<?php

namespace app\api\controller;
use app\api\controller\Base;
use think\Db;
/**
 * @title 微信小程序相关方法
 */
class Wechatprogram extends Base
{

    private $sAppID = 'wxe07868a09209e18b';
    private $sAppSecret = '77bebfbae54b78bf0c79eb3ddd05be87';
    private $sCode2SessionUrl = 'https://api.weixin.qq.com/sns/jscode2session';//登录凭证验证

    public function __construct(\think\Request $request = null) {
        parent::__construct($request);
    }

    /**
     * 获取登录微信的openid和unionid
     */
    public function getLogin(){
        //获取参数
        $aParam = empty($aParam) ? $this->request->post() : $aParam;

        //获取微信登录code
        $sLoginCode = empty($aParam['login_code']) ? '' : $aParam['login_code'];
        if(empty($sLoginCode)){
            return json_encode(['status' => 2,'msg' => 'Please enter the login code']);
        }

        //调用接口
        //url拼接
        $sCode2SessionUrl = $this->sCode2SessionUrl;
        $sCode2SessionUrl .= '?appid='.$this->sAppID.'&secret='.$this->sAppSecret.'&js_code='.$sLoginCode.'&grant_type=GRANT_TYPE';
        $aResult = json_decode(myGet($sCode2SessionUrl),true);
        if(isset($aResult['errcode'])){
            $sMsg = empty($aResult['errmsg']) ? 'Interface request error:'.$aResult['errcode'] : $aResult['errmsg'];
            return  json_encode(['status' => 3,'msg' => $sMsg]);
        }

        //获取微信登录openid
        $sOpenId= empty($aResult['openid']) ? '' : trim($aResult['openid']);
        if(empty($sOpenId)){
            return  json_encode(['status' => 4,'msg' => 'User login information not obtained']);
        }

        //根绝openid获取用户信息
        $aData = [];
        $aUser = json_decode($this->getUser(['openid' => $sOpenId,'is_select_role' => 2]),true);
        $aUser = empty($aUser['data']) ? [] : $aUser['data'];
        if(!empty($aUser)){
            $aData['user'] = $aUser;
        }
        $aData['wechat'] = $aResult;
        return json_encode(['status' => 1,'msg' => 'success','data' => $aData]);
    }

    /**
     * 根据OPENID查询用户信息
     */
    public function getUser($aParam = []){
        //获取参数
        $aParam = empty($aParam) ? $this->request->post() : $aParam;

        //获取用户ID
        $iUserId= empty($aParam['user_id']) ? '' : $aParam['user_id'];

        //获取微信登录openid
        $sOpenId= empty($aParam['openid']) ? '' : $aParam['openid'];
        if(empty($sOpenId) && empty($iUserId)){
            return json_encode(['status' => 2,'msg' => 'Please enter the login openid']);
        }

        //查询用户是否存在
        $aWhere = ['state' => 0];
        if(!empty($iUserId)){
            $aWhere['user_id'] = $iUserId;
        }
        if(!empty($sOpenId)){
            $aWhere['openid'] = $sOpenId;
        }
        $aUser = Db::name('user')->field('user_id,account,openid,icon,email,type')->where($aWhere)->find();
        if(empty($aUser)){
            return json_encode(['status' => 2,'msg' => 'No user information found']);
        }

        //判断是否查询用户角色
        $iIsSelectRole = empty($aParam['is_select_role']) ? 1 : $aParam['is_select_role'];
        if($iIsSelectRole == 1){
            $aUser['roles'] = $this->getUserRoles($aUser);
        }
        return json_encode(['status' => 1,'msg' => 'success','data' => $aUser]);
    }

    /**
     * 用户名密码绑定openid
     */
    public function bindAccount($aParam = []){
        //获取参数
        $aParam = empty($aParam) ? $this->request->post() : $aParam;

