<?php

namespace app\common\logic;

use app\common\traits\crud\CrudLogicTrait;
use app\common\model\UserGroup;
use app\common\model\UserGroupMembers;

class UserGroupLogic
{
    use CrudLogicTrait;

    /**
     * 指定当前要操作的模型
     */
    protected string $modelClass = UserGroup::class;


    public function createGroup(array $data): UserGroup
    {
        $created = UserGroup::create($data);
        if (isset($data['user_ids']) && is_array($data['user_ids']) && count($data['user_ids']) > 0) {
            foreach ($data['user_ids'] as $member) {
                $this->addUserGroupMembers($member, $created->id);
            }
        }
        if ((int)$data['leader_id'] > 0) {
            $leader = UserGroupMembers::where('user_id', $data['leader_id'])->where('group_id', $created->id)->first();
            if ($leader) {
                $leader->is_leader = 1;
                $leader->save();
            } else {
                $this->addUserGroupMembers($data['leader_id'], $created->id, 1);
            }
        }
        return $created;
    }


    public function updateGroup(UserGroup $userGroup, array $data)
    {
        $userGroup->title = $data['title'];
        $userGroup->sort = $data['sort'] ?? 0;
        $userGroup->status = $data['status'];
        $userGroup->scenario_code = $data['scenario_code'] ?? '';
        $userGroup->save();

        // 删除所有成员
        UserGroupMembers::where('group_id', $userGroup->id)->delete();

        if (isset($data['user_ids']) && is_array($data['user_ids']) && count($data['user_ids']) > 0) {
            foreach ($data['user_ids'] as $member) {
                $this->addUserGroupMembers($member, $userGroup->id);
            }
        }
        if ((int)$data['leader_id'] > 0) {
            $leader = UserGroupMembers::where('user_id', $data['leader_id'])->where('group_id', $userGroup->id)->first();
            if ($leader) {
                $leader->is_leader = 1;
                $leader->save();
            } else {
                $this->addUserGroupMembers($data['leader_id'], $userGroup->id, 1);
            }
        }
        return $userGroup;
    }
    

    public function addUserGroupMembers(int $userId, int $groupId, int $isLeader = 0)
    {
        $udata = [
            'user_id' => $userId,
            'group_id' => $groupId,
            'is_leader' => $isLeader
        ];
        return UserGroupMembers::create($udata);
    }
}