<?php
namespace Mobile\Model;
use Think\Model;
use Think\Page;

/**
 * 文档基础模型
 */
class DocumentModel extends Model{

	/* 自动验证规则 */
	protected $_validate = array(
		array('name', '/^[a-zA-Z]\w{0,30}$/', '文档标识不合法', self::VALUE_VALIDATE, 'regex', self::MODEL_BOTH),
		array('name', '', '标识已经存在', self::VALUE_VALIDATE, 'unique', self::MODEL_BOTH),
		array('title', 'require', '标题不能为空', self::VALUE_VALIDATE, 'regex', self::MODEL_BOTH),
		array('category_id', 'require', '分类不能为空', self::MUST_VALIDATE , 'regex', self::MODEL_INSERT),
		array('category_id', 'require', '分类不能为空', self::EXISTS_VALIDATE , 'regex', self::MODEL_UPDATE),
		array('category_id,type', 'checkCategory', '内容类型不正确', self::MUST_VALIDATE , 'callback', self::MODEL_INSERT),
		array('category_id', 'checkCategory', '该分类不允许发布内容', self::EXISTS_VALIDATE , 'callback', self::MODEL_BOTH),
		array('model_id,category_id', 'checkModel', '该分类没有绑定当前模型', self::MUST_VALIDATE , 'callback', self::MODEL_INSERT),
	);

	/* 自动完成规则 */
	protected $_auto = array(
		array('uid', 'session', self::MODEL_INSERT, 'function', 'suser_auth.uid'),
		array('title', 'htmlspecialchars', self::MODEL_BOTH, 'function'),
		array('description', 'htmlspecialchars', self::MODEL_BOTH, 'function'),
		array('root', 'getRoot', self::MODEL_BOTH, 'callback'),
		array('attach', 0, self::MODEL_INSERT),
		array('view', 0, self::MODEL_INSERT),
		array('comment', 0, self::MODEL_INSERT),
		array('extend', 0, self::MODEL_INSERT),
		array('create_time', NOW_TIME, self::MODEL_INSERT),
		array('reply_time', NOW_TIME, self::MODEL_INSERT),
		array('update_time', NOW_TIME, self::MODEL_BOTH),
		array('status', 'getStatus', self::MODEL_BOTH, 'callback'),
	);

    public $page = '';

	/**
	 * 获取文档列表
	 * @param  integer  $category 分类ID
	 * @param  string   $order    排序规则
	 * @param  integer  $status   状态
	 * @param  boolean  $count    是否返回总数
	 * @param  string   $field    字段 true-所有字段
	 * @return array              文档列表
	 */
	public function lists($category, $order = '`id` DESC', $status = 1, $field = true){
		$map = $this->listMap($category, $status);
		return $this->field($field)->where($map)->order($order)->select();
	}  
    
    public function index($cate,$page=1,$notnull='',$identify='',$order='id desc',$limit=10,$field=true,$where='',$status=1) {
        
        $category = D('Category')->getChildrenAllInfo($cate,$identify);
        
        if (empty($category) || empty($category['_'])) {return '';}

        if (empty($category['ids'])) {$category['ids'][]=$cate;}
        
        $map = $this->listMap(implode(',',$category['ids']), $status);
        
        if ($notnull) {
            $nn = explode(',',$notnull);
            foreach ($nn as $v) {
                $map[$v] = array('neq', '');               
            }
        }
        
        if ($where) {
            $w = explode(',',$where);
            foreach ($w as $v) {
                $k=explode('=',$v);
                $map[$k[0]] = $k[1];
            }
        }

        $data = $this->field($field)->where($map)->order($order)->page($page,$limit)->select();
        
        $cate = $category['_'];
        
        foreach ($data as $k => $v) {
            
            $vid = $v['category_id'];
            
            $data[$k]['category_title'] = $cate[$vid]['title'];
            
            $data[$k]['category_name'] = $cate[$vid]['name'];
            
            $cname = explode('_',$cate[$vid]['name']);
            $data[$k]['cname'] = $cname[1];
        }
        
        return $data;
    }
    
    
    public function multiple($model,$num=10,$flag = false) {
        $join=$dire="";
        
        $ids = D('Category')->getChildrenAllId('49,50,51,52');
        
        if ($flag) {
            
			$join = "__CATEGORY__ as c on(c.id=d.category_id  ) ";
            
			$dire = "left";
        
