<?php

namespace app\common\model;


use think\Model;

class Message extends Model
{
    public $page_info;
    /**
     * 站内信列表
     * @access public
     * @author csdeshang
     * @param  array $condition 条件数组
     * @param  int $page 分页页数
     * @return array
     */
    public function getMessageList($condition, $page = '')
    {
        //得到条件语句
        $where = $this->getCondition($condition,false);
        $order = 'message_id DESC';
        $message_list= db('message')->where($where)->order($order)->paginate($page,false,['query' => request()->param()]);
        $this->page_info=$message_list;
        $message=$message_list->items();
        return $message;
    }


    /**
     * 站内信总数
     * @access public
     * @author csdeshang
     * @param array $condition 条件
     * @return int
     */
    public function getMessageCount($condition)
    {
        $where = $this->getCondition($condition,false);
        return db('message')->where($where)->count('message_id');
    }

    /**
     * 获取未读信息数量
     * @access public
     * @author csdeshang
     * @param type $member_id 会员id
     * @return int
     */
    public function getNewMessageCount($member_id)
    {
        $condition_arr = array();
        $condition_arr['to_member_id'] = "$member_id";
        $condition_arr['no_message_state'] = '2';
        $condition_arr['message_open_common'] = '0';
        $condition_arr['no_del_member_id'] = "$member_id";
        $condition_arr['no_read_member_id'] = "$member_id";
        $countnum = $this->getMessageCount($condition_arr);
        return $countnum;
    }

    /**
     * 站内信单条信息
     * @access public
     * @author csdeshang
     * @param  array $condition 条件数组
     * @param  int $page 分页页数
     */
    public function getOneMessage($condition)
    {
        //得到条件语句
        $where = $this->getCondition($condition);
        $message_list=db('message')->alias('message')->where($where)->select();
        return $message_list[0];
    }

    /**
     * 站内信保存
     * @access public
     * @author csdeshang
     * @param type $data 参数内容
     * @return boolean
     */
    public function addMessage($data)
    {
        if ($data['member_id'] == '') {
            return false;
        }
        $array = array();
        $array['message_parent_id'] = isset($data['message_parent_id']) ? $data['message_parent_id'] : '0';
        $array['from_member_id'] = isset($data['from_member_id']) ? $data['from_member_id'] : '0';
        $array['from_member_name'] = isset($data['from_member_name']) ? $data['from_member_name'] : '';
        $array['to_member_id'] = $data['member_id'];
        $array['to_member_name'] = isset($data['to_member_name']) ? $data['to_member_name'] : '';
        $array['message_body'] = trim($data['msg_content']);
        $array['message_time'] = time();
        $array['message_update_time'] = time();
        $array['message_type'] = isset($data['message_type']) ? $data['message_type'] : '0';
        $array['message_ismore'] = isset($data['message_ismore']) ? $data['message_ismore'] : '0';
        $array['read_member_id'] = isset($data['read_member_id']) ? $data['read_member_id'] : '';
        $array['del_member_id'] = isset($data['del_member_id']) ? $data['del_member_id'] : '';
        return db('message')->insertGetId($array);
    }

    /**
     * 更新站内信
     * @access public
     * @author csdeshang
     * @param type $data 更新数据
     * @param type $condition 条件
     * @return boolean
     */
    public function editCommonMessage($data, $condition)
    {
        if (empty($data)) {
            return false;
        }
        //得到条件语句
        $where = $this->getCondition($condition);
        return db('message')->alias('message')->where($where)->update($data);
    }

    /**
     * 删除发送信息
     * @access public
     * @author csdeshang
     * @param type $condition 条件
     * @param type $drop_type 删除类型
     * @return boolean
     */
    public function delCommonMessage($condition, $drop_type)
    {
        //得到条件语句
        $where = $this->getCondition($condition);
        //查询站内信列表
        $filed= 'message_id,from_member_id,to_member_id,message_state,message_open';
        $message_list = db('message')->alias('message')->where($where)->field($filed)->select();
        unset($where);
        if (empty($message_list)) {
            return true;
        }
        $delmessage_id = array();
        $updatemessage_id = array();
        foreach ($message_list as $k => $v) {
            if ($drop_type == 'msg_private') {
                if ($v['message_state'] == 2) {
                    $delmessage_id[] = $v['message_id'];
                }
                elseif ($v['message_state'] == 0) {
                    $updatemessage_id[] = $v['message_id'];
                }
            }
            elseif ($drop_type == 'msg_list') {
                if ($v['message_state'] == 1) {
                    $delmessage_id[] = $v['message_id'];
                }
                elseif ($v['message_state'] == 0) {
                    $updatemessage_id[] = $v['message_id'];
                }
            }
            elseif ($drop_type == 'sns_msg') {
                $delmessage_id[] = $v['message_id'];
            }
        }
        if (!empty($delmessage_id)) {
            $delmessage_id_str = "'" . implode("','", $delmessage_id) . "'";
            $where = $this->getCondition(array('message_id_in' => $delmessage_id_str));
            db('message')->where($where)->delete();
            unset($where);
        }
        if (!empty($updatemessage_id)) {
            $updatemessage_id_str = "'" . implode("','", $updatemessage_id) . "'";
            $where = $this->getCondition(array('message_id_in' => $updatemessage_id_str));
            if ($drop_type == 'msg_private') {
                db('message')->where($where)->update(array('message_state' => 1));
            }
            elseif ($drop_type == 'msg_list') {
                db('message')->where($where)->delete(array('message_state' => 2));
            }
        }
        return true;
    }

