<?php
namespace app\common\model\base\models;
/**
 * @title        : 模型字段管理
 * @desc         :
 * @Author       : Rock
 * @Date         : 2023-04-11 20:02:23
 */
use app\common\model\Common;
use think\facade\Db;
use think\model\concern\SoftDelete;
class ModelFields extends Common
{
	// use SoftDelete;
	protected $name = "system_auto_model_field";
	protected $pk = "field_id";
	protected $json = ['content'];
	protected $jsonAssoc = true;
	protected $append = ['field_type_txt','show_in_table_txt','search_type_txt','status_txt','content_txt','extra_rule_txt','test_value'];
	protected $schema = [
		'field_id'=>'int',
  	'model_name'=>'varchar',
  	'model_title'=>'varchar',
  	'title'=>'varchar',
  	'field'=>'varchar',
  	'field_type'=>'enum',
  	'db_type'=>'varchar',
  	'len'=>'int',
  	'show_in_table'=>'tinyint',
  	'search_type'=>'enum',
  	'status'=>'tinyint',
  	'weigh'=>'int',
  	'rule'=>'varchar',
  	'content'=>'varchar',
  	'create_at'=>'datetime',
  	'update_at'=>'datetime',
  	'delete_at'=>'datetime',
  	'default_value'=>'varchar',
  	'extra_rule'=>'text',
  	'is_relation'=>'tinyint',
  	'relation_model'=>'varchar',
  	'relation_field'=>'varchar',
  	'relation_show'=>'varchar',
  	'relation_dic_group'=>'varchar',
  	'auto_methods'=>'text',
	];
	static public function fieldTypeList()
	{
		return [
			'string'		=> '单行文本',
			'text'			=> '多行文本',
			'editor'		=> '编辑器',
			'number'		=> '数字',
			'year'			=> '年度',
			'month'			=> '月份',
			'date'			=> '日期',
			'time'			=> '时间',
			'datetime'	=> '日期时间',
			'datetimerange' => '日期时间区间',
			'select'		=> '列表',
			'selects'		=> '列表(多选)',
			'image'			=> '单图',
			'images'		=> '多图',
			'file'			=> '单文件',
			'files'			=> '多文件',
			'switch'		=> '开关',
			'checkbox'	=> '复选',
			'radio'			=> '单选',
			'color'			=> '颜色',
			'json'			=> 'JSON数组',
			'slider'		=> '滑块',
			'relate_self'=>'关联自身',
			'relate_dic'=>'关联字典',
			'relate_single'=>'关联单选',
			'relate_multiple'=>'关联多选',
			'user_auto'=>'用户(自动)',
			'org_auto'=>'组织(自动)',
			'user_select'=>'用户(选择)',
			'org_select'=>'组织(选择)',
		];
	}
	public function getTestValueAttr($value,$row)
	{
		$extra_rule = !empty($row['extra_rule'])?json_decode($row['extra_rule'],true):[];
		$extra_rule = array_column($extra_rule,'value','key');
		if(in_array($row['field_type'],['selects','checkbox','images','files','relate_multiple'])){
			return [];
		}elseif(in_array($row['field_type'],['user_select','org_select','relate_dic']) && isset($extra_rule['multiple']) && ($extra_rule['multiple']==='true' || $extra_rule['multiple']===true)){
			return [];
		}elseif(in_array($row['db_type'],['tinyint','smallint','mediumint','int','bigint','double','float','decimal','timestamp'])){
			return 0;
		}else{
			return '';
		}
	}
	public function getFieldTypeTxtAttr($value,$row)
	{
		$fieldTypeList = self::fieldTypeList();
        return $fieldTypeList[$value ?? $row['field_type']] ?? '';
	}
	static public function dbTypeList()
	{
		return [
			'tinyint','smallint','mediumint','int','bigint','double','float','decimal','char','varchar','date','time','year','timestamp','datetime','text','longtext','enum','set','json'
		];
	}
	static public function showInTableList()
	{
		return [1=>'显示',2=>'不显示'];
	}
	public function getShowInTableTxtAttr($value,$row)