        //账号名
        $sAccount= empty($aParam['account']) ? '' : trim($aParam['account']);
        if(empty($sAccount)){
            return json_encode(['status' => 2,'msg' => 'Please enter your account']);
        }
        //密码
        $sPassword= empty($aParam['password']) ? '' : trim($aParam['password']);
        if(empty($sPassword)){
            return json_encode(['status' => 2,'msg' => 'Please enter the password']);
        }
        //openid
        $sOpenId= empty($aParam['openid']) ? '' : trim($aParam['openid']);
        // //unionid
        // $sUnionId= empty($aParam['unionid']) ? '' : trim($aParam['unionid']);
        if(empty($sOpenId)){// && empty($sUnionId)
            return json_encode(['status' => 2,'msg' => 'Please enter the login openid/unionid']);
        }

        //查询用户是否存在
        $aWhere = ['account|email' => $sAccount,'state' => 0];
        $aUser = Db::name('user')->field('user_id,account,password,openid')->where($aWhere)->find();
        if(empty($aUser)){
            return json_encode(['status' => 3,'msg' => 'Login account does not exist, please confirm']);
        }
        //验证密码是否一致
        $sPassword = md5($sPassword);
        if($aUser['password'] != $sPassword){
            return json_encode(['status' => 4,'msg' => 'Login password input error, please confirm']);
        }
        //验证是否绑定账号
        if(!empty($aUser['openid'])){// || !empty($aUser['unionid'])
            return json_encode(['status' => 5,'msg' => 'Login account already linked to WeChat account']);
        }
        //验证openid是否被绑定
        $iUserId = empty($aUser['user_id']) ? 0 : $aUser['user_id'];
        $aWhere = ['state' => 0,'user_id' => ['<>',$iUserId]];
        // if(!empty($sUnionId)){
        //     $aWhere['unionid'] = $sUnionId;
        // }
        if(!empty($sOpenId)){
            $aWhere['openid'] = $sOpenId;
        }
        $aUserOpenId = Db::name('user')->field('user_id')->where($aWhere)->find();
        if(!empty($aUserOpenId)){
            return json_encode(['status' => 6,'msg' => 'This WeChat account has been bound']);
        }

        //更新
        $aUpdate = [];
        // if(!empty($sUnionId)){
        //     $aUpdate['unionid'] = $sUnionId;
        // }
        if(!empty($sOpenId)){
            $aUpdate['openid'] = $sOpenId;
        }
        if(empty($aUpdate)){
            return json_encode(['status' => 7,'msg' => 'Update data to empty']);
        }

        //执行操作
        $aWhere = ['user_id' => $iUserId,'state' => 0];
        $result = Db::name('user')->where($aWhere)->limit(1)->update($aUpdate);
        if($result === false){
            return json_encode(['status' => 8,'msg' => "Binding failed"]);
        }
        // $aUser['unionid'] = empty($aUpdate['unionid']) ? $aUser['unionid'] : $aUpdate['unionid'];
        $aUser['openid'] = empty($aUpdate['openid']) ? $aUser['openid'] : $aUpdate['openid'];
        return json_encode(['status' => 1,'msg' => 'Binding successful','data' => $aUser]);
    }

    /**
     * 用户名密码解绑openid
     */
    public function unbindAccount(){
        //获取参数
        $aParam = empty($aParam) ? $this->request->post() : $aParam;

        //账号名
        $sAccount= empty($aParam['account']) ? '' : trim($aParam['account']);
        if(empty($sAccount)){
            return json_encode(['status' => 2,'msg' => 'Please enter your account']);
        }
        //密码
        $sPassword= empty($aParam['password']) ? '' : trim($aParam['password']);
        if(empty($sPassword)){
            return json_encode(['status' => 2,'msg' => 'Please enter the password']);
        }
        //openid
        $sOpenId= empty($aParam['openid']) ? '' : trim($aParam['openid']);
        //unionid
        // $sUnionId= empty($aParam['unionid']) ? '' : trim($aParam['unionid']);
        if(empty($sOpenId)){// && empty($sUnionId)
            return json_encode(['status' => 2,'msg' => 'Please enter the login openid/unionid']);
        }

