flex-shrink-0" title="Kopyala">
                              <i class="uil uil-copy text-sm"></i>
                            </button>
                          </div>
                        </div>

                        <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-2 bg-white px-3 py-2 rounded-xl border border-slate-100/80">
                          <span class="text-xs text-slate-400 font-bold sm:w-1/4">Adres</span>
                          <div class="flex items-center justify-between sm:w-3/4 w-full gap-2">
                            <span id="legal-address" class="text-xs font-bold text-slate-700 select-all break-all">Çamtepe Mah. Mahmut Tevfik Atay Bul. Gaziantep Teknopark No: 4A İç Kapı No: 1 Şahinbey / Gaziantep</span>
                            <button type="button" onclick="copyToClipboard('legal-address', this)" class="text-slate-400 hover:text-blue-600 transition-colors p-1 flex-shrink-0" title="Kopyala">
                              <i class="uil uil-copy text-sm"></i>
                            </button>
                          </div>
                        </div>

                        <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-2 bg-white px-3 py-2 rounded-xl border border-slate-100/80">
                          <span class="text-xs text-slate-400 font-bold sm:w-1/4">Vergi Dairesi & No</span>
                          <div class="flex items-center justify-between sm:w-3/4 w-full gap-2">
                            <span id="legal-tax" class="text-xs font-bold text-slate-700 select-all break-all">Şahinbey V.D. / 8591492435</span>
                            <button type="button" onclick="copyToClipboard('legal-tax', this)" class="text-slate-400 hover:text-blue-600 transition-colors p-1 flex-shrink-0" title="Kopyala">
                              <i class="uil uil-copy text-sm"></i>
                            </button>
                          </div>
                        </div>

                        <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-2 bg-white px-3 py-2 rounded-xl border border-slate-100/80">
                          <span class="text-xs text-slate-400 font-bold sm:w-1/4">MERSİS No</span>
                          <div class="flex items-center justify-between sm:w-3/4 w-full gap-2">
                            <span id="legal-mersis" class="text-xs font-bold text-slate-700 select-all break-all">0859149243500001</span>
                            <button type="button" onclick="copyToClipboard('legal-mersis', this)" class="text-slate-400 hover:text-blue-600 transition-colors p-1 flex-shrink-0" title="Kopyala">
                              <i class="uil uil-copy text-sm"></i>
                            </button>
                          </div>
                        </div>
                      </div>
                    </div>
                    
                    <div class="space-y-4">
                      <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
                        <div>
                          <label for="internship_start_date" class="block text-xs font-extrabold text-slate-500 uppercase tracking-wider mb-1.5">Staj Başlangıç Tarihi</label>
                          <input type="date" name="internship_start_date" id="internship_start_date" onchange="calculateEndDateFrontend()" oninput="calculateEndDateFrontend()" required value="{{ $intern->internship_start_date }}" class="w-full px-4 py-3 rounded-xl border border-slate-200 focus:border-blue-400 focus:ring-1 focus:ring-blue-400 focus:outline-none text-sm font-semibold text-slate-700 bg-white transition-all" />
                        </div>
                        <div>
                          <label for="internship_total_days" class="block text-xs font-extrabold text-slate-500 uppercase tracking-wider mb-1.5">Staj Süresi (İş Günü)</label>
                          <input type="number" name="internship_total_days" id="internship_total_days" onchange="calculateEndDateFrontend()" oninput="calculateEndDateFrontend()" min="1" required value="{{ $intern->internship_total_days }}" placeholder="Örn: 20" class="w-full px-4 py-3 rounded-xl border border-slate-200 focus:border-blue-400 focus:ring-1 focus:ring-blue-400 focus:outline-none text-sm font-semibold text-slate-700 bg-white transition-all" />
                        </div>
                      </div>
                      <div>
                        <label for="internship_end_date" class="block text-xs font-extrabold text-slate-500 uppercase tracking-wider mb-1.5">Staj Bitiş Tarihi (Otomatik)</label>
                        <input type="date" name="internship_end_date" id="internship_end_date" readonly class="w-full px-4 py-3 rounded-xl border border-slate-200 bg-slate-50 text-slate-500 cursor-not-allowed focus:outline-none text-sm font-semibold transition-all" value="{{ $intern->internship_end_date }}" />
                      </div>
                    </div>

                    <div class="relative border-2 border-dashed border-slate-200 hover:border-blue-400 rounded-2xl p-6 transition-all bg-white flex flex-col items-center justify-center text-center cursor-pointer group">
                      <input type="file" name="internship_form" id="internship_form" accept=".pdf,.docx,.jpg,.png,.jpeg" onchange="handleFileSelected(this)" class="absolute inset-0 w-full h-full opacity-0 cursor-pointer z-10" />
                      <i class="uil uil-cloud-upload text-4xl text-slate-400 group-hover:text-blue-500 transition-colors mb-2"></i>
                      <p class="text-sm font-bold text-slate-700">Dosya Seçin veya Sürükleyin</p>
                      <p class="text-xs text-slate-400 mt-1">PDF, DOCX, JPG veya PNG (Maks. 50MB)</p>
                      <p id="selected-file-name" class="text-xs font-bold text-blue-600 mt-3"></p>
                    </div>

