<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;

/**
 * 技能列表管理
 *
 * @icon fa fa-tags
 */
class SkillDict extends Backend
{
    /**
     * SkillDict模型对象
     * @var \app\admin\model\SkillDict
     */
    protected $model = null;
    protected $relationSearch = true;
    protected $searchFields = 'id,name,category,master.realname';

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\SkillDict;

        // 从真实技能分类表中拉取分类列表
        $categoryList = Db::name('skill_category')
            ->where('status', 'normal')
            ->order('weigh desc, id asc')
            ->column('name', 'id');

        $categorySearchList = [];
        foreach ($categoryList as $catName) {
            $categorySearchList[$catName] = $catName;
        }

        $this->view->assign("categoryList", $categoryList);
        $this->assignconfig("categorySearchList", $categorySearchList);
        $this->view->assign("sourceList", $this->model->getSourceList());
        $this->view->assign("statusList", $this->model->getStatusList());
    }

    /**
     * 查看技能列表（支持 category_id 跳转过滤，并统计持证师傅人数）
     */
    public function index()
    {
        $this->request->filter(['strip_tags', 'trim']);
        if (false === $this->request->isAjax()) {
            return $this->view->fetch();
        }
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }
        $catIdParam = (int)$this->request->get('category_id', 0);
        [$where, $sort, $order, $offset, $limit] = $this->buildparams();
        $query = $this->model
            ->with(['master'])
            ->where($where);
        if ($catIdParam > 0) {
            $query->where('skill_dict.category_id', $catIdParam);
        }
        $list = $query->order($sort, $order)->paginate($limit);

        $rows = $list->items();
        $names = [];
        foreach ($rows as $r) {
            if (!empty($r['name'])) {
                $names[] = (string)$r['name'];
            }
        }
        $masterCountMap = [];
        if ($names) {
            $stats = Db::name('master_skill')
                ->where('skill_name', 'in', array_unique($names))
                ->field('skill_name, COUNT(DISTINCT master_id) AS cnt')
                ->group('skill_name')
                ->select();
            foreach ($stats as $st) {
                $masterCountMap[$st['skill_name']] = (int)$st['cnt'];
            }
        }
        foreach ($rows as &$item) {
            $item['master_count'] = $masterCountMap[$item['name']] ?? 0;
        }
        unset($item);

        return json(['total' => $list->total(), 'rows' => $rows]);
    }

    /**
     * 添加技能
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                if (!empty($params['category_id'])) {
                    $cat = Db::name('skill_category')->where('id', $params['category_id'])->find();
                    if ($cat) {
                        $params['category'] = $cat['name'];
                    }
                }
                $result = $this->model->allowField(true)->save($params);
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error($this->model->getError());
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->view->assign('defaultCategoryId', (int)$this->request->get('category_id', 0) ?: '');
        return $this->view->fetch();
    }

    /**
     * 编辑技能
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                if (!empty($params['category_id'])) {
                    $cat = Db::name('skill_category')->where('id', $params['category_id'])->find();
                    if ($cat) {
                        $params['category'] = $cat['name'];
                    }
                }
                $result = $row->allowField(true)->save($params);
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error($row->getError());
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->view->assign("row", $row);
        return $this->view->fetch();
    }

    /**
     * 删除保护：已被师傅绑定的技能禁止物理删除
     */
    public function del($ids = null)
    {
        if (false === $this->request->isPost()) {
            $this->error(__('Invalid parameters'));
        }
        $ids = $ids ?: $this->request->post('ids');
        $idArr = array_values(array_filter(array_map('intval', explode(',', (string)$ids))));
        if (!$idArr) {
            $this->error(__('Parameter %s can not be empty', 'ids'));
        }
        $names = Db::name('skill_dict')->where('id', 'in', $idArr)->column('name');
        if ($names) {
            $usedCnt = (int)Db::name('master_skill')->where('skill_name', 'in', $names)->count();
            if ($usedCnt > 0) {
                $this->error('所选技能已被 ' . $usedCnt . ' 条师傅档案绑定，禁止物理删除，请改为「隐藏停用」');
            }
        }
        return parent::del($ids);
    }
}