<?php

namespace app\admin\controller\commission;

use app\common\controller\Backend;
use app\common\model\commission\Level as LevelModel;
use think\Db;

class Level extends Backend
{

    protected $noNeedRight = ['select'];

    protected $model = null;
    
    /**
     * 快速搜索时执行查找的字段
     */
    protected $searchFields = 'level,name';
    
    /**
     * 是否是关联查询
     */
    protected $relationSearch = false;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new LevelModel();
        
        // 确保默认等级存在
        $this->ensureDefaultLevel();
    }
    
    /**
     * 查看
     */
    public function index()
    {
        if (!$this->request->isAjax()) {
            return $this->view->fetch();
        }

        list($where, $sort, $order, $offset, $limit) = $this->buildparams();
        
        $list = $this->model
                ->where($where)
                ->order($sort, $order)
                ->paginate($limit);

        $result = array("total" => $list->total(), "rows" => $list->items());
        return json($result);
    }
    
    /**
     * 确保默认等级存在
     */
    private function ensureDefaultLevel()
    {
        $defaultLevel = $this->model->where('level', 1)->find();
        if (!$defaultLevel) {
            $data = [
                'name' => '默认等级',
                'level' => 1,
                'commission_rules' => json_encode([
                    'commission_1' => '0.00',
                    'commission_2' => '0.00',
                    'commission_3' => '0.00'
                ]),
                'upgrade_type' => 0,
                'upgrade_rules' => json_encode([])
            ];
            $this->model->save($data);
        }
    }


    /**
     * 添加
     */
    public function add()
    {
        if (!$this->request->isAjax()) {
            return $this->view->fetch();
        }

        $params = $this->request->post("row/a");
        
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', 'row'));
        }
        
        // 只保留允许的字段
        $params = array_intersect_key($params, array_flip(['level', 'name', 'image', 'commission_rules']));
        
        // 处理JSON字段
        if (isset($params['commission_rules']) && is_array($params['commission_rules'])) {
            $params['commission_rules'] = json_encode($params['commission_rules']);
        }
        
        // 设置默认值
        $params['upgrade_type'] = 0;
        $params['upgrade_rules'] = null;

        $this->model->save($params);

        $this->success('保存成功', null, $this->model);
    }

    /**
     * 编辑
     *
     * @param  $id
     */
    public function edit($ids = null)
    {
        $row = $this->model->where('level', $ids)->find();
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        
        if (!$this->request->isAjax()) {
            // 解析commission_rules JSON数据供编辑页面使用
            if ($row['commission_rules']) {
                if (is_string($row['commission_rules'])) {
                    // 如果是字符串，则解码
                    $commission_rules = json_decode($row['commission_rules'], true);
                    if ($commission_rules) {
                        $row['commission_rules'] = $commission_rules;
                    }
                } elseif (is_array($row['commission_rules'])) {
                    // 如果已经是数组，直接使用
                    // commission_rules 已经是数组了，无需处理
                }
            }
            
            $this->view->assign("row", $row);
            return $this->view->fetch('add');
        }

        $params = $this->request->post("row/a");
        
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', 'row'));
        }
        
        // 只保留允许的字段
        $params = array_intersect_key($params, array_flip(['level', 'name', 'image', 'commission_rules']));
        
        // 如果是编辑1级（默认等级），不允许修改level字段
        if ($row['level'] == 1) {
            unset($params['level']); // 移除level参数，保持原值
        }
        
        // 处理JSON字段
        if (isset($params['commission_rules']) && is_array($params['commission_rules'])) {
            $params['commission_rules'] = json_encode($params['commission_rules']);
        }
        $result = $this->model->where('level', $ids)->update($params);


        if ($result) {
            $this->success('更新成功', null, $result);
        } else {
            $this->error('更新失败');
        }
    }

    /**
     * 详情
     *
     * @param  $id
     * @return \think\Response
     */
    public function detail($id)
    {
        $detail = $this->model->get($id);
        if (!$detail) {
            $this->error(__('No Results were found'));
        }
        $this->success('等级详情', null, $detail);
    }

    /**
     * 删除
     *
     * @param  $id
     * @return \think\Response
     */
    public function delete($id)
    {
        if (empty($id)) {
            $this->error(__('Parameter %s can not be empty', 'id'));
        }

        $result = Db::transaction(function () use ($id) {
            return $this->model->where('level', $id)->delete();
        });

        if ($result) {
            $this->success('删除成功', null, $result);
        } else {
            $this->error(__('No rows were deleted'));
        }
    }

    // 选择分销商等级
    public function select()
    {
        if (!$this->request->isAjax()) {
            return $this->view->fetch();
        }

        $data = $this->model->order('level', 'asc')->field('level, name, image, commission_rules')->select();
        
        // 解码JSON字段
        foreach ($data as &$item) {
            if (!empty($item['commission_rules'])) {
                $item['commission_rules'] = json_decode($item['commission_rules'], true);
            }
        }
        
        $this->success('选择等级', null, $data);
    }
}