@extends('layouts.app')

@section('content')
<div class="container" style="max-width:700px;">
  <div class="d-flex align-items-center gap-2 mb-4">
    <a href="{{ route('hosts.index') }}" class="btn btn-outline-secondary btn-sm">
      <i class="bi bi-arrow-left"></i>
    </a>
    <h4 class="mb-0"><i class="bi bi-bell me-2"></i>主機監控告警設定</h4>
  </div>

  @if(session('success'))
    <div class="alert alert-success">{{ session('success') }}</div>
  @endif

  <div class="card border-0 shadow-sm mb-3">
    <div class="card-header bg-warning bg-opacity-10">
      <i class="bi bi-globe me-1 text-warning"></i>全域預設閾值
      <small class="text-muted ms-2">套用於未個別設定的所有主機</small>
    </div>
    <div class="card-body">
      <form method="POST" action="{{ route('hosts.monitor-settings.update') }}">
        @csrf @method('PUT')

        {{-- 說明表格 --}}
        <div class="alert alert-light border small mb-3 p-2">
          <i class="bi bi-info-circle me-1 text-primary"></i>
          <strong>警告（中）</strong>：超過即推播通知給管理員。<br>
          <i class="bi bi-exclamation-triangle me-1 text-danger"></i>
          <strong>嚴重（高）</strong>：超過、或同時 ≥2 項告警、或同一項連續 ≥3 次 → 同時<strong>寄信通知</strong>。
        </div>

        <div class="table-responsive"><table class="table table-sm align-middle mb-3">
          <thead class="table-light">
            <tr>
              <th>項目</th>
              <th>警告閾值（中）</th>
              <th>嚴重閾值（高）</th>
            </tr>
          </thead>
          <tbody>
            <tr>
              <td><i class="bi bi-cpu text-primary me-1"></i>CPU</td>
              <td>
                <div class="input-group input-group-sm" style="max-width:130px;">
                  <input type="number" name="cpu" class="form-control @error('cpu') is-invalid @enderror"
                         value="{{ old('cpu', $cpu) }}" min="1" max="99">
                  <span class="input-group-text">%</span>
                </div>
                @error('cpu')<div class="text-danger small">{{ $message }}</div>@enderror
              </td>
              <td>
                <div class="input-group input-group-sm" style="max-width:130px;">
                  <input type="number" name="cpu_critical" class="form-control @error('cpu_critical') is-invalid @enderror"
                         value="{{ old('cpu_critical', $cpu_critical) }}" min="1" max="100">
                  <span class="input-group-text">%</span>
                </div>
                @error('cpu_critical')<div class="text-danger small">{{ $message }}</div>@enderror
              </td>
            </tr>
            <tr>
              <td><i class="bi bi-memory text-success me-1"></i>記憶體</td>
              <td>
                <div class="input-group input-group-sm" style="max-width:130px;">
                  <input type="number" name="mem" class="form-control @error('mem') is-invalid @enderror"
                         value="{{ old('mem', $mem) }}" min="1" max="99">
                  <span class="input-group-text">%</span>
                </div>
                @error('mem')<div class="text-danger small">{{ $message }}</div>@enderror
              </td>
              <td>
                <div class="input-group input-group-sm" style="max-width:130px;">
                  <input type="number" name="mem_critical" class="form-control @error('mem_critical') is-invalid @enderror"
                         value="{{ old('mem_critical', $mem_critical) }}" min="1" max="100">
                  <span class="input-group-text">%</span>
                </div>
                @error('mem_critical')<div class="text-danger small">{{ $message }}</div>@enderror
              </td>
            </tr>
            <tr>
              <td><i class="bi bi-hdd text-warning me-1"></i>磁碟</td>
              <td>
                <div class="input-group input-group-sm" style="max-width:130px;">
                  <input type="number" name="disk" class="form-control @error('disk') is-invalid @enderror"
                         value="{{ old('disk', $disk) }}" min="1" max="99">
                  <span class="input-group-text">%</span>
                </div>
                @error('disk')<div class="text-danger small">{{ $message }}</div>@enderror
              </td>
              <td>
                <div class="input-group input-group-sm" style="max-width:130px;">
                  <input type="number" name="disk_critical" class="form-control @error('disk_critical') is-invalid @enderror"
                         value="{{ old('disk_critical', $disk_critical) }}" min="1" max="100">
                  <span class="input-group-text">%</span>
                </div>
                @error('disk_critical')<div class="text-danger small">{{ $message }}</div>@enderror
              </td>
            </tr>
          </tbody>
        </table></div>

        {{-- 預設告警收件人 --}}
        <div class="mb-3 mt-3">
          <label class="form-label fw-semibold small">
            <i class="bi bi-envelope me-1 text-info"></i>預設告警通知信箱
            <span class="text-muted fw-normal">（多個以逗號分隔）</span>
          </label>
          <input type="text" name="alert_email" class="form-control form-control-sm"
                 value="{{ old('alert_email', $alert_email) }}"
                 placeholder="留空則寄給系統管理員帳號">
          <div class="form-text text-muted small">
            優先順序：主機個別設定 → 此全域設定 → 系統管理員帳號
          </div>
        </div>

        <button type="submit" class="btn btn-primary">
          <i class="bi bi-save me-1"></i>儲存全域設定
        </button>
      </form>
    </div>
  </div>

  <div class="card border-0 shadow-sm">
    <div class="card-body text-muted small">
      <i class="bi bi-info-circle me-1"></i>
      個別主機可在「編輯主機」頁面覆蓋以上預設值，留空則繼承全域設定。
    </div>
  </div>
</div>
@endsection