<?php
// https://vercel.com/docs/api#endpoints/deployments/create-a-new-deployment

function getpath()
{
    $_SERVER['firstacceptlanguage'] = strtolower(splitfirst(splitfirst($_SERVER['HTTP_ACCEPT_LANGUAGE'],';')[0],',')[0]);
    if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) $_SERVER['REMOTE_ADDR'] = $_SERVER['HTTP_X_FORWARDED_FOR'];
    if (isset($_SERVER['HTTP_FLY_CLIENT_IP'])) $_SERVER['REMOTE_ADDR'] = $_SERVER['HTTP_FLY_CLIENT_IP'];
    if ($_SERVER['REQUEST_SCHEME']!='http'&&$_SERVER['REQUEST_SCHEME']!='https') {
        if ($_SERVER['HTTP_X_FORWARDED_PROTO']!='') {
            $tmp = explode(',', $_SERVER['HTTP_X_FORWARDED_PROTO'])[0];
            if ($tmp=='http'||$tmp=='https') $_SERVER['REQUEST_SCHEME'] = $tmp;
        }
        if ($_SERVER['HTTP_FLY_FORWARDED_PROTO']!='') $_SERVER['REQUEST_SCHEME'] = $_SERVER['HTTP_FLY_FORWARDED_PROTO'];
    }
    $_SERVER['host'] = $_SERVER['REQUEST_SCHEME'] . '://' . $_SERVER['HTTP_HOST'];
    $_SERVER['referhost'] = explode('/', $_SERVER['HTTP_REFERER'])[2];
    if (isset($_SERVER['DOCUMENT_ROOT'])&&$_SERVER['DOCUMENT_ROOT']==='/app') $_SERVER['base_path'] = '/';
    else $_SERVER['base_path'] = path_format(substr($_SERVER['SCRIPT_NAME'], 0, -10) . '/');
    if (isset($_SERVER['UNENCODED_URL'])) $_SERVER['REQUEST_URI'] = $_SERVER['UNENCODED_URL'];
    $p = strpos($_SERVER['REQUEST_URI'],'?');
    if ($p>0) $path = substr($_SERVER['REQUEST_URI'], 0, $p);
    else $path = $_SERVER['REQUEST_URI'];
    $path = path_format( substr($path, strlen($_SERVER['base_path'])) );
    $_SERVER['DOCUMENT_ROOT'] = '/var/task/user';
    return $path;
}

function getGET()
{
    if (!$_POST) {
        if (!!$HTTP_RAW_POST_DATA) {
            $tmpdata = $HTTP_RAW_POST_DATA;
        } else {
            $tmpdata = file_get_contents('php://input');
        }
        if (!!$tmpdata) {
            $postbody = explode("&", $tmpdata);
            foreach ($postbody as $postvalues) {
                $pos = strpos($postvalues,"=");
                $_POST[urldecode(substr($postvalues,0,$pos))]=urldecode(substr($postvalues,$pos+1));
            }
        }
    }
    if (isset($_SERVER['UNENCODED_URL'])) $_SERVER['REQUEST_URI'] = $_SERVER['UNENCODED_URL'];
    $p = strpos($_SERVER['REQUEST_URI'],'?');
    if ($p>0) {
        $getstr = substr($_SERVER['REQUEST_URI'], $p+1);
        $getstrarr = explode("&",$getstr);
        foreach ($getstrarr as $getvalues) {
            if ($getvalues != '') {
                $pos = strpos($getvalues, "=");
            //echo $pos;
                if ($pos > 0) {
                    $getarry[urldecode(substr($getvalues, 0, $pos))] = urldecode(substr($getvalues, $pos + 1));
                } else {
                    $getarry[urldecode($getvalues)] = true;
                }
            }
        }
    }
    if (isset($getarry)) {
        return $getarry;
    } else {
        return [];
    }
}

function getConfig($str, $disktag = '')
{
    if (isInnerEnv($str)) {
        if ($disktag=='') $disktag = $_SERVER['disktag'];
        $env = json_decode(getenv($disktag), true);
        if (isset($env[$str])) {
            if (isBase64Env($str)) return base64y_decode($env[$str]);
            else return $env[$str];
	}
    } else {
        if (isBase64Env($str)) return base64y_decode(getenv($str));
        else return getenv($str);
    }
    return '';
}

