<?php
// +----------------------------------------------------------------------
// | YwxApp [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: ywxapp<admin@ywxapp.cn>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace addon\blog\controller\backend;

use addon\blog\model\BlogArticle as ArticleModel;
use addon\blog\model\BlogCategory as CategoryModel;
use addon\blog\model\BlogTag as TagModel;
use think\facade\Request;
use think\facade\View;
use think\Validate;
use ywxapp\controller\BackendBase;

/**
 * Article 类
 *
 * @author ywxapp <admin@ywxapp.cn>
 */
class Article extends BackendBase
{

    protected $noNeedVerify = ['*'];

    
    protected function initialize()
    {}

    /**
     * 文章列表（ajax 请求返回 layui table 所需 JSON，普通请求渲染视图）
     */
    public function index()
    {
        $status   = Request::param('status', 'all');
        $audit    = Request::param('audit', 'all');
        $keyword  = Request::param('keyword', '');
        $page     = Request::param('page', 1);
        $limit    = Request::param('limit', 15);

        if (Request::isAjax()) {
            $query = ArticleModel::with(['user', 'category', 'tags']);

            if ($status !== 'all') {
                $query->where('status', $status);
            }
            if ($audit !== 'all' && in_array((int) $audit, [0, 1, 2, 3], true)) {
                $query->where('audit_status', (int) $audit);
            }
            if ($keyword) {
                $query->where('title|content', 'like', "%{$keyword}%");
            }

            $paginator = $query->order('create_at', 'desc')
                ->paginate(['list_rows' => $limit, 'page' => $page]);

            $rows = [];
            foreach ($paginator->items() as $a) {
                $rows[] = [
                    'id'          => $a->id,
                    'title'       => $a->title,
                    'is_top'      => $a->is_top,
                    'author'      => $a->user->nickname ?? '-',
                    'category'    => $a->category->name ?? '-',
                    'tags'        => implode(',', $a->tags->column('name')),
                    'status'      => $a->status,
                    'audit_status' => $a->audit_status,
                    'view_count'     => (int) $a->view_count,
                    'comment_count'  => (int) $a->comment_count,
                    'like_count'     => (int) $a->like_count,
                    'favorite_count' => (int) $a->favorite_count,
                    'share_count'    => (int) $a->share_count,
                    'create_at'   => $a->create_at,
                    'create_text' => (function ($t) {
                        if ($t instanceof \DateTime) return $t->format('Y-m-d H:i');
                        if (is_numeric($t)) return date('Y-m-d H:i', (int) $t);
                        $ts = strtotime((string) $t);
                        return $ts !== false ? date('Y-m-d H:i', $ts) : (string) $t;
                    })($a->create_at),
                    'edit_url'    => (string) url('blog/backend.article/edit', ['id' => $a->id]),
                ];
            }

            return json([
                'code'  => 0,
                'msg'   => '',
                'count' => $paginator->total(),
                'data'  => $rows,
            ]);
        }

        return View::fetch('article/index', [
            'status'  => $status,
            'audit'   => $audit,
            'keyword' => $keyword,
        ]);
    }

    /**
     * 编辑文章页面
     */
    public function edit($id = null)
    {
        $article = ArticleModel::with(['tags'])->find($id);
        if (! $article) {
            return redirect('/blog/backend/article');
        }

        $categories  = CategoryModel::where('status', 1)->select();
        $tags        = TagModel::select();
        $articleTags = $article->tags->column('id');
        $tagNamesStr = implode(',', $article->tags->column('name'));

        return View::fetch('article/edit', [
            'article'     => $article,
            'categories'  => $categories,
            'tags'        => $tags,
            'articleTags' => $articleTags,
            'tagNamesStr' => $tagNamesStr,
        ]);
    }

    /**
     * 更新文章
     */
    public function update($id)
    {
        $article = ArticleModel::find($id);
        if (! $article) {
            return json(['code' => 0, 'msg' => '文章不存在']);
        }

        $data              = Request::post();
        $data['update_at'] = time();
        $data['uid']       = $data['user_id'] ?? $article->uid;
        $data['is_top']    = isset($data['is_top']) ? 1 : 0;
        unset($data['user_id']);

        $validate = new Validate([
            'title|标题'   => 'require|max:255',
            'content|内容' => 'require',
            'uid|作者'     => 'require|number',
            'cid|分类'     => 'require|number',
        ]);

        if (! $validate->check($data)) {
            return json(['code' => 0, 'msg' => $validate->getError()]);
        }

        // 处理标签
        $tagIds = [];
        if (! empty($data['tags'])) {
            $tagNames = is_array($data['tags']) ? $data['tags'] : explode(',', $data['tags']);
            foreach ($tagNames as $name) {
                $name = trim($name);
                if ($name === '') {
                    continue;
                }
                $tag      = TagModel::where('name', $name)->find() ?: TagModel::create(['name' => $name]);
                $tagIds[] = $tag->id;
            }
        }

        $article->save($data);
        $article->tags()->sync($tagIds);
        \addon\blog\service\BlogSearchService::sync($article->id);

        return json(['code' => 1, 'msg' => '文章更新成功', 'url' => '/blog/backend/article']);
    }

    /**
     * 删除文章
     */
    public function delete($id)
    {
        $article = ArticleModel::find($id);
        if ($article) {
            \addon\blog\service\BlogSearchService::remove($article->id);
            $article->tags()->detach();
            $article->delete();
            return json(['code' => 1, 'msg' => '文章已删除']);
        }
        return json(['code' => 0, 'msg' => '文章不存在']);
    }

    /**
     * 批量操作
     */
    public function batch()
    {
        $action = Request::post('action');
        $ids    = Request::post('ids/a');

        if (empty($ids)) {
            return json(['code' => 0, 'msg' => '请选择文章']);
        }

        switch ($action) {
            case 'delete':
                ArticleModel::destroy($ids);
                return json(['code' => 1, 'msg' => '批量删除成功']);
            case 'publish':
                ArticleModel::whereIn('id', $ids)->update(['status' => 1]);
                return json(['code' => 1, 'msg' => '批量发布成功']);
            case 'draft':
                ArticleModel::whereIn('id', $ids)->update(['status' => 0]);
                return json(['code' => 1, 'msg' => '批量设为草稿成功']);
            default:
                return json(['code' => 0, 'msg' => '无效操作']);
        }
    }

    /**
     * 审核通过（人工复核）：置通过态并对外可见
     */
    public function audit($id = 0)
    {
        $article = ArticleModel::find($id);
        if (! $article) {
            return json(['code' => 0, 'msg' => '文章不存在']);
        }
        $article->audit_status = 2;
        $article->status       = 1;
        $article->save();
        return json(['code' => 1, 'msg' => '审核通过']);
    }

    /**
     * 审核驳回：置驳回态并下架
     */
    public function reject($id = 0)
    {
        $article = ArticleModel::find($id);
        if (! $article) {
            return json(['code' => 0, 'msg' => '文章不存在']);
        }
        $reason = trim((string) Request::post('reason', ''));
        $article->audit_status = 3;
        $article->status       = 0;
        $article->save();
        return json(['code' => 1, 'msg' => '已驳回' . ($reason !== '' ? '：' . $reason : '')]);
    }
}