<?php 
function permission_type_index($type) {
    $permissionTypeToIndex = [
        'full_control' => 1,
        'write' => 2,
        'read' => 3,
        'modify' => 4,
    ];
    return $permissionTypeToIndex[$type];
}
function levels_old() {
    // user no, full control, write, read, modify
    return [
        'Admin' =>                          [1,1,1,1,1],
        'Manager (Center Office)' =>    [2,0,1,1,1],
        'Manager (QC)' =>               [2,0,1,1,0],
        'Manager (PTO)' =>              [2,0,1,1,0],
        'Manager (Lead)' =>             [3,0,1,1,0],
        'Welder (Subcontractor)' =>     [4,0,1,1,0],
        'Painter (Subcontractor)' =>    [5,0,1,1,0],
        'Insulator (Subcontractor)' =>          [6,0,1,1,0],
        'Welder, Painter, Insulator (Subcontractor / Payrollless)' =>   [7,0,1,1,0],
        'Quality Staff' =>                                              [8,0,1,1,1],
        'Document Staff' =>                                             [9,0,1,1,1],
        'Field Staff' =>                                                [10,0,0,1,0],
    ];
} 

function levels() {
    // user no, full control, write, read, modify
    $userLevels = db("user_levels")->get();
    $levels = [];

    foreach($userLevels AS $userLevel) {
        $levels[$userLevel->title] = [
            $userLevel->level_index, 
            $userLevel->full_control, 
            $userLevel->write,
            $userLevel->read,
            $userLevel->modify,
        ];
    }

    return $levels;
} 

function getLevelIndex($level) {
    $levels = levels();
    $k = 1;
    $index = null;

    foreach($levels AS $thisLevel => $permissions) {
        if($thisLevel == $level) {
            $index = $permissions[0];
        }
        $k++;
    }
    return $index;
}
function levels2() {
    return [
        'Welder',
        'Engineer',
    ];
}

function level_keys() {
    return array_keys(levels());
}