@extends('layouts.app')
@section('title', '請假統計')

@section('content')
<div class="container-fluid py-4 px-4">

  <div class="d-flex align-items-center justify-content-between mb-4">
    <div>
      <h4 class="fw-bold mb-0"><i class="bi bi-bar-chart me-2 text-primary"></i>請假統計</h4>
      <div class="text-muted small mt-1">{{ $year }} 年度全員請假彙整</div>
    </div>
    <div class="d-flex gap-2 flex-wrap">
      @foreach([now()->year, now()->year-1] as $y)
        <a href="{{ route('leave.settings.stats', ['year'=>$y, 'inactive'=>$showInactive?1:0]) }}"
           class="btn btn-sm {{ $y==$year ? 'btn-primary' : 'btn-outline-secondary' }}">{{ $y }}</a>
      @endforeach
      @if($showInactive)
        <a href="{{ route('leave.settings.stats', ['year'=>$year]) }}"
           class="btn btn-sm btn-warning ms-2">
          <i class="bi bi-person-slash me-1"></i>含已離職　<span class="text-white-50 small">點此回到在職</span>
        </a>
      @else
        <a href="{{ route('leave.settings.stats', ['year'=>$year, 'inactive'=>1]) }}"
           class="btn btn-sm btn-outline-secondary ms-2">
          <i class="bi bi-person-slash me-1"></i>查看已離職
        </a>
      @endif
      <a href="{{ route('leave.settings.balance') }}" class="btn btn-outline-secondary btn-sm">
        <i class="bi bi-person-lines-fill me-1"></i>配額設定
      </a>
    </div>
  </div>

  <div class="card shadow-sm border-0">
    <div class="card-body p-0">
      <div class="table-responsive">
        <table class="table table-hover align-middle mb-0" style="font-size:.88rem;">
          <thead class="table-light">
            <tr>
              <th class="ps-3 text-muted fw-normal small" style="min-width:80px;">員工編號</th>
              <th class="text-muted fw-normal small" style="min-width:90px;">部門</th>
              <th class="text-muted fw-normal small" style="min-width:90px;">職稱</th>
              <th class="fw-semibold" style="min-width:90px;">姓名</th>
              <th class="text-muted fw-normal small text-center" style="min-width:70px;">年資</th>
              <th class="text-muted fw-normal small text-center" style="min-width:70px;">核定特休</th>
              @foreach($types as $t)
                <th class="text-center small" style="min-width:70px;">
                  <span class="badge rounded-pill text-white" style="background:{{ $t->color }};font-size:.65rem;">{{ $t->name }}</span>
                </th>
              @endforeach
              <th class="text-center small fw-semibold" style="min-width:60px;">合計</th>
            </tr>
          </thead>
          @php $asOf = $year >= now()->year ? now() : \Carbon\Carbon::create($year, 12, 31); @endphp
          <tbody>
            @foreach($users as $u)
            @php
              $userRequests = $requests[$u->id] ?? collect();
              $total = 0;
              // 年資計算（以所選年度 +1/1/1 為基準，使 12/31 整月計入）
              $seniority = '—';
              if ($u->joined_at) {
                  $months    = $u->joined_at->diffInMonths($asOf);
                  $yrs       = intdiv($months, 12);
                  $rem       = $months % 12;
                  $senPart   = ($yrs > 0 ? "{$yrs}年" : '') . ($rem > 0 ? "{$rem}月" : '');
                  $seniority = $senPart ?: '< 1月';
              }
              // 法定特休（年度比例計算）
              $leaveCalc  = $u->annualLeaveForYear($year);
              $annualDays = $annualQuotas[$u->id] ?? null;
            @endphp
            <tr>
              <td class="ps-3 text-muted small font-monospace">{{ $u->employee_no ?: '—' }}</td>
              <td class="text-muted small">{{ $u->department ?: '—' }}</td>
              <td class="text-muted small">{{ $u->position ?: '—' }}</td>
              <td class="fw-semibold">
                {{ $u->name }}
                @if($showInactive && !$u->is_active)
                  <span class="badge bg-secondary ms-1" style="font-size:.6rem;">已離職</span>
                @endif
              </td>
              <td class="text-center text-muted small">{{ $seniority }}</td>
              <td class="text-center">
                @if($annualDays !== null && $leaveCalc)
                  @php $mismatch = (float)$annualDays < $leaveCalc['days']; @endphp
                  <span class="fw-semibold {{ $mismatch ? 'text-danger' : 'text-primary' }}">
                    {{ number_format((float)$annualDays, 2) }}
                  </span>
                  @if($mismatch)
                    <i class="bi bi-exclamation-triangle-fill text-danger ms-1" style="font-size:.7rem;"
                       title="低於法定 {{ number_format((float)$leaveCalc['days'], 2) }} 日"></i>
                  @endif
                @elseif($annualDays !== null)
                  <span class="fw-semibold text-primary">{{ number_format((float)$annualDays, 2) }}</span>
                @else
                  <span class="text-muted">—</span>
                @endif
              </td>
              @foreach($types as $lt)
                @php
                  $used = $userRequests->where('leave_type_id', $lt->id)->sum('days');
                  $total += $used;
                @endphp
                <td class="text-center small">
                  @if($used > 0)
                    <span class="fw-semibold">{{ number_format((float)$used, 2) }}</span>
                  @else
                    <span class="text-muted">—</span>
                  @endif
                </td>
              @endforeach
              <td class="text-center fw-bold {{ $total > 0 ? 'text-primary' : 'text-muted' }}">
                {{ $total > 0 ? number_format((float)$total, 2) : '—' }}
              </td>
            </tr>
            @endforeach
          </tbody>
        </table>
      </div>
    </div>
  </div>
</div>
@endsection