<?php
/**
 * Created by PhpStorm.
 * User: lucas
 * Date: 20/02/18
 * Time: 20:31
 */

namespace database\repo;


use database\core\Repo_i;

class professor extends Repo_i {

	public function create(string $lastName, string $firstName, int $category, $hoursToDo = 0, $initials = "", $isAdmin = false , $casLogin = "" ) : int{
		$st = $this->pdo->prepare("INSERT INTO Professeur (casLogin, lastName, firstName, abreviation, admin,hoursToDo, Categorie_idCategorie)
											 VALUE (:casLogin, :lastName, :firstName, :abrev, :admin, :hoursToDo, :cat);
											 ");

		$st->execute([
			"casLogin" => $casLogin,
			"lastName" => $lastName,
			"firstName" => $firstName,
			"abrev" => $initials,
			"admin" => $isAdmin? 1 : 0,
			"hoursToDo" => $hoursToDo,
			"cat" => $category
		]);

		return $this->pdo->lastInsertId();
	}

	public function exists(string $lastName, string $firstName) : int{
		$st = $this->pdo->prepare("SELECT idProfesseur FROM Professeur WHERE firstName = :firstName AND lastName = :lastName");

		$st->execute([
			"firstName" => $firstName,
			"lastName" => $lastName
		]);

		return $st->fetch()["idProfesseur"]?: 0;
	}

	public function update(int $id, array $data) : bool{
		$updSt = "";

		foreach ($data as $key => $field){
			$updSt .= "$key = :$key,";
		}

		$updSt = rtrim($updSt,",");

		$st = $this->pdo->prepare("UPDATE Professeur SET $updSt WHERE idProfesseur = :id");

		return $st->execute(array_merge($data,[
			"id" => $id
		]));
	}

	public function isAdmin(int $id) : bool{
		$st = $this->pdo->prepare("SELECT admin FROM Professeur WHERE idProfesseur = :id");

		$st->execute([
			"id" => $id
		]);

		return $st->fetch()["admin"] == 1;
	}

	public function get(int $id) : array{
		$st = $this->pdo->prepare("SELECT * FROM Professeur WHERE idProfesseur = :id");

		$st->execute([
			"id" => $id
		]);

		return $st->fetch();
	}

	public function delete(int $id) : bool{
		$st = $this->pdo->prepare("DELETE FROM Professeur WHERE idProfesseur = :id");

		return $st->execute([
			"id" => $id
		]);
	}

	public function getVH(int $id) : array{
		$st = $this->pdo->prepare("SELECT VHCours, VHTd, VHTp, Cat.idCategorie idCat, Prof.hoursToDo du
											FROM Professeur Prof, Categorie Cat,
											  (SELECT IFNULL(SUM(Cours.volume),0) VHCours, Prof.idProfesseur idProf FROM Professeur Prof LEFT JOIN Cours ON Prof.idProfesseur = Cours.Professeur_idProfesseur GROUP BY Prof.idProfesseur) VHCours,
											  (SELECT IFNULL(SUM(TD.volume),0) VHTd , Prof.idProfesseur idProf FROM Professeur Prof LEFT JOIN TD ON TD.Professeur_idProfesseur = Prof.idProfesseur GROUP BY Prof.idProfesseur) VHTd,
											  (SELECT IFNULL(SUM(TP.volume),0) VHTp, Prof.idProfesseur idProf FROM Professeur Prof LEFT JOIN TP ON TP.Professeur_idProfesseur = Prof.idProfesseur GROUP BY Prof.idProfesseur) VHTp
											WHERE
											   Prof.idProfesseur = :idProf AND
											   Prof.Categorie_idCategorie = Cat.idCategorie AND
											   VHCours.idProf = Prof.idProfesseur AND
											   VHTp.idProf = Prof.idProfesseur AND
											   VHTd.idProf = Prof.idProfesseur;");
		$st->execute([
			"idProf" => $id
		]);

		return $st->fetch() ?: [];
	}

}