<?php

namespace MintyPHP\Repository;

use MintyPHP\DB;

class PermissionRepository
{
    public static function list(): array
    {
        $rows = DB::select('select id, `key`, description, created from permissions order by `key` asc');
        if (!is_array($rows)) {
            return [];
        }
        $list = [];
        foreach ($rows as $row) {
            $data = $row['permissions'] ?? $row;
            if (is_array($data)) {
                $list[] = $data;
            }
        }
        return $list;
    }

    public static function listPaged(array $options): array
    {
        $limit = (int) ($options['limit'] ?? 10);
        $offset = (int) ($options['offset'] ?? 0);
        $search = trim((string) ($options['search'] ?? ''));
        $order = (string) ($options['order'] ?? 'key');
        $dir = strtolower((string) ($options['dir'] ?? 'asc')) === 'desc' ? 'desc' : 'asc';

        $allowedOrder = ['key' => '`key`', 'description' => 'description', 'created' => 'created'];
        $orderBy = $allowedOrder[$order] ?? $allowedOrder['key'];

        $where = [];
        $params = [];
        if ($search !== '') {
            $where[] = '(permissions.`key` like ? or permissions.description like ?)';
            $params[] = '%' . $search . '%';
            $params[] = '%' . $search . '%';
        }
        $whereSql = $where ? ' where ' . implode(' and ', $where) : '';

        $total = DB::selectValue('select count(*) from permissions' . $whereSql, ...$params);
        $query = 'select id, `key`, description, created from permissions' . $whereSql .
            ' order by ' . $orderBy . ' ' . $dir . ' limit ? offset ?';
        $queryParams = array_merge($params, [(string) $limit, (string) $offset]);
        $rows = DB::select($query, ...$queryParams);
        $list = [];
        foreach ($rows as $row) {
            $data = $row['permissions'] ?? $row;
            if (is_array($data)) {
                $list[] = $data;
            }
        }
        return ['data' => $list, 'total' => (int) $total];
    }

    public static function find(int $id): ?array
    {
        $row = DB::selectOne('select id, `key`, description, created from permissions where id = ? limit 1', (string) $id);
        $data = $row['permissions'] ?? $row;
        return is_array($data) ? $data : null;
    }

    public static function findByKey(string $key): ?array
    {
        $row = DB::selectOne('select id, `key`, description, created from permissions where `key` = ? limit 1', $key);
        $data = $row['permissions'] ?? $row;
        return is_array($data) ? $data : null;
    }

    public static function create(array $data): ?int
    {
        $key = trim((string) ($data['key'] ?? ''));
        $desc = trim((string) ($data['description'] ?? ''));
        $result = DB::insert(
            'insert into permissions (`key`, description, created) values (?,?,NOW())',
            $key,
            $desc !== '' ? $desc : null
        );
        return $result ? (int) $result : null;
    }

    public static function update(int $id, array $data): bool
    {
        $key = trim((string) ($data['key'] ?? ''));
        $desc = trim((string) ($data['description'] ?? ''));
        $result = DB::update(
            'update permissions set `key` = ?, description = ? where id = ?',
            $key,
            $desc !== '' ? $desc : null,
            (string) $id
        );
        return $result !== false;
    }

    public static function delete(int $id): bool
    {
        $result = DB::delete('delete from permissions where id = ?', (string) $id);
        return (bool) $result;
    }
}