<?php

namespace application\controllers;

class QuotaController {
    public static function getQuota($data): void {
        $username =  $data['username'];

        if (empty($username)) {
            http_response_code(400);
            echo json_encode(['error' => 'Missing required parameter: username']);
            return;
        }

        // get quota
        if ($GLOBALS['debug'] == true) {error_log("Get Quota for User: " . $username); }
        exec("sudo quota -p --hide-device -w $username | tail -n +3 | column -t -n quota -N blocks,soft,hard,grace,inodes,isoft,ihard,igrace -H 5  2>&1", $userOutput, $userReturnCode);
        if ($userReturnCode !== 0) {
            error_log("getquota: ERROR: Getting Quota for $username failed, details => " . implode("\n", $userOutput));
            http_response_code(500);
            echo json_encode(['error' => 'Failed to get user quota', 'details' => implode("\n", $userOutput)]);
            return;
        }
        echo json_decode($userOutput[0]);
    }
    public static function getStats(): void {
        // get all quotas
        if ($GLOBALS['debug'] == true) {error_log("Getting Quota Stats"); }
        exec("sudo xfs_quota -x -c 'report -u' /home | tail -n +7 | column -t -n quota -N user,used,soft,hard,limit,grace -H 5 -J 2>&1", $userOutput, $userReturnCode);
        if ($userReturnCode !== 0) {
            error_log("getstats: ERROR: Getting Quota Stats failed, details => " . implode("\n", $userOutput));
            http_response_code(500);
            echo json_encode(['error' => 'Failed to get quota stats', 'details' => implode("\n", $userOutput)]);
            return;
        }
        echo $userOutput;
    }
    public static function setQuota($data): void {
        $username = $data['username'];
        $quota = $data['quota'];
        if (empty($username)) {
            http_response_code(400);
            echo json_encode(['error' => 'Missing required parameter: username']);
            return;
        }
        if (empty($quota)) {
            $quota = 0;
        }
        // set quota
        if ($GLOBALS['debug'] == true) {error_log("Set Limit of $quota for $username"); }
        exec("sudo xfs_quota -x -c 'limit -u bsoft=$quota bhard=$quota $username' /home 2>&1", $userOutput, $userReturnCode);
        if ($userReturnCode !== 0) {
            error_log("getstats: ERROR: Set Quota of $quota for $username failed, details => " . implode("\n", $userOutput));
            http_response_code(500);
            echo json_encode(['error' => 'Failed to set quota', 'details' => implode("\n", $userOutput)]);
            return;
        }
        echo json_encode(['success' => 'Set Quota successfully']);
    }
}