<?php

namespace MintyPHP\Repository\Tenant;

use MintyPHP\DB;
use MintyPHP\Repository\Support\RepoQuery;

class TenantRepository
{
    private static function unwrap(?array $row): ?array
    {
        if (!$row) {
            return null;
        }
        return $row['tenants'] ?? null;
    }

    private static function unwrapList($rows): array
    {
        if (!is_array($rows)) {
            return [];
        }
        $list = [];
        foreach ($rows as $row) {
            $tenant = $row['tenants'] ?? null;
            if (is_array($tenant)) {
                $list[] = $tenant;
            }
        }
        return $list;
    }

    public static function list(): array
    {
        $rows = DB::select(
            'select id, uuid, description, address, postal_code, city, country, region, vat_id, tax_number, phone, fax, email, support_email, support_phone, billing_email, website, privacy_url, imprint_url, primary_color, status, status_changed_at, status_changed_by, created_by, modified_by, created, modified from tenants order by id desc'
        );
        return self::unwrapList($rows);
    }

    public static function listIds(): array
    {
        $rows = DB::select('select id from tenants');
        if (!is_array($rows)) {
            return [];
        }
        $ids = [];
        foreach ($rows as $row) {
            $data = $row['tenants'] ?? $row;
            if (is_array($data) && isset($data['id'])) {
                $ids[] = (int) $data['id'];
            }
        }
        return array_values(array_unique($ids));
    }

    public static function listActiveIdsByIds(array $tenantIds): array
    {
        $tenantIds = array_values(array_unique(array_map('intval', $tenantIds)));
        if (!$tenantIds) {
            return [];
        }
        $placeholders = implode(',', array_fill(0, count($tenantIds), '?'));
        $params = array_map('strval', $tenantIds);
        $rows = call_user_func_array(
            ['MintyPHP\\DB', 'select'],
            array_merge(
                ["select id from tenants where status = 'active' and id in ($placeholders)"],
                $params
            )
        );
        if (!is_array($rows)) {
            return [];
        }
        $ids = [];
        foreach ($rows as $row) {
            $data = $row['tenants'] ?? $row;
            if (is_array($data) && isset($data['id'])) {
                $ids[] = (int) $data['id'];
            }
        }
        return array_values(array_unique($ids));
    }

    public static function listPaged(array $options): array
    {
        $search = trim((string) ($options['search'] ?? ''));
        $allowedOrder = ['id', 'uuid', 'description', 'created', 'modified'];
        [$limit, $offset] = RepoQuery::sanitizeLimitOffset($options);
        [$order, $dir] = RepoQuery::sanitizeOrder($options, $allowedOrder);

        $where = [];
        $params = [];
        RepoQuery::addLikeFilter($where, $params, ['description', 'uuid'], $search);
        if (!empty($options['tenantUserId'])) {
            $tenantUserId = (int) $options['tenantUserId'];
            if ($tenantUserId > 0) {
                $where[] = 'exists (select 1 from user_tenants ut where ut.user_id = ? and ut.tenant_id = tenants.id)';
                $params[] = (string) $tenantUserId;
            }
        }

        $whereSql = $where ? (' where ' . implode(' and ', $where)) : '';
        $count = DB::selectValue('select count(*) from tenants' . $whereSql, ...$params);
        $total = $count ? (int) $count : 0;

        $query = 'select id, uuid, description, address, postal_code, city, country, region, vat_id, tax_number, phone, fax, email, support_email, support_phone, billing_email, website, privacy_url, imprint_url, primary_color, status, status_changed_at, status_changed_by, created_by, modified_by, created, modified from tenants' .
            $whereSql .
            sprintf(' order by `%s` %s limit ? offset ?', $order, $dir);

