<?php
namespace app\chat\controller;

use app\chat\model\ChatGroup;
use app\chat\model\ChatGroupMember;
use app\chat\model\ChatGroupMute;
use app\chat\model\ChatDoNotDisturb;
use app\common\controller\ApiController;
use app\exception\MyBusinessException;
use app\utils\Session;
use support\Log;
use support\Request;
use support\Response;
use support\think\Db;

class GroupController extends ApiController
{


    public function info(Request $request): Response
    {
        $group_id = $request->post('group_id');
        if (empty($group_id)) {
            return $this->error('参数不存在');
        }
        return $this->success(Db::name('chat_group')->where(['id' => $group_id, 'owner_id' => $this->uid])->find());
    }


    /**
     * 创建群（仅商家可创建）
     */
    public function create(Request $request): Response
    {
        if ($this->user_type == 1) { // 2=商家
            return $this->error('仅商家可创建群聊');
        }
        $shop_id = $request->post('shop_id', 0);
        if(empty($shop_id)) {
            return $this->error('参数不完整');
        }
        $shop = Db::name('tb_shop_info')->where(['id' => $shop_id])->find();
        if(empty($shop)) {
            return $this->error('店铺不存在');
        }
        // 查找群数量
        $count = Db::name('chat_group')->where(['shop_id' => $shop_id])->count();
        $name = $request->post('name')?:$shop['shop_name'] . '粉丝福利' .  $count + 1 . '群';
        $avatar = $request->post('avatar')?:$shop['logo'];
        $announcement = $request->post('announcement', '');
        $isPublic = $request->post('is_public', 0);
        $now = d();
        try {
            Db::startTrans();
            // 创建群
            $group_id = Db::name('chat_group')->insertGetId([
                'name' => $name,
                'shop_id' => $shop_id,
                'avatar' => $avatar,
                'owner_id' => $this->uid,
                'announcement' => $announcement,
                'is_public' => $isPublic,
                'created_time' => $now,
            ]);
            // 群主加入群
            Db::name('chat_group_member')->insert([
                'group_id' => $group_id,
                'user_id' => $this->uid,
                'role' => 1, // 1=群主
                'join_time' => $now,
            ]);
            $user = Db::name('chat_user')->where(['user_id' => $this->uid])->find();
            $data = [
                'group_info' => [
                    'id' => $group_id,
                    'name' => $name,
                    'avatar' => $avatar,
                ],
                'member_info' => [
                    'user_id' => $this->uid,
                    'avatar' => $user['avatar'],
                    'nick_name' => $user['nick_name'],
                ]
            ];
            Db::commit();
            return $this->success($data);
        }catch (\Throwable $exception) {
            Db::rollback();
            return $this->error($exception->getMessage());
        }
    }

    /**
     * 加群
     */
    public function join(Request $request): Response
    {
        $group_id = $request->post('group_id');
        $invite = $request->post('invite');
        if (!$group_id) {
            return $this->error('缺少group_id');
        }

        // 验证群是否存在
        $group = Db::name('chat_group')->where(['id' => $group_id])->find();
        if (!$group) {
            return $this->error('群不存在');
        }

        // 验证是否已在群内
        $exists = Db::name('chat_group_member')->where([
            'group_id' => $group_id,
            'user_id' => $this->uid,
            'quit_time' => null,
            'is_kicked' => 0
        ])->find();

        if ($exists) {
            return $this->error('已在群内');
        }


        // 再次加入时
        $z_exists = Db::name('chat_group_member')->where([
            'group_id' => $group_id,
            'user_id' => $this->uid,
            'is_kicked' => 0
        ])->where('quit_time', 'not null')->find();

        // 被踢用户不能重新加入（需群主邀请）
        $isKicked = Db::name('chat_group_member')->where([
            'group_id' => $group_id,
            'user_id' => $this->uid,
            'is_kicked' => 1
        ])->find();

