<?php

declare(strict_types=1);

namespace Core\Agentic\Mcp\Tools\Agent\Plan;

use Core\Agentic\Models\AgentPlan;
use Core\Agentic\Mcp\Tools\Agent\AgentTool;

/**
 * Get detailed information about a specific plan.
 */
class PlanGet extends AgentTool
{
    protected string $category = 'plan';

    protected array $scopes = ['read'];

    public function name(): string
    {
        return 'plan_get';
    }

    public function description(): string
    {
        return 'Get detailed information about a specific plan';
    }

    public function inputSchema(): array
    {
        return [
            'type' => 'object',
            'properties' => [
                'slug' => [
                    'type' => 'string',
                    'description' => 'Plan slug identifier',
                ],
                'format' => [
                    'type' => 'string',
                    'description' => 'Output format: json or markdown',
                    'enum' => ['json', 'markdown'],
                ],
            ],
            'required' => ['slug'],
        ];
    }

    public function handle(array $args, array $context = []): array
    {
        try {
            $slug = $this->require($args, 'slug');
        } catch (\InvalidArgumentException $e) {
            return $this->error($e->getMessage());
        }

        $format = $this->optional($args, 'format', 'json');

        // Use circuit breaker for Agentic module database calls
        return $this->withCircuitBreaker('agentic', function () use ($slug, $format) {
            $plan = AgentPlan::with('agentPhases')
                ->where('slug', $slug)
                ->first();

            if (! $plan) {
                return $this->error("Plan not found: {$slug}");
            }

            if ($format === 'markdown') {
                return ['markdown' => $plan->toMarkdown()];
            }

            return [
                'plan' => [
                    'slug' => $plan->slug,
                    'title' => $plan->title,
                    'description' => $plan->description,
                    'status' => $plan->status,
                    'context' => $plan->context,
                    'progress' => $plan->getProgress(),
                    'phases' => $plan->agentPhases->map(fn ($phase) => [
                        'order' => $phase->order,
                        'name' => $phase->name,
                        'description' => $phase->description,
                        'status' => $phase->status,
                        'tasks' => $phase->tasks,
                        'checkpoints' => $phase->checkpoints,
                    ])->all(),
                    'created_at' => $plan->created_at->toIso8601String(),
                    'updated_at' => $plan->updated_at->toIso8601String(),
                ],
            ];
        }, fn () => $this->error('Agentic service temporarily unavailable', 'service_unavailable'));
    }
}