<?php
    require_once "require/base.php";

    $team_id = -1;
    $art_id = -1;
    $article = array();

    $database = new Database();

    if (isset($_GET["code"]) && isset($_GET["team"]) && isset($_GET["id"])) {
        $art_id = htmlspecialchars($_GET["id"]);
        $team_id = htmlspecialchars($_GET["team"]);

        // Recherche de l'énigme avec son code :
        $stmt = $database->pdo_article->prepare("SELECT * FROM puzzles WHERE (id == :id AND code == :code)");
        $stmt->bindValue(":id", $art_id);
        $stmt->bindValue(":code", htmlspecialchars($_GET["code"]));
        $stmt->execute();
        $article = $stmt->fetch();

        // Recherche du groupe :
        $stmt = $database->pdo_teams->prepare("SELECT * FROM teams WHERE id == :id");
        $stmt->bindValue(":id", $team_id);
        $stmt->execute();

        // Vérification de l'existence du groupe, et de la combinaison ID énigme + code :
        if (empty($article) || empty($stmt->fetchAll())) {
            echo 0;
        }

        else {
            // On enregistre la réussite dans la table :
            // Vérification que ce n'est pas déjà enregistré :
            $stmt = $database->pdo_teams->prepare("SELECT * FROM solved WHERE (puzzle_id == :puzzle_id AND team_id == :team_id)");
            $stmt->bindValue(":puzzle_id", $art_id);
            $stmt->bindValue(":team_id", $team_id);
            $stmt->execute();

            // Si ce n'est pas le cas, on enregistre :
            if (empty($stmt->fetch())) {
                $stmt = $database->pdo_teams->prepare("INSERT INTO solved VALUES (:puzzle_id, :team_id)");
                $stmt->bindValue(":puzzle_id", $art_id);
                $stmt->bindValue(":team_id", $team_id);
                $stmt->execute();
            }

            $data = [
                "answer" => $article["answer"],
                "location" => $article["location"]
            ];

            header("Content-Type: application/json; charset=utf-8");
            echo json_encode($data);
        }
    }

    else {
        header("Location: index.php");
        die();
    }
?>