<?php

//require_once("parse_generic_csv.php");

$options = getopt("", ["candidates-files:"]);

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

function trim_sluggify($input) {
    return strtolower(str_replace(' ', '-', trim($input)));
}

$candidates_files = explode(" ", $candidates_files);

/* Generate dictionary of candidates and LGAs */
$candidate_data = [];
foreach ($candidates_files as $file) {
    $config_file = dirname($file)."/config.json";
    $config_string = file_get_contents($config_file);

    if ($config_string !== FALSE) {
        $config = json_decode($config_string, true);
    } else {
        error_log("Error opening config.json.");
        exit(1);
    }

    if (($handle = fopen($file, "r")) !== FALSE) {
        $headers = fgetcsv($handle);
        while (($data = fgetcsv($handle)) !== FALSE) {
            $candidate = [];
            foreach ($headers as $key => $value) {
                $candidate[$value] = $data[$key];
            }
            $candidate['Council'] = $config['councilName'];
            $name_slug = trim_sluggify($candidate['Candidate Name']);
            $candidate_data[$name_slug] = $candidate;
        }
    }
}

print_r($candidate_data);

/* Get list of elected candidates */

//$lga_list = [];
/* Generate dictionary of LGAs and Wards */
//foreach ($config_files as $config_file) {
//    $config_string = file_get_contents($config_file);
//    if ($config_string !== FALSE) {
//        $config = json_decode($config_string, true);
//    } else {
//        error_log("Error opening config.json.");
//        exit(1);
//    }
//    $config['config-file'] = $config_file;
//    $lga_list[] = $config;
//}

/* Match user typed LGA/Ward to our database */
//match_lga($candidate_data, $lga_list);

$header = ["Ward", "Candidate Name", "Rating", "Pledge", "Picture"];

/* Generate candidates-generic.csv */
//foreach ($lga_list as $lga) {
//    $lga_candidates = array_filter($candidate_data, function ($candidate) use ($lga) {
//        return $candidate['match_lga'] === $lga['slug'];
//    });
//
//    if (count($lga_candidates) === 0) continue;
//
//    remove_duplicates($lga_candidates);
//
//    $dir = dirname($lga['config-file']);
//    $dir_files = scandir($dir);
//    $output_file = $dir."/candidates-generic.csv";
//    $override_file = $dir."/candidates-override.csv";
//
//    if (($handle = fopen($output_file, "w")) === FALSE) {
//        error_log('Error opening output file');
//        exit(1);
//    }
//
//    if (fputcsv($handle, $header) === FALSE) {
//        error_log('Error writing headers to output file');
//        exit(3);
//    }
//
//    $lines = [];
//    foreach ($lga_candidates as $candidate) {
//        /* Add extension to photo hash */
//        if (strlen($candidate['Photo'])) {
//            foreach ($dir_files as $file) {
//                if (preg_match("/\.json$/", $file)) continue;
//                if (strstr($file, $candidate['Photo'])) {
//                    $candidate['Photo'] = $file;
//                }
//            }
//        }
//
//        $lines[] = [
//            $candidate['match_ward'],
//            $candidate['Name'],
//            $candidate['Score'],
//            $candidate['Pledge'],
//            $candidate['Photo'],
//        ];
//    }
//
//    /* Apply overrides if they exist */
//    $overrides = [];
//    if (file_exists($override_file)) {
//        if (($ovr_handle = fopen($override_file, "r")) !== FALSE) {
//            $headers = fgetcsv($ovr_handle);
//            while (($data = fgetcsv($ovr_handle)) !== FALSE) {
//                $override = [];
//                foreach ($headers as $key => $value) {
//                    $override[$value] = $data[$key];
//                }
//                $overrides[] = $override;
//            }
//            fclose($ovr_handle);
//        } else {
//            error_log('Error opening overrides file');
//            exit(3);
//        }
//    }
//
//    foreach ($overrides as $override) {
//        foreach ($lines as $line_key => $line) {
//            $match_index = array_search($override['Match Field'], $header); 
//            $replace_index = array_search($override['Replace Field'], $header); 
//            if ($line[$match_index] === $override['Match Value']) {
//                if ($replace_index !== false)
//                    $lines[$line_key][$replace_index] = $override['Replace Value'];
//                else /* If 'Replace Field' is not matched - delete this entry */
//                    $lines[$line_key]['Delete'] = 'y';
//            }
//        }
//    }
//
//    foreach ($lines as $line) {
//        if (isset($line['Delete'])) continue;
//        if (fputcsv($handle, $line) === FALSE) {
//            error_log('Error writing candidate to output file');
//            exit(3);
//        }
//    }
//    fclose($handle);
//}

exit(0);