        //查询用户是否存在
        $aWhere = ['account|email' => $sAccount,'state' => 0];
        $aUser = Db::name('user')->field('user_id,account,password,openid')->where($aWhere)->find();
        if(empty($aUser)){
            return json_encode(['status' => 3,'msg' => 'Login account does not exist, please confirm']);
        }
        //验证密码是否一致
        $sPassword = md5($sPassword);
        if($aUser['password'] != $sPassword){
            return json_encode(['status' => 4,'msg' => 'Login password input error, please confirm']);
        }
        //验证是否绑定账号
        if(empty($aUser['openid'])){// && empty($aUser['unionid'])
            return json_encode(['status' => 5,'msg' => 'This account is not bound to any mini program, there is no need to unbind it']);
        }
        //验证unionid是否相等
        // if(!empty($sUnionId) && !empty($aUser['unionid']) & $sUnionId != $aUser['unionid']){
        //     return json_encode(['status' => 6,'msg' => 'Unbind account not bound']);
        // }
        //验证openid是否相等
        if(!empty($sOpenId) && !empty($aUser['openid']) & $sOpenId != $aUser['openid']){
            return json_encode(['status' => 7,'msg' => 'Unbind account not bound']);
        }
        $iUserId = empty($aUser['user_id']) ? 0 : $aUser['user_id'];

        //执行操作
        $aWhere = ['user_id' => $iUserId,'state' => 0];
        $aUpdate = ['openid' => ''];//,'unionid' => ''
        $result = Db::name('user')->where($aWhere)->limit(1)->update($aUpdate);
        if($result === false){
            return json_encode(['status' => 8,'msg' => "Unbinding failed"]);
        }
        $aUpdate['user_id'] = $iUserId;
        return json_encode(['status' => 1,'msg' => 'Unbound successfully','data' => $aUpdate]);
    }

    /**
     * 用户账号注册
     */
    public function registerAccount(){

        //获取参数
        $aParam = empty($aParam) ? $this->request->post() : $aParam;

        //邮箱
        $sEmail = empty($aParam['email']) ? '' : trim($aParam['email']);
        if(empty($sEmail)){
            return json_encode(['status' => 2,'msg' => 'Please enter your email']);
        }
        //密码
        $sPassword= empty($aParam['password']) ? '' : trim($aParam['password']);
        if(empty($sPassword)){
            return json_encode(['status' => 2,'msg' => 'Please enter the password']);
        }
        //openid
        $sOpenId= empty($aParam['openid']) ? '' : trim($aParam['openid']);
        if(empty($sOpenId)){
            return json_encode(['status' => 2,'msg' => 'Please enter the login openid/unionid']);
        }

        //查询用户是否存在
        $aWhere = ['account|email' => $sEmail,'state' => 0];
        $aUser = Db::name('user')->field('user_id')->where($aWhere)->find();
        if(!empty($aUser)){
            return json_encode(['status' => 3,'msg' => 'The registered account already exists, please confirm']);
        }
        //验证OPENID是否绑定
        $aWhere = ['openid' => $sOpenId,'state' => 0];
        $aUser = Db::name('user')->field('user_id')->where($aWhere)->find();
        if(!empty($aUser)){
            return json_encode(['status' => 3,'msg' => 'WeChat account has been bound']);
        }

        //数据插入
        Db::startTrans();
        //用户主表
        $aInsert = ['account' => $sEmail,'email' => $sEmail,'password' => md5($sPassword),'ctime' => time(),'openid' => $sOpenId];
        $iId = Db::name('user')->insertGetId($aInsert);
        if(empty($iId)){
            return json_encode(['status' => 4,'msg' => 'Registration failed']);
        }
        //用户附属表
        $aReviewInsert = ['reviewer_id' => $iId,'test_from' => 'wechat_register'];
        $iInfoId = Db::name('user_reviewer_info')->insertGetId($aReviewInsert);
        if(empty($iInfoId)){
            return json_encode(['status' => 5,'msg' => 'Registration failed']);
        }
        Db::commit();
        $aInsert['user_id'] = $iId;
        return json_encode(['status' => 1,'msg' => 'registered successfully','data' => $aInsert]);
    }
    /**
     * 获取用户身份
     */
    private function getUserRoles($aUser = []){
        if(empty($aUser)){
            return [];
        }