        // 如果不是邀请
        if(empty($invite) && $isKicked) {
           return $this->error('你已被移出该群，无法重新加入');
        }
        $insert_arr = [
            'group_id' => $group_id,
            'user_id' => $this->uid,
            'role' => 3,
            'join_time' => d(),
        ];
        $is_insert = true;


        if($invite) {
            // 验证邀请参数是否正常
            $decryptedText = simple_decrypt($invite, config('cons.sercer_key'));
            $decryptedText_arr = json_decode($decryptedText, true);
            if($isKicked) {
                $is_insert = false;
                $insert_arr['is_kicked'] = 0;
            }
            $insert_arr['pid'] = $decryptedText_arr['pid'];
            $insert_arr['group_id'] = $decryptedText_arr['group_id'];
            $group_id = $decryptedText_arr['group_id'];
        }
        // 如果是再次加入
        if($z_exists) {
            $insert_arr['quit_time'] = null;
            $is_insert = false;
        }
        try {
            Db::startTrans();
            // 插入用户信息
            if($this->user_type == 1) {
                // 用户
                $user = Db::name('tb_user_info')->where(['id' => $this->uid])->find();
                if($user) {
                    $user_arr = [
                        'user_id' => $this->uid,
                        'nick_name' => $user['nick_name'],
                        'avatar' => $user['head_img'],
                        'type' => 1,
                        'created_time' => d(),
                    ];
                }else {
                    throw new MyBusinessException('用户信息不存在');
                }
            }elseif ($this->user_type == 2) {
                // 商家
                $user = Db::name('sys_user')->where(['id' => $this->uid])->find();
                if($user) {
                    $user_arr = [
                        'user_id' => $this->uid,
                        'nick_name' => $user['nick_name'],
                        'avatar' => $user['avatar'],
                        'type' => 2,
                        'created_time' => d(),
                    ];
                }else {
                    throw new MyBusinessException('用户信息不存在');
                }
            }
            if(!Db::name('chat_user')->where(['user_id' => $this->uid])->find()) {
                Db::name('chat_user')->insert($user_arr);
            }
            // 加入群
            if($is_insert) {
                $res = Db::name('chat_group_member')->insert($insert_arr);
            }else {
                $res = Db::name('chat_group_member')->where(['user_id' => $this->uid, 'group_id' => $group_id])->update($insert_arr);
            }
            Db::commit();
            if($res) {
                return $this->success();
            }else {
                return $this->error();
            }
        }catch (\Throwable $exception) {
            Db::rollback();
            return $this->error($exception->getMessage());
        }
    }

    // 获取群邀请链接参数
    public function getgrepurl(Request $request): Response
    {
        $group_id = $request->post('group_id');
        if (!$group_id) {
            return $this->error('缺少group_id');
        }
        if($this->user_type == 1) {
            return $this->error('角色有误');
        }
        $data = [
            'pid' => $this->uid,
            'group_id' => $group_id
        ];
        return $this->success(simple_encrypt(json_encode($data), config('cons.sercer_key')));
    }


    /**
     * 退群
     */
    public function quit(Request $request): Response
    {
        $groupId = $request->post('group_id')?:0;
        if (!$groupId) {
            return $this->error('缺少group_id');
        }

        // 验证是否是群主（群主不能退群，需转让）
        $owner = Db::name('chat_group_member')->where([
            'group_id' => $groupId,
            'user_id' => $this->uid,
            'quit_time' => null
        ])->find();
        if ($owner) {
            if($owner['role'] == 1) {
                return $this->error('群主不能退群，请先转让群');
            }
        }else {
            return $this->error('不在群内');
        }
        $res = Db::name('chat_group_member')->where([
            'group_id' => $groupId,
            'user_id' => $this->uid,
        ])->update(['quit_time' => d()]);
        if($res) {
            return $this->success();
        }
        return $this->error();
    }


    /**
     * 转让群
     */
    public function tarsgroup(Request $request): Response
    {
        $group_id = $request->post('group_id');
        $object_user_id = $request->post('object_user_id'); // 目标ID
        if(empty($group_id) || empty($object_user_id)) {
            return $this->error('group_id 或 object_id 不能为空');
        }
        // 判断当前人是不是群主
        $owner = Db::name('chat_group_member')->where([
            'group_id' => $group_id,
            'user_id' => $this->uid,
            'quit_time' => null,
            'role' => 1
        ])->find();
        if(!$owner) {
            return $this->error('你当前不是群主,无法转让');
        }

