<?php

declare(strict_types=1);

namespace App\Repositories;

final class AdminRepository extends BaseRepository
{
    public function activeCount(): int
    {
        return (int) $this->pdo()
            ->query('SELECT COUNT(*) FROM admins WHERE is_active = 1')
            ->fetchColumn();
    }

    /**
     * @return array<string, mixed>|null
     */
    public function findActiveByEmail(string $email): ?array
    {
        $statement = $this->pdo()->prepare(
            'SELECT id, name, email, password_hash, role
             FROM admins
             WHERE email = :email AND is_active = 1
             LIMIT 1'
        );
        $statement->execute(['email' => mb_strtolower(trim($email))]);
        $admin = $statement->fetch();

        return $admin === false ? null : $admin;
    }

    /**
     * @return array<string, mixed>|null
     */
    public function findActiveById(int $id): ?array
    {
        $statement = $this->pdo()->prepare(
            'SELECT id, name, email, role
             FROM admins
             WHERE id = :id AND is_active = 1
             LIMIT 1'
        );
        $statement->execute(['id' => $id]);
        $admin = $statement->fetch();

        return $admin === false ? null : $admin;
    }

    public function createOwner(string $name, string $email, string $password): int
    {
        $name = trim($name);
        $email = mb_strtolower(trim($email));

        if ($name === '' || $email === '' || $password === '') {
            throw new \InvalidArgumentException('Имя, email и пароль обязательны.');
        }

        if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
            throw new \InvalidArgumentException('Укажите корректный email.');
        }

        if (mb_strlen($password) < 8) {
            throw new \InvalidArgumentException('Пароль должен быть не короче 8 символов.');
        }

        $statement = $this->pdo()->prepare(
            'INSERT INTO admins (name, email, password_hash, role, is_active)
             VALUES (:name, :email, :password_hash, "owner", 1)'
        );
        $statement->execute([
            'name' => $name,
            'email' => $email,
            'password_hash' => password_hash($password, PASSWORD_DEFAULT),
        ]);

        return (int) $this->pdo()->lastInsertId();
    }

    public function touchLastLogin(int $id): void
    {
        $statement = $this->pdo()->prepare(
            'UPDATE admins SET last_login_at = NOW() WHERE id = :id'
        );
        $statement->execute(['id' => $id]);
    }
}