Strumenti

use Illuminate\Support\Facades\Artisan;
use Illuminate\JsonSchema\JsonSchema;
use Revolution\Copilot\Contracts\CopilotSession;
use Revolution\Copilot\Facades\Copilot;
use Revolution\Copilot\Types\SessionConfig;
use Revolution\Copilot\Types\Tool;
use Revolution\Copilot\Types\ToolResultObject;

use function Laravel\Prompts\{info, note, spin, warning};

Artisan::command('copilot:tools', function () {
    $facts = [
        'PHP' => 'A popular general-purpose scripting language that is especially suited to web development.',
        'Laravel' => 'A web application framework with expressive, elegant syntax.',
    ];

    $parameters = JsonSchema::object(
        properties: [
            'topic' => JsonSchema::string()
                ->description('Topic to look up (e.g., "PHP", "Laravel")')
                ->required(),
        ],
    )->toArray();

    $config = new SessionConfig(
        tools: [
            Tool::define(
                name: 'lookup_fact',
                description: 'Returns a fun fact about a given topic.',
                parameters: $parameters,
                handler: function (array $params, array $invocation) use ($facts): array {
                    $topic = $params['topic'] ?? '';

                    $fact = $facts[$topic] ?? null;

                    if (! $fact) {
                        return new ToolResultObject(
                            textResultForLlm: "No fact stored for {$topic}.",
                            resultType: 'failure',
                            sessionLog: "lookup_fact: missing topic {$topic}",
                            toolTelemetry: [],
                        );
                    }

                    return new ToolResultObject(
                        textResultForLlm: $fact,
                        resultType: 'success',
                        sessionLog: "lookup_fact: served {$topic}",
                        toolTelemetry: [],
                    );
                },
                overridesBuiltInTool: false,
                skipPermission: false, // se true, esegue senza prompt di permesso
                defer: 'auto', // controlla se lo strumento debba essere caricato in modo lazy (via tool search) anziché sempre precaricato. Con `"auto"` è caricato in modo lazy e mostrato dalla ricerca strumenti. Con `"never"` è sempre precaricato. Opzionale. Default `"auto"`.
            ),
        ],
    );

    Copilot::start(function (CopilotSession $session) {
        info('Starting Copilot with tools: '.$session->id());

        $prompt = 'You can call the lookup_fact tool. Use lookup_fact to tell me something about Laravel.';

        warning($prompt);

        $response = spin(
            callback: fn () => $session->sendAndWait($prompt),
            message: 'Copilot thinking...',
        );

        note($response->content());
    }, config: $config);
});

Tool::define(
    name: 'read_only_lookup',
    description: 'Read-only data lookup.',
    parameters: $parameters,
    handler: fn ($params) => ['result' => 'data'],
    skipPermission: true,
),

Tool::define(
    name: 'lookup_fruit',
    description: 'Looks up a fruit.',
    parameters: $parameters,
    handler: fn (array $params) => $facts[$params['name']] ?? 'Not found',
    namespace: ['name' => 'fruit', 'description' => 'Fruit lookups'],
);

[
    'sessionId'  => '...',
    'toolCallId' => '...',
    'toolName'   => 'lookup_fact',
    'arguments'  => [...], // Argomenti dello strumento (stesso contenuto di $params)
    // Inclusi solo se OpenTelemetry è abilitato
    'traceparent' => '...', // W3C Trace Context traceparent
    'tracestate'  => '...', // W3C Trace Context tracestate
]

use Revolution\Copilot\Support\McpCallToolResult;

// Formato MCP CallToolResult
$mcpResult = [
    'content' => [
        ['type' => 'text', 'text' => 'File contents here'],
        ['type' => 'image', 'data' => 'base64...', 'mimeType' => 'image/png'],
    ],
    'isError' => false,
];

// Converti in ToolResultObject di Copilot SDK
$toolResult = McpCallToolResult::convert($mcpResult);
// $toolResult->textResultForLlm => 'File contents here'
// $toolResult->resultType => 'success'
// $toolResult->binaryResultsForLlm => [['data' => 'base64...', 'mimeType' => 'image/png', 'type' => 'image']]