        //获取账号名
        $sAccount = empty($aUser['account']) ? '' : trim($aUser['account']);
        if($aUser['type'] == 2) {
            $aRoles = ['editor'];
            if($sAccount=="liuna" || $sAccount=="zhuwenjing"){
                array_push($aRoles, 'superadmin');
            }
            return $aRoles;
        }

        $aRoles = ['author'];
        //查询是否是审稿人
        $iUserId = empty($aUser['user_id']) ? 0 : $aUser['user_id'];
        $aWhere = ['reviewer_id' => $iUserId,'state' => 0];
        $aUserInfo = Db::name('reviewer_to_journal')->field('rtj_id')->where($aWhere)->find();
        if(!empty($aUserInfo)) {
            array_push($aRoles,'reviewer');
        }

        //青年编委
        $aWhere = ['user_id' => $iUserId,'state' => 0];
        $aUserInfo = Db::name('user_to_yboard')->field('user_id')->where($aWhere)->find();
        if(!empty($aUserInfo)) {
            array_push($aRoles,'yboard');
        }
        //主编与期刊
        $aWhere = ['user_id' => $iUserId,'state' => 0];
        $aUserInfo = Db::name('chief_to_journal')->field('user_id')->where($aWhere)->find();
        if(!empty($aUserInfo)) {
            array_push($aRoles,'chief');
        }
        //期刊主编类型
        $aWhere = ['user_id' => $iUserId,'state' => 0];
        $aUserInfo = Db::name('board_to_journal')->field('user_id,type')->where($aWhere)->find();
        if(!empty($aUserInfo)) {
            array_push($aRoles,'board');
            $iType = isset($aUserInfo['type']) ? $aUserInfo['type'] : '-1';
            if($iType == 0){
                array_push($aRoles,'chief_editor');
            }
            if($iType == 1){
                array_push($aRoles,'deputy_editor');
            }
            if($iType == 2){
                array_push($aRoles,'editor_board');
            }
        }

        //期刊主编类型
        $aWhere = ['user_id' => $iUserId,'uts_state' => 0];
        $aUserInfo = Db::name('user_to_special')->field('user_id')->where($aWhere)->find();
        if (!empty($aUserInfo)) {
            array_push($aRoles,'special');
        }
        return $aRoles;
    }
    /**
     * 获取我的稿件
     */
    public function getManuscript($aParam = []){
        //获取参数
        $aParam = empty($aParam) ? $this->request->post() : $aParam;

        //获取用户ID
        $iUserId= empty($aParam['user_id']) ? '' : $aParam['user_id'];
        //获取状态
        $iState = isset($aParam['state']) ? $aParam['state'] : -2;
        //获取微信登录openid
        $sOpenId= empty($aParam['openid']) ? '' : $aParam['openid'];
        if(empty($sOpenId) && empty($iUserId)){
            return json_encode(['status' => 2,'msg' => 'Please enter your login account']);
        }
        //标题
        $sTitle = empty($aParam['title']) ? '': $aParam['title'];
        //获取用户信息
        $aParam['is_select_role'] = 2;
        $aUser = json_decode($this->getUser($aParam),true);
        $aUser = empty($aUser['data']) ? [] : $aUser['data'];
        if(empty($aUser)){
            return json_encode(['status' => 3,'msg' => 'No user information found']);
        }

        //获取分页相关参数
        $iSize = empty($aParam['size']) ? 15 : $aParam['size'];//每页显示条数
        $iPage = empty($aParam['page']) ? 1 : $aParam['page'];// 当前页码

