@extends('backend.master')

@push('styles')
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css" />
<style>
:root{ --gap:12px; --border:#e9ecef; --muted:#6c757d; }
.card{ border-radius:12px; } .card-header{ border-bottom:1px solid var(--border); }
.table thead th{ font-weight:600; text-transform:uppercase; font-size:12px; letter-spacing:.04em; border-bottom:2px solid var(--border)!important;}
.table td{ vertical-align:middle; }
.badge{ padding:.5em .65em; font-weight:600; }
.btn-soft{ border:1px solid rgba(0,0,0,.08); background:#fff; box-shadow:0 1px 2px rgba(0,0,0,.04); }
.btn-soft:hover{ box-shadow:0 2px 6px rgba(0,0,0,.08); }

/* Filters */
.filters-wrap{ display:grid; grid-template-columns:1fr auto; gap:var(--gap);}
.filters-title{ display:flex; align-items:center; gap:10px;}
.filter-toggle{ display:inline-flex; align-items:center; gap:8px; border:1px solid var(--border); border-radius:8px; padding:6px 10px; background:#fff; cursor:pointer;}
.filters{ grid-column:1/-1; display:grid; gap:var(--gap); background:#f8f9fa; border:1px solid var(--border); border-radius:10px; padding:10px; transition:max-height .25s ease, opacity .2s ease; overflow:hidden; max-height:0; opacity:0;}
.filters.open{ max-height:300px; opacity:1; }
.filters-grid{ display:grid; gap:var(--gap); }
@media (min-width:768px){
  .filters-wrap{ grid-template-columns:auto 1fr; }
  .filter-toggle{ display:none; }
  .filters{ grid-column:2/3; background:transparent; border:none; padding:0; max-height:none; opacity:1; overflow:visible; }
  .filters-grid{ grid-auto-flow:column; grid-auto-columns:max-content; align-items:center; gap:var(--gap); }
  .filters-grid .form-select,.filters-grid .form-control{ width:220px; }
  .filters-grid .input-group{ width:300px; }
}

/* Custom modal */
.cmodal{ position:fixed; inset:0; z-index:1090; display:none; align-items:center; justify-content:center;}
.cmodal.show{ display:flex; }
.cmodal .cm-backdrop{ position:absolute; inset:0; background:rgba(10,12,16,.55); backdrop-filter:blur(2px);}
.cmodal .cm-dialog{ position:relative; z-index:1; width:min(560px, calc(100% - 32px)); border-radius:14px; background:#fff; box-shadow:0 20px 60px rgba(0,0,0,.25); overflow:hidden; transform:translateY(16px) scale(.98); opacity:0; transition:transform .18s ease, opacity .18s ease;}
.cmodal.show .cm-dialog{ transform:translateY(0) scale(1); opacity:1;}
.cm-header{ padding:14px 18px; border-bottom:1px solid #edf1f5; display:flex; align-items:center; gap:10px;}
.cm-title{ font-size:18px; font-weight:700; margin:0; display:flex; align-items:center; gap:10px;}
.cm-body{ padding:18px;} .cm-footer{ padding:14px 18px; border-top:1px solid #edf1f5; display:flex; justify-content:flex-end; gap:10px;}
.cm-close{ margin-left:auto; appearance:none; border:0; background:transparent; font-size:22px; line-height:1; padding:0 6px; cursor:pointer; color:var(--muted);}
.cm-close:hover{ color:#111; transform:scale(1.05); }
.cm-btn{ border:0; border-radius:10px; padding:9px 14px; cursor:pointer; font-weight:600;}
.cm-btn.light{ background:#f1f3f5; color:#111;}
.cm-btn.success{ background:#198754; color:#fff;}
.cm-btn.danger{ background:#dc3545; color:#fff;}
</style>
@endpush

@section('content')
<div class="container py-4">
  <div class="card shadow-sm border-0">
    <div class="card-header bg-white">
      <div class="filters-wrap">
        <h5 class="filters-title mb-0"><i class="fa-solid fa-hand-holding-dollar me-2"></i> Loan Applications</h5>

        <button type="button" class="filter-toggle" id="filterToggle" aria-expanded="false" aria-controls="filters">
          <i class="fa-solid fa-filter"></i> Filters
        </button>

