<?php

$sensOrdreListe = " ASC ";
$typeOrdreListe = " nom ";

$whereClause = " 1=1 ";

if (isset($_POST['tri'])){
	$_SESSION['tri']['sensTri'] = $_POST['sensTri'];
	$_SESSION['tri']['typeTri'] = $_POST['typeTri'];
	
	$sensOrdreListe = $_POST['sensTri'];
	$typeOrdreListe = $_POST['typeTri'];
	
	$_SESSION['tri']['ingredient'] = $_POST['ingredient'];
	$_SESSION['tri']['ustensile'] = !isset($_POST['ustensile']) ? [] : $_POST['ustensile'];
	$_SESSION['tri']['genre'] = !isset($_POST['genre']) ? [] : $_POST['genre'];
	
	$whereClause = '';
	
	//clause des ingrédients
	$clauseIngredientsRequis = '';
	$clauseIngredientsInterdits = '';
	foreach($_SESSION['tri']['ingredient'] as $id => $demande){
		switch($demande){
			case 1:
			$clauseIngredientsRequis .= " AND ingredient = $id";
			break;
			
			case -1:
			$clauseIngredientsInterdits .= " OR ingredient = $id";
			break;
		
			default:
			break;
		}
	}
	$clauseIngredientsRequis = "AND r.id IN (SELECT recette FROM RecetteIngredient WHERE 1=1 $clauseIngredientsRequis)";
	$clauseIngredientsInterdits = "r.id NOT IN (SELECT recette FROM RecetteIngredient WHERE 0=1 $clauseIngredientsInterdits)";
	$whereClause .= $clauseIngredientsInterdits . $clauseIngredientsRequis;
	
	//clause des utensiles
	$clauseUstensilesAutorises = '';
	foreach($_SESSION['tri']['ustensile'] as $id => $demande){
		if($demande){
			$clauseUstensilesAutorises .= " OR ustensile = $id";
		}
	}
	$clauseUstensilesAutorises = " AND r.id NOT IN (SELECT recette FROM RecetteUstensile WHERE 0=1 $clauseUstensilesAutorises)";
	$whereClause .= $clauseUstensilesAutorises;

	//clause des genres
	$clauseGenre = ' AND (1=0 ';
	foreach($_SESSION['tri']['genre'] as $id => $demande){
		$clauseGenre .= " OR genre = $id";
	}
	$whereClause .= $clauseGenre . ')';
}else{
	unset($_SESSION['tri']);
}

$requeteListeRecettes = "
SELECT r.id idRecette, r.nom nom, r.tempsTotal duree, g.nom genre, g.id idGenre
FROM Recette r JOIN Genre g ON g.id = r.genre
WHERE $whereClause
ORDER BY $typeOrdreListe $sensOrdreListe;
";

//récupération des différentes recettes correspondant aux POST, si il est défini
$resultatListeRecettes = getAssocFromQueryString($requeteListeRecettes);
if ($resultatListeRecettes){
	$listeRecettes = [];
	foreach ($resultatListeRecettes as $key => $recette) {
		$idRecette = $recette['idRecette'];
		$listeRecettes[$idRecette] = [];
		foreach ($recette as $clef => $info){
			if ($clef != 'idRecette'){
				if($clef == 'duree'){$info = calculeTexteFromMinutes($info);}
				$listeRecettes[$idRecette][$clef] = $info;
			}
		}
	}
}

//recuperation des différentes tables
$listeIngredient = getAllIngredients();
$listeUstensile = getAllUstensiles();
$listePreparation = getAllPreparations();
$listeGenre = getAllGenres();

?>