<?php 

require_once "conexion.php";

class ModeloCategorias{

    static public function MdlMostrarCategorias($tabla, $item, $valor){

        if($item != null){

            $stmt = Conexion:: conectar()->prepare("SELECT * FROM $tabla WHERE $item = :$item");

            $stmt -> bindParam(":".$item, $valor, PDO::PARAM_STR);
            
            $stmt -> execute();

            return $stmt -> fetch();

        }else {

            $stmt = Conexion:: conectar()->prepare("SELECT * FROM $tabla");
            
            $stmt -> execute();

            return $stmt -> fetchAll();
        }

        $stmt -> close();

        $stmt = null;
    }


    /** CREAR CATEGORIA */

    static public function mdlIngresarCategoria($tabla, $datos){

        $stmt = Conexion::conectar()->prepare("INSERT INTO $tabla(categoria) VALUES (:categoria)");

        $stmt -> bindParam(":categoria", $datos, PDO::PARAM_STR);

        if($stmt -> execute()){
            return "ok";
        }else{
            return "error";
        }
        
        $stmt -> close();

        $stmt = null;
    }

    /** EDITAR CATEGORIA */

    static public function mdlEditarCategoria($tabla, $datos){

        $stmt = Conexion::conectar()->prepare("UPDATE $tabla SET categoria = :categoria WHERE id = :id");

        $stmt -> bindParam(":categoria", $datos["categoria"], PDO::PARAM_STR);
        $stmt -> bindParam(":id", $datos["id"], PDO::PARAM_STR);

        if($stmt -> execute()){
            return "ok";
        }else{
            return "error";
        }
        
        $stmt -> close();

        $stmt = null;
    }

        /*=============================================
	BORRAR CATEGORIA
	=============================================*/

	static public function mdlBorrarCategoria($tabla, $datos){

		$stmt = Conexion::conectar()->prepare("DELETE FROM $tabla WHERE id = :id");

		$stmt -> bindParam(":id", $datos, PDO::PARAM_INT);

		if($stmt -> execute()){

			return "ok";
		
		}else{

			return "error";	

		}

		$stmt -> close();

		$stmt = null;


	}
}