<?php
/*
 * @Author: YwxApp <ywx@ywxapp.cn>
 * @Date: 2026-05-09 00:41:41
 * @LastEditors: YwxApp <ywx@ywxapp.cn>
 * @LastEditTime: 2026-07-23 00:00:00
 * @Description: 友情链接管理
 * @FilePath: \ywxapp_dev\app\backend\controller\Links.php
 * @CustomString: Copyright (c) 2026 YwxApp
 */

declare(strict_types=1);
namespace app\backend\controller;

use think\Request;
use think\facade\Db;
use think\db\exception\DbException;
use think\exception\ValidateException;
use ywxapp\controller\BackendBase;
use ywxapp\model\Links as LinksModel;
use app\backend\validate\Links as LinksValidate;

/**
 * 友情链接管理
 *
 * @author ywxapp <admin@ywxapp.cn>
 */
class Links extends BackendBase
{
    protected $noNeedLogin = [];
    protected $noNeedVerify = [];

    protected function initialize()
    {
        $this->model = new LinksModel();
    }

    /**
     * 列表
     */
    public function index()
    {
        $page  = $this->request->param('page/d', 1);
        $limit = $this->request->param('limit/d', 15);
        $title = $this->request->param('title', '');

        if ($this->request->isAjax()) {
            $query = $this->model->newQuery();
            if ($title !== '') {
                $query->where('title', 'like', '%' . $title . '%');
            }
            $list = $query->order('sort', 'desc')
                ->paginate(['page' => $page, 'list_rows' => $limit]);
            $this->result->setCount($list->total())->success($list->items());
        }

        return $this->fetch();
    }

    /**
     * 保存
     */
    public function save()
    {
        if (! $this->request->isPost()) {
            $this->result->error('请求方式错误', 405);
        }
        $params = $this->request->only(
            ['title', 'url', 'logo', 'description', 'sort', 'status'],
            'post'
        );
        try {
            validate(LinksValidate::class)->check($params);
            $this->model->create($params);
            $this->result->success('', '添加成功');
        } catch (ValidateException $e) {
            $this->result->error($e->getMessage());
        } catch (DbException $e) {
            $this->result->error('添加失败: ' . $e->getMessage(), 2);
        }
    }

    /**
     * 编辑（抽屉表单直接读取行数据，此接口可用于回显）
     */
    public function edit($id = null)
    {
        $id = $id ?: $this->request->param('id');
        $info = $this->model->find($id);
        if (! $info) {
            $this->result->error('友链不存在', 404);
        }
        $this->result->success(['info' => $info]);
    }

    /**
     * 更新
     */
    public function update()
    {
        if (! ($this->request->isAjax() && $this->request->isPut())) {
            $this->result->error('请求方式错误', 405);
        }
        $params = $this->request->param();
        $id     = $params['id'] ?? null;
        $info   = $this->model->find($id);
        if (! $info) {
            $this->result->error('友链不存在', 404);
        }

        // 仅切换状态时不走完整校验（状态开关走此分支）
        $statusOnly = isset($params['status'])
            && count(array_diff(array_keys($params), ['id', 'status'])) === 0;

        if (! $statusOnly) {
            try {
                validate(LinksValidate::class)->check($params);
            } catch (ValidateException $e) {
                $this->result->error($e->getMessage());
            }
        }

        $info->save($params);
        $this->result->success($info, '更新成功');
    }

    /**
     * 回收站列表
     */
    public function recyclebin()
    {
        $page  = $this->request->param('page/d', 1);
        $limit = $this->request->param('limit/d', 15);

        if ($this->request->isAjax()) {
            $list = $this->model->onlyTrashed()
                ->order('sort', 'desc')
                ->paginate(['page' => $page, 'list_rows' => $limit]);
            $this->result->setCount($list->total())->success($list->items());
        }

        return $this->fetch('links/index');
    }

    /**
     * 删除（软删除；force=1 物理删除）
     */
    public function delete()
    {
        if ($this->request->isAjax() && $this->request->isDelete()) {
            $ids   = $this->request->param('ids', '');
            $force = $this->request->param('force', false);
            if (empty($ids)) {
                $this->result->error('请选择要删除的数据');
            }
            $idsArray = array_filter(explode(',', $ids), 'is_numeric');
            if (empty($idsArray)) {
                $this->result->error('参数错误');
            }
            try {
                Db::transaction(function () use ($idsArray, $force) {
                    if ($force) {
                        $this->model->onlyTrashed()
                            ->whereIn('id', $idsArray)
                            ->select()
                            ->each(function ($item) {
                                $item->force()->delete();
                            });
                    } else {
                        $this->model->destroy($idsArray);
                    }
                });
                $this->result->success();
            } catch (\think\exception\HttpResponseException $e) {
                throw $e;
            } catch (\Exception $e) {
                \think\facade\Log::error('批量删除友链失败', [
                    'exception' => $e->__toString(),
                    'ids'       => $idsArray,
                ]);
                $this->result->error('删除失败: ' . ($e->getMessage() ?: $e->__toString()), 500);
            }
        }
    }

    /**
     * 从回收站恢复
     */
    public function restore($ids = '')
    {
        if ($this->request->isAjax() && $this->request->isPost()) {
            $ids = $this->request->param('ids', '');
            if (empty($ids)) {
                $this->result->error('请选择要恢复的数据');
            }
            $idsArray = array_filter(explode(',', $ids), 'is_numeric');
            Db::startTrans();
            try {
                $this->model->withTrashed()
                    ->where('id', 'in', $idsArray)
                    ->select()
                    ->each(function ($item) {
                        $item->restore();
                    });
                Db::commit();
                $this->result->success('恢复成功');
            } catch (DbException $e) {
                Db::rollback();
                $this->result->error('恢复失败: ' . $e->getMessage());
            }
        }
    }
}