<?php
defined('WXAPP_CONTENT') OR exit('No direct script access allowed');

/**
 * Created by Vim
 * User: lcc
 * Date: 2021/06/24
 * Time: 20:00
 */
require_once  APPPATH.'controllers/wxapp/Wxapp.php';
class Subject extends Wxapp{

    function __construct($inputs, $app_key){
        parent::__construct($inputs, $app_key);

        $this->login_white = array('get');//登录白名单

        $this->load->model('subjects_model');
        $this->load->model("subject_user_fond_model", 'fond_model');

    }

    /**
     * 获取好评列表
     * @return array
     * @throws Exception
     */
    protected function get(){
        $id = $this->input_param('id');

        if($id){
            $this->hit($id);
            return $this->row();
        } else {
            return $this->rows();
        }
    }


    /**
     * 点赞/取消赞
     * @return array
     * @throws Exception
     */
    protected function put_zan(){
        $id = $this->input_param('id');

        if(!$id){
            throw new Exception('请求超时', API_CODE_INVILD_PARAM);
        }

        $row = $this->subjects_model->get(array('id' => $id));

        if($this->app_id != $row['app_id']){
            debug_log("[error] ". __FUNCTION__ . ": data not belong to this app({$this->app_id}), subject.app_id={$row['app_id']}", $this->log_file);
            throw new Exception('好评不存在', API_CODE_FORB);
        }
        if(self::STATUS_NOR != $row['status']){
            throw new Exception('好评可能下架了', API_CODE_FAIL);
        }
        $zanc = intval($row['zan_num']);

        $uid = $this->session['uid'];

        //是否已经存在该用户的赞
        $where = array(
            'app_id' => $this->app_id,
            'app_uid' => $uid,
            'type' => self::FOND_ZAN,
            'ftype' => 0,
            'ftype_id' => $id,
        );
        $count = $this->fond_model->count($where);
        if($count){//存在，取消点赞
            $ret = $this->fond_model->delete($where);
            if(!$ret){
                debug_log("[error] ". __FUNCTION__ . ": " . $this->fond_model->db->last_query(), $this->log_file);
                throw new Exception('操作失败', API_CODE_FAIL);
            }
            $zan = 0;
            $zanc--;
            $upd = array('zan_num = zan_num-1' => null);
            $where = array('id' => $id, 'zan_num >' => 0);
        } else {//不存在，新增点赞
            $add = $where;
            $ret = $this->fond_model->add($add);
            if(!$ret){
                debug_log("[error] ". __FUNCTION__ . ": " . $this->fond_model->db->last_query(), $this->log_file);
                throw new Exception('操作失败', API_CODE_FAIL);
            }
            $zan = 1;
            $zanc++;
            $upd = array('zan_num = zan_num+1' => null);
            $where = array('id' => $id);
        }

        //变更推荐总数
        $ret = $this->subjects_model->update($upd, $where);
        if(!$ret){
            debug_log("[error] ". __FUNCTION__ . ": " . $this->subjects_model->db->last_query(), $this->log_file);
        }

        $data = array(
            'zan' => $zan,
            'zanc' => $zanc,
        );

        return $data;
    }

    /**
     * 分享
     * @return array
     * @throws Exception
     */
    protected function put_share(){
        $id = $this->input_param('id');

        if(!$id){
            throw new Exception('请求超时', API_CODE_INVILD_PARAM);
        }

        $row = $this->subjects_model->get(array('id' => $id));
        if($this->app_id != $row['app_id']){
            debug_log("[error] ". __FUNCTION__ . ": data not belong to this app({$this->app_id}), subject.app_id={$row['app_id']}", $this->log_file);
            throw new Exception('好评不存在', API_CODE_FORB);
        }
        if(self::STATUS_NOR != $row['status']){
            throw new Exception('好评可能下架了', API_CODE_FAIL);
        }
        $sharec = intval($row['share_num']);