		}
        
        $field = isset($model['field'])?$model['field']:true;
		$order = isset($model['order'])?$model['order']:" d.id DESC ";
		$where = isset($model['where'])?$model['where']:" 1 ";
		
        $data = $this->field($field)->table("__DOCUMENT__ as d ")
            ->join($join,$dire)->where($where." and d.category_id in($ids) ")
            ->order($order)->limit($num)->select();
        
        return $data;        
    }
    

	/**
	 * 计算列表总数
	 * @param  number  $category 分类ID
	 * @param  integer $status   状态
	 * @return integer           总数
	 */
	public function listCount($category, $status = 1){
		$map = $this->listMap($category, $status);
		return $this->where($map)->count('id');
	}

	/**
	 * 获取详情页数据
	 * @param  integer $id 文档ID
	 * @return array       详细数据
	 */
	public function detail($id){
		/* 获取基础数据 */
		$info = $this->field(true)->find($id);
		if ( !$info ) {
            $this->error = '文档不存在';
            return false;
        }elseif(!(is_array($info) || 1 !== $info['status'])){
			$this->error = '文档被禁用或已删除！';
			return false;
		}

		/* 获取模型数据 */
		$logic  = $this->logic($info['model_id']);
		$detail = $logic->detail($id); //获取指定ID的数据
		if(!$detail){
			$this->error = $logic->getError();
			return false;
		}

		return array_merge($info, $detail);
	}

	/**
	 * 返回前一篇文档信息
	 * @param  array $info 当前文档信息
	 * @return array
	 */
	public function prev($info){
		$map = array(
			'id'          => array('lt', $info['id']),
			'pid'		  => 0,
			'category_id' => $info['category_id'],
			'status'      => 1,
		);

		/* 返回前一条数据 */
		return $this->field(true)->where($map)->order('id DESC')->find();
	}

	/**
	 * 获取下一篇文档基本信息
	 * @param  array    $info 当前文档信息
	 * @return array
	 */
	public function next($info){
		$map = array(
			'id'          => array('gt', $info['id']),
			'pid'		  => 0,
			'category_id' => $info['category_id'],
			'status'      => 1,
		);

		/* 返回下一条数据 */
		return $this->field(true)->where($map)->order('id')->find();
	}

	public function update(){
		/* 检查文档类型是否符合要求 */
		$Model = new \Admin\Model\DocumentModel();
		$res = $Model->checkDocumentType( I('type'), I('pid') );
		if(!$res['status']){
			$this->error = $res['info'];
			return false;
		}

		/* 获取数据对象 */
		$data = $this->field('pos,display', true)->create();
		if(empty($data)){
			return false;
		}

		/* 添加或新增基础内容 */
		if(empty($data['id'])){ //新增数据
			$id = $this->add(); //添加基础内容

			if(!$id){
				$this->error = '添加基础内容出错！';
				return false;
			}
			$data['id'] = $id;
		} else { //更新数据
			$status = $this->save(); //更新基础内容
			if(false === $status){
				$this->error = '更新基础内容出错！';
				return false;
			}
		}

		/* 添加或新增扩展内容 */
		$logic = $this->logic($data['model_id']);
		if(!$logic->update($data['id'])){
			if(isset($id)){ //新增失败，删除基础数据
				$this->delete($data['id']);
			}
			$this->error = $logic->getError();
			return false;
		}

		//内容添加或更新完成
		return $data;

	}

	/**
	 * 获取段落列表
	 * @param  integer $id    文档ID
	 * @param  integer $page  显示页码
	 * @param  boolean $field 查询字段
	 * @param  boolean $logic 是否查询模型数据
	 * @return array
	 */
	public function part($id, $page = 1, $field = true, $logic = true){
		$map  = array('status' => 1, 'pid' => $id, 'type' => 3);
		$info = $this->field($field)->where($map)->page($page, 10)->order('id')->select();
		if(!$info) {
			$this->error = '该文档没有段落！';
			return false;
		}

		/* 不获取内容详情 */
		if(!$logic){
			return $info;
		}

		/* 获取内容详情 */
		$model = $logic = array();
		foreach ($info as $value) {
			$model[$value['model_id']][] = $value['id'];
		}
		foreach ($model as $model_id => $ids) {
			$data   = $this->logic($model_id)->lists($ids);
			$logic += $data;
		}

		/* 合并数据 */
		foreach ($info as &$value) {
			$value = array_merge($value, $logic[$value['id']]);
		}

		return $info;
	}

	/**
	 * 获取指定文档的段落总数
	 * @param  number $id 段落ID
	 * @return number     总数
	 */
	public function partCount($id){
		$map = array('status' => 1, 'pid' => $id, 'type' => 3);
		return $this->where($map)->count('id');
	}

