#!/usr/bin/php
<?php

if (isset($argc)) {
    for ($i = 0; $i < $argc; $i++) {
        echo "Argument #" . $i . " - " . $argv[$i] . "\n";
    }
}
else {
    echo "argc and argv disabled\n";
}

$save = [
    'options' => '/^\s*\bOPTIONS_START\b.*\bOPTIONS_END\b/sm',
    'instance_mappings' => '/^\s*\bINSTANCE_OPTIONS_MAPPING_START\b.*\bINSTANCE_OPTIONS_MAPPING_END\b/sm',
    'linked_objects' => '/^\s*\bLINKED_OBJECTS_START\b.*\bLINKED_OBJECTS_END\b/sm',
    'excluded_options' => '/^\s*\bEXCLUDED_FROM_INSTANCE_OPTIONS_START\b.*\bEXCLUDED_FROM_INSTANCE_OPTIONS_END\b/sm',
    'custom_options' => '/^\s*\/\/\bCUSTOM_OPTIONS_INIT_START\b.*\/\/\bCUSTOM_OPTIONS_INIT_END\b/sm',
    'custom_before_init' => '/^\s*\/\/\bCUSTOM_BEFORE_INIT_START\b.*\/\/\bCUSTOM_BEFORE_INIT_END\b/sm',
    'custom_create_instance' => '/^\s*\/\/\bCUSTOM_CREATE_INSTANCE_START\b.*\/\/\bCUSTOM_CREATE_INSTANCE_END\b/sm',
    'custom_update_instance' => '/^\s*\/\/\bCUSTOM_UPDATE_INSTANCE_START\b.*\/\/\bCUSTOM_UPDATE_INSTANCE_END\b/sm',
    'custom_update_from_instance' => '/^\s*\/\/\bCUSTOM_UPDATE_FROM_INSTANCE_START\b.*\/\/\bCUSTOM_UPDATE_FROM_INSTANCE_END\b/sm',
    'custom_dispose' => '/^\s*\/\/\bCUSTOM_DISPOSE_START\b.*\/\/\bCUSTOM_DISPOSE_END\b/sm',
    'custom_dispose_instance' => '/^\s*\/\/\bCUSTOM_DISPOSE_INSTANCE_START\b.*\/\/\bCUSTOM_DISPOSE_INSTANCE_END\b/sm',
    'custom_implementation' => '/^\s*\/\/\bCUSTOM_IMPLEMENTATION_START\b.*\/\/\bCUSTOM_IMPLEMENTATION_END\b/sm'
];

if ($argv[2] == 'all') {

    $files = scandir('src/r3', SCANDIR_SORT_DESCENDING);

    $newFiles = [];

    for ($i = 0; $i < sizeof($files); $i++) {
        if (preg_match('/\.js$/', $files[$i])) {
            array_push($newFiles, 'src/r3/' . $files[$i]);
        }
    }

    $files = $newFiles;

} else {
    $files = [$argv[2]];
}

function getContents($contents, $regex) {
    $matches = [];
    preg_match($regex, $contents, $matches);
    if (sizeof($matches) > 0) {
        return $matches[0];
    } else {
        return null;
    }
}

foreach ($files as $file) {

    if ($argv[1] == 'save') {

        echo "saving file " . $file . "\n";

        $contents = file_get_contents($file);

        $saved = [];

        foreach ($save as $key => $regex) {

            $value = getContents($contents, $regex);
            if ($value) {
                array_push($saved, "\n");
                array_push($saved, $value);
                array_push($saved, "\n");
            }

        }
        file_put_contents($file . '.saved', $saved);
        echo "saved file " . $file . ".saved\n";

    } else if ($argv[1] == 'restore') {

        echo "restoring file " . $file . "\n";

        $saved = file_get_contents($file . '.saved');
        $new = file_get_contents($file);

        foreach ($save as $key => $regex) {
            $value = getContents($saved, $regex);
            echo "restoring " . $key . " in " . $file;
            if ($value && preg_match($regex, $new)) {
                $new = preg_replace($regex, $value, $new);
            }
        }

        file_put_contents($file, $new);
    }

}

exit(0);

?>