function setConfig($arr, $disktag = '')
{
    if ($disktag=='') $disktag = $_SERVER['disktag'];
    $disktags = explode("|",getConfig('disktag'));
    if ($disktag!='') $diskconfig = json_decode(getenv($disktag), true);
    $tmp = [];
    $indisk = 0;
    $operatedisk = 0;
    foreach ($arr as $k => $v) {
        if (isCommonEnv($k)) {
            if (isBase64Env($k)) $tmp[$k] = base64y_encode($v);
            else $tmp[$k] = $v;
        } elseif (isInnerEnv($k)) {
            if (isBase64Env($k)) $diskconfig[$k] = base64y_encode($v);
            else $diskconfig[$k] = $v;
            $indisk = 1;
        } elseif ($k=='disktag_add') {
            array_push($disktags, $v);
            $operatedisk = 1;
        } elseif ($k=='disktag_del') {
            $disktags = array_diff($disktags, [ $v ]);
            $tmp[$v] = '';
            $operatedisk = 1;
        } elseif ($k=='disktag_copy') {
            $newtag = $v . '_' . date("Ymd_His");
            $tmp[$newtag] = getConfig($v);
            array_push($disktags, $newtag);
            $operatedisk = 1;
        } elseif ($k=='disktag_rename' || $k=='disktag_newname') {
            if ($arr['disktag_rename']!=$arr['disktag_newname']) $operatedisk = 1;
        } else {
            $tmp[$k] = json_encode($v);
        }
    }
    if ($indisk) {
        $diskconfig = array_filter($diskconfig, 'array_value_isnot_null');
        ksort($diskconfig);
        $tmp[$disktag] = json_encode($diskconfig);
    }
    if ($operatedisk) {
        if (isset($arr['disktag_newname']) && $arr['disktag_newname']!='') {
            $tags = [];
            foreach ($disktags as $tag) {
                if ($tag==$arr['disktag_rename']) array_push($tags, $arr['disktag_newname']);
                else array_push($tags, $tag);
            }
            $tmp['disktag'] = implode('|', $tags);
            $tmp[$arr['disktag_newname']] = getConfig($arr['disktag_rename']);
            $tmp[$arr['disktag_rename']] = null;
        } else {
            $disktags = array_unique($disktags);
            foreach ($disktags as $disktag) if ($disktag!='') $disktag_s .= $disktag . '|';
            if ($disktag_s!='') $tmp['disktag'] = substr($disktag_s, 0, -1);
            else $tmp['disktag'] = null;
        }
    }
    foreach ($tmp as $key => $val) if ($val=='') $tmp[$key]=null;

    return setVercelConfig($tmp, getConfig('HerokuappId'), getConfig('APIKey'));
    error_log1(json_encode($arr, JSON_PRETTY_PRINT) . ' => tmp：' . json_encode($tmp, JSON_PRETTY_PRINT));
}

function install()
{
    global $constStr;
    if ($_GET['install1']) {
        if ($_POST['admin']!='') {
            $tmp['admin'] = $_POST['admin'];
            //$tmp['language'] = $_POST['language'];
            $tmp['timezone'] = $_COOKIE['timezone'];
            $APIKey = getConfig('APIKey');
            if ($APIKey=='') {
                $APIKey = $_POST['APIKey'];
                $tmp['APIKey'] = $APIKey;
            }
            
		$projectPath = splitlast(__DIR__, "/")[0];
    //$html .= file_get_contents($projectPath . "/.data/config.php") . "<br>";GET /v5/now/deployments  /v8/projects/:id/env
		$token = $tmp['APIKey'];
	$header["Authorization"] = "Bearer " . $token;
	$header["Content-Type"] = "application/json";
		$aliases = json_decode(curl("GET", "https://api.vercel.com/v3/now/aliases", "", $header)['body'], true);
		$host = splitfirst($_SERVER["host"], "//")[1];
		foreach ($aliases["aliases"] as $key => $aliase) {
			if ($host==$aliase["alias"]) $projectId = $aliase["projectId"];
		}
		//$envs = json_decode(curl("GET", "https://api.vercel.com/v8/projects/" . $projectId . "/env", "", $header)['body'], true);