    /**
     * 删除批量信息
     * @access public
     * @author csdeshang
     * @param type $condition 条件
     * @param type $to_member_id 会员ID
     * @return boolean
     */
    public function delBatchMessage($condition, $to_member_id)
    {
        //得到条件语句
        $where = $this->getCondition($condition);
        //查询站内信列表
        $message_list=db('message')->alias('message')->where($where)->select();
        unset($where);
        if (empty($message_list)) {
            return true;
        }
        foreach ($message_list as $k => $v) {
            $tmp_delid_str = '';
            if (!empty($v['del_member_id'])) {
                $tmp_delid_arr = explode(',', $v['del_member_id']);
                if (!in_array($to_member_id, $tmp_delid_arr)) {
                    $tmp_delid_arr[] = $to_member_id;
                }
                foreach ($tmp_delid_arr as $delid_k => $delid_v) {
                    if ($delid_v == '') {
                        unset($tmp_delid_arr[$delid_k]);
                    }
                }
                $tmp_delid_arr = array_unique($tmp_delid_arr);//去除相同
                sort($tmp_delid_arr);//排序
                $tmp_delid_str = "," . implode(',', $tmp_delid_arr) . ",";
            }
            else {
                $tmp_delid_str = ",{$to_member_id},";
            }
            if ($tmp_delid_str == $v['to_member_id']) {//所有用户已经全部阅读过了可以删除
                $where['message_id']=$v['message_id'];
                db('message')->where($where)->delete();
            }
            else {
                $where['message_id']=$v['message_id'];
                db('message')->where($where)->update(array('del_member_id' => $tmp_delid_str));
            }
        }
        return true;
    }
    
