<?php

namespace app\admin\model\cms;

use addons\cms\library\Service;
use think\Exception;
use think\Model;

class Channel extends Model
{

    // 表名
    protected $name = 'cms_channel';
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';
    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';
    // 追加属性
    protected $append = [
        'type_text',
        'status_text',
        'url',
        'fullurl',
        'outlink',
    ];
    protected static $config = [];

    public function getOriginData()
    {
        return $this->origin;
    }

    public function getUrlAttr($value, $data)
    {
        return $this->buildUrl($value, $data);
    }

    public function getFullurlAttr($value, $data)
    {
        return $this->buildUrl($value, $data, true);
    }

    private function buildUrl($value, $data, $domain = false)
    {
        $diyname = isset($data['diyname']) && $data['diyname'] ? $data['diyname'] : $data['id'];
        $cateid = $data['id'] ?? 0;
        $catename = isset($data['diyname']) && $data['diyname'] ? $data['diyname'] : 'all';
        $time = $data['createtime'] ?? time();

        $vars = [
            ':id'       => $data['id'],
            ':diyname'  => $diyname,
            ':channel'  => $cateid,
            ':catename' => $catename,
            ':cateid'   => $cateid,
            ':year'     => date("Y", $time),
            ':month'    => date("m", $time),
            ':day'      => date("d", $time)
        ];
        if (isset($data['type']) && isset($data['outlink']) && $data['type'] == 'link') {
            return $this->getAttr('outlink');
        }
        return addon_url('cms/channel/index', $vars, static::$config['urlsuffix'], $domain);
    }

    public function getOutlinkAttr($value, $data)
    {
        $indexUrl = $view_replace_str = config('view_replace_str.__PUBLIC__');
        $indexUrl = rtrim($indexUrl, '/');
        return str_replace('__INDEX__', $indexUrl, $value);
    }

    protected static function init()
    {
        $config = static::$config = get_addon_config('cms');
        self::beforeInsert(function ($row) {
            if ($row->getData('type') == 'link') {
                $row->model_id = 0;
            }
            $diyname = $row['diyname'] ?? '';
            if ($diyname) {
                $exists = Channel::getByDiyname($diyname);
                if ($exists) {
                    throw new Exception("自定义URL名称已经存在");
                }
            }
        });
        self::beforeUpdate(function ($row) {
            if (isset($row['parent_id']) && $row['parent_id']) {
                $childrenIds = self::getChildrenIds($row['id'], true);
                if (in_array($row['parent_id'], $childrenIds)) {
                    throw new Exception("上级栏目不能是其自身或子栏目");
                }
            }
            if (isset($row['diyname']) && $row['diyname']) {
                $exists = Channel::where('diyname', $row['diyname'])->where('id', '<>', $row['id'])->find();
                if ($exists) {
                    throw new Exception("自定义URL名称已经存在");
                }
            }
        });
        self::beforeWrite(function ($row) {
            //在更新之前对数组进行处理
            foreach ($row->getData() as $k => $value) {
                if (is_array($value) && is_array(reset($value))) {
                    $value = json_encode(self::getArrayData($value), JSON_UNESCAPED_UNICODE);
                } else {
                    $value = is_array($value) ? implode(',', $value) : $value;
                }
                $row->setAttr($k, $value);
            }
        });
        self::afterInsert(function ($row) {
            //创建时自动添加权重值
            $pk = $row->getPk();
            $row->getQuery()->where($pk, $row[$pk])->update(['weigh' => $row[$pk]]);
        });
        self::afterDelete(function ($row) {
            //删除时，删除子节点，同时将所有相关文档移入回收站
            $childIds = self::getChildrenIds($row['id']);
            if ($childIds) {
                Channel::destroy(function ($query) use ($childIds) {
                    $query->where('id', 'in', $childIds);
                });
            }
            $childIds[] = $row['id'];
            db('cms_archives')->where('channel_id', 'in', $childIds)->update(['deletetime' => time()]);
        });
        self::afterWrite(function ($row) use ($config) {
            $changed = $row->getChangedData();
            //隐藏时判断是否有子节点,有则隐藏
            if (isset($changed['status']) && $changed['status'] == 'hidden') {
                $childIds = self::getChildrenIds($row['id']);
                db('cms_channel')->where('id', 'in', $childIds)->update(['status' => 'hidden']);
            }
            //隐藏栏目显示时判断是否有子节点
            if (isset($changed['isnav']) && !$changed['isnav']) {
                $childIds = self::getChildrenIds($row['id']);
                db('cms_channel')->where('id', 'in', $childIds)->update(['isnav' => 0]);
            }
            //推送到熊掌号+百度站长
            if (isset($changed['status']) && $changed['status'] == 'normal') {
                if ($config['baidupush']) {
                    $urls = [$row->fullurl];
                    \think\Hook::listen("baidupush", $urls);
                }
            }
            //刷新栏目统计数据
            if (isset($changed['listtype']) || isset($changed['parent_id'])) {
                $origined = $row->getOriginData();
                $refreshIds = [$origined['parent_id'] ?? 0, $row['parent_id'] ?? 0, $row['id'] ?? 0];
                self::refreshItems($refreshIds);
            }
            //同步配置到子栏目
            if (isset($row['syncconfig'])) {
                $childIds = self::getChildrenIds($row['id']);
                $data = [
                    'channeltpl' => $row['channeltpl'],
                    'listtpl'    => $row['listtpl'],
                    'showtpl'    => $row['showtpl'],
                    'listtype'   => $row['listtype'],
                    'pagesize'   => $row['pagesize'],
                    'vip'        => $row['vip'],
                ];
                db('cms_channel')->where('id', 'in', $childIds)->update($data);
            }
        });
    }

