<?php

declare(strict_types=1);

namespace App\Support\Operations;

use Illuminate\Support\Arr;

final class OperationLifecyclePolicy
{
    /**
     * @return array<string, array{
     *     job_class?: class-string,
     *     queued_stale_after_seconds?: int,
     *     running_stale_after_seconds?: int,
     *     expected_max_runtime_seconds?: int,
     *     direct_failed_bridge?: bool,
     *     scheduled_reconciliation?: bool
     * }>
     */
    public function coveredTypes(): array
    {
        $coveredTypes = config('tenantpilot.operations.lifecycle.covered_types', []);

        return is_array($coveredTypes) ? $coveredTypes : [];
    }

    /**
     * @return array{
     *     job_class?: class-string,
     *     queued_stale_after_seconds:int,
     *     running_stale_after_seconds:int,
     *     expected_max_runtime_seconds:?int,
     *     direct_failed_bridge:bool,
     *     scheduled_reconciliation:bool
     * }|null
     */
    public function definition(string $operationType): ?array
    {
        $operationType = trim($operationType);

        if ($operationType === '') {
            return null;
        }

        $definition = $this->coveredTypes()[$operationType] ?? null;

        if (! is_array($definition)) {
            return null;
        }

        return [
            'job_class' => is_string($definition['job_class'] ?? null) ? $definition['job_class'] : null,
            'queued_stale_after_seconds' => max(1, (int) ($definition['queued_stale_after_seconds'] ?? 300)),
            'running_stale_after_seconds' => max(1, (int) ($definition['running_stale_after_seconds'] ?? 900)),
            'expected_max_runtime_seconds' => is_numeric($definition['expected_max_runtime_seconds'] ?? null)
                ? max(1, (int) $definition['expected_max_runtime_seconds'])
                : null,
            'direct_failed_bridge' => (bool) ($definition['direct_failed_bridge'] ?? false),
            'scheduled_reconciliation' => (bool) ($definition['scheduled_reconciliation'] ?? true),
        ];
    }

    public function supports(string $operationType): bool
    {
        return $this->definition($operationType) !== null;
    }

    /**
     * @return list<string>
     */
    public function coveredTypeNames(): array
    {
        return array_values(array_keys($this->coveredTypes()));
    }

    public function queuedStaleAfterSeconds(string $operationType): int
    {
        return (int) ($this->definition($operationType)['queued_stale_after_seconds'] ?? 300);
    }

    public function runningStaleAfterSeconds(string $operationType): int
    {
        return (int) ($this->definition($operationType)['running_stale_after_seconds'] ?? 900);
    }

    public function expectedMaxRuntimeSeconds(string $operationType): ?int
    {
        $expectedMaxRuntimeSeconds = $this->definition($operationType)['expected_max_runtime_seconds'] ?? null;

        return is_int($expectedMaxRuntimeSeconds) ? $expectedMaxRuntimeSeconds : null;
    }

    public function requiresDirectFailedBridge(string $operationType): bool
    {
        return (bool) ($this->definition($operationType)['direct_failed_bridge'] ?? false);
    }

    public function supportsScheduledReconciliation(string $operationType): bool
    {
        return (bool) ($this->definition($operationType)['scheduled_reconciliation'] ?? false);
    }

    public function reconciliationBatchLimit(): int
    {
        return max(1, (int) config('tenantpilot.operations.lifecycle.reconciliation.batch_limit', 100));
    }

    public function reconciliationScheduleMinutes(): int
    {
        return max(1, (int) config('tenantpilot.operations.lifecycle.reconciliation.schedule_minutes', 5));
    }

    public function retryAfterSafetyMarginSeconds(): int
    {
        return max(1, (int) config('queue.lifecycle_invariants.retry_after_safety_margin', 30));
    }

    public function queueConnection(string $operationType): ?string
    {
        $jobClass = $this->jobClass($operationType);

        if ($jobClass === null || ! class_exists($jobClass)) {
            return null;
        }

        $connection = Arr::get(get_class_vars($jobClass), 'connection');

        return is_string($connection) && trim($connection) !== '' ? trim($connection) : config('queue.default');
    }

    public function queueRetryAfterSeconds(?string $connection = null): ?int
    {
        $connection = is_string($connection) && trim($connection) !== '' ? trim($connection) : (string) config('queue.default', 'database');
        $retryAfter = config("queue.connections.{$connection}.retry_after");

        if (is_numeric($retryAfter)) {
            return max(1, (int) $retryAfter);
        }

        $databaseRetryAfter = config('queue.connections.database.retry_after');

        return is_numeric($databaseRetryAfter) ? max(1, (int) $databaseRetryAfter) : null;
    }

    public function jobClass(string $operationType): ?string
    {
        $jobClass = $this->definition($operationType)['job_class'] ?? null;

        return is_string($jobClass) && $jobClass !== '' ? $jobClass : null;
    }
}