        <form id="filters" method="get" class="filters {{ request()->hasAny(['status','q']) ? 'open' : '' }}">
          <div class="filters-grid">
            <select name="status" class="form-select form-select-sm" onchange="this.form.submit()">
              <option value="">All statuses</option>
              <option value="pending"  @selected(request('status')==='pending')>Pending</option>
              <option value="approved" @selected(request('status')==='approved')>Approved</option>
              <option value="rejected" @selected(request('status')==='rejected')>Rejected</option>
            </select>
            <div class="input-group input-group-sm">
              <span class="input-group-text"><i class="fa-solid fa-magnifying-glass"></i></span>
              <input type="text" name="q" class="form-control" value="{{ request('q') }}" placeholder="Search by id / user name">
            </div>
            <button class="btn btn-sm btn-primary" type="submit"><i class="fa-solid fa-filter me-1"></i><span class="d-none d-md-inline">Apply</span><span class="d-md-none">Go</span></button>
            @if(request()->hasAny(['status','q']))
              <a href="{{ route('admin.loans.index') }}" class="btn btn-sm btn-soft"><i class="fa-solid fa-rotate-left me-1"></i> Reset</a>
            @endif
          </div>
        </form>
      </div>
    </div>

    <div class="card-body">
      @if(session('ok'))
        <div class="alert alert-success mb-3"><i class="fa-solid fa-circle-check me-1"></i>{{ session('ok') }}</div>
      @endif
      @if ($errors->any())
        <div class="alert alert-danger mb-3">
          <strong><i class="fa-solid fa-triangle-exclamation me-1"></i>Validation error:</strong>
          <ul class="mb-0">@foreach ($errors->all() as $e)<li>{{ $e }}</li>@endforeach</ul>
        </div>
      @endif

      <div class="table-responsive">
        <table class="table align-middle">
          <thead>
            <tr>
              <th>#</th>
              <th>User</th>
              <th>Amount</th>
              <th>Period</th>
              <th>Interest</th>
              <th>Estimated Total</th>
              <th>Image</th>
              <th>Status</th>
              <th>Created</th>
              <th class="text-end">Actions</th>
            </tr>
          </thead>
          <tbody>
          @forelse($loans as $l)
            <tr>
              <td class="text-muted">#{{ $l->id }}</td>
              <td><i class="fa-solid fa-user me-1 text-muted"></i>{{ $l->user?->name ?? 'Guest' }}</td>
              <td><i class="fa-solid fa-bangladeshi-taka-sign me-1 text-muted"></i>{{ number_format($l->loan_amount) }}</td>
              <td><i class="fa-regular fa-calendar me-1 text-muted"></i>{{ $l->loan_period }} mo</td>
              <td>{{ number_format($l->interest_rate,2) }}%</td>
              <td><i class="fa-solid fa-bangladeshi-taka-sign me-1 text-muted"></i>{{ number_format($l->estimated_total) }}</td>
              <td>
                @if($l->image_path)
                  <a href="{{ asset($l->image_path) }}" target="_blank"><i class="fa-regular fa-image"></i></a>
                @else
                  <span class="text-muted">—</span>
                @endif
              </td>
              <td>
                @php
                  $badgeClass = match($l->status) {
                    'approved' => 'bg-success',
                    'rejected' => 'bg-danger',
                    default    => 'bg-warning text-dark',
                  };
                  $icon = match($l->status) {
                    'approved' => 'fa-circle-check',
                    'rejected' => 'fa-circle-xmark',
                    default    => 'fa-hourglass-half',
                  };
                @endphp
                <span class="badge {{ $badgeClass }}"><i class="fa-solid {{ $icon }} me-1"></i>{{ ucfirst($l->status) }}</span>
              </td>
              <td><i class="fa-regular fa-clock me-1 text-muted"></i>{{ $l->created_at?->format('Y-m-d H:i') }}</td>
              <td class="text-end">
                <a href="{{ route('admin.loans.repayments',$l) }}" class="btn btn-sm btn-soft me-1"><i class="fa-solid fa-list-check me-1"></i> Schedule</a>
                @if($l->status==='pending')
                  <button type="button" class="btn btn-sm btn-success me-1" onclick="openLoanModal('approve','{{ route('admin.loans.approve',$l) }}')"><i class="fa-solid fa-check me-1"></i> Approve</button>
                  <button type="button" class="btn btn-sm btn-outline-danger btn-soft" onclick="openLoanModal('reject','{{ route('admin.loans.reject',$l) }}')"><i class="fa-solid fa-xmark me-1"></i> Reject</button>
                @else
                  <span class="text-muted">—</span>
                @endif
              </td>
            </tr>
          @empty
            <tr><td colspan="10" class="text-center text-muted py-5"><i class="fa-regular fa-folder-open fa-2x mb-2 d-block"></i>No applications found.</td></tr>
          @endforelse
          </tbody>
        </table>
      </div>

