<?php

class PoliticalParties extends Base {

    // Variables.

    private $current_user_serial = 0;
    private $current_user_id = "";
    private $current_user_name = "";
    private $current_user_email = "";
    private $pagination_size = 20;
    private $pagination_page = 1;

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

    public function __construct() {

        set_error_handler(array($this, "displayError"));

        date_default_timezone_set(self::TIMEZONE);

        $this->current_user_serial = $_SESSION[self::USER_SERIAL] ?? 0;
        $this->current_user_id = $_SESSION[self::USER_ID] ?? "";
        $this->current_user_name = $_SESSION[self::USER_NAME] ?? "";
        $this->current_user_email = $_SESSION[self::USER_EMAIL] ?? "";

        $this->pagination_page = $_SESSION[self::PAGINATION_PAGE] ?? 1;
    }

    // =======================
    // Setup Political Parties
    // =======================

    public function setupPoliticalParties() {

        $politicalparties = $this->getPoliticalPartiesPage();
        $popovers = (new Popovers())->getPopovers();

        $XML = $this->mergeXML($politicalparties, "<XML/>");
        $XML = $this->mergeXML($popovers, $XML);

        $content = $this->applyXSL($XML, $this->getXSL("setupPoliticalParties"));

        $this->displayContent($content);
    }

    // ===================
    // Add Political Party
    // ===================

    public function addPoliticalParty() {

        $step = filter_input(INPUT_POST, "step") ?: "prompt";

        switch ($step) {

            case "prompt":

                $content = $this->applyXSL("", $this->getXSL("addPoliticalParty"));

                $this->displayContent($content);

                break;

            case "add":

                $politicalparty_code = filter_input(INPUT_POST, "politicalparty_code") ?: "";
                $politicalparty_name = filter_input(INPUT_POST, "politicalparty_name") ?: "";

                $SQL = "insert into politicalparties
          
                         (  politicalparty_code,
                            politicalparty_name,
                            politicalparty_active,
                            politicalparty_creator,
                            politicalparty_created )
                               
                  VALUES ( :politicalparty_code,
                           :politicalparty_name,
                           :politicalparty_active,
                           :politicalparty_creator,
                           :politicalparty_created )";

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

                $statement->bindValue(":politicalparty_code", strtoupper($politicalparty_code));
                $statement->bindValue(":politicalparty_name", $politicalparty_name);
                $statement->bindValue(":politicalparty_active", true, PDO::PARAM_BOOL);
                $statement->bindValue(":politicalparty_creator", $this->current_user_name);
                $statement->bindValue(":politicalparty_created", $this->getTimestamp());

                $statement->execute();

                break;

            default:

                $this->displayHome();
        }
    }

    // ======================
    // Edit a Political Party
    // ======================

    public function editPoliticalParty() {

        $step = filter_input(INPUT_POST, "step") ?: "prompt";

        switch ($step) {

            case "prompt":

                $politicalparty_serial = filter_input(INPUT_POST, "politicalparty_serial", FILTER_SANITIZE_NUMBER_INT) ?: 0;

                $politicalparty = $this->getPoliticalParty($politicalparty_serial);

                if ($politicalparty->count() == 0) {
                    $this->logError("Invalid Political Party ({$politicalparty_serial}). " . __METHOD__);
                }

                $content = $this->applyXSL($politicalparty, $this->getXSL("editPoliticalParty"));

                $this->displayContent($content);

                break;

            case "update":

                $politicalparty_serial = filter_input(INPUT_POST, "politicalparty_serial", FILTER_SANITIZE_NUMBER_INT) ?: 0;
                $politicalparty_code = filter_input(INPUT_POST, "politicalparty_code") ?: "";
                $politicalparty_name = filter_input(INPUT_POST, "politicalparty_name") ?: "";
                $politicalparty_active = filter_input(INPUT_POST, "politicalparty_active", FILTER_VALIDATE_BOOLEAN) ?: false;

                // Verify the PoliticalParties

                $politicalparty = $this->getPoliticalParty($politicalparty_serial);

                if ($politicalparty->count() == 0) {
                    $this->logError("Invalid PoliticalParties ({$politicalparty_serial}). " . __METHOD__);
                }

                $SQL = "update politicalparties 
                           set politicalparty_code        = :politicalparty_code,
                               politicalparty_name = :politicalparty_name,
                               politicalparty_active      = :politicalparty_active,
                               politicalparty_changer     = :politicalparty_changer,
                               politicalparty_changed     = :politicalparty_changed
                         where politicalparty_serial      = :politicalparty_serial";

