<?php

namespace app\admin\controller\commission;

use app\common\controller\Backend;
use app\common\model\commission\Agent as AgentModel;
use app\common\model\User as UserModel;
use app\common\model\commission\Log as LogModel;
use app\common\model\commission\Level as LevelModel;
use app\common\Service\Commission\Agent as AgentService;
use EasyWeChat\OfficialAccount\Server\Handlers\EchoStrHandler;
use think\Db;

class Agent extends Backend
{
    protected $noNeedRight = ['select'];

    protected $model = null;
    
    /**
     * 快速搜索时执行查找的字段
     */
    protected $searchFields = 'user_id,user.nickname,user.mobile';
    
    /**
     * 是否是关联查询
     */
    protected $relationSearch = true;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new AgentModel();
    }

    /**
     * 查看
     */
    public function index()
    {
        if (!$this->request->isAjax()) {
            return $this->view->fetch();
        }

        //如果发送的来源是 Selectpage，则转发到 Selectpage
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }
        
        [$where, $sort, $order, $offset, $limit] = $this->buildparams();
        
        // 处理特殊筛选条件
        $filter = $this->request->get("filter", '');
        if ($filter) {
            $filter = json_decode($filter, true);
            if (isset($filter['tabActive'])) {
                if ($filter['tabActive'] === 'pending') {
                    $where['status'] = 'pending';
                } elseif ($filter['tabActive'] === '0') {
                    $where['level_status'] = ['>', 0];
                }
            }
        }
        
        $list = $this->model
            ->with(['user.parent_user', 'level_info', 'level_status_info', 'upgrade_level'])
            ->where($where)
            ->order($sort, $order)
            ->paginate($limit);
        
        $result = ['total' => $list->total(), 'rows' => $list->items()];
        return json($result);
    }

    /**
     * 详情
     *
     * @param  $id
     */
    public function detail($ids = null)
    {
    
        $row = $this->model->with(['user.parent_user', 'level_info', 'level_status_info', 'upgrade_level'])
        ->where('user_id', $ids)
        ->find();
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        
        // 如果expire_time为空，设置默认值为become_time + 1年
        // if (!$row->expire_time && $row->become_time) {
        //     $row->expire_time = strtotime('+1 year', $row->become_time);
        // }
    
        $this->view->assign('row', $row);
        return $this->view->fetch();
    }


    /**
     * 团队
     *
     * @param  $id
     */
    public function team($ids = null)
    {
        // 获取ID参数，优先使用URL中的id参数
        $ids = $ids ?: $this->request->param('id');
        
        // 将当前分销商ID传递给前端
        $this->assignconfig('current_agent_id', $ids);
        
        if (!$this->request->isAjax()) {
            // 获取当前分销商详细信息用于模板渲染
            $currentAgent = $this->model->with(['user.parent_user', 'level_info'])
                ->where('user_id', $ids)
                ->find();
            
            if (!$currentAgent) {
                $this->error(__('No Results were found'));
            }
            
            $this->view->assign('currentAgent', $currentAgent);
            return $this->view->fetch();
        }

        //如果发送的来源是 Selectpage，则转发到 Selectpage
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }

        [$where, $sort, $order, $offset, $limit] = $this->buildparams();

        // 以分销商表为主表查询团队成员
        // 安全的排序字段处理
        // $allowedSorts = ['user_id', 'status', 'level', 'total_income', 'pending_reward', 'become_time'];
        // $safeSort = in_array($sort, $allowedSorts) ? $sort : 'user_id';
        
        // 以用户表为主表，LEFT JOIN 分销商表，这样普通用户也能查到
        $list = \app\common\model\User::where('parent_user_id', $ids)
            ->with(['agent', 'agent.level_info'])
            ->paginate($limit);

        $result = array("total" => $list->total(), "rows" => $list->items());
        return json($result);
    }

    // 选择分销商
    public function select()
    {
        if (!$this->request->isAjax()) {
            return $this->view->fetch();
        }

        [$where, $sort, $order, $offset, $limit] = $this->buildparams();
        
        $data = $this->model
            ->with(['user', 'level_info', 'level_status_info', 'upgrade_level'])
            ->where($where)
            ->order($sort, $order)
            ->paginate($limit);
        
        $result = ['total' => $data->total(), 'rows' => $data->items()];
        return json($result);
    }

    /**
     * 编辑
     *
     * @param  $id
     */
    public function edit($ids = null)
    {
        $params = $this->request->only(['status', 'upgrade_lock', 'level_status', 'level']);
        $row = $this->model->with(['user', 'level_info', 'level_status_info', 'upgrade_level'])->where('user_id', $ids)->find();
        if (!$row) {
            $this->error('未找到该分销商');
        }
        
        $result = false;
        foreach ($params as $field => $value) {
            switch ($field) {
                case 'status':  // 修改状态
                    $result = $this->changeStatus($row, $value);
                    break;
                case 'level_status':    // 审核等级
                    $result = $this->changeLevelStatus($row, $value);
                    break;
                case 'level':           // 修改等级
                    $result = $this->changeLevel($row, $value);
                    break;
                default:
                    $result = $row->save([$field => $value]);
            }
        }
        
        if ($result) {
            $this->success('更新成功');
        } else {
            $this->error('更新失败');
        }
    }