            $tmp['HerokuappId'] = $projectId;
            $response = json_decode(setVercelConfig($tmp, $projectId, $APIKey)['body'], true);
            if (api_error($response)) {
                $html = api_error_msg($response);
                $title = 'Error';
            } else {
                return output('<span id="displayBox"></span>
    <script>
        var expd = new Date();
        expd.setTime(expd.getTime()+1000);
        var expires = "expires="+expd.toGMTString();
        document.cookie=\'language=; path=/; \'+expires;
	x = 30;
	function countSecond() 
	{　
	    x--;
	    document.getElementById("displayBox").innerHTML = x;
	    if (x>0) setTimeout("countSecond()", 1000);
	}
	// 执行函数
	countSecond();
    </script>
    <meta http-equiv="refresh" content="30;URL=' . path_format($_SERVER['base_path'] . '/') . '">', 302);
            }
            return message($html, $title, 201);
        }
    }
    if ($_GET['install0']) {
        $html .= '
    <form action="?install1" method="post" onsubmit="return notnull(this);">
language:<br>';
        foreach ($constStr['languages'] as $key1 => $value1) {
            $html .= '
        <label><input type="radio" name="language" value="'.$key1.'" '.($key1==$constStr['language']?'checked':'').' onclick="changelanguage(\''.$key1.'\')">'.$value1.'</label><br>';
        }
        if (getConfig('APIKey')=='') $html .= '
        <a href="https://vercel.com/account/tokens" target="_blank">' . getconstStr('Create') . ' token</a><br>
        <label>Token:<input name="APIKey" type="text" placeholder="" size=""></label><br>';
        $html .= '<br>
        <label>Set admin password:<input name="admin" type="password" placeholder="' . getconstStr('EnvironmentsDescription')['admin'] . '" size="' . strlen(getconstStr('EnvironmentsDescription')['admin']) . '"></label><br>';
        $html .= '
        <input type="submit" value="'.getconstStr('Submit').'">
    </form>
    <script>
        var nowtime= new Date();
        var timezone = 0-nowtime.getTimezoneOffset()/60;
        var expd = new Date();
        expd.setTime(expd.getTime()+(2*60*60*1000));
        var expires = "expires="+expd.toGMTString();
        document.cookie="timezone="+timezone+"; path=/; "+expires;
        function changelanguage(str)
        {
            var expd = new Date();
            expd.setTime(expd.getTime()+(2*60*60*1000));
            var expires = "expires="+expd.toGMTString();
            document.cookie=\'language=\'+str+\'; path=/; \'+expires;
            location.href = location.href;
        }
        function notnull(t)
        {
            if (t.admin.value==\'\') {
                alert(\'input admin\');
                return false;
            }';
        if (getConfig('APIKey')=='') $html .= '
            if (t.APIKey.value==\'\') {
                alert(\'input API Key\');
                return false;
            }';
        $html .= '
            return true;
        }
    </script>';
        $title = getconstStr('SelectLanguage');
        return message($html, $title, 201);
    }

	if (substr($_SERVER["host"], -10)=="vercel.app") {
    $html .= '<a href="?install0">' . getconstStr('ClickInstall') . '</a>, ' . getconstStr('LogintoBind');
	$html .= "<br>Remember: you MUST wait 30-60s after each operate / do some change, that make sure Vercel has done the building<br>" ;
	} else {
		$html.= "Please visit form *.vercel.app";
	}
    $title = 'Install';
    return message($html, $title, 201);
}

// POST /v8/projects/:id/env
function setVercelConfig($envs, $appId, $token)
{
	$url = "https://api.vercel.com/v8/projects/" . $appId . "/env";
	$header["Authorization"] = "Bearer " . $token;
	$header["Content-Type"] = "application/json";
	$response = curl("GET", $url, "", $header);
	$result = json_decode($response['body'], true);
	foreach ($result["envs"] as $key => $value) {
		$existEnvs[$value["key"]] = $value["id"];
	}
	$response = null;
	foreach ($envs as $key => $value) {
		$tmp = null;
		$tmp["type"] = "encrypted";
		$tmp["key"] = $key;
		$tmp["value"] = $value;
		$tmp["target"] = [ "development", "production", "preview" ];
		if (isset($existEnvs[$key])) {
			if ($value) $response = curl("PATCH", $url . "/" . $existEnvs[$key], json_encode($tmp), $header);
			else $response = curl("DELETE", $url . "/" . $existEnvs[$key], "", $header);
		} else {
			if ($value) $response = curl("POST", $url, json_encode($tmp), $header);
		}
		//echo $key . ":" . $value . ", " . json_encode($response, JSON_PRETTY_PRINT) . "<br>";
	}
	return VercelUpdate($appId, $token);
	//return $response;
}

function VercelUpdate($appId, $token, $sourcePath = "")
{
	$url = "https://api.vercel.com/v12/now/deployments";
	$header["Authorization"] = "Bearer " . $token;
	$header["Content-Type"] = "application/json";
	$data["name"] = "OneManager";
	$data["project"] = $appId;
	$data["target"] = "production";
	$data["routes"][0]["src"] = "/(.*)";
	$data["routes"][0]["dest"] = "/api/index.php";
	$data["functions"]["api/index.php"]["runtime"] = "vercel-php@0.4.0";
	if ($sourcePath=="") $sourcePath = splitlast(splitlast(__DIR__, "/")[0], "/")[0];
	//echo $sourcePath . "<br>";
	getEachFiles($file, $sourcePath);
	$data["files"] = $file;