    public static function getTypeList()
    {
        return ['channel' => __('Channel'), 'list' => __('List'), 'link' => __('Link'), 'home_button' => __('Home Button'), 'footer_button' => __('Footer Button')];
    }

    public function getFlagList()
    {
        $config = get_addon_config('cms');
        return $config['flagtype'];
    }

    public static function getStatusList()
    {
        return ['normal' => __('Normal'), 'hidden' => __('Hidden')];
    }

    public static function getSecondaryList()
    {
        return ['normal' => __('Normal'), 'hidden' => __('Hidden')];
    }

    public static function getListtypeList()
    {
        return ['0' => __('自已和所有子级'), '1' => __('自己和一级子级'), '2' => __('仅自己'), '3' => __('仅包含一级子级(不含自己)'), '4' => __('仅包含所有子级(不含自己)')];
    }

    public function getTypeTextAttr($value, $data)
    {
        $value = $value ? $value : $data['type'];
        $list = $this->getTypeList();
        return isset($list[$value]) ? $list[$value] : '';
    }

    public function getStatusTextAttr($value, $data)
    {
        $value = $value ? $value : $data['status'];
        $list = $this->getStatusList();
        return isset($list[$value]) ? $list[$value] : '';
    }

    public function getLinkdataAttr($value, $data)
    {
        $result = [];
        if (isset($data['linktype']) && isset($data['linkid']) && $data['linktype'] && $data['linkid']) {
            $model = Service::getModelByType($data['linktype'], $data['linkid']);
            if ($model) {
                $result = [
                    'type'      => $data['linktype'],
                    'source_id' => $data['linkid'],
                    'title'     => $model['title'] ?? ($model['name'] ?? '未知'),
                    'url'       => $model['url'] ?? '',
                ];
            }
        }
        return $result;
    }

    /**
     * 获取栏目的所有子节点ID，无缓存
     * @param int  $id       栏目ID
     * @param bool $withself 是否包含自身
     * @return array
     */
    public static function getChildrenIds($id, $withself = false)
    {
        static $tree;
        if (!$tree) {
            $tree = \fast\Tree::instance();
            $tree->init(collection(Channel::order('weigh desc,id desc')->field('id,parent_id,name,type,diyname,status')->select())->toArray(), 'parent_id');
        }
        $childIds = $tree->getChildrenIds($id, $withself);
        return $childIds;
    }

    /**
     * 获取栏目的所有父节点ID，无缓存
     * @param int  $id       栏目ID
     * @param bool $withself 是否包含自身
     * @return array
     */
    public static function getParentsIds($id, $withself = false)
    {
        static $tree;
        if (!$tree) {
            $tree = \fast\Tree::instance();
            $tree->init(collection(Channel::order('weigh desc,id desc')->field('id,parent_id,name,type,diyname,status')->select())->toArray(), 'parent_id');
        }
        $childIds = $tree->getParentsIds($id, $withself);
        return $childIds;
    }

    /**
     * 刷新栏目统计数据
     * @param mixed $ids 栏目ID集合
     * @return bool
     */
    public static function refreshItems($ids)
    {
        $ids = is_array($ids) ? $ids : explode(',', $ids);
        $ids = array_filter(array_unique($ids));

        try {
            $channelList = self::where('id', 'in', $ids)->select();
            foreach ($channelList as $index => $channel) {
                if ($channel['parent_id']) {
                    $ids = array_merge($ids, self::getParentsIds($channel['id']));
                }
            }
            $ids = array_filter(array_unique($ids));
            $channelList = self::where('id', 'in', $ids)->select();

            foreach ($channelList as $index => $channel) {
                $count = Archives::where(function ($query) use ($channel) {
                    //只统计当前栏目
                    $query->where('channel_id', $channel['id']);

                    //按栏目列表类型
                    //$query->where(function ($query) use ($channel) {
                    //    if ($channel['listtype'] <= 2) {
                    //        $query->whereOr("channel_id", $channel['id']);
                    //    }
                    //    if ($channel['listtype'] == 1 || $channel['listtype'] == 3) {
                    //        $query->whereOr('channel_id', 'in', function ($query) use ($channel) {
                    //            $query->name("cms_channel")->where('parent_id', $channel['id'])->field("id");
                    //        });
                    //    }
                    //    if ($channel['listtype'] == 0 || $channel['listtype'] == 4) {
                    //        $childrenIds = self::getChildrenIds($channel['id'], false);
                    //        if ($childrenIds) {
                    //            $query->whereOr('channel_id', 'in', $childrenIds);
                    //        }
                    //    }
                    //});

                    //副栏目
                    //$query->whereOr("(`channel_ids`!='' AND FIND_IN_SET('{$channel['id']}', `channel_ids`))");
                })
                    ->where('status', 'normal')
                    ->whereNull('deletetime')
                    ->count();
                $channel->save(['items' => $count]);
            }

        } catch (\Exception $e) {
            \think\Log::record($e->getMessage());
            return false;
        }
        return true;
    }

    public function model()
    {
        return $this->belongsTo('Modelx', 'model_id')->setEagerlyType(0);
    }

    public function getSettingAttr($value, $data)
    {
        return is_array($value) ? $value : (array)json_decode($data['setting'], true);
    }
}