      <div class="mt-3">{{ $loans->links() }}</div>
    </div>
  </div>
</div>

{{-- Approve/Reject Modal --}}
<div id="loanActionModal" class="cmodal" aria-hidden="true">
  <div class="cm-backdrop" data-close="1"></div>
  <div class="cm-dialog" role="dialog" aria-modal="true" aria-labelledby="laTitle">
    <form id="loanActionForm" method="post" onsubmit="return lockSubmit(this)">
      @csrf
      <div class="cm-header">
        <h5 class="cm-title" id="laTitle"><i id="laIcon" class="fa-solid fa-circle-check"></i> Confirm</h5>
        <button type="button" class="cm-close" aria-label="Close" data-close="1">&times;</button>
      </div>
      <div class="cm-body"><p id="laPrompt" class="mb-0"></p></div>
      <div class="cm-footer">
        <button type="button" class="cm-btn light" data-close="1"><i class="fa-regular fa-circle-xmark me-1"></i> Cancel</button>
        <button id="laSubmit" type="submit" class="cm-btn success"><i class="fa-solid fa-check me-1"></i> Confirm</button>
      </div>
    </form>
  </div>
</div>

@push('scripts')
<script>
(function(){
  // Filters toggle
  const toggle = document.getElementById('filterToggle');
  const filters = document.getElementById('filters');
  if (toggle && filters) toggle.addEventListener('click', ()=> {
    const open = filters.classList.toggle('open');
    toggle.setAttribute('aria-expanded', open ? 'true' : 'false');
  });

  // Modal logic
  const modal  = document.getElementById('loanActionModal');
  const dialog = modal.querySelector('.cm-dialog');
  const form   = modal.querySelector('#loanActionForm');
  const title  = modal.querySelector('#laTitle');
  const icon   = modal.querySelector('#laIcon');
  const prompt = modal.querySelector('#laPrompt');
  const submit = modal.querySelector('#laSubmit');

  window.openLoanModal = function(type, actionUrl){
    form.action = actionUrl;
    if (type === 'approve') {
      title.textContent = 'Approve application';
      title.prepend(icon);
      icon.className = 'fa-solid fa-circle-check'; icon.style.color = '#198754';
      prompt.innerHTML = '<i class="fa-solid fa-circle-info me-1"></i> This will mark application as <strong>approved</strong> and generate the repayment schedule.';
      submit.className = 'cm-btn success';
      submit.innerHTML = '<i class="fa-solid fa-check me-1"></i> Approve';
    } else {
      title.textContent = 'Reject application';
      title.prepend(icon);
      icon.className = 'fa-solid fa-triangle-exclamation'; icon.style.color = '#dc3545';
      prompt.innerHTML = '<i class="fa-solid fa-triangle-exclamation me-1"></i> This will mark application as <strong>rejected</strong>.';
      submit.className = 'cm-btn danger';
      submit.innerHTML = '<i class="fa-solid fa-xmark me-1"></i> Reject';
    }
    show();
  };

  function show(){ modal.classList.add('show'); modal.removeAttribute('aria-hidden'); document.addEventListener('keydown', escClose); document.documentElement.style.overflow = 'hidden'; }
  function hide(){ modal.classList.remove('show'); modal.setAttribute('aria-hidden','true'); document.removeEventListener('keydown', escClose); document.documentElement.style.overflow = ''; }
  function escClose(e){ if (e.key==='Escape') hide(); }
  modal.addEventListener('click', e => { if (e.target.dataset.close) hide(); });
  dialog.addEventListener('click', e => e.stopPropagation());
  modal.querySelectorAll('[data-close]').forEach(btn => btn.addEventListener('click', hide));

  window.lockSubmit = function(frm){
    const btn = frm.querySelector('button[type=submit]');
    if (btn && !btn.dataset.loading) { btn.dataset.loading='1'; btn.disabled=true; btn.insertAdjacentHTML('beforeend',' <i class="fa-solid fa-spinner fa-spin ms-1"></i>'); }
    return true;
  };
})();
</script>
@endpush
@endsection