	{
		$showInTableList = self::showInTableList();
        return $showInTableList[$value ?? $row['show_in_table']] ?? '';
	}
	static public function searchTypeList()
	{
		return ['none'=>'无搜索','list'=>'下拉列表','keyword'=>'关键字','year'=>'年度','month'=>'月份','date'=>'日期','daterange'=>'日期范围','datetime'=>'日期时间','datetimerange'=>'日期时间范围','relation'=>'关联筛选'];
	}
	public function getSearchTypeTxtAttr($value,$row)
	{
		$searchTypeList = self::searchTypeList();
        return $searchTypeList[$value ?? $row['search_type']] ?? '';
	}
	static public function statusList()
	{
		return [1=>'启用',2=>'停用'];
	}
	public function getStatusTxtAttr($value,$row)
	{
		$statusList = self::statusList();
        return $statusList[$value ?? $row['status']] ?? '';
	}
	public function setModelTitleAttr($value,$row)
	{
		$title = ModelManage::where('name',$row['model_name'])->value('title');
		return $title;
	}
	// 配置选项content文本获取器
	public function getContentTxtAttr($value,$data)
	{
			if(!empty($data['content'])){
					$contentAry = [];
					foreach($data['content'] as $content){
							$contentAry[] = $content['key'].'|'.$content['value'];
					}
					return implode("\n",$contentAry);
			}
			return $value;
	}
	// 配置选项content修改器
	public function setContentAttr($value,$data)
	{
			if(!empty($data['content_txt'])){
					$contentAry = explode("\n",$data['content_txt']);
					$contentAry = array_filter($contentAry);
					$newContent = [];
					foreach($contentAry as $item){
							$itemAry = explode('|',$item);
							$key = $itemAry[0];
							$value = $itemAry[1];
							$newContent[] = ['key'=>$key,'value'=>$value];
					}
					return json_encode($newContent);
			}
			return $value;
	}
	// 组件属性修改器
	public function setExtraRuleAttr($value,$data)
	{
		if(!empty($data['extra_rule_txt'])){
				$contentAry = explode("\n",$data['extra_rule_txt']);
				$contentAry = array_filter($contentAry);
				$newContent = [];
				foreach($contentAry as $item){
						$itemAry = explode('|',$item);
						$key = $itemAry[0];
						$value = $itemAry[1]??'';
						$newContent[] = ['key'=>$key,'value'=>$value];
				}
				$value =  json_encode($newContent);
		}else{
			$value = null;
		}
		return $value;
	}
	// 组件属性获取器
	public function getExtraRuleAttr($value,$data)
	{
			$value = $value??$data['extra_rule']??[];
			$value = is_string($value)?json_decode($value,true):$value;
			$res = [];
			foreach($value as $item){
				if($item['value']=='true'){
					$val = true;
				}elseif($item['value']=='false'){
					$val = false;
				}elseif(in_array($item['key'],['min','max','step'])){
					$val = floatval($item['value']);
				}else{
					$val = $item['value'];
				}
				$res[$item['key']] = $val;
			}
			return $res;
	}
	// 组件属性文本获取器
	public function getExtraRuleTxtAttr($value,$data)
	{
		if(!empty($data['extra_rule'])){
				$contentAry = [];
				$extra_rule = is_string($data['extra_rule'])?json_decode($data['extra_rule'],true):$data['extra_rule'];
				foreach($extra_rule as $content){
						$contentAry[] = $content['key'].'|'.$content['value'];
				}
				return implode("\n",$contentAry);
		}
		return $value;
	}
	// 规则修改器
    public function setRuleAttr($value,$data)
    {
        $value = $value??$data['rule']??'';