        //分享总数
        $upd = array('share_num = share_num+1' => null);
        $where = array('id' => $id);
        $ret = $this->subjects_model->update($upd, $where);
        if(!$ret){
            debug_log("[error] ". __FUNCTION__ . ": " . $this->subjects_model->db->last_query(), $this->log_file);
            throw new Exception('操作失败', API_CODE_FAIL);
        }
        $sharec++;
        $data = array(
            'sharec' => $sharec
        );

        return $data;
    }

    /**
     * 好评详情
     * @return array
     * @throws Exception
     */
    private function row(){
        $id = $this->input_param('id');
        if(!$id){
            throw new Exception('请求超时', API_CODE_INVILD_PARAM);
        }

        $uid = $this->session['uid'];

        $row_sub = $this->subjects_model->get(array('id' => $id,'app_id' => $this->app_id));
        if(!$row_sub){
            throw new Exception('数据不存在', API_CODE_FORB);
        }

        //获取作者
        $author = $this->app_user_model->get(array('id' => $row_sub['app_uid']));
        //是否点赞
        $zan = 0;
        if($uid){
            //是否点赞
            $where = array('app_id' => $this->app_id, 'type' => self::FOND_ZAN, 'app_uid' => $uid, 'ftype' => 0, 'ftype_id' => $row_sub['id']);
            $count = $this->fond_model->count($where);
            $zan = $count ? 1 : 0;
        }

        $json_imgs = json_decode($row_sub['imgs'],true);
        $imgs = [];
        if(is_array($json_imgs)){
            foreach($json_imgs as $val){
                $val['img'] && $imgs[] = build_qiniu_image_url($val['img'],750);
            }     
        }

        //去掉内容样式
        $content = preg_replace("/class=['|\"].*?['|\"]/i", '', $row_sub['content']);

        $data = array(
            'id' => $row_sub['id'],
            'headimg' => $author['headimg'],
            'author' => $author['nickname'],
            'title' => $row_sub['title'],
            'content' => $content,
            'time' => friendly_date($row_sub['c_time']),
            'zan' => $zan,
            'zanc' => intval($row_sub['zan_num']),
            'sharec' => intval($row_sub['share_num']),
            "type" => intval($row_sub["type"]),
            'imgs' => $imgs,
            'video' => $row_sub['video'],
            'status' => isset($v['status']) ? intval($v['status']) : 1,
        );

        return $data;
    }

    /**
     * 好评列表
     * @return array
     * @throws Exception
     */
    private function rows(){
        $page = $this->input_param('page');
        $size = $this->input_param('size');
    
        !$page && $page = 1;
        !$size && $size = 20;
    
        $where = array('app_id' => $this->app_id, 'status' => self::STATUS_NOR);

        $lists = $rows = array();
        $total = $this->subjects_model->count($where);
        if($total){
            $select = 'id, title, type, app_uid, imgs, video, c_time';
            $orderby = "sort desc, id desc";
            $rows = $this->subjects_model->select($where, $orderby, $page, $size, $select);
            $authors = [];
            foreach($rows as $v){
                //获取作者
                $author = $authors[$v['app_uid']];
                if(!$author){
                    $authors[$v['app_uid']] = $author = $this->app_user_model->get(array('id' => $v['app_uid']));
                }
                $json_imgs = json_decode($v['imgs'],true);
                $imgs = [];
                if(is_array($json_imgs)){
                    foreach($json_imgs as $val){
                        $val['img'] && $imgs[] = build_qiniu_image_url($val['img'],750);
                    }     
                }
                if($v['type'] && $v['video']){
                    $imgs[] = $v['video'].'?vframe/jpg/offset/1';
                }
                $lists[] = array(
                    'id' => $v['id'],
                    'title' => $v['title'],
                    "type" => intval($v["type"]),
                    'imgs' => $imgs,
                    'video' => $v["video"],
                    'headimg' => $author['headimg'],
                    'author' => $author['nickname'],
                    'time' => friendly_date($v['c_time']),
                );
            }

        }

        $data = array(
            'list' => $lists,
            'total' => intval($total),
        );
        return $data;
    }

    /**
     * 点击量
     * @param $id
     */
    private function hit($id){
        $upd = array(
            'hit_num = hit_num+1' => null,
        );

        $ret = $this->subjects_model->update($upd, array('id' => $id));
        if(!$ret || is_bool($ret)){
            debug_log('[error]' .__FUNCTION__.'# ' . $this->subjects_model->db->last_query(), $this->log_file);
        }
    }
}