<?php

namespace common\components;

use Yii;

class validate
{
	
	//简单检查，只查有没传参数，具体参数值不管
	public static function easyCheck($valid, $data)
	{
		$keyList = array_keys($data);
		$validPass = true;
		foreach ($valid as $val) {
			if (in_array($val, $keyList) == false) {
				error::instance()->setError('缺少必要参数：' . $val);
				$validPass = false;
				break;
			}
		}
		return $validPass;
	}
	
	// 示例 $valid = [['title', 'numeric|min:2|max:40', '请确认标题'],['targetId', 'required|int', '目标不存在'],['type', 'required|int|min:2', '类型无效']];
	public static function check($valid, $data)
	{
		$validPass = true;
		foreach ($valid as $val) {
			if (count($val) != 3) {
				util::fail('验证参数设置错误');
			}
			$field = isset($val[0]) ? $val[0] : '';
			$requireString = isset($val[1]) ? $val[1] : '';
			$message = isset($val[2]) ? $val[2] : '';
			if (empty($requireString)) {
				util::fail('验证参数设置错误！');
			}
			$requireArr = explode('|', $requireString);
			if (in_array('required', $requireArr)) {
				if (isset($data[$field]) == false || strlen($data[$field]) == 0) {
					util::fail($message);
				}
			} else {
				if (isset($data[$field]) == false) {
					continue;
				}
			}
			$currentValue = $data[$field];
			$hasError = false;
			foreach ($requireArr as $requireItem) {
				$min = strstr($requireItem, 'min:') ? (int)str_replace('min:', '', $requireItem) : 0;
				$max = strstr($requireItem, 'max:') ? (int)str_replace('max:', '', $requireItem) : 0;
				if ($min > 0) {
					if (strlen(trim($currentValue)) < $min) {
						$hasError = true;
					}
				}
				if ($max > 0) {
					if (strlen(trim($currentValue)) > $max) {
						$hasError = true;
					}
				}
				if ($min == 0 && $max == 0) {
					if (strlen(trim($currentValue)) == 0) {
						$hasError = true;
					}
				}
				if (strlen(trim($currentValue)) == 0) {
					$hasError = true;
				}
				if ($requireItem == 'int') {
					if (is_numeric($currentValue) == false) {
						$hasError = true;
					}
				}
				if ($requireItem == 'numeric') {
					if (is_numeric($currentValue) == false) {
						$hasError = true;
					}
				}
				if ($hasError) {
					util::fail($message);
				}
			}
		}
		return $validPass;
	}
}