<?php

declare(strict_types=1);

/**
 * Plan 273 §E.1 — OpenTelemetry configuration.
 *
 * The default `disabled` driver is a no-op so dev + tests don't fan
 * out spans to a real exporter. In production the `honeycomb` driver
 * wires the OTLP HTTP exporter at the Honeycomb endpoint.
 *
 * ADR-0012 records the vendor decision (Honeycomb over Datadog) and
 * the SLO budget; revisit at 10x MRR.
 */

return [
    'driver' => env('TELEMETRY_DRIVER', 'disabled'),

    'service' => [
        'name' => env('TELEMETRY_SERVICE_NAME', 'client-portal-laravel'),
        'namespace' => env('TELEMETRY_SERVICE_NAMESPACE', 'websites'),
        'version' => env('TELEMETRY_SERVICE_VERSION', null),
        'environment' => env('TELEMETRY_ENV', env('APP_ENV', 'production')),
    ],

    /*
    | Head-based sampler probability. 1.0 in non-prod (capture everything),
    | 0.1 in prod (10% sample of normal traffic). Errors are force-sampled
    | by the tail processor in the middleware regardless of head rate.
    */
    'sample_rate' => (float) env('TELEMETRY_SAMPLE_RATE', 0.1),

    'honeycomb' => [
        // OTLP HTTP endpoint -- Honeycomb's official ingest URL.
        'endpoint' => env('TELEMETRY_HONEYCOMB_ENDPOINT', 'https://api.honeycomb.io/v1/traces'),
        // Team API key. Land via SecretsManager in prod
        // (manifest: prod/websites/honeycomb/api_key).
        'api_key' => env('TELEMETRY_HONEYCOMB_API_KEY'),
        // Honeycomb dataset name. Convention: <service>-<env>.
        'dataset' => env('TELEMETRY_HONEYCOMB_DATASET', 'websites-prod'),
    ],
];