    // 修改状态
    private function changeStatus($row, $value)
    {
        $result = $row->save(['status' => $value]);
       
        if ($result) {
            LogModel::add($row->user_id, 'agent', ['type' => 'status', 'value' => $value]);
            (new AgentService($row->user_id))->createAsyncAgentUpgrade();
        }
        return $result;
    }

    // 审核等级
    private function changeLevelStatus($row, $value)
    {
        if ($row->level_status == 0 && $value > 0) {
            $this->error('非法操作');
        }

        if ($value == 0) {  // 拒绝操作
            return $row->save(['level_status' => 0]);
        } else {            // 同意操作
            if ($row->upgrade_level) {
                $result = $row->save(['level_status' => 0, 'level' => $row->upgrade_level->level]);
                if ($result) {
                    LogModel::add($row->user_id, 'agent', ['type' => 'level', 'level' => $row->upgrade_level]);
                    (new AgentService($row->user_id))->createAsyncAgentUpgrade();
                }
                return $result;
            }
        }
        return false;
    }

    // 修改等级
    private function changeLevel($row, $value)
    {
        $level = LevelModel::find($value);
        if ($level) {
            $result = $row->save(['level' => $level->level]);
            if ($result) {
                LogModel::add($row->user_id, 'agent', ['type' => 'level', 'level' => $level]);
                (new AgentService($row->user_id))->createAsyncAgentUpgrade();
            }
            return $result;
        } else {
            $this->error('未找到该等级');
        }
    }

    // 更换推荐人
    public function changeParentUser($id)
    {
        $userAgent = new AgentService($id);

        if (!$userAgent->user) {
            $this->error('未找到该用户');
        }

        $parentUserId = $this->request->param('parent_user_id', 0);

        // 更换推荐人检查
        if ($parentUserId != 0) {
            $parentAgent = new AgentService($parentUserId);
            if (!$parentAgent->isAgentAvaliable()) {
                $this->error('选中用户暂未成为分销商,不能成为推荐人');
            }
            if (!$this->checkChangeParentAgent($id, $parentUserId)) {
                $this->error('不能绑定该上级');
            }
            LogModel::add($parentUserId, 'share', ['user' => $userAgent->user]);

            if ($userAgent->isAgentAvaliable()) {
                LogModel::add($id, 'bind', ['user' => $parentAgent->user ?? NULL]);
            }
        }

        $lastParentUserId = $userAgent->user->parent_user_id;

        $userAgent->user->parent_user_id = $parentUserId;
        $userAgent->user->save();

        if ($lastParentUserId > 0) {
            $userAgent->createAsyncAgentUpgrade($lastParentUserId);
        }

        if ($parentUserId > 0) {
            $userAgent->createAsyncAgentUpgrade($parentUserId);
        }
        $this->success('绑定成功');
    }

    // 递归往上找推荐人，防止出现推荐循环
    private function checkChangeParentAgent($userId, $parentUserId)
    {
        if ($userId == $parentUserId) {

            $this->error('推荐人不能是本人');
        }
        if ($parentUserId == 0) {
            return true;
        }

        $parentAgent = UserModel::find($parentUserId);

        if ($parentAgent) {
            if ($parentAgent->parent_user_id == $userId) {
                $this->error("已选中分销商的上级团队中已存在该用户");
            }
            if ($parentAgent->parent_user_id == 0) {
                return true;
            } else {
                return $this->checkChangeParentAgent($userId, $parentAgent->parent_user_id);
            }
        }

        return false;
    }

    /**
     * 更新分销商到期时间
     */
    public function updateExpireTime()
    {
        $userId = $this->request->param('user_id');
        $expireTime = $this->request->param('expire_time');
        
        if (!$userId) {
            $this->error(__('参数错误'));
        }

        // 验证分销商是否存在
        $agent = AgentModel::get($userId);
        if (!$agent) {
            $this->error(__('分销商不存在'));
        }

        // 验证时间格式
        if ($expireTime && !strtotime($expireTime)) {
            $this->error(__('时间格式不正确'));
        }

        // try {
            // 更新到期时间
            $updateData = [];
            if ($expireTime) {
                $updateData['expire_time'] = strtotime($expireTime);
            } else {
                $updateData['expire_time'] = null; // 设置为null表示永久有效
            }

            $result = AgentModel::where('user_id', $userId)->update($updateData);
            
            if ($result !== false) {
                $this->success(__('修改成功'));
            } else {
                $this->error(__('修改失败'));
            }
        // } catch (\Exception $e) {
        //     $this->error(__('修改失败: %s', $e->getMessage()));
        // }
    }

    /**
     * 设置默认到期时间
     * 在用户成为分销商时调用，设置默认到期时间为成为分销商时间+1年
     */
    public function setDefaultExpireTime($userId, $becomeTime = null)
    {
        if (!$becomeTime) {
            $becomeTime = time(); // 如果没有传入成为分销商时间，使用当前时间
        }

        // 计算默认到期时间（1年后）
        $expireTime = strtotime('+1 year', $becomeTime);

        // 更新到期时间
        AgentModel::where('user_id', $userId)->update([
            'expire_time' => $expireTime
        ]);

        return $expireTime;
    }
}