<?php

namespace IQBall\Core\Gateway;

use IQBall\Core\Connection;
use IQBall\Core\Data\TacticInfo;
use PDO;

class TacticInfoGateway {
    private Connection $con;

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

    /**
     * get tactic information from given identifier
     * @param int $id
     * @return TacticInfo|null
     */
    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"], $row['content']);
    }


    /**
     * 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;
    }

    /**
     * @param string $name
     * @param int $owner
     * @return int inserted tactic id
     */
    public function insert(string $name, int $owner): int {
        $this->con->exec(
            "INSERT INTO Tactic(name, owner) VALUES(:name, :owner)",
            [
                ":name" => [$name, PDO::PARAM_STR],
                ":owner" => [$owner, PDO::PARAM_INT],
            ]
        );
        return intval($this->con->lastInsertId());
    }

    /**
     * update name of given tactic identifier
     * @param int $id
     * @param string $name
     * @return bool
     */
    public function updateName(int $id, string $name): bool {
        $stmnt = $this->con->prepare("UPDATE Tactic SET name = :name WHERE id = :id");
        $stmnt->execute([
            ":name" => $name,
            ":id" => $id,
        ]);
        return $stmnt->rowCount() == 1;
    }

    /***
     * Updates a given tactics content
     * @param int $id
     * @param string $json
     * @return bool
     */
    public function updateContent(int $id, string $json): bool {
        $stmnt = $this->con->prepare("UPDATE Tactic SET content = :content WHERE id = :id");
        $stmnt->execute([
            ":content" => $json,
            ":id" => $id,
        ]);
        return $stmnt->rowCount() == 1;
    }

}