                    <div class="flex justify-end">
                      <button type="submit" id="submit-upload-btn" disabled class="px-6 py-2.5 bg-blue-600 hover:bg-blue-700 text-white font-bold rounded-xl text-sm transition-all flex items-center gap-2 opacity-50 cursor-not-allowed">
                        <i class="uil uil-check"></i>
                        <span>Dosyayı Kaydet</span>
                      </button>
                    </div>
                  </form>
                </div>
              </div>

              <!-- Signed Internship Form Card -->
              <div class="p-5 rounded-2xl border border-slate-100 bg-slate-50/50 flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4 hover:border-slate-200 transition-all">
                <div class="flex items-center gap-4">
                  <div class="w-12 h-12 rounded-xl @if($intern->signed_internship_form_path) bg-green-50 text-green-600 @else bg-amber-50 text-amber-600 @endif flex items-center justify-center text-2xl flex-shrink-0">
                    <i class="uil uil-file-check-alt"></i>
                  </div>
                  <div class="flex-grow">
                    <h4 class="font-bold text-slate-800 text-base">İmzalı Staj Formu</h4>
                    @if($intern->signed_internship_form_path)
                    <p class="text-xs text-slate-400 mt-0.5">Şirketimiz tarafından imzalanmış ve onaylanmış staj belgeniz.</p>
                    @else
                    <p class="text-xs text-amber-600/90 font-medium mt-0.5">Belgeniz imza aşamasındadır. Yöneticilerimiz tarafından onaylandığında buradan indirebilirsiniz.</p>
                    @endif
                  </div>
                </div>
                
                @if($intern->signed_internship_form_path)
                <a href="{{ Storage::disk('public')->url($intern->signed_internship_form_path) }}" target="_blank" class="w-full sm:w-auto px-5 py-2.5 bg-[#e31e24] hover:bg-[#c4191f] text-white font-bold rounded-xl text-sm transition-all flex items-center justify-center gap-2 shadow-md shadow-red-500/10">
                  <i class="uil uil-arrow-down-tray"></i>
                  <span>İndir</span>
                </a>
                @else
                <button disabled class="w-full sm:w-auto px-5 py-2.5 bg-slate-100 text-slate-400 font-bold rounded-xl text-sm cursor-not-allowed flex items-center justify-center gap-2 border border-slate-200/50">
                  <i class="uil uil-hourglass"></i>
                  <span>Bekleniyor</span>
                </button>
                @endif
              </div>

            </div>
          </div>
        </div>

      </div>

    </div>
  </div>
</section>

@push('styles')
<script src="https://cdn.tailwindcss.com"></script>
<script>
  function handleFileSelected(input) {
    const fileNameElement = document.getElementById('selected-file-name');
    const submitBtn = document.getElementById('submit-upload-btn');
    if (input.files && input.files.length > 0) {
      const file = input.files[0];
      const fileSizeMB = file.size / (1024 * 1024);
      if (fileSizeMB > 50) {
        alert('Dosya boyutu 50MB\'ı aşamaz.');
        input.value = '';
        fileNameElement.textContent = '';
        submitBtn.disabled = true;
        submitBtn.classList.add('opacity-50', 'cursor-not-allowed');
        return;
      }
      fileNameElement.textContent = 'Seçilen dosya: ' + file.name + ' (' + fileSizeMB.toFixed(2) + ' MB)';
      submitBtn.disabled = false;
      submitBtn.classList.remove('opacity-50', 'cursor-not-allowed');
    } else {
      fileNameElement.textContent = '';
      submitBtn.disabled = true;
      submitBtn.classList.add('opacity-50', 'cursor-not-allowed');
    }
  }

  function calculateEndDateFrontend() {
    const startDateVal = document.getElementById('internship_start_date').value;
    const totalDaysVal = document.getElementById('internship_total_days').value;
    const endDateInput = document.getElementById('internship_end_date');
    
    if (!startDateVal || !totalDaysVal || totalDaysVal <= 0) {
      return;
    }
    
    let date = new Date(startDateVal);
    let daysToAdd = parseInt(totalDaysVal);
    let count = 0;
    let endDate = new Date(startDateVal);
    
    while (count < daysToAdd) {
      const dayOfWeek = date.getDay();
      if (dayOfWeek === 6 || dayOfWeek === 0) { // 6 = Saturday, 0 = Sunday
        date.setDate(date.getDate() + 1);
        continue;
      }
      endDate = new Date(date);
      date.setDate(date.getDate() + 1);
      count++;
    }
    
    // Format to YYYY-MM-DD
    const yyyy = endDate.getFullYear();
    const mm = String(endDate.getMonth() + 1).padStart(2, '0');
    const dd = String(endDate.getDate()).padStart(2, '0');
    endDateInput.value = `${yyyy}-${mm}-${dd}`;
  }

  // Trigger calculation once on load if values exist
  document.addEventListener('DOMContentLoaded', function() {
    calculateEndDateFrontend();
  });

  function copyToClipboard(elementId, btn) {
    const text = document.getElementById(elementId).textContent;
    navigator.clipboard.writeText(text).then(() => {
      const icon = btn.querySelector('i');
      const originalClass = icon.className;
      icon.className = 'uil uil-check text-green-500';
      setTimeout(() => {
        icon.className = originalClass;
      }, 2000);
    });
  }
</script>
<style>
  .shadow-xl {
    box-shadow: 0 1rem 3rem rgba(30, 41, 59, 0.04) !important;
  }
</style>
@endpush
@endsection