@extends('layouts.app')
@section('title', '編輯壓力測試')

@section('content')
<div class="container py-4" style="max-width:640px">
  <div class="d-flex align-items-center justify-content-between mb-3">
    <h4 class="mb-0"><i class="bi bi-pencil me-2"></i>編輯測試設定</h4>
    <a href="{{ route('k6.show', $k6Result) }}" class="btn btn-sm btn-outline-secondary">
      <i class="bi bi-arrow-left me-1"></i>返回
    </a>
  </div>

  @if($errors->any())
  <div class="alert alert-danger">
    <ul class="mb-0">@foreach($errors->all() as $e)<li>{{ $e }}</li>@endforeach</ul>
  </div>
  @endif

  <div class="alert alert-info py-2 small">
    <i class="bi bi-info-circle me-1"></i>
    儲存後狀態將重設為「待執行」，可重新執行測試。
  </div>

  <div class="card shadow-sm">
    <div class="card-body p-4">
      <form method="POST" action="{{ route('k6.update', $k6Result) }}">
        @csrf @method('PUT')

        <div class="mb-3">
          <label class="form-label fw-semibold">名稱 <span class="text-danger">*</span></label>
          <input type="text" name="school_name" class="form-control"
                 value="{{ old('school_name', $k6Result->school_name) }}" required>
        </div>

        <div class="mb-3">
          <label class="form-label fw-semibold">測試網址 <span class="text-danger">*</span></label>
          <input type="url" name="target_url" class="form-control"
                 value="{{ old('target_url', $k6Result->url) }}" required>
        </div>

        <hr class="my-3">
        <p class="text-muted small mb-2">登入設定（選填）</p>

        <div class="row g-3 mb-3">
          <div class="col-sm-4">
            <label class="form-label">登入路徑</label>
            <input type="text" name="login_path" class="form-control"
                   value="{{ old('login_path', $k6Result->login_path) }}" placeholder="/login">
          </div>
          <div class="col-sm-4">
            <label class="form-label">帳號</label>
            <input type="email" name="email" class="form-control"
                   value="{{ old('email', $k6Result->email) }}" placeholder="user@example.com">
          </div>
          <div class="col-sm-4">
            <label class="form-label">密碼</label>
            <input type="password" name="password" class="form-control"
                   placeholder="{{ $k6Result->password ? '（保留原密碼請留空）' : '（無）' }}">
            @if($k6Result->password)
            <div class="form-text">留空則保留原密碼</div>
            @endif
          </div>
        </div>

        <hr class="my-3">
        <label class="form-label fw-semibold">測試階段（VUs 人數）</label>
        <div id="vus-container">
          @foreach((is_array($k6Result->stages) ? $k6Result->stages : json_decode($k6Result->stages, true)) as $vus)
          <div class="input-group mb-2">
            <span class="input-group-text">VUs</span>
            <input type="number" name="stages[]" class="form-control"
                   value="{{ $vus }}" min="1" required>
            <button type="button" class="btn btn-outline-danger" onclick="removeVus(this)">
              <i class="bi bi-trash"></i>
            </button>
          </div>
          @endforeach
        </div>
        <button type="button" class="btn btn-outline-secondary btn-sm mt-1" onclick="addVus()">
          <i class="bi bi-plus me-1"></i>新增階段
        </button>

        <div class="d-flex justify-content-end gap-2 mt-4">
          <a href="{{ route('k6.show', $k6Result) }}" class="btn btn-secondary">取消</a>
          <button type="submit" class="btn btn-primary">
            <i class="bi bi-floppy me-1"></i>儲存並重設
          </button>
        </div>
      </form>
    </div>
  </div>
</div>

<script>
function addVus() {
  const container = document.getElementById('vus-container');
  const div = document.createElement('div');
  div.className = 'input-group mb-2';
  div.innerHTML = `
    <span class="input-group-text">VUs</span>
    <input type="number" name="stages[]" class="form-control" placeholder="100" min="1" required>
    <button type="button" class="btn btn-outline-danger" onclick="removeVus(this)">
      <i class="bi bi-trash"></i>
    </button>`;
  container.appendChild(div);
}
function removeVus(btn) {
  const all = document.querySelectorAll('#vus-container .input-group');
  if (all.length > 1) btn.closest('.input-group').remove();
}
</script>
@endsection