<?php
require_once "page_renderer.php";

$options = getopt("", ["council-file:", "candidates-file:", "media-file:", "candidates-elected-file:"]);

if (isset($options['council-file'])) {
    $councilFileContents = file_get_contents($options['council-file']);
} else {
    error_log("Error: Missing required option '--council-file'.");
    exit(1);
}

$councilData = json_decode($councilFileContents, true);

// Check for decoding errors
if (json_last_error() !== JSON_ERROR_NONE) {
    error_log('Error decoding council file: ' . json_last_error_msg());
    exit(1);
}

if (isset($options['candidates-file'])) {
    $candidatesFile = $options['candidates-file'];
} else {
    error_log("Error: Missing required option '--candidates-file'.");
    exit(1);
}

// Convert CSV into an array of dictionaries. Use the header as the key in the dictionary.
$candidateData = [];
if (file_exists($candidatesFile)) {
    if (($handle = fopen($candidatesFile, "r")) !== FALSE) {
        $headers = fgetcsv($handle);
        while (($data = fgetcsv($handle)) !== FALSE) {
            $candidate = [];
            foreach ($headers as $key => $value) {
                $candidate[$value] = $data[$key];
            }
            $candidateData[] = $candidate;
        }
        fclose($handle);
    } else {
        error_log('Error opening candidates file');
        exit(1);
    }
} else {
    error_log("The specified candidates.csv file does not exist, will not show any candidates for " . $councilData["shortName"] . ".");
}

if (isset($options['media-file'])) {
    $mediaFileContents = file_get_contents($options['media-file']);
} else {
    error_log("Error: Missing required option '--media-file'.");
    exit(1);
}

$mediaData = json_decode($mediaFileContents, true);

// Merge elected data (if present) into candidate objects
if (isset($options['candidates-elected-file'])) {
    $candidatesElectedFile = $options['candidates-elected-file'];

    if (file_exists($candidatesElectedFile)) {
        if (($handle = fopen($candidatesElectedFile, "r")) !== FALSE) {
            $headers = fgetcsv($handle);
            while (($data = fgetcsv($handle)) !== FALSE) {
                $electedCandidate = [];
                foreach ($headers as $key => $value) {
                    $electedCandidate[$value] = $data[$key];
                }
                foreach ($candidateData as &$candidate) {
                    if ($candidate["Candidate Name"] == $electedCandidate["Candidate Name"]) {
                        if ($electedCandidate["Elected"] == "y") {
                            $candidate["Elected"] = True;
                        }
                        break;
                    }
                }
            }
            fclose($handle);
        } else {
            error_log('Error opening candidates elected file');
            exit(1);
        }
    } else {
        error_log("The specified candidates elected file does not exist, will not show any elected candidates for " . $councilData["shortName"] . ".");
    }
}

$renderer = new SPLPageRenderer();
$pageContent = $renderer->renderCouncilPage($councilData, $candidateData, $mediaData);
if ($pageContent === null) {
    exit(2);
}

echo $pageContent;
exit(0);