        return empty($value)||$value=='null'?'':$value;
    }
		//触发自动关联的方法修改器
		public function setAutoMethodsAttr($value,$data)
		{
			$value = $value??$data['auto_methods']??[];
			$value = array_filter($value);
			return implode(',',$value);
		}
		//触发自动关联的方法获取器
		public function getAutoMethodsAttr($value,$data)
		{
			$value = $value??$data['auto_methods']??'';
			$res = explode(',',$value);
			return array_filter($res);
		}
 /**
  * @title: 添加字段
  * @desc: 描述
  * @param {string} $tblName
  * @param {int} $id
  * @return {*}
  * @author: Rock
  * @method: POST
  * @Date: 2023-04-17 14:14:06
  */
	static public function addField(int $id)
	{
		$info = self::find($id);
		$tblName = $info->getAttr('model_name');
		$field = $info->getAttr('field');
		$title = $info->getAttr('title');
		$dbType = $info->getAttr('db_type');
		$len = $info->getAttr('len');
		$defaultVal = $info->getAttr('default_value')??NULL;
		if($dbType=='enum'){
			$len = "'".implode('\',\'',array_column($info->content,'key'))."'";
			if(!empty($defaultVal)){
				$sql = "ALTER TABLE $tblName ADD $field $dbType($len) DEFAULT '$defaultVal' COMMENT '$title'";
			}else{
				$sql = "ALTER TABLE $tblName ADD $field $dbType($len) COMMENT '$title'";
			}
		}elseif(in_array($dbType,['date','datetime','year'])){
			if(!empty($defaultVal)){
				$sql = "ALTER TABLE $tblName ADD $field $dbType DEFAULT '$defaultVal' COMMENT '$title'";
			}else{
				$sql = "ALTER TABLE $tblName ADD $field $dbType DEFAULT NULL COMMENT '$title'";
			}
		}elseif(!in_array($dbType,['text','blob','json','geometry'])){
			$sql = "ALTER TABLE $tblName ADD $field $dbType($len) DEFAULT '$defaultVal' COMMENT '$title'";
		}else{
			$sql = "ALTER TABLE $tblName ADD $field $dbType($len) COMMENT '$title'";
		}
		$res = Db::execute($sql);
		return $res;
	}
 /**
  * @title: 添加为数据表多个字段
  * @desc: 描述
  * @param {string} {tblName} {} {数据表名}
  * @param {array} {fields} {} {字段数组}
  * @return {*}
  * @author: Rock
  * @method: POST
  * @Date: 2023-08-29 16:53:23
  */
	static public function addFields(string $tblName,array $fields)
	{
		$list = self::where('model_name',$tblName)->where('field','IN',$fields)->select();
		$sql = "ALTER TABLE $tblName ";
		$fieldList = [];
		foreach($list as $item){
			$field = $item->getAttr('field');
			$title = $item->getAttr('title');
			$dbType = $item->getAttr('db_type');
			$len = $item->getAttr('len');
			$defaultVal = $item->getAttr('default_value')??NULL;
			if($dbType=='enum'){
				$len = "'".implode('\',\'',array_column($item->content,'key'))."'";
				if(!empty($defaultVal)){
					$fieldList[] = "ADD $field $dbType($len) DEFAULT '$defaultVal' COMMENT '$title'";
				}else{
					$fieldList[] = "ADD $field $dbType($len) COMMENT '$title'";
				}
			}elseif(in_array($dbType,['date','datetime','year'])){
				if(!empty($defaultVal)){
					$fieldList[] = "ADD $field $dbType DEFAULT '$defaultVal' COMMENT '$title'";
				}else{
					$fieldList[] = "ADD $field $dbType DEFAULT NULL COMMENT '$title'";
				}

			}elseif(!in_array($dbType,['text','blob','json','geometry'])){
				$fieldList[] = "ADD $field $dbType($len) DEFAULT '$defaultVal' COMMENT '$title'";
			}else{
				$fieldList[] = "ADD $field $dbType($len) COMMENT '$title'";
			}
		}
