@extends('layouts.app')
@section('title', '編集')

@section('content')
{{-- ▼ コンテンツヘッダー（パンくず） --}}
<div class="content-header">
  <div class="container-fluid">
    <div class="row mb-2">
      <div class="col-lg-6"><h1 class="m-0 text-dark">編集</h1></div>
      <div class="col-lg-6">
        <ol class="breadcrumb float-sm-right text-sm">
          <li class="breadcrumb-item"><a href="{{ route('home') }}">ホーム</a></li>
          <li class="breadcrumb-item"><a href="{{ route('news') }}">最新ニュース登録</a></li>
          <li class="breadcrumb-item active">編集</li>
        </ol>
      </div>
    </div>
  </div>
</div>

<section class="content">
<div class="container-fluid">

  {{-- ▼ フラッシュ/エラー表示 --}}
  @if(session('success')) <div class="alert alert-success">{{ session('success') }}</div> @endif
  @if ($errors->any())
    <div class="alert alert-danger"><ul class="mb-0">@foreach($errors->all() as $e)<li>{{ $e }}</li>@endforeach</ul></div>
  @endif

  {{-- ▼ 入力フォーム（新規画面と同一レイアウト） --}}
  <div class="card">
    <div class="card-body">
      <!-- 変更点: フォームIDを app.js に合わせる -->
      <form method="post" action="{{ route('news_edit', ['id'=>$news->news_id ?? $news->id]) }}" id="form_edit">
        @csrf

        {{-- 基本情報 --}}
        <div class="form-group">
          <label>ニュース内容 <span class="text-danger">*</span></label>
          <textarea name="news" class="form-control" rows="8" required>{{ old('news', $news->news) }}</textarea>
        </div>
        <div class="form-group">
          <label>公開日時 <span class="text-danger">*</span></label>
          <input type="text" name="open_datetime" class="form-control" placeholder="YYYY-MM-DD HH:MM:SS"
                 value="{{ old('open_datetime', $news->open_datetime) }}" required>
        </div>
        <div class="form-group">
          <label>リンクURL</label>
          <input type="text" name="link_url" class="form-control" value="{{ old('link_url', $news->link_url) }}">
        </div>

        {{-- 画像操作ボタン行：左=画像1、右=画像2（btn-default に統一） --}}
        <div class="row mb-3">
          <div class="col-md-6 mb-2">
            <div class="btn-group">
              <button type="button" class="btn btn-default" id="btn-image1-upload">画像1アップロード</button>
              <button type="button" class="btn btn-default" id="btn-image1-clear">画像1削除</button>
            </div>
            <input type="file" id="file-image1" accept="image/*" class="d-none">
          </div>
          <div class="col-md-6 mb-2">
            <div class="btn-group">
              <button type="button" class="btn btn-default" id="btn-image2-upload">画像2アップロード</button>
              <button type="button" class="btn btn-default" id="btn-image2-clear">画像2削除</button>
            </div>
            <input type="file" id="file-image2" accept="image/*" class="d-none">
          </div>
        </div>

        {{-- 画像ボックス：左=画像1、右=画像2 --}}
        <div class="row">
          <div class="col-md-6">
            <div class="imgbox mb-3">
              <div class="imgbox-title">画像1</div>
              <div class="mb-2">
                <label class="small text-muted d-block mb-1">画像1URLスペース</label>
                <input type="text" name="image1_filename" id="image1_url" class="form-control" placeholder="http(s)://..."
                       value="{{ old('image1_filename', $news->image1_filename) }}">
              </div>
              <div>
                <label class="small text-muted d-block mb-1">画像1表示スペース</label>
                <div class="imgbox-preview">
                  <img id="image1_preview" src="{{ old('image1_filename', $news->image1_filename) }}" alt=""
                       style="display: {{ old('image1_filename', $news->image1_filename) ? 'block' : 'none' }};">
                  <span id="image1_placeholder" class="text-muted"
                        style="display: {{ old('image1_filename', $news->image1_filename) ? 'none' : 'block' }};">プレビューなし</span>
                </div>
              </div>
            </div>
          </div>

          <div class="col-md-6">
            <div class="imgbox mb-3">
              <div class="imgbox-title">画像2</div>
              <div class="mb-2">
                <label class="small text-muted d-block mb-1">画像2URLスペース</label>
                <input type="text" name="image2_filename" id="image2_url" class="form-control" placeholder="http(s)://..."
                       value="{{ old('image2_filename', $news->image2_filename) }}">
              </div>
              <div>
                <label class="small text-muted d-block mb-1">画像2表示スペース</label>
                <div class="imgbox-preview">
                  <img id="image2_preview" src="{{ old('image2_filename', $news->image2_filename) }}" alt=""
                       style="display: {{ old('image2_filename', $news->image2_filename) ? 'block' : 'none' }};">
                  <span id="image2_placeholder" class="text-muted"
                        style="display: {{ old('image2_filename', $news->image2_filename) ? 'none' : 'block' }};">プレビューなし</span>
                </div>
              </div>
            </div>
          </div>
        </div>