        $iUserId = empty($aUser['user_id']) ? 0 : $aUser['user_id'];
        //获取数量
        $aWhere = ['user_id' => $iUserId,'accept_sn' => ['not like','Draft%']];
        $aWhere['state'] = ['<>',-1];
        if($iState != -2 && $iState != -1){
            $aWhere['state'] = $iState;
        }
        if($iState == -2){
            $aWhere['state'] = ['<>',-1];
        }
        if(!empty($sTitle)){
            $aWhere['title'] =['like','%'.trim($sTitle).'%'];
        }
        $iCount = Db::name('article')->where($aWhere)->count();
        if(empty($iCount)){
            return json_encode(['status' => 1,'msg' => 'Article not found','data' => ['total' => 0,'lists' => []]]);
        }
        
        //判断页数是否超过最大分页限制
        $iPageNum = ceil($iCount/$iSize);
        if($iPage > $iPageNum){
            return json_encode(['status' => 1,'msg' => 'The number of pages has exceeded the limit, maximum page number:'.$iPageNum,'data' => ['total' => $iCount,'lists' => []]]);
        }

        //查询详细数据
        $sField = 'article_id,journal_id,accept_sn,title,type,abstrart,ctime,state';
        $sOrder = 'article_id desc';
        $aArticle = Db::name('article')
            ->field($sField)
            ->where($aWhere)
            ->page($iPage, $iSize)
            ->order($sOrder)
            ->select();
        if(empty($aArticle)){
            return json_encode(['status' => 1,'msg' => 'Data is empty','data' => ['total' => 0,'lists' => []]]);
        }
        //获取期刊
        $aJournalId = array_unique(array_column($aArticle, 'journal_id'));
        $aWhere = ['journal_id' => ['in',$aJournalId],'state' => 0];
        $aJournal = DB::name('journal')->where($aWhere)->column('journal_id,title');
        //数据处理
        foreach ($aArticle as $key => $value) {
            $aArticle[$key]['type_name'] = translateType($value['type']);
            $aArticle[$key]['journal_title'] = empty($aJournal[$value['journal_id']]) ? '' : $aJournal[$value['journal_id']];
            $aArticle[$key]['ctime'] = empty($value['ctime']) ? '' : date('Y-m-d',$value['ctime']);
        }
        return json_encode(['status' => 1,'msg' => 'success','data' => ['total' => $iCount,'lists' => $aArticle]]);
    }
    
    /**
     * 获取我的消息
     */
    public function getMessagesLists($aParam = []){
        //获取参数
        $aParam = empty($aParam) ? $this->request->post() : $aParam;

        //获取用户ID
        $iUserId= empty($aParam['user_id']) ? '' : $aParam['user_id'];
        //获取微信登录openid
        $sOpenId= empty($aParam['openid']) ? '' : $aParam['openid'];
        if(empty($sOpenId) && empty($iUserId)){
            return json_encode(['status' => 2,'msg' => 'Please enter your login account']);
        }
        //标题
        $sTitle = empty($aParam['title']) ? '': $aParam['title'];

        //状态
        $iIsRead = empty($aParam['is_read']) ? -1 : $aParam['is_read'];

        //获取用户信息
        $aParam['is_select_role'] = 2;
        $aUser = json_decode($this->getUser($aParam),true);
        $aUser = empty($aUser['data']) ? [] : $aUser['data'];
        if(empty($aUser)){
            return json_encode(['status' => 3,'msg' => 'No user information found']);
        }

        //获取分页相关参数
        $iSize = empty($aParam['size']) ? 15 : $aParam['size'];//每页显示条数
        $iPage = empty($aParam['page']) ? 1 : $aParam['page'];// 当前页码

