<?php

namespace console\controllers;

use common\components\dirUtil;
use Yii;
use yii\console\Controller;

class TableSchemaController extends Controller
{
	
	//生成数据库字典表 ssh
	//执行 ./yii table-schema/create all 生成table.md文件到根目录的doc目录下
	//使用谷歌浏览器打开即可
	public function actionCreate()
	{
		global $argv;
		
		if (!$argv[2] || strcasecmp($argv[2], 'help') === 0) {
			echo "Usage: ./yii table-schema/create [all|tablename] [filename]\n";
			exit;
		}
		
		$db = Yii::$app->db;
		$allTables = $db->getSchema()->getTableNames();
		
		if ('all' === $argv[2]) {
			$tables = array_diff($allTables, $this->filterTables());
		} else {
			if (!in_array($argv[2], $allTables)) {
				echo sprintf("%s isn't exist \n", $argv[2]);
				exit;
			}
			$tables = (array)$argv[2];
		}
		// 当前数据库没有表
		if (count(array_filter($tables)) == 0) {
			echo "Database has not table \n";
		}
		$filePath = dirUtil::getRootDir() . '/doc/table.md';
		$fp = fopen($filePath, 'a+');
		if (!$fp) {
			echo "Open file failed \n";
		}
		
		foreach ($tables as $table) {
			$schema = $db->getTableSchema($table, true);
			if (!$schema->columns) {
				continue;
			}
			
			fwrite($fp, "#### $schema->name 表 \n");
			
			// 表头
			$header = "| 字段名 | 类型 | 说明 | \n";
			$header .= "|:--------:|:---------:|:-------:| \n";
			fwrite($fp, $header);
			
			// 字段
			$row = '';
			
			foreach ($schema->columns as $col => $obj) {
				$comment = $obj->isPrimaryKey ? '主键' : $obj->comment;
				$row .= "| $obj->name | $obj->dbType | $comment | \n";
			}
			
			fwrite($fp, $row);
			fwrite($fp, "\r\n\r\n");
			
			echo "$schema->name successfully \n";
		}
		
		fclose($fp);
	}
	
	/**
	 * 需要过滤的表(不希望生成文档的表)
	 * @return array
	 */
	protected function filterTables()
	{
		$filterTables = [
			'tbmigration',
			'tbAuthAssignment',
			'tbAuthItemChild',
			'tbAuthRule',
			'tbItemTable'
		];
		
		return $filterTables;
	}
	
	/**
	 * 所有表
	 * @return \string[]
	 */
	protected function allTables()
	{
		return Yii::$app->db->getSchema()->getTableNames();
	}
	
	/**
	 * 清空
	 */
	public function actionClear()
	{
		global $argv;
		
		if (!$argv[2] || strcasecmp($argv[2], 'help') === 0) {
			echo "Usage: ./yii table-schema/clear [filename]\n";
			exit;
		}
		$filePath = dirUtil::getRootDir() . '/doc/table.md';
		if (!is_file($filePath)) {
			echo "$filePath isn't exists \n";
			exit;
		}
		
		$fp = fopen($filePath, 'w');
		if (!$fp) {
			echo "Open file failed \n";
		}
		
		fwrite($fp, '');
		fclose($fp);
		
		echo "Clear successfully \n";
	}

}