	//echo json_encode($data, JSON_PRETTY_PRINT) . " ,data<br>";
	$response = curl("POST", $url, json_encode($data), $header);
	return $response["body"];
}

function getEachFiles(&$file, $base, $path = "")
{
    //if (substr($base, -1)=="/") $base = substr($base, 0, -1);
    //if (substr($path, -1)=="/") $path = substr($path, 0, -1);
    $handler=opendir(path_format($base . "/" . $path));
    while($filename=readdir($handler)) {
        if($filename != '.' && $filename != '..' && $filename != '.git'){
            $fromfile = path_format($base . "/" . $path . "/" . $filename);
		//echo $fromfile . "<br>";
            if(is_dir($fromfile)){// 如果读取的某个对象是文件夹，则递归
                $response = getEachFiles($file, $base, path_format($path . "/" . $filename));
                if (api_error(setConfigResponse($response))) return $response;
            }else{
		    $tmp['file'] = path_format($path . "/" . $filename);
		    $tmp['data'] = file_get_contents($fromfile);
                $file[] = $tmp;
            }
        }
    }
    closedir($handler);
    
    return json_encode( [ 'response' => 'success' ] );
}

function api_error($response)
{
    return isset($response['error']);
}

function api_error_msg($response)
{
    return $response['error']['code'] . '<br>
' . $response['error']['message'] . '<br>
<button onclick="location.href = location.href;">'.getconstStr('Refresh').'</button>';
}

function setConfigResponse($response)
{
    return json_decode($response, true);
}

function OnekeyUpate($auth = 'qkqpttgf', $project = 'OneManager-php', $branch = 'master')
{
    $tmppath = '/tmp';

    // 从github下载对应tar.gz，并解压
    $url = 'https://github.com/' . $auth . '/' . $project . '/tarball/' . urlencode($branch) . '/';
    $tarfile = $tmppath . '/github.tar.gz';
    $githubfile = file_get_contents($url);
    if (!$githubfile) return '{"error":{"message":"fail to download from github"}}';
    file_put_contents($tarfile, $githubfile);
        $phar = new PharData($tarfile); // need php5.3, 7, 8
        $phar->extractTo($tmppath, null, true);//路径 要解压的文件 是否覆盖
    unlink($tarfile);

    $outPath = '';
    $tmp = scandir($tmppath);
    $name = $auth . '-' . $project;
    mkdir($tmppath . "/" . $name, 0777);
    foreach ($tmp as $f) {
        if ( substr($f, 0, strlen($name)) == $name) {
            rename($tmppath . '/' . $f, $tmppath . "/" . $name . '/api');
            $outPath = $tmppath . "/" . $name;
            break;
        }
    }
	//echo $outPath . "<br>";
    //error_log1($outPath);
    if ($outPath=='') return '{"error":{"message":"no outpath"}}';

    return VercelUpdate(getConfig('HerokuappId'), getConfig('APIKey'), $outPath);
}

function moveFolder($from, $to, $slash)
{
    if (substr($from, -1)==$slash) $from = substr($from, 0, -1);
    if (substr($to, -1)==$slash) $to = substr($to, 0, -1);
    if (!file_exists($to)) mkdir($to, 0777);
    $handler=opendir($from);
    while($filename=readdir($handler)) {
        if($filename != '.' && $filename != '..'){
            $fromfile = $from . $slash . $filename;
            $tofile = $to . $slash . $filename;
            if(is_dir($fromfile)){// 如果读取的某个对象是文件夹，则递归
                $response = moveFolder($fromfile, $tofile, $slash);
                if (api_error(setConfigResponse($response))) return $response;
            }else{
                //if (file_exists($tofile)) unlink($tofile);
                $response = rename($fromfile, $tofile);
                if (!$response) {
                    $tmp['code'] = "Move Failed";
                    $tmp['message'] = "Can not move " . $fromfile . " to " . $tofile;
                    return json_encode($tmp);
                }
                if (file_exists($fromfile)) unlink($fromfile);
            }
        }
    }
    closedir($handler);
    rmdir($from);
    return json_encode( [ 'response' => 'success' ] );
}