        $queryParams = array_merge($params, [(string) $limit, (string) $offset]);
        $rows = call_user_func_array(['MintyPHP\\DB', 'select'], array_merge([$query], $queryParams));

        return [
            'total' => $total,
            'rows' => self::unwrapList($rows),
        ];
    }

    public static function find(int $id): ?array
    {
        $row = DB::selectOne(
            'select id, uuid, description, address, postal_code, city, country, region, vat_id, tax_number, phone, fax, email, support_email, support_phone, billing_email, website, privacy_url, imprint_url, primary_color, status, status_changed_at, status_changed_by, created_by, modified_by, created, modified from tenants where id = ? limit 1',
            (string) $id
        );
        return self::unwrap($row);
    }

    public static function findByUuid(string $uuid): ?array
    {
        $row = DB::selectOne(
            'select id, uuid, description, address, postal_code, city, country, region, vat_id, tax_number, phone, fax, email, support_email, support_phone, billing_email, website, privacy_url, imprint_url, primary_color, status, status_changed_at, status_changed_by, created_by, modified_by, created, modified from tenants where uuid = ? limit 1',
            $uuid
        );
        return self::unwrap($row);
    }

    private static function uuidV4(): string
    {
        $data = random_bytes(16);
        $data[6] = chr((ord($data[6]) & 0x0f) | 0x40);
        $data[8] = chr((ord($data[8]) & 0x3f) | 0x80);
        return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
    }

    public static function create(array $data)
    {
        return DB::insert(
            'insert into tenants (uuid, description, address, postal_code, city, country, region, vat_id, tax_number, phone, fax, email, support_email, support_phone, billing_email, website, privacy_url, imprint_url, primary_color, status, status_changed_at, status_changed_by, created_by, created) values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,NOW())',
            $data['uuid'] ?? self::uuidV4(),
            $data['description'],
            $data['address'] ?? null,
            $data['postal_code'] ?? null,
            $data['city'] ?? null,
            $data['country'] ?? null,
            $data['region'] ?? null,
            $data['vat_id'] ?? null,
            $data['tax_number'] ?? null,
            $data['phone'] ?? null,
            $data['fax'] ?? null,
            $data['email'] ?? null,
            $data['support_email'] ?? null,
            $data['support_phone'] ?? null,
            $data['billing_email'] ?? null,
            $data['website'] ?? null,
            $data['privacy_url'] ?? null,
            $data['imprint_url'] ?? null,
            $data['primary_color'] ?? null,
            $data['status'] ?? 'active',
            $data['status_changed_at'] ?? null,
            $data['status_changed_by'] ?? null,
            $data['created_by'] ?? null
        );
    }

    public static function update(int $id, array $data): bool
    {
        $fields = [
            'description' => $data['description'],
            'address' => $data['address'] ?? null,
            'postal_code' => $data['postal_code'] ?? null,
            'city' => $data['city'] ?? null,
            'country' => $data['country'] ?? null,
            'region' => $data['region'] ?? null,
            'vat_id' => $data['vat_id'] ?? null,
            'tax_number' => $data['tax_number'] ?? null,
            'phone' => $data['phone'] ?? null,
            'fax' => $data['fax'] ?? null,
            'email' => $data['email'] ?? null,
            'support_email' => $data['support_email'] ?? null,
            'support_phone' => $data['support_phone'] ?? null,
            'billing_email' => $data['billing_email'] ?? null,
            'website' => $data['website'] ?? null,
            'privacy_url' => $data['privacy_url'] ?? null,
            'imprint_url' => $data['imprint_url'] ?? null,
            'primary_color' => $data['primary_color'] ?? null,
            'status' => $data['status'] ?? 'active',
        ];
        if (array_key_exists('modified_by', $data)) {
            $fields['modified_by'] = $data['modified_by'];
        }
        if (array_key_exists('status_changed_at', $data)) {
            $fields['status_changed_at'] = $data['status_changed_at'];
        }
        if (array_key_exists('status_changed_by', $data)) {
            $fields['status_changed_by'] = $data['status_changed_by'];
        }

        $setParts = [];
        $params = [];
        foreach ($fields as $field => $value) {
            $setParts[] = sprintf('`%s` = ?', $field);
            $params[] = $value;
        }
        $params[] = (string) $id;

        $query = 'update tenants set ' . implode(', ', $setParts) . ' where id = ?';
        $result = DB::update($query, ...$params);
        return $result !== false;
    }

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