<?php

return [

    /*
    |--------------------------------------------------------------------------
    | Gutendex API Base URL
    |--------------------------------------------------------------------------
    |
    | The base URL for the Gutendex API. This is the Project Gutenberg
    | catalog API that provides metadata about public domain books.
    |
    */

    'api_url' => env('GUTENDEX_API_URL', 'https://gutendex.com'),

    /*
    |--------------------------------------------------------------------------
    | Default Language Filter
    |--------------------------------------------------------------------------
    |
    | The default language code to use when fetching books from Gutendex.
    | Common values: 'en' (English), 'fr' (French), 'de' (German), etc.
    |
    */

    'default_language' => env('GUTENDEX_DEFAULT_LANGUAGE', 'en'),

    /*
    |--------------------------------------------------------------------------
    | Batch Size
    |--------------------------------------------------------------------------
    |
    | The number of books to process in a single batch import operation.
    | Adjust based on your server capacity and Ollama processing speed.
    |
    */

    'batch_size' => env('GUTENDEX_BATCH_SIZE', 50),

    /*
    |--------------------------------------------------------------------------
    | Rate Limit Delay
    |--------------------------------------------------------------------------
    |
    | Delay in milliseconds between API requests to respect rate limits.
    | Increase if you encounter 429 (Too Many Requests) errors.
    |
    */

    'rate_limit_delay' => env('GUTENDEX_RATE_LIMIT_DELAY', 1000),

    /*
    |--------------------------------------------------------------------------
    | Request Timeout
    |--------------------------------------------------------------------------
    |
    | Maximum time in seconds to wait for a response from the Gutendex API.
    |
    */

    'timeout' => env('GUTENDEX_TIMEOUT', 30),

    /*
    |--------------------------------------------------------------------------
    | Retry Configuration
    |--------------------------------------------------------------------------
    |
    | Configuration for retrying failed API requests.
    | - max_attempts: Maximum number of retry attempts
    | - backoff_multiplier: Multiplier for exponential backoff (in seconds)
    |
    */

    'retry' => [
        'max_attempts' => env('GUTENDEX_RETRY_MAX_ATTEMPTS', 3),
        'backoff_multiplier' => env('GUTENDEX_RETRY_BACKOFF', 2),
    ],

    /*
    |--------------------------------------------------------------------------
    | Copyright Filter
    |--------------------------------------------------------------------------
    |
    | Filter books by copyright status. Setting to 'false' will only fetch
    | public domain books. Setting to 'true' includes copyrighted works.
    | It's recommended to keep this as 'false' for legal compliance.
    |
    */

    'copyright' => env('GUTENDEX_COPYRIGHT_FILTER', 'false'),

    /*
    |--------------------------------------------------------------------------
    | Cache Configuration
    |--------------------------------------------------------------------------
    |
    | Enable caching of Gutendex API responses to reduce API calls.
    | - enabled: Whether to cache responses
    | - ttl: Time to live in seconds (default: 24 hours)
    |
    */

    'cache' => [
        'enabled' => env('GUTENDEX_CACHE_ENABLED', true),
        'ttl' => env('GUTENDEX_CACHE_TTL', 86400),
    ],

    /*
    |--------------------------------------------------------------------------
    | Category Mapping
    |--------------------------------------------------------------------------
    |
    | Map Gutendex subjects/bookshelves to your application's categories.
    | This helps in auto-categorizing imported books.
    |
    */

    'category_mapping' => [
        'Fiction' => 'fiction',
        'Science Fiction' => 'science-fiction',
        'Fantasy' => 'fantasy',
        'Mystery' => 'mystery',
        'Romance' => 'romance',
        'Historical Fiction' => 'historical-fiction',
        'Biography' => 'biography',
        'History' => 'history',
        'Philosophy' => 'philosophy',
        'Science' => 'science',
        'Technology' => 'technology',
        'Business' => 'business',
        'Self-Help' => 'self-help',
        'Poetry' => 'poetry',
        'Drama' => 'drama',
        'Children' => 'children',
        // Add more mappings as needed
    ],

];