<?php
require_once(__DIR__.'/ArrayExtended.php');

class TrainingFixedCodeClient extends ObjectModel 
{
    public $id_training_fixedcodeclient;
	public $codeclient_from_results;
    public $codeclient_fixed;

    const CODE_CLIENT_WRONG = 1;
    const CODE_CLIENT_RIGHT = 2;
    const CODE_EMPTY = "__code_vide__";

    private static $header = array(
                    'CC faux'=>self::CODE_CLIENT_WRONG,
                    'CC bon'=>self::CODE_CLIENT_RIGHT
                );

	public static $definition = array(
		'table' => 'training_fixedcodeclient',
		'primary' => 'id_training_fixedcodeclient',
		'multilang' => false,
		'fields' => array(
            'id_training_fixedcodeclient'  => array('type' => self::TYPE_INT, 'validate' => 'isInt'),
			'codeclient_from_results' 		=> array('type' => self::TYPE_STRING, 'lang' => false, 'validate' => 'isString'),
            'codeclient_fixed'              => array('type' => self::TYPE_STRING, 'lang' => false, 'validate' => 'isString'),
		),
	);

    static function exportIntoCsvFile($file_path)
    {
        $csv_output = new CSVWriter($file_path);

        $csv_output->setHeader(array_keys(self::$header));

        $sql = 'SELECT `codeclient_from_results`, `codeclient_fixed` 
                FROM `'._DB_PREFIX_.'training_fixedcodeclient`
                ';
        foreach (Db::getInstance()->executeS($sql) as $row) {
            $csv_output->addLine(array($row['codeclient_from_results'], $row['codeclient_fixed']));
        }

        $csv_output->save();
    }

    static function importFromCsvFile($file_path)
    {
        $imported_codes = array();

        $reader = new CSVReader($file_path);
        $ok = $reader
                ->setExpectedHeader(self::$header)
                ->setOnEachLine(function(ArrayExtended $cols) use (&$imported_codes) {
                    $wrong_code = strtolower(trim((string)$cols[self::CODE_CLIENT_WRONG]));
                    $right_code = strtolower(trim((string)$cols[self::CODE_CLIENT_RIGHT]));

                    if (empty($wrong_code)) {
                        $wrong_code = self::CODE_EMPTY;
                    }
                    $imported_codes[$wrong_code] = $right_code;
                    return true;
                })
                ->readLines();

        if ($ok && count($imported_codes)>0) {

            $existing_codes = array();

            // load all already saved codes
            foreach (Db::getInstance()->executeS('
                SELECT `codeclient_from_results`, `codeclient_fixed`
                FROM `'._DB_PREFIX_.'training_fixedcodeclient`
            ') as $row) {
                $existing_codes[trim($row['codeclient_from_results'])] = trim($row['codeclient_fixed']);
            }

            // insert new wrong codes with their correction
            $values = array();
            foreach(array_diff_key($imported_codes, $existing_codes) as $wrong_code => $right_code) {
                $values[] = '(\''.pSql($wrong_code).'\', \''.pSql($right_code).'\')';
            } 

            if (count($values)>0) {
                $ok = Db::getInstance()->execute('
                    INSERT INTO `'._DB_PREFIX_.'training_fixedcodeclient` 
                    (`codeclient_from_results`, `codeclient_fixed`) 
                    VALUES
                    '.implode(',', $values).'
                ');
            }

            // replace existing uncorrected code with their correction
            foreach(array_intersect_key($imported_codes, $existing_codes) as $wrong_code => $right_code) {
                $ok = $ok && Db::getInstance()->execute('
                    UPDATE `'._DB_PREFIX_.'training_fixedcodeclient` 
                    SET `codeclient_fixed` = \''.pSql($right_code).'\'
                    WHERE `codeclient_from_results` = \''.pSql($wrong_code).'\'
                ');
            }
        }
        unset($imported_codes);

        return $ok;
    }

    static function loadOnlyFixed()
    {
        $result = new ArrayExtended();

        $sql = 'SELECT `codeclient_from_results`, `codeclient_fixed`
                FROM `'._DB_PREFIX_.'training_fixedcodeclient`
                WHERE TRIM(`codeclient_fixed`) <> \'\'';
        foreach (Db::getInstance()->executeS($sql) as $row) {
            $result[trim($row['codeclient_from_results'])] = trim($row['codeclient_fixed']);
        }

        return $result;
    }

    static function addIfNotExist(array $pharmacies_not_found)
    {
        // get already saved codes to correct
        $existing_codes = array();

        $sql = 'SELECT LOWER(`codeclient_from_results`) as `codeclient_from_results`
                FROM `'._DB_PREFIX_.'training_fixedcodeclient`';
        foreach (Db::getInstance()->executeS($sql) as $row) {
            $existing_codes[] = trim($row['codeclient_from_results']);
        }

        // remove duplicate keys
        $unique_pharmacies_not_found = array();
        foreach ($pharmacies_not_found as $key => $val) {
            $key = strtolower(trim($key));
            if (!isset($unique_pharmacies_not_found[$key])) {
                $unique_pharmacies_not_found[$key] = $val;
            }
        }

        $unique_pharmacies_not_found = array_keys($unique_pharmacies_not_found);

        // filter new codes not already present in DB (and create the SQL value string)
        $values = array();
        foreach(array_diff($unique_pharmacies_not_found, $existing_codes) as $code_client) {
            $values[] = '\''.pSql(trim((string)$code_client)).'\', \'\'';
        }

        // if any new codes, add them
        if (count($values)>0) {
            Db::getInstance()->execute(
                'INSERT INTO `'._DB_PREFIX_.'training_fixedcodeclient` 
                (codeclient_from_results, codeclient_fixed) 
                VALUES
                ('.implode('),(', $values).')'
                );
        }
    }
}