<?php

declare(strict_types=1);

// Remove after sessions are secured
function username_search(object $pdo, string $username) {
    $query = "SELECT username FROM users WHERE username = :username;";

    // Prepare and check if user already exists
    $stmt = $pdo->prepare($query);
    $stmt->bindParam(":username",$username);
    $stmt->execute();
    $result = $stmt->fetch(PDO::FETCH_ASSOC);

    $stmt = null;
    $query = null;

    // True if something is found, false if not
    return $result;
}

function retrieve_user_id(object $pdo, string $username) {
    $query = "SELECT id FROM users WHERE username = :username;";

    // Prepare and check if user already exists
    $stmt = $pdo->prepare($query);
    $stmt->bindParam(":username",$username);
    $stmt->execute();
    $result = $stmt->fetch(PDO::FETCH_ASSOC);

    $stmt = null;
    $query = null;

    // True if something is found, false if not
    return $result["id"];
}

function write_message(object $pdo, string $username, int $users_id, string $content) {
    $query = "INSERT INTO comments (username, users_id, content) VALUES (:username, :users_id, :content);";

    $stmt = $pdo->prepare($query);
    $stmt->bindParam(':username',$username);
    $stmt->bindParam(':users_id',$users_id);
    $stmt->bindParam(':content',$content);
    $stmt->execute();

    $stmt = null;
    $query = null;
}