#!/usr/bin/php
<?php

include "utils.php";

global $files;

foreach ($files as $file) {

    echo $file . "\n";

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

    $fn = fopen($file, "r");

    $saveLine = true;

    $options = [];
    $instanceMappings = [];
    $excludeOptions = [];

    $saveOption = false;
    $saveInstanceMappings = false;
    $saveExcludeOptions = false;

    $lines = [];

    while (!feof($fn)) {

        $line = fgets($fn);

        /**
         * if exiting an options definition block - stop saving that definition
         */
        if (preg_match('/\bOPTIONS_END\b/', $line)) {
            $saveOption = false;
        }
        if (preg_match('/\bINSTANCE_OPTIONS_MAPPING_END\b/', $line)) {
            $saveInstanceMappings = false;
        }
        if (preg_match('/\bEXCLUDED_FROM_INSTANCE_OPTIONS_END\b/', $line)) {
            $saveExcludeOptions = false;
        }

        /**
         * if exiting an options implementation block - save the line for later
         */
        if (preg_match('/\bOPTIONS_INIT_END\b/', $line)) {
            $saveLine = true;
        }
        if (preg_match('/\bCREATE_INSTANCE_OPTIONS_END\b/', $line)) {
            $saveLine = true;
        }
        if (preg_match('/\bUPDATE_INSTANCE_OPTIONS_END\b/', $line)) {
            $saveLine = true;
        }
        if (preg_match('/\bUPDATE_FROM_INSTANCE_OPTIONS_END\b/', $line)) {
            $saveLine = true;
        }

        /**
         * Now save the line
         */
        if ($saveLine) {
            array_push($lines, $line);
        }

        /**
         * if entering an options implementation block - do not save the line for later
         */
        if (preg_match('/\bOPTIONS_INIT_START\b/', $line)) {
            $saveLine = false;
        }
        if (preg_match('/\bCREATE_INSTANCE_OPTIONS_START\b/', $line)) {
            $saveLine = false;
        }
        if (preg_match('/\bUPDATE_INSTANCE_OPTIONS_START\b/', $line)) {
            $saveLine = false;
        }
        if (preg_match('/\bUPDATE_FROM_INSTANCE_OPTIONS_START\b/', $line)) {
            $saveLine = false;
        }

        if ($saveOption) {

            $line = trim($line);

            $key_value = preg_split('/=/', $line);

            if ($key_value === false) {
                continue;
            }

            $options[$key_value[0]] = $key_value[1];
        }

        if ($saveInstanceMappings) {

            $line = trim($line);

            $key_value = preg_split('/=/', $line);

            if ($key_value === false) {
                continue;
            }

            $instanceMappings[$key_value[0]] = $key_value[1];
        }

        if ($saveExcludeOptions) {
            $line = trim($line);
            array_push($excludeOptions, $line);
            print_r($excludeOptions);
        }


        /**
         * If entering an options definition block - start saving that definition
         */
        if (preg_match('/\bOPTIONS_START\b/', $line)) {
            $saveOption = true;
        }
        if (preg_match('/\bINSTANCE_OPTIONS_MAPPING_START\b/', $line)) {
            $saveInstanceMappings = true;
        }
        if (preg_match('/\bEXCLUDED_FROM_INSTANCE_OPTIONS_START\b/', $line)) {
            $saveExcludeOptions = true;
        }
    }

    fclose($fn);

    file_put_contents($file, $lines);

    /**
     * Process the constructor options
     */
    $header = file_get_contents('src/templates/options_init_header.template');
    $template = file_get_contents('src/templates/options_init.template');

    $newOptions = $header;

    foreach ($options as $key => $value) {
        $updated = str_replace('KEY', $key, $template);
        $updated = str_replace('VALUE', $value, $updated);
        $newOptions .= $updated;
    }

    $contents = file_get_contents($file);

    $contents = preg_replace(
        '/\/\/\bOPTIONS_INIT_START\b.*?\/\/\bOPTIONS_INIT_END\b/s',
        "//OPTIONS_INIT_START\n" . $newOptions . "\t\t//OPTIONS_INIT_END",
        $contents
    );

    file_put_contents($file, $contents);

    /**
     * Process createInstance options
     */
    $template = file_get_contents('src/templates/create_instance_options.template');

    $newOptions = [];

    foreach ($options as $key => $value) {

        if (in_array($key, $excludeOptions)) {
            continue;
        }

        if (array_key_exists($key, $instanceMappings)) {
            $value = $instanceMappings[$key];
        } else {
            $value = $key;
        }
        $updated = str_replace('INSTANCE_KEY', $value, $template);
        $updated = str_replace('KEY', $key, $updated);
        array_push($newOptions, $updated);
    }

    if (sizeof($newOptions) > 0) {

        $contents = file_get_contents($file);

        $contents = preg_replace(
            '/\/\/\bCREATE_INSTANCE_OPTIONS_START\b.*?\/\/\bCREATE_INSTANCE_OPTIONS_END\b/s',
            "//CREATE_INSTANCE_OPTIONS_START\n" . implode(",\n", $newOptions) . "\n\t\t\t\t//CREATE_INSTANCE_OPTIONS_END",
            $contents
        );

        file_put_contents($file, $contents);
    }
    /**
     * Process updateInstance options
     */
    $template = file_get_contents('src/templates/update_instance_options.template');

    $newOptions = '';

    foreach ($options as $key => $value) {

        if (in_array($key, $excludeOptions)) {
            continue;
        }

        if (array_key_exists($key, $instanceMappings)) {
            $value = $instanceMappings[$key];
        } else {
            $value = $key;
        }
        $updated = str_replace('INSTANCE_KEY', $value, $template);
        $updated = str_replace('KEY', $key, $updated);
        $newOptions .= $updated;
    }

    $contents = file_get_contents($file);

    $contents = preg_replace(
        '/\/\/\bUPDATE_INSTANCE_OPTIONS_START\b.*?\/\/\bUPDATE_INSTANCE_OPTIONS_END\b/s',
        "//UPDATE_INSTANCE_OPTIONS_START\n" . $newOptions. "\t\t//UPDATE_INSTANCE_OPTIONS_END",
        $contents
    );

    file_put_contents($file, $contents);

    /**
     * Process updateFromInstance options
     */
    $template = file_get_contents('src/templates/update_from_instance_options.template');

    $newOptions = '';

    foreach ($options as $key => $value) {

        if (in_array($key, $excludeOptions)) {
            continue;
        }

        if (array_key_exists($key, $instanceMappings)) {
            $value = $instanceMappings[$key];
        } else {
            $value = $key;
        }
        $updated = str_replace('INSTANCE_KEY', $value, $template);
        $updated = str_replace('KEY', $key, $updated);
        $newOptions .= $updated;
    }

    $contents = file_get_contents($file);

    $contents = preg_replace(
        '/\/\/\bUPDATE_FROM_INSTANCE_OPTIONS_START\b.*?\/\/\bUPDATE_FROM_INSTANCE_OPTIONS_END\b/s',
        "//UPDATE_FROM_INSTANCE_OPTIONS_START\n" . $newOptions. "\t\t//UPDATE_FROM_INSTANCE_OPTIONS_END",
        $contents
    );

    file_put_contents($file, $contents);

}



exit(0);
?>