<?php

return [
    /*
    | Service-to-service API keys (Bearer) for internal callers such as webmail.
    */
    'service_api_keys' => array_filter([
        'webmail' => env('TRANSFER_API_KEY_WEBMAIL'),
        'sms' => env('TRANSFER_API_KEY_SMS'),
    ]),

    // GHS per GB per month of retention (see qr-suite-decomposition.md §7.3).
    'price_per_gb_month' => (float) env('TRANSFER_PRICE_PER_GB_MONTH', 0.30),

    // Max single-file upload size (bytes). 0 = no limit (chunked uploads handle large files).
    'max_file_bytes' => (int) env('TRANSFER_MAX_FILE_BYTES', 0),

    // Bit-sized upload sessions (init → chunk → finalize), same pattern as hosting file manager.
    'chunk_upload' => [
        'path' => env('TRANSFER_CHUNK_UPLOAD_PATH', storage_path('app/chunked_uploads')),
        'chunk_size_bytes' => (int) env('TRANSFER_CHUNK_SIZE_BYTES', 5 * 1024 * 1024),
    ],

    // Max files per transfer.
    'max_files_per_transfer' => (int) env('TRANSFER_MAX_FILES', 20),

    // Monthly billing cycle length (days) — storage is renewed each period while the wallet can pay.
    'billing_period_days' => (int) env('TRANSFER_BILLING_PERIOD_DAYS', 30),

    // Days to keep files after a failed renewal before automatic deletion.
    'grace_period_days' => (int) env('TRANSFER_GRACE_PERIOD_DAYS', 15),

    // Owner emails when a transfer enters grace and before files are deleted.
    'owner_grace_email_milestones' => ['grace_entered', '7', '3', '1'],

    // Legacy env keys (billing is monthly until cancelled by non-payment + grace).
    'default_retention_days' => (int) env('TRANSFER_DEFAULT_RETENTION_DAYS', 30),
    'mail_retention_days' => (int) env('TRANSFER_MAIL_RETENTION_DAYS', 30),

    // Voice SMS uploads from sms.ladill.com (via platform API).
    'sms_voice_max_upload_kb' => (int) env('TRANSFER_SMS_VOICE_MAX_UPLOAD_KB', 5120),

    // Filesystem disk for transfer blobs (Contabo S3 in production; local `qr` for dev/tests).
    'files_disk' => env('TRANSFER_FILES_DISK', 'transfer-files'),
];