<?php

// ====================
// Import Voter Records
// ====================

class Import_VoterRecords {

    // Variables

    private $log = "";
    private $settings = "";
    private $connection = "";

    // ==================
    // Class Constructor.
    // ==================

    public function __construct() {

        // Open the Log

        $this->log = fopen("../scripts/import_voter_records.log", "w+");

        if ($this->log === false) {

            error_log("VoterVue : Unable to open log file");
            exit();
        }

        $this->log(str_repeat("*", 50));

        // Get Settings

        $this->settings = new SimpleXMLElement((file_exists("../xml/settings.xml") ? file_get_contents("../xml/settings.xml") : "<settings/>"));

        if ($this->settings->count() === 0) {

            error_log("VoterVue : Unable to initialize settings");
            exit();
        }

        // Open Database Connections

        $this->connection = $this->connect();
    }

    // ================================================
    // Return a New DEC-DR Database Database Connection
    // ================================================

    public function connect() {

        try {

            $host = (string) $this->settings->DatabaseServer;
            $database = (string) $this->settings->DatabaseName;
            $user = (string) $this->settings->DatabaseUser;
            $password = (string) $this->settings->DatabasePassword;

            $connection = new PDO("mysql:host={$host};dbname={$database};charset=utf8", $user, $password);

            $connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
            $connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
        } catch (PDOException | Exception $e) {

            trigger_error($e->getMessage());
        }

        return $connection;
    }

    // =============================
    // Log a message to the Log File
    // =============================

    private function log($message = "") {

        fwrite($this->log, date("Y-m-d H:i A") . " : " . "{$message} \n");
    }

    // ===================
    // Process Parcel Data
    // ===================

    public function process() {

        $this->log("Starting Voter Record Import Process");

        $this->importVoterRecords();

        $this->log("Voter Record Import Process Complete");
    }

// ====================
// Import Voter Records
// ====================

    private function importVoterRecords() {

        $this->log("Processing Voter Records");

        $voter_record_file_path = '/data/ositssrc/projects/votervue_raw_data/20251210_Voter_Detail_20251210';
        $voter_history_files = glob("{$voter_record_file_path}/*.txt");
        sort($voter_history_files);

        $SQL = "INSERT INTO voters 
                          ( voter_county_code,
                            voter_id,
                            voter_name_last,
                            voter_name_suffix,
                            voter_name_first,
                            voter_name_middle,
                            voter_public_records_exempt,
                            voter_residence_address_1,
                            voter_residence_address_2,
                            voter_residence_city,
                            voter_residence_state,
                            voter_residence_zipcode,
                            voter_mailing_address_1,
                            voter_mailing_address_2,
                            voter_mailing_address_3,
                            voter_mailing_city,
                            voter_mailing_state,
                            voter_mailing_zipcode,
                            voter_mailing_country,
                            voter_gender,
                            voter_race,
                            voter_birth_date,
                            voter_registration_date,
                            voter_party_affiliation,
                            voter_precinct,
                            voter_precinct_group,
                            voter_precinct_split,
                            voter_precinct_suffix,
                            voter_voter_status,
                            voter_congressional_district,
                            voter_house_district,
                            voter_senate_district,
                            voter_county_commission_district,
                            voter_school_board_district,
                            voter_daytime_area_code,
                            voter_daytime_phone_number,
                            voter_daytime_phone_extension,
                            voter_email_address )
                  VALUES 
                          ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 
                            ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 
                            ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 
                            ?, ?, ?, ?, ? )";

        $statement = $this->connection->prepare($SQL);

        $counter = 0;

        foreach ($voter_history_files as $file) {

            $this->log("Importing file: {$file}");

            $voterhistory = fopen($file, 'r');

            if ($voterhistory === false) {
                $this->log("Unable to open {$file}");
                echo "❌ Unable to open {$file}\n";
                continue;
            }

            $lineNum = 0;

            while (($line = fgets($voterhistory)) !== false) {
                $lineNum++;

                $line = rtrim($line, "\r\n");
                if ($line === '') {
                    continue;
                }

                $cols = explode("\t", $line);

                if (count($cols) < 38) {
                    $this->log("Skipped malformed line {$lineNum} in {$file} (cols=" . count($cols) . ")");
                    continue;
                }

                [$county_code, $voter_id, $name_last, $name_suffix, $name_first, $name_middle, $public_exempt, $res_addr1, $res_addr2, $res_city, $res_state, $res_zip,
                        $mail_addr1, $mail_addr2, $mail_addr3, $mail_city, $mail_state, $mail_zip, $mail_country, $gender, $race, $birth_date, $reg_date, $party, $precinct,
                        $precinct_group, $precinct_split, $precinct_suffix, $status, $cd, $hd, $sd, $ccd, $sbd, $area, $phone, $ext, $email] = $cols;

                try {

                    $statement->execute([
                        $this->normalize($county_code),
                        $this->normalize($voter_id),
                        $this->normalize($name_last),
                        $this->normalize($name_suffix),
                        $this->normalize($name_first),
                        $this->normalize($name_middle),
                        $this->normalize($public_exempt),
                        $this->normalize($res_addr1),
                        $this->normalize($res_addr2),
                        $this->normalize($res_city),
                        $this->normalize($res_state),
                        $this->normalize($res_zip),
                        $this->normalize($mail_addr1),
                        $this->normalize($mail_addr2),
                        $this->normalize($mail_addr3),
                        $this->normalize($mail_city),
                        $this->normalize($mail_state),
                        $this->normalize($mail_zip),
                        $this->normalize($mail_country),
                        $this->normalize($gender),
                        $this->normalize($race),
                        $this->parseDate($birth_date),
                        $this->parseDate($reg_date),
                        $this->normalize($party),
                        $this->normalize($precinct),
                        $this->normalize($precinct_group),
                        $this->normalize($precinct_split),
                        $this->normalize($precinct_suffix),
                        $this->normalize($status),
                        $this->normalize($cd),
                        $this->normalize($hd),
                        $this->normalize($sd),
                        $this->normalize($ccd),
                        $this->normalize($sbd),
                        $this->normalize($area),
                        $this->normalize($phone),
                        $this->normalize($ext),
                        $this->normalize($email)
                    ]);

                    $counter++;

                    if (($counter % 10) === 0) {
                        $this->log("Processed {$counter} records...");
                    }
                } catch (Throwable $e) {
                    $this->log("Insert failed {$file}:{$lineNum} - " . $e->getMessage());
                    echo "❌ Insert failed {$file}:{$lineNum} → {$e->getMessage()}\n";
                }
            }

            fclose($voterhistory);
        }

        $this->log("Completed voter import. Total records processed: {$counter}");
    }

    // =================================
    // Return a $this->normalized String
    // =================================

    private function normalize(?string $value): ?string {

        $value = trim((string) $value);

        return ($value === '' || $value === '*') ? null : $value;
    }

    // ====================
    // Return a Parsed Date
    // ====================

    private function parseDate(?string $value): ?string {

        $value = $this->normalize($value);
        if ($value === null) {
            return null;
        }

        $dt = DateTime::createFromFormat('m/d/Y', $value);

        return $dt ? $dt->format('Y-m-d') : null;
    }
}

?>