    /**
     * 获取条件
     * @access public
     * @author csdeshang
     * @param type $condition_array 条件数组
     * @param bool $join 连接
     * @return type
     */
    private function getCondition($condition_array,$join=true)
    {
        $condition_sql = '1=1';
        //站内信编号
        if($join) {
            if (isset($condition_array['message_id']) && $condition_array['message_id'] != '') {
                $condition_sql .= " and message.message_id = '{$condition_array['message_id']}'";
            }
            //父站内信
            if (isset($condition_array['message_parent_id']) && $condition_array['message_parent_id'] != '') {
                $condition_sql .= " and message.message_parent_id = '{$condition_array['message_parent_id']}'";
            }
            //站内信类型
            if (isset($condition_array['message_type']) && $condition_array['message_type'] != '') {
                $condition_sql .= " and message.message_type = '{$condition_array['message_type']}'";
            }
            //站内信类型
            if (isset($condition_array['message_type_in']) && $condition_array['message_type_in'] != '') {
                $condition_sql .= " and message.message_type in (" . $condition_array['message_type_in'] . ")";
            }
            //站内信不显示的状态
            if (isset($condition_array['no_message_state']) && $condition_array['no_message_state'] != '') {
                $condition_sql .= " and message.message_state != '{$condition_array['no_message_state']}'";
            }
            //是否已读
            if (isset($condition_array['message_open_common']) && $condition_array['message_open_common'] != '') {
                $condition_sql .= " and message.message_open = '{$condition_array['message_open_common']}'";
            }
            //普通信件接收到的会员查询条件为
            if (isset($condition_array['to_member_id_common']) && $condition_array['to_member_id_common'] != '') {
                $condition_sql .= " and message.to_member_id='{$condition_array['to_member_id_common']}' ";
            }
            //接收到的会员查询条件为如果message_ismore为1时则to_member_id like'%memberid%',如果message_ismore为0时则to_member_id = memberid
            if (isset($condition_array['to_member_id']) && $condition_array['to_member_id'] != '') {
                $condition_sql .= " and (message.to_member_id ='all' or (message.message_ismore=0 and message.to_member_id='{$condition_array['to_member_id']}') or (message.message_ismore=1 and message.to_member_id like '%,{$condition_array['to_member_id']},%'))";
            }
            //发信人
            if (isset($condition_array['from_member_id']) && $condition_array['from_member_id'] != '') {
                $condition_sql .= " and message.from_member_id='{$condition_array['from_member_id']}' ";
            }
            if (isset($condition_array['from_to_member_id']) && $condition_array['from_to_member_id'] != '') {
                $condition_sql .= " and (message.from_member_id='{$condition_array['from_to_member_id']}' or message.to_member_id='{$condition_array['from_to_member_id']}')";
            }
            //未删除
            if (isset($condition_array['no_del_member_id']) && $condition_array['no_del_member_id'] != '') {
                $condition_sql .= " and message.del_member_id not like '%,{$condition_array['no_del_member_id']},%' ";
            }
            //未读
            if (isset($condition_array['no_read_member_id']) && $condition_array['no_read_member_id'] != '') {
                $condition_sql .= " and message.read_member_id not like '%,{$condition_array['no_read_member_id']},%' ";
            }
            //站内信编号in
            if (isset($condition_array['message_id_in'])) {
                if ($condition_array['message_id_in'] == '') {
                    $condition_sql .= " and message_id in('')";
                }
                else {
                    $condition_sql .= " and message_id in({$condition_array['message_id_in']})";
                }
            }
        }else{
            if (isset($condition_array['message_id']) && $condition_array['message_id'] != '') {
                $condition_sql .= " and message_id = '{$condition_array['message_id']}'";
            }
            //父站内信
            if (isset($condition_array['message_parent_id']) && $condition_array['message_parent_id'] != '') {
                $condition_sql .= " and message_parent_id = '{$condition_array['message_parent_id']}'";
            }
            //站内信类型
            if (isset($condition_array['message_type']) && $condition_array['message_type'] != '') {
                $condition_sql .= " and message_type = '{$condition_array['message_type']}'";
            }
            //站内信类型
            if (isset($condition_array['message_type_in']) && $condition_array['message_type_in'] != '') {
                $condition_sql .= " and message_type in (" . $condition_array['message_type_in'] . ")";
            }
            //站内信不显示的状态
            if (isset($condition_array['no_message_state']) && $condition_array['no_message_state'] != '') {
                $condition_sql .= " and message_state != '{$condition_array['no_message_state']}'";
            }
            //是否已读
            if (isset($condition_array['message_open_common']) && $condition_array['message_open_common'] != '') {
                $condition_sql .= " and message_open = '{$condition_array['message_open_common']}'";
            }
            //普通信件接收到的会员查询条件为
            if (isset($condition_array['to_member_id_common']) && $condition_array['to_member_id_common'] != '') {
                $condition_sql .= " and to_member_id='{$condition_array['to_member_id_common']}' ";
            }
            //接收到的会员查询条件为如果message_ismore为1时则to_member_id like'%memberid%',如果message_ismore为0时则to_member_id = memberid
            if (isset($condition_array['to_member_id']) && $condition_array['to_member_id'] != '') {
                $condition_sql .= " and (to_member_id ='all' or (message_ismore=0 and to_member_id='{$condition_array['to_member_id']}') or (message_ismore=1 and to_member_id like '%,{$condition_array['to_member_id']},%'))";
            }
            //发信人
            if (isset($condition_array['from_member_id']) && $condition_array['from_member_id'] != '') {
                $condition_sql .= " and from_member_id='{$condition_array['from_member_id']}' ";
            }
            if (isset($condition_array['from_to_member_id']) && $condition_array['from_to_member_id'] != '') {
                $condition_sql .= " and (from_member_id='{$condition_array['from_to_member_id']}' or to_member_id='{$condition_array['from_to_member_id']}')";
            }
            //未删除
            if (isset($condition_array['no_del_member_id']) && $condition_array['no_del_member_id'] != '') {
                $condition_sql .= " and del_member_id not like '%,{$condition_array['no_del_member_id']},%' ";
            }
            //未读
            if (isset($condition_array['no_read_member_id']) && $condition_array['no_read_member_id'] != '') {
                $condition_sql .= " and read_member_id not like '%,{$condition_array['no_read_member_id']},%' ";
            }
            //站内信编号in
            if (isset($condition_array['message_id_in'])) {
                if ($condition_array['message_id_in'] == '') {
                    $condition_sql .= " and message_id in('')";
                }
                else {
                    $condition_sql .= " and message_id in({$condition_array['message_id_in']})";
                }
            }
        }
        return $condition_sql;
    }


}