<?php

namespace App\Gateway;

use App\Connexion;
use App\Data\TacticInfo;
use PDO;

class TacticInfoGateway {
    private Connexion $con;

    /**
     * @param Connexion $con
     */
    public function __construct(Connexion $con) {
        $this->con = $con;
    }

    public function get(int $id): ?TacticInfo {
        $res = $this->con->fetch(
            "SELECT * FROM Tactic WHERE id = :id",
            [":id" => [$id, PDO::PARAM_INT]]
        );

        if (!isset($res[0])) {
            return null;
        }

        $row = $res[0];

        return new TacticInfo($id, $row["name"], strtotime($row["creation_date"]), $row["owner"]);
    }


    /**
     * Return the nb last tactics created
     *
     * @param integer $nb
     * @return array<array<string,mixed>>
     */
    public function getLast(int $nb) : ?array {
        $res = $this->con->fetch(
            "SELECT * FROM Tactic ORDER BY creation_date DESC LIMIT :nb ",
            [":nb" => [$nb, PDO::PARAM_INT]]
        );
        if (count($res) == 0) {
            return null;
        }
        return $res;
    }

    public function insert(string $name, int $owner): TacticInfo {
        $this->con->exec(
            "INSERT INTO Tactic(name, owner) VALUES(:name, :owner)",
            [
                ":name" => [$name, PDO::PARAM_STR],
                ":owner" => [$owner, PDO::PARAM_INT],
            ]
        );
        $row = $this->con->fetch(
            "SELECT id, creation_date, owner FROM Tactic WHERE :id = id",
            [':id' => [$this->con->lastInsertId(), PDO::PARAM_INT]]
        )[0];
        return new TacticInfo(intval($row["id"]), $name, strtotime($row["creation_date"]), $row["owner"]);
    }

    public function updateName(int $id, string $name): void {
        $this->con->exec(
            "UPDATE Tactic SET name = :name WHERE id = :id",
            [
                ":name" => [$name, PDO::PARAM_STR],
                ":id" => [$id, PDO::PARAM_INT],
            ]
        );
    }

}