		$sql .= implode(',',$fieldList);
		$res = Db::execute($sql);
		return $res;
	}
 /**
  * @title: 修改信息
  * @desc: 描述
  * @param {int} {id} {} {模型字段ID(field_id)}
  * @param {string} {oldFeild} {} {原字段名}
  * @return {*}
  * @author: Rock
  * @method: POST
  * @Date: 2023-04-17 19:52:48
  */
	static public function updateField(int $id,string $oldField)
	{
		$info = self::find($id);
		$tblName = $info->getAttr('model_name');
		$field = $info->getAttr('field');
		$dbType = $info->getAttr('db_type');
		$len = $info->getAttr('len');
		$title = $info->getAttr('title');
		$defaultVal = $info->getAttr('default_value');
		// 检查旧字段是否存在
		$sql = "SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name='$tblName' AND column_name='$oldField'";
		$res = Db::query($sql);
		if(!$res || count($res)==0){
			return self::addField($id);
		}
		if($dbType=='enum'){
			$len = "'".implode('\',\'',array_column($info->content,'key'))."'";
			if(!empty($defaultVal)){
				$sql = "ALTER TABLE $tblName CHANGE $oldField $field $dbType($len) DEFAULT '$defaultVal' COMMENT '$title'";
			}else{
				$sql = "ALTER TABLE $tblName CHANGE $oldField $field $dbType($len) COMMENT '$title'";
			}
		}elseif(in_array($dbType,['date','datetime','year'])){
			if(!empty($defaultVal)){
				$sql = "ALTER TABLE $tblName CHANGE $oldField $field $dbType DEFAULT '$defaultVal' COMMENT '$title'";
			}else{
				$sql = "ALTER TABLE $tblName CHANGE $oldField $field $dbType DEFAULT NULL COMMENT '$title'";
			}
		}elseif(!in_array($dbType,['text','blob','json','geometry'])){
			$sql = "ALTER TABLE $tblName CHANGE $oldField $field $dbType($len) DEFAULT '$defaultVal' COMMENT '$title'";
		}else{
			$sql = "ALTER TABLE $tblName CHANGE $oldField $field $dbType($len) COMMENT '$title'";
		}
		$res = Db::execute($sql);
		return $res;
	}
 /**
  * @title: 删除字段
  * @desc: 描述
  * @param {int} {id} {} {模型字段ID(field_id)}
  * @return {*}
  * @author: Rock
  * @method: POST
  * @Date: 2023-04-17 20:37:53
  */
	static public function deleteField(int $id)
	{
		$info = self::find($id);
		$tblName = $info->getAttr('model_name');
		$field = $info->getAttr('field');
		// 检查旧字段是否存在
		$sql = "SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name='$tblName' AND column_name='$field'";
		$res = Db::query($sql);
		if($res && count($res)>0){
			$sql = "ALTER TABLE $tblName DROP COLUMN $field";
			$res = Db::execute($sql);
		}
		return $res;
	}
 /**
  * @title: 删除多个字段
  * @desc: 描述
  * @param {string} {model_name} {} {模型字段ID数组}
  * @param {array} {fields} {} {模型字段数组}
  * @return {*}
  * @author: Rock
  * @method: POST
  * @Date: 2023-08-29 15:46:49
  */
	static public function deleteFields(string $model_name,array $fields)
	{
		// 查询已存在的字段
		$oldSql = "SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name='$model_name' AND column_name IN ('".implode('\',\'',$fields)."');";
		$res = Db::query($oldSql);
		$oldList = array_column($res,'COLUMN_NAME');
		$sql = "ALTER TABLE $model_name ";
		$dropList = [];
		foreach($fields as $field){
			if(in_array($field,$oldList)){
				$dropList[] = "DROP COLUMN $field";
			}
		}
		if(!empty($dropList)){
			$sql .= implode(',',$dropList);
			$sql .= ";";
			$res = Db::execute($sql);
			return $res;
		}
		return true;
	}
}