        {{-- 表示モード（ラジオ・必須／新規画面と同一UI） --}}
        <div class="form-group mt-3">
          <label class="d-block">表示モード <span class="text-danger">*</span></label>
          <div class="form-check form-check-inline">
            <input class="form-check-input" type="radio" name="mode" id="mode_draft" value="2" required
                   @checked(old('mode', (string)$news->mode)=='2')>
            <label class="form-check-label" for="mode_draft">下書き(非表示)</label>
          </div>
          <div class="form-check form-check-inline">
            <input class="form-check-input" type="radio" name="mode" id="mode_public" value="1"
                   @checked(old('mode', (string)$news->mode)=='1')>
            <label class="form-check-label" for="mode_public">公開</label>
          </div>
          <div class="form-check form-check-inline">
            <input class="form-check-input" type="radio" name="mode" id="mode_auto" value="3"
                   @checked(old('mode', (string)$news->mode)=='3')>
            <label class="form-check-label" for="mode_auto">自動公開</label>
          </div>
          <div class="form-check form-check-inline">
            <input class="form-check-input" type="radio" name="mode" id="mode_hidden" value="0"
                   @checked(old('mode', (string)$news->mode)=='0')>
            <label class="form-check-label" for="mode_hidden">非表示</label>
          </div>
        </div>

        <div class="text-right">
          <a href="{{ route('news') }}" class="btn btn-default">戻る</a>
          <button type="button" class="btn btn-default" id="register_edit">保存</button>
        </div>
      </form>
    </div>
  </div>

</div>
</section>
@endsection

@push('styles')
<style>
/* 画像ボックス（新規画面と同一） */
.imgbox { border:1px solid #ced4da; border-radius:.25rem; }
.imgbox-title { background:#f4f6f9; border-bottom:1px solid #ced4da; padding:.5rem .75rem; font-weight:600; }
.imgbox-preview {
  border:1px solid #ced4da; border-radius:.25rem; background:#f8f9fa;
  height:200px; display:flex; align-items:center; justify-content:center; overflow:hidden;
}
.imgbox-preview img { max-width:100%; max-height:100%; display:block; }
</style>
@endpush

@push('scripts')
<script>
// 画像プレビュー系のみ（確認ダイアログは app.js に委譲）
(function(){
  function bindUrlPreview(urlId, imgId, phId) {
    const url = document.getElementById(urlId);
    const img = document.getElementById(imgId);
    const ph  = document.getElementById(phId);
    if (!url || !img || !ph) return;
    function update(){
      const v = (url.value || '').trim();
      if (v) { img.src = v; img.style.display='block'; ph.style.display='none'; }
      else   { img.removeAttribute('src'); img.style.display='none'; ph.style.display='block'; }
    }
    url.addEventListener('input', update); update();
  }
  function bindUpload(btnId, fileId, urlId, imgId, phId, clearBtnId){
    const btn = document.getElementById(btnId);
    const file= document.getElementById(fileId);
    const url = document.getElementById(urlId);
    const img = document.getElementById(imgId);
    const ph  = document.getElementById(phId);
    const clr = document.getElementById(clearBtnId);
    if (!btn || !file || !url || !img || !ph || !clr) return;
    btn.addEventListener('click', ()=> file.click());
    file.addEventListener('change', ()=>{
      const f = file.files && file.files[0]; if (!f) return;
      const reader = new FileReader();
      reader.onload = e => { img.src = e.target.result; img.style.display='block'; ph.style.display='none'; };
      reader.readAsDataURL(f);
    });
    clr.addEventListener('click', ()=>{
      file.value=''; url.value='';
      img.removeAttribute('src'); img.style.display='none'; ph.style.display='block';
    });
  }

  bindUrlPreview('image1_url','image1_preview','image1_placeholder');
  bindUrlPreview('image2_url','image2_preview','image2_placeholder');
  bindUpload('btn-image1-upload','file-image1','image1_url','image1_preview','image1_placeholder','btn-image1-clear');
  bindUpload('btn-image2-upload','file-image2','image2_url','image2_preview','image2_placeholder','btn-image2-clear');
})();
</script>
@endpush

@push('scripts')
<script>
/* 保存ボタン：確認 → 送信（app.js なしでも動く） */
(function () {
  const btn  = document.getElementById('register_edit');
  const form = document.getElementById('form_edit');
  if (!btn || !form) return;

  btn.addEventListener('click', function (e) {
    e.preventDefault();

    // HTML5必須チェックを先に実行
    if (typeof form.reportValidity === 'function' && !form.reportValidity()) return;

    function submitNow() {
      btn.disabled = true; // 二重送信防止
      form.submit();
    }

  });
})();
</script>
@endpush