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

                $statement->bindValue(":politicalparty_serial", $politicalparty_serial);
                $statement->bindValue(":politicalparty_code", strtoupper($politicalparty_code));
                $statement->bindValue(":politicalparty_name", $politicalparty_name);
                $statement->bindValue(":politicalparty_active", $politicalparty_active, PDO::PARAM_BOOL);
                $statement->bindValue(":politicalparty_changer", $this->current_user_name);
                $statement->bindValue(":politicalparty_changed", $this->getTimestamp());

                $statement->execute();

                break;

            default:

                $this->displayHome();
        }
    }

    // ======================
    // Delete Political Party
    // ======================

    public function deletePoliticalParty() {

        $politicalparty_serial = filter_input(INPUT_POST, "politicalparty_serial", FILTER_SANITIZE_NUMBER_INT) ?: 0;

        $politicalparty = $this->getPoliticalParty($politicalparty_serial);

        if ($politicalparty->count() == 0) {
            $this->logError("Invalid Political Party ({$politicalparty_serial}). " . __METHOD__);
        }

        $SQL = "delete from politicalparties where politicalparty_serial = {$politicalparty_serial}";

        $this->executeSQL($SQL);
    }

    // =======================================
    // Return an Active Political Party Object
    // =======================================

    public function getActivePoliticalParties() {

        $SQL = "select view_politicalparties.*
                  from view_politicalparties
                 where politicalparty_active is true";

        return $this->getTable("politicalparties", $SQL);
    }

    // ================================
    // Return an Political Party Object
    // ================================

    public function getPoliticalParty($politicalparty_serial = 0) {

        $SQL = "select view_politicalparties.*
                  from view_politicalparties
                 where politicalparty_serial = {$politicalparty_serial}";

        return $this->getTable("politicalparties", $SQL);
    }

    // ===============================
    // Return a Political Party Object
    // ===============================

    public function getPoliticalParties() {

        $SQL = "select view_politicalparties.* 
                  from view_politicalparties";

        return $this->getTable("politicalparties", $SQL);
    }

    // =====================================
    // Return a Political Partys Page Object
    // =====================================

    public function getPoliticalPartiesPage() {

        // Find Criteria

        $find_politicalparty = filter_input(INPUT_POST, "find_politicalparty") ?: "";
        $find_politicalparty = $this->sanitizeString($find_politicalparty);

        $find_words = implode("|", explode(" ", $find_politicalparty));

        // Record Count

        $connection = $this->connect();

        $SQL = "select count(*) as count
                  from view_politicalparties
                 where politicalparty_code        regexp :politicalparty_code
                    or politicalparty_name        regexp :politicalparty_name";

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

        $statement->bindValue(":politicalparty_code", $find_words);
        $statement->bindValue(":politicalparty_name", $find_words);

        $statement->execute();

        $recordset = $statement->fetch(PDO::FETCH_ASSOC);

        $count = (count($recordset) > 0) ? (integer) $recordset["count"] : (integer) 0;

        // Pagination

        $pagination = filter_input(INPUT_POST, "pagination") ?: "";

        switch ($pagination) {

            case "first" : $this->pagination_page = 1;
                break;
            case "previous" : $this->pagination_page = max(($this->pagination_page - 1), 1);
                break;
            case "next" : $this->pagination_page = ($this->pagination_page + 1);
                break;
            case "last" : $this->pagination_page = ($count / $this->pagination_size);
                break;
        }

        $offset = (($this->pagination_page * $this->pagination_size) - $this->pagination_size);
        $start = ($offset + 1);
        $end = min($count, (($start + $this->pagination_size) - 1));

        // Data

        $SQL = "select view_politicalparties.*
                  from view_politicalparties
                 where politicalparty_code        regexp :politicalparty_code
                    or politicalparty_name        regexp :politicalparty_name
              order by politicalparty_code
                 limit {$this->pagination_size}
                offset {$offset}";

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

        $statement->bindValue(":politicalparty_code", $find_words);
        $statement->bindValue(":politicalparty_name", $find_words);

        $statement->execute();

        $politicalparties = $this->getTableXML("politicalparties", $statement);

        // Insert Pagination Attributes

        $politicalparties->addAttribute("count", $count);
        $politicalparties->addAttribute("start", $start);
        $politicalparties->addAttribute("end", $end);
        $politicalparties->addAttribute("page", $this->pagination_page);

        $_SESSION[self::PAGINATION_PAGE] = $this->pagination_page;

        return $politicalparties;
    }
}

?>