	/**
	 * 获取推荐位数据列表
	 * @param  number  $pos      推荐位 1-列表推荐，2-频道页推荐，4-首页推荐
	 * @param  number  $category 分类ID
	 * @param  number  $limit    列表行数
	 * @param  boolean $filed    查询字段
	 * @return array             数据列表
	 */
	public function position($pos, $category = null, $limit = null, $field = true){
		$map = $this->listMap($category, 1, $pos);

		/* 设置列表数量 */
		is_numeric($limit) && $this->limit($limit);

		/* 读取数据 */
		return $this->field($field)->where($map)->select();
	}

	/**
     * 获取数据状态
     * @return integer 数据状态
     * @author huajie <banhuajie@163.com>
     */
    protected function getStatus(){
        $cate = I('post.category_id');
        $check = M('Category')->getFieldById($cate, 'check');
        if($check){
            $status = 2;
        }else{
        	$status = 1;
        }
        return $status;
    }

    /**
     * 获取根节点id
     * @return integer 数据id
     * @author huajie <banhuajie@163.com>
     */
    protected function getRoot(){
    	$pid = I('post.pid');
    	if($pid == 0){
    		return 0;
    	}
    	$p_root = $this->getFieldById($pid, 'root');
    	return $p_root == 0 ? $pid : $p_root;
    }

	/**
	 * 验证分类是否允许发布内容
	 * @param  integer $id 分类ID
	 * @return boolean     true-允许发布内容，false-不允许发布内容
	 */
	protected function checkCategory($id){
		if(is_array($id)){
			$type = get_category($id['category_id'], 'type');
			return in_array($id['type'], $type);
		} else {
			$publish = get_category($id, 'allow_publish');
			return $publish ? true : false;
		}
	}

	/**
	 * 检测分类是否绑定了指定模型
	 * @param  array $info 模型ID和分类ID数组
	 * @return boolean     true-绑定了模型，false-未绑定模型
	 */
	protected function checkModel($info){
		$model = get_category($info['category_id'], 'model');
		return in_array($info['model_id'], $model);
	}

	/**
	 * 获取扩展模型对象
	 * @param  integer $model 模型编号
	 * @return object         模型对象
	 */
	private function logic($model) {
        
        $name  = parse_name(get_document_model($model, 'name'), 1);
        
        $class = is_file(MODULE_PATH . 'Logic/' . $name . 'Logic' . EXT) ? $name : 'Base';
        
        $class = MODULE_NAME . '\\Logic\\' . $class . 'Logic';
        
        return new $class($name);  		
    }
	/**
	 * 设置where查询条件
	 * @param  number  $category 分类ID
	 * @param  number  $pos      推荐位
	 * @param  integer $status   状态
	 * @return array             查询条件
	 */
	private function listMap($category, $status = 1, $pos = null){
		/* 设置状态 */
		$map = array('status' => $status, 'pid' => 0);

		/* 设置分类 */
		if(!is_null($category)){
			if(is_numeric($category)){
				$map['category_id'] = $category;
			} else {
				$map['category_id'] = array('in', str2arr($category));
			}
		}

		$map['create_time'] = array('lt', NOW_TIME);
		$map['_string']     = 'deadline = 0 OR deadline > ' . NOW_TIME;

		/* 设置推荐位 */
		if(is_numeric($pos)){
			$map[] = "position & {$pos} = {$pos}";
		}

		return $map;
	}


	/**
	 * 设置where查询条件
	 * @param  number  $category 分类ID
	 * @param  number  $pos      推荐位
	 * @param  integer $status   状态
	 * @return array             查询条件
	 */
	public function listMaps($category, $status = 1, $pos = null){
		/* 设置状态 */
		$map = array('status' => $status, 'pid' => 0);

		/* 设置分类 */
		if(!is_null($category)){
			if(is_numeric($category)){
				$map['category_id'] = $category;
			} else {
				$map['category_id'] = array('in', str2arr($category));
			}
		}

		$map['create_time'] = array('lt', NOW_TIME);
		$map['_string']     = 'deadline = 0 OR deadline > ' . NOW_TIME;

		/* 设置推荐位 */
		if(is_numeric($pos)){
			$map[] = "position & {$pos} = {$pos}";
		}

		return $map;
	}

}