        // 查询
        $chat_user = Db::name('chat_user')->where([
            'user_id' => $object_user_id,
            'status' => 1,
            'type' => 2,
        ])->find();
        if(!$chat_user) {
            return $this->error('目标用户不存在');
        }


        $res = Db::name('chat_group_member')->where([
            'group_id' => $group_id,
            'user_id' => $this->uid,
            'quit_time' => null,
            'role' => 1
        ])->update(['user_id' => $object_user_id, 'object_user_id' => $this->uid]);
        Db::name('chat_group')->where([
            'id' => $group_id,
        ])->update(['owner_id' => $object_user_id]);
        if($res) {
            return $this->success();
        }
        return $this->error();
    }


    /**
     * 设置群公告（仅群主/管理员）
     */
    public function setAnnouncement(Request $request): Response
    {
        $groupId = $request->post('group_id');
        $announcement = $request->post('announcement');

        if (!$groupId || !$announcement) {
            return $this->error('缺少group_id或公共内容不能为空');
        }

        // 验证权限
        $role = Db::name('chat_group_member')->where([
            'group_id' => $groupId,
            'user_id' => $this->uid,
            'quit_time' => null,
            'is_kicked' => 0
        ])->value('role');
        if (!in_array($role, [1, 2])) { // 1=群主，2=管理员
            return $this->error('仅群主和管理员可设置群公告');
        }

        // 更新公告
        Db::name('chat_group')->where('id', $groupId)->update([
            'announcement' => $announcement,
            'updated_time' => d()
        ]);
        return $this->success();
    }

    /**
     * 设置群免打扰
     */
    public function setDoNotDisturb(Request $request): Response
    {
        $groupId = $request->post('group_id');
        $status = $request->post('status'); // 0=关闭，1=开启
        if (!$groupId) {
            return $this->error('缺少group_id');
        }
        // 验证是否在群内
        $isMember = Db::name('chat_group_member')->where([
            'group_id' => $groupId,
            'user_id' => $this->uid,
            'quit_time' => null,
            'is_kicked' => 0
        ])->find();
        if (!$isMember) {
            return $this->error('不在群内');
        }
        $res = Db::name('chat_group_member')->where([
            'group_id' => $groupId,
            'user_id' => $this->uid,
        ])->update(['is_dist' => $status]);
        if($res) {
            return $this->success();
        }
        return  $this->error();
    }

    /**
     * 群禁言（仅群主/管理员）
     */
    public function muteMember(Request $request): Response
    {
        $groupId = $request->post('group_id');
        $targetUid = $request->post('target_uid')?:0;
        $muteTime = $request->post('mute_time')?:0; // 默认时间
        if (!$groupId || !isset($targetUid)) {
            return json(['code' => 400, 'msg' => '缺少group_id或target_uid']);
        }
        // 验证操作人权限
        $operatorRole = Db::name('chat_group_member')->where([
            'group_id' => $groupId,
            'user_id' => $this->uid,
            'quit_time' => null,
            'is_kicked' => 0
        ])->value('role');
        if (!in_array($operatorRole, [1, 2])) {
            return $this->error('仅群主和管理员可禁言');
        }
        $res = Db::name('chat_group_mute')->where(['group_id' => $groupId, 'user_id' => $targetUid])->find();
//        // 验证被禁言用户是否在群内
//        $targetIsMember = Db::name('chat_group_member')->where([
//            'group_id' => $groupId,
//            'user_id' => $targetUid,
//            'quit_time' => null,
//            'is_kicked' => 0
//        ])->find();
//        if (!$targetIsMember) {
//            return $this->error('被禁言用户不在群内');
//        }
//        // 不能禁言群主
//        $groupOwner = Db::name('chat_group')->where('id', $groupId)->value('owner_id');
//        if ($targetUid == $groupOwner) {
//            return $this->error('不能禁言群主');
//        }
//        // 不能禁言自己
//        if ($targetUid == $this->uid) {
//            return $this->error('不能禁言自己');
//        }
//        $now = time();
//        $expireTime = $muteTime > 0 ? $now + $muteTime : null;

