<?php
namespace OCA\Gestion\Db;

use OCP\IDBConnection;
use \Datetime;
use OCA\Gestion\Constants\BddConstant;

class VehicleRepository {
    private $gestionTablePrefix;

    private $defaultTablePrefix;
    private IDbConnection $pdo;

    public function __construct(IDbConnection $db) {
        $this->gestionTablePrefix = BddConstant::DEFAULT_TABLE_PREFIX ."gestion_";
        $this->defaultTablePrefix = BddConstant::DEFAULT_TABLE_PREFIX;
        $this->pdo = $db;
    }

    private function execSQL($sql, $conditions){
        $stmt = $this->pdo->prepare($sql);
        $stmt->execute($conditions);
        $data = $stmt->fetchAll(\PDO::FETCH_ASSOC);
        $stmt->closeCursor();
        return json_encode($data);
    }

    private function execSQLNoData($sql, $conditions){
        $stmt = $this->pdo->prepare($sql);
        $stmt->execute($conditions);
        $stmt->closeCursor();
    }

    private function execSQLNoJsonReturn($sql, $conditions){
        $stmt = $this->pdo->prepare($sql);
        $stmt->execute($conditions);
        $data = $stmt->fetchAll(\PDO::FETCH_ASSOC);
        $stmt->closeCursor();
        return $data;
    }

    public function getVehicles(){
        $sql = "SELECT
        vehicle.id,
        vehicle.brand,
        vehicle.model,
        vehicle.immatriculation,
        vehicle.purchase_date,
        vehicle.fk_vehicle_purchase_type_key,
        vehicle.fk_thanato_id,
        vehicle_purchase_type.type_label as purchase_type_label,
        thanato.nom as thanato_name,
        thanato.prenom as thanato_last_name
        FROM ".$this->gestionTablePrefix."vehicle as vehicle
        LEFT JOIN ".$this->gestionTablePrefix."vehicle_purchase_type as vehicle_purchase_type
            ON vehicle.fk_vehicle_purchase_type_key = vehicle_purchase_type.type_key
        LEFT JOIN ".$this->gestionTablePrefix."thanato as thanato
            ON vehicle.fk_thanato_id = thanato.id
        ";
        return $this->execSQL($sql, []);
    }

    public function createDefaultVehicle(){
        $date = new DateTime();
        $date = $date->format("Y-m-d");
        $sql = "INSERT INTO `".$this->gestionTablePrefix."vehicle` ( 
            `purchase_date`
        ) 
        VALUES (?);";
        $this->execSQLNoData($sql, array(
                $date
            )
        );
    }

    public function getVehiclePurchaseTypes(){
        $sql = "SELECT * FROM ".$this->gestionTablePrefix."vehicle_purchase_type";
        return $this->execSQL($sql, []);
    }

    public function getVehicleCount(){
        $count = 0;
        $sql = "SELECT COUNT(vehicle.id) as vehicle_count 
        FROM ".$this->gestionTablePrefix."vehicle as vehicle;";

        $result = $this->execSQLNoJsonReturn($sql,[]);
        if(!empty($result)){
            $count = $result[0]["vehicle_count"];
        }
        return $count;
    }

    public function getAvailableVehicles(){
        $sql = "SELECT * FROM ".$this->gestionTablePrefix."vehicle as vehicle
        WHERE vechile.fk_thanato_id IS NULL
        ";

        return $this->execSQL($sql, []);
    }

}