<?php

namespace app\chukebao\controller;

use app\chukebao\model\FriendSettings;
use library\ResponseHelper;
use think\Db;

class MessageController extends BaseController
{

    public function getList()
    {
        $page = $this->request->param('page', 1);
        $limit = $this->request->param('limit', 10);
        $accountId = $this->getUserInfo('s2_accountId');
        if (empty($accountId)) {
            return ResponseHelper::error('请先登录');
        }

        $friends = Db::table('s2_wechat_friend')
            ->where(['accountId' => $accountId, 'isDeleted' => 0])
            ->column('id,nickname,avatar,conRemark,labels,groupId,wechatAccountId,wechatId,extendFields,phone,region,isTop');


        // 构建好友子查询
        $friendSubQuery = Db::table('s2_wechat_friend')
            ->where(['accountId' => $accountId, 'isDeleted' => 0])
            ->field('id')
            ->buildSql();

        // 优化后的查询：使用MySQL兼容的查询方式
        $unionQuery = "
            (SELECT m.id, m.content, m.wechatFriendId, m.wechatChatroomId, m.createTime, m.wechatTime,m.wechatAccountId, 2 as msgType, wc.nickname, wc.chatroomAvatar as avatar, wc.chatroomId, wc.isTop
             FROM s2_wechat_chatroom wc
             INNER JOIN s2_wechat_message m ON wc.id = m.wechatChatroomId AND m.type = 2
             INNER JOIN (
                 SELECT wechatChatroomId, MAX(wechatTime) as maxTime, MAX(id) as maxId
                 FROM s2_wechat_message 
                 WHERE type = 2
                 GROUP BY wechatChatroomId
             ) latest ON m.wechatChatroomId = latest.wechatChatroomId AND m.wechatTime = latest.maxTime AND m.id = latest.maxId
             WHERE wc.accountId = {$accountId} AND wc.isDeleted = 0
            )
            UNION ALL
            (SELECT m.id, m.content, m.wechatFriendId, m.wechatChatroomId, m.createTime, m.wechatTime, 1 as msgType, 1 as nickname, 1 as avatar, 1 as chatroomId, 1 as wechatAccountId, 0 as isTop
             FROM s2_wechat_message m
             INNER JOIN (
                 SELECT wechatFriendId, MAX(wechatTime) as maxTime, MAX(id) as maxId
                 FROM s2_wechat_message 
                 WHERE type = 1 AND wechatFriendId IN {$friendSubQuery}
                 GROUP BY wechatFriendId
             ) latest ON m.wechatFriendId = latest.wechatFriendId AND m.wechatTime = latest.maxTime AND m.id = latest.maxId
             WHERE m.type = 1 AND m.wechatFriendId IN {$friendSubQuery}
            )
            ORDER BY wechatTime DESC
            LIMIT " . (($page - 1) * $limit) . ", {$limit}
        ";

        $list = Db::query($unionQuery);

        // 对分页后的结果进行排序（按wechatTime降序）
        usort($list, function ($a, $b) {
            return $b['wechatTime'] <=> $a['wechatTime'];
        });


        // 批量统计未读数量（isRead=0），按好友/群聊分别聚合
        $friendIds = [];
        $chatroomIds = [];
        foreach ($list as $row) {
            if (!empty($row['wechatFriendId'])) {
                $friendIds[] = $row['wechatFriendId'];
            }
            if (!empty($row['wechatChatroomId'])) {
                $chatroomIds[] = $row['wechatChatroomId'];
            }
        }
        $friendIds = array_values(array_unique(array_filter($friendIds)));
        $chatroomIds = array_values(array_unique(array_filter($chatroomIds)));

        $friendUnreadMap = [];
        if (!empty($friendIds)) {
            // 获取未读消息数量
            $friendUnreadMap = Db::table('s2_wechat_message')
                ->where(['isRead' => 0])
                ->whereIn('wechatFriendId', $friendIds)
                ->group('wechatFriendId')
                ->column('COUNT(*) AS cnt', 'wechatFriendId');
        }

        $chatroomUnreadMap = [];
        if (!empty($chatroomIds)) {
            // 获取未读消息数量
            $chatroomUnreadMap = Db::table('s2_wechat_message')
                ->where(['isRead' => 0])
                ->whereIn('wechatChatroomId', $chatroomIds)
                ->group('wechatChatroomId')
                ->column('COUNT(*) AS cnt', 'wechatChatroomId');
        }

        $aiTypeData = [];
        if (!empty($friendIds)) {
            $aiTypeData = FriendSettings::where('friendId', 'in', $friendIds)->column('friendId,type');
        }

        foreach ($list as $k => &$v) {

            $createTime = !empty($v['createTime']) ? date('Y-m-d H:i:s', $v['createTime']) : '';
            $wechatTime = !empty($v['wechatTime']) ? date('Y-m-d H:i:s', $v['wechatTime']) : '';