        $iUserId = empty($aUser['user_id']) ? 0 : $aUser['user_id'];
        //获取数量
        $aWhere = ['user_id' => $iUserId];
        if(!empty($sTitle)){
            $aWhere['title'] =['like','%'.trim($sTitle).'%'];
        }
        if(in_array($iIsRead, [1,2])){
            $aWhere['is_read'] = $iIsRead;
        }
        $iCount = Db::name('messages')->where($aWhere)->count();
        if(empty($iCount)){
            return json_encode(['status' => 1,'msg' => 'Message is empty','data' => ['total' => 0,'lists' => []]]);
        }
        
        //判断页数是否超过最大分页限制
        $iPageNum = ceil($iCount/$iSize);
        if($iPage > $iPageNum){
            return json_encode(['status' => 1,'msg' => 'The number of pages has exceeded the limit, maximum page number:'.$iPageNum,'data' => ['total' => $iCount,'lists' => []]]);
        }

        //查询详细数据
        $sField = 'message_id,article_id,type,title,content,is_read,create_time';
        $sOrder = 'create_time desc';
        $aMessages = Db::name('messages')
            ->field($sField)
            ->where($aWhere)
            ->page($iPage, $iSize)
            ->order($sOrder)
            ->select();
        if(empty($aMessages)){
            return json_encode(['status' => 1,'msg' => 'Data is empty','data' => ['total' => 0,'lists' => []]]);
        }
        //获取期刊
        $aJournalId = array_unique(array_column($aMessages, 'journal_id'));
        $aWhere = ['journal_id' => ['in',$aJournalId],'state' => 0];
        $aJournal = DB::name('journal')->where($aWhere)->column('journal_id,title');
        //数据处理
        foreach ($aMessages as $key => $value) {
            $aMessages[$key]['create_time'] = empty($value['create_time']) ? '' : date('Y-m-d H:i:s',$value['create_time']);
        }
        return json_encode(['status' => 1,'msg' => 'success','data' => ['total' => $iCount,'lists' => $aMessages]]);
    }
    /**
     * 更改消息状态
     */
    public function markRead($aParam = []){
        //获取参数
        $aParam = empty($aParam) ? $this->request->post() : $aParam;
        //获取消息ID
        $iMessageId= empty($aParam['message_id']) ? 0 : $aParam['message_id'];
        if(empty($iMessageId)){
            return json_encode(['status' => 2,'msg' => 'Please select a message']);
        }
        //获取用户ID
        $iUserId= empty($aParam['user_id']) ? '' : $aParam['user_id'];
        //获取微信登录openid
        $sOpenId= empty($aParam['openid']) ? '' : $aParam['openid'];
        if(empty($sOpenId) && empty($iUserId)){
            return json_encode(['status' => 2,'msg' => 'Please enter your login account']);
        }
        //获取用户信息
        $aParam['is_select_role'] = 2;
        $aUser = json_decode($this->getUser($aParam),true);
        $aUser = empty($aUser['data']) ? [] : $aUser['data'];
        if(empty($aUser)){
            return json_encode(['status' => 3,'msg' => 'No user information found']);
        }


        $iUserId = empty($aUser['user_id']) ? 0 : $aUser['user_id'];
        //获取未读数据
        $aWhere = ['user_id' => $iUserId,'is_read' => 2];
        if($iMessageId != -1){
            $aWhere['message_id'] = ['in',$iMessageId];
        }
        $aMessagesId = Db::name('messages')->where($aWhere)->column('message_id');
        if(empty($aMessagesId)){
            return json_encode(['status' => 4,'msg' => 'Message is empty']);
        }
        //更新为已读
        $aWhere = ['is_read' => 2,'message_id' => ['in',$aMessagesId]];
        $aUpdate = ['is_read' => 1,'update_time' => time(),'update_user_id' => $iUserId];
        $result = Db::name('messages')->where($aWhere)->limit(count($aMessagesId))->update($aUpdate);
        if($result === false){
            return json_encode(['status' => 5,'msg' => 'Marking failed']);
        }
        return json_encode(['status' => 1,'msg' => 'Marking successful']);
    }
}