        // 新增/更新禁言记录
        if($res) {
            return $this->success("已禁言无需操作");
        }else {
            Db::name('chat_group_mute')->insert([
                'group_id' => $groupId,
                'user_id' => $targetUid,
                'operator_id' => $this->uid,
                'created_time' => d()
            ]);
        }
        return $this->success("禁言成功");
    }

    /**
     * 解除禁言（仅群主/管理员）
     */
    public function unmuteMember(Request $request): Response
    {
        $groupId = $request->post('group_id');
        $targetUid = $request->post('target_uid')?:0;
        $muteTime = $request->post('mute_time')?:3600; // 默认禁言1小时
        if (!$groupId || !isset($targetUid)) {
            return json(['code' => 400, 'msg' => '缺少group_id或target_uid']);
        }
        // 验证操作人权限
        $operatorRole = Db::name('chat_group_member')->where([
            'group_id' => $groupId,
            'user_id' => $this->uid,
            'quit_time' => null,
            'is_kicked' => 0
        ])->value('role');
        if (!in_array($operatorRole, [1, 2])) {
            return $this->error('仅群主和管理员可禁言');
        }
        Db::name('chat_group_mute')->where(['group_id' => $groupId, 'user_id' => $targetUid])->delete();
        return $this->success();
    }

    /**
     * 踢人（仅群主/管理员）
     */
    public function kickMember(Request $request): Response
    {
        $groupId = $request->post('group_id');
        $targetUid = $request->post('target_uid');
        if (!$groupId || !$targetUid) {
            return json(['code' => 400, 'msg' => '缺少group_id或target_uid']);
        }
        // 验证操作人权限
        $operatorRole = Db::name('chat_group_member')->where([
            'group_id' => $groupId,
            'user_id' => $this->uid,
            'quit_time' => null,
            'is_kicked' => 0
        ])->value('role');
        if (!in_array($operatorRole, [1, 2])) {
            return $this->error('仅群主和管理员可踢人');
        }

        // 验证被踢用户是否在群内
        $targetIsMember = Db::name('chat_group_member')->where([
            'group_id' => $groupId,
            'user_id' => $targetUid,
            'quit_time' => null,
            'is_kicked' => 0
        ])->find();
        if (!$targetIsMember) {
            return $this->error('被踢用户不在群内');
        }

        // 不能踢群主
        $groupOwner = Db::name('chat_group')->where('id', $groupId)->value('owner_id');
        if ($targetUid == $groupOwner) {
            return $this->error( '不能踢群主');
        }

        // 不能踢自己
        if ($targetUid == $this->uid) {
            return $this->error('不能踢自己');
        }

        // 标记为被踢
        Db::name('chat_group_member')->where([
            'group_id' => $groupId,
            'user_id' => $targetUid,
        ])->update([
            'quit_time' => d(),
            'is_kicked' => 1
        ]);
        // 删除被踢用户的禁言记录
        Db::name('chat_group_mute')->where([
            'group_id' => $groupId,
            'user_id' => $targetUid
        ])->delete();
        return $this->success();
    }

    /**
     * 获取群成员列表
     */
    public function getMembers(Request $request): Response
    {
        $groupId = $request->post('group_id');
        if (!$groupId) {
            return $this->error('缺少group_id');
        }
        // 验证被踢用户是否在群内
        $targetIsMember = Db::name('chat_group_member')->where([
            'group_id' => $groupId,
            'user_id' => $this->uid,
            'quit_time' => null,
            'is_kicked' => 0
        ])->find();
        if (!$targetIsMember) {
            return $this->error('用户不在群内');
        }
        // 获取成员列表
        $data['user_list'] = Db::name('chat_group_member')->where([
            'group_id' => $groupId,
            'quit_time' => null,
            'is_kicked' => 0,
        ])
        ->alias('member')
        ->leftJoin('chat_user user', 'member.user_id = user.user_id')
        ->field('member.id as id, user.user_id as user_id, role, nick_name, avatar')
            ->order('member.id', 'asc')
        ->select();

        $data['grep_set'] = [
            'is_not_disturb' => $targetIsMember['is_dist'],
            'group_id' => $groupId
        ];


        return $this->success($data);
    }
}