            $unreadCount = 0;
            $v['aiType'] = 0;
            if (!empty($v['wechatFriendId'])) {
                $v['nickname'] = !empty($friends[$v['wechatFriendId']]) ? $friends[$v['wechatFriendId']]['nickname'] : '';
                $v['avatar'] = !empty($friends[$v['wechatFriendId']]) ? $friends[$v['wechatFriendId']]['avatar'] : '';
                $v['conRemark'] = !empty($friends[$v['wechatFriendId']]) ? $friends[$v['wechatFriendId']]['conRemark'] : '';
                $v['groupId'] = !empty($friends[$v['wechatFriendId']]) ? $friends[$v['wechatFriendId']]['groupId'] : '';
                $v['wechatAccountId'] = !empty($friends[$v['wechatFriendId']]) ? $friends[$v['wechatFriendId']]['wechatAccountId'] : '';
                $v['wechatId'] = !empty($friends[$v['wechatFriendId']]) ? $friends[$v['wechatFriendId']]['wechatId'] : '';
                $v['extendFields'] = !empty($friends[$v['wechatFriendId']]) ? $friends[$v['wechatFriendId']]['extendFields'] : [];
                $v['region'] = !empty($friends[$v['wechatFriendId']]) ? $friends[$v['wechatFriendId']]['region'] : '';
                $v['phone'] = !empty($friends[$v['wechatFriendId']]) ? $friends[$v['wechatFriendId']]['phone'] : '';
                $v['isTop'] = !empty($friends[$v['wechatFriendId']]) ? $friends[$v['wechatFriendId']]['isTop'] : 0;
                $v['labels'] = !empty($friends[$v['wechatFriendId']]) ? json_decode($friends[$v['wechatFriendId']]['labels'], true) : [];

                $unreadCount = isset($friendUnreadMap[$v['wechatFriendId']]) ? (int)$friendUnreadMap[$v['wechatFriendId']] : 0;
                $v['aiType'] = isset($aiTypeData[$v['wechatFriendId']]) ? $aiTypeData[$v['wechatFriendId']] : 0;
                unset($v['chatroomId']);
            }

            if (!empty($v['wechatChatroomId'])) {
                $v['conRemark'] = '';
                $unreadCount = isset($chatroomUnreadMap[$v['wechatChatroomId']]) ? (int)$chatroomUnreadMap[$v['wechatChatroomId']] : 0;
            }

            $v['id'] = !empty($v['wechatFriendId']) ? $v['wechatFriendId'] : $v['wechatChatroomId'];
            $v['config'] = [
                'top' => !empty($v['isTop']) ? true : false,
                'unreadCount' => $unreadCount,
                'chat' => true,
                'msgTime' => $v['wechatTime'],
            ];
            $v['createTime'] = $createTime;
            $v['lastUpdateTime'] = $wechatTime;

            // 最新消息内容已经在UNION查询中获取，直接使用
            $v['latestMessage'] = [
                'content' => $v['content'],
                'wechatTime' => $wechatTime
            ];

            unset($v['wechatFriendId'], $v['wechatChatroomId'],$v['isTop']);

        }
        unset($v);
        return ResponseHelper::success($list);
    }


    public function readMessage()
    {
        $wechatFriendId = $this->request->param('wechatFriendId', '');
        $wechatChatroomId = $this->request->param('wechatChatroomId', '');
        $accountId = $this->getUserInfo('s2_accountId');
        if (empty($accountId)) {
            return ResponseHelper::error('请先登录');
        }
        if (empty($wechatChatroomId) && empty($wechatFriendId)) {
            return ResponseHelper::error('参数缺失');
        }

        $where = [];
        if (!empty($wechatChatroomId)) {
            $where[] = ['wechatChatroomId', '=', $wechatChatroomId];
        }

        if (!empty($wechatFriendId)) {
            $where[] = ['wechatFriendId', '=', $wechatFriendId];
        }

        Db::table('s2_wechat_message')->where($where)->update(['isRead' => 1]);
        return ResponseHelper::success([]);
    }


    public function details()
    {
        $wechatFriendId = $this->request->param('wechatFriendId', '');
        $wechatChatroomId = $this->request->param('wechatChatroomId', '');
        $wechatAccountId = $this->request->param('wechatAccountId', '');
        $page = $this->request->param('page', 1);
        $limit = $this->request->param('limit', 10);
        $from = $this->request->param('From', '');
        $to = $this->request->param('To', '');
        $olderData = $this->request->param('olderData', false);
        $accountId = $this->getUserInfo('s2_accountId');
        if (empty($accountId)) {
            return ResponseHelper::error('请先登录');
        }
        if (empty($wechatChatroomId) && empty($wechatFriendId)) {
            return ResponseHelper::error('参数缺失');
        }

        $where = [];
        if (!empty($wechatChatroomId)) {
            $where[] = ['wechatChatroomId', '=', $wechatChatroomId];
        }

        if (!empty($wechatFriendId)) {
            $where[] = ['wechatFriendId', '=', $wechatFriendId];
        }

        if (!empty($From) && !empty($To)) {
            $where[] = ['wechatTime', 'between', [$from, $to]];
        }

        $total = Db::table('s2_wechat_message')->where($where)->count();
        $list = Db::table('s2_wechat_message')->where($where)->page($page, $limit)->order('id DESC')->select();


        foreach ($list as $k => &$v) {
            $v['wechatTime'] = !empty($v['wechatTime']) ? date('Y-m-d H:i:s', $v['wechatTime']) : '';
        }


        return ResponseHelper::success(['total' => $total, 'list' => $list]);
    }


}