<?php

declare(strict_types=1);

use CondorcetPHP\Condorcet\Dev\CondorcetDocumentationGenerator\CondorcetDocAttributes\{PublicAPI};
use Symfony\Component\Yaml\Yaml;

require_once __DIR__.str_replace('/', \DIRECTORY_SEPARATOR, '/../vendor/../vendor/autoload.php');


$doc = Yaml::parseFile(__DIR__.'/../Documentation/doc.yaml');

// Header & Prefix
$header = $doc[0]['header'];
unset($doc[0]);

$undocumented_prefix = $doc[1]['undocumented_prefix'] . "\n";
unset($doc[1]);


//
$index  = [];

foreach ($doc as &$entry) {
    if (!\is_array($entry['class'])) {
        $entry['class'] = [$entry['class']];
    }

    foreach ($entry['class'] as $class) {
        $method = $entry;
        $method['class'] = $class;

        $index[$method['class']][$method['name']] = $method;
    }
}


$patternReplaceLastNewLine = '/(.*)\n$/';

foreach ($index as $ClassName => $ClassData) {
    $path_to_file = [
        __DIR__.'/../lib/'.str_replace('\\', '/', $ClassName).'.php',
        __DIR__.'/../lib/CondorcetVersion.php',
        __DIR__.'/../lib/Linkable.php',
    ];

    if ($ClassName === 'Election') {
        $path_to_file[] = __DIR__.'/../lib/ElectionProcess/CandidatesProcess.php';
        $path_to_file[] = __DIR__.'/../lib/ElectionProcess/VotesProcess.php';
        $path_to_file[] = __DIR__.'/../lib/ElectionProcess/ResultsProcess.php';
    }


    // var_dump($path_to_file);

    foreach ($path_to_file as $oneFile) {
        $file_contents = file_get_contents($oneFile);

        foreach ($ClassData as $MethodName => $MethodData) {
            var_dump($ClassName.'->'.$MethodName);

            $description = $MethodData['description'];
            $description = str_replace('$', '\\\$', $description);
            $description = preg_replace($patternReplaceLastNewLine, '$1', $description);
            $description = str_replace(["\n    ", "\n"], '\\n', $description);
            $description = str_replace('"', '\"', $description);

            $attributes =  '$3#[Description("'.$description.'")]$2';

            if (isset($MethodData['return'])) {
                $returnV = $MethodData['return'];
                $returnV = preg_replace($patternReplaceLastNewLine, '$1', $returnV);
                $returnV = str_replace(["\n    ", "\n"], '\\n', $returnV);
                $returnV = str_replace('"', '\"', $returnV);

                $attributes .= '$3#[FunctionReturn("'.$returnV.'")]$2';
            }


            if (isset($MethodData['examples'])) {
                $examples = $MethodData['examples'];
                $examples = preg_replace($patternReplaceLastNewLine, '$1', $examples);
                $examples = str_replace(["\n    ", "\n"], '\\n', $examples);
                $examples = str_replace('"', '\"', $examples);

                $arg = '';
                $i = 1;
                foreach ($examples as $oneExampleKey => $oneExample) {
                    if ($i++ > 1) {
                        $arg .= ', ';
                    }

                    $arg .= '"'.$oneExampleKey.'||'.$oneExample.'"';
                }

                $attributes .= '$3#[Examples('.$arg.')]$2';
            }

            if (isset($MethodData['related'])) {
                $related = $MethodData['related'];
                $related = str_replace('"', '\"', $related);

                $arg = '';
                $i = 1;
                foreach ($related as $oneRelated) {
                    if ($i++ > 1) {
                        $arg .= ', ';
                    }

                    $arg .= '"'.$oneRelated.'"';
                }

                $attributes .= '$3#[Related('.$arg.')]$2';
            }


            $pattern = '/(#\[PublicAPI\])(\n)(.*)(public.*function '.$MethodName.' *\()/';
            $replacement = '$1$2'.$attributes.'$3$4';

            $file_contents = preg_replace(
                $pattern,
                $replacement,
                $file_contents
            );
        }

        file_put_contents($oneFile, $file_contents);
    }
}