"""
Development environment configuration for BackgroundFX Pro.

Optimized for local development with debugging and hot-reload enabled.
"""

from dataclasses import dataclass, field
from pathlib import Path
from typing import List

from ..settings import Settings


@dataclass
class DevelopmentSettings(Settings):
    """
    Development-specific configuration with relaxed security and debug features.
    """
    
    # Environment
    environment: str = "development"
    debug: bool = True
    
    # Server settings
    host: str = "127.0.0.1"
    port: int = 8000
    workers: int = 1
    reload: bool = True  # Hot reload enabled
    
    # Security - Relaxed for development
    secret_key: str = "dev-secret-key-not-for-production"
    cors_origins: List[str] = field(default_factory=lambda: ["*"])  # Allow all origins
    
    # API settings
    api_docs_enabled: bool = True  # Enable Swagger UI
    
    # Database - Local PostgreSQL
    database_url: str = "postgresql://postgres:postgres@localhost:5432/backgroundfx_dev"
    database_echo: bool = True  # Log SQL queries
    database_pool_size: int = 5
    database_max_overflow: int = 10
    
    # MongoDB - Local instance
    mongodb_url: str = "mongodb://localhost:27017/backgroundfx_dev"
    
    # Redis - Local instance
    redis_url: str = "redis://localhost:6379/0"
    redis_max_connections: int = 10
    
    # Storage - Local filesystem for development
    storage_backend: str = "local"
    local_storage_path: Path = field(default_factory=lambda: Path("./storage/dev"))
    
    # Processing - Smaller limits for development
    max_image_size: int = 20 * 1024 * 1024  # 20MB
    max_video_size: int = 100 * 1024 * 1024  # 100MB
    max_batch_size: int = 10
    processing_timeout: int = 120  # 2 minutes
    enable_gpu: bool = False  # Usually no GPU in dev
    gpu_memory_fraction: float = 0.5
    
    # Models - Local directory
    models_dir: Path = field(default_factory=lambda: Path("./models"))
    model_cache_dir: Path = field(default_factory=lambda: Path("./cache/models"))
    
    # Queue - Local Redis
    celery_broker_url: str = "redis://localhost:6379/1"
    celery_result_backend: str = "redis://localhost:6379/2"
    celery_worker_concurrency: int = 2
    celery_task_time_limit: int = 300  # 5 minutes
    
    # JWT - Simple key for development
    jwt_secret_key: str = "dev-jwt-secret-key"
    jwt_expiration_delta: int = 86400  # 1 day
    
    # Rate limiting - Relaxed for development
    rate_limit_enabled: bool = False
    rate_limit_requests: int = 10000
    rate_limit_window: int = 60
    
    # Monitoring - Disabled in development
    sentry_dsn: str = ""  # Disabled
    prometheus_enabled: bool = False
    
    # Logging - Verbose logging
    log_level: str = "DEBUG"
    log_file: str = "./logs/dev.log"
    
    # Cache - Shorter TTL for development
    cache_ttl: int = 60  # 1 minute
    cache_max_entries: int = 100
    
    # CDN - Disabled in development
    cdn_enabled: bool = False
    cdn_base_url: str = "http://localhost:8000/static"
    
    # Email - Console backend for development
    smtp_host: str = "localhost"
    smtp_port: int = 1025  # MailHog or similar
    smtp_use_tls: bool = False
    email_from: str = "dev@localhost"
    
    # Webhooks - Shorter timeouts for development
    webhook_timeout: int = 10
    webhook_max_retries: int = 1
    webhook_retry_delay: int = 1
    
    # Feature flags - Everything enabled for testing
    enable_video_processing: bool = True
    enable_batch_processing: bool = True
    enable_ai_backgrounds: bool = True
    enable_webhooks: bool = True
    
    # Development-specific settings
    auto_create_test_data: bool = True
    mock_external_services: bool = True
    enable_profiling: bool = True
    enable_debug_toolbar: bool = True
    
    def __post_init__(self):
        """Additional development-specific initialization."""
        super().__post_init__()
        
        # Create development directories
        for dir_path in [
            self.local_storage_path,
            self.models_dir,
            self.model_cache_dir,
            self.log_dir,
            self.temp_dir
        ]:
            dir_path.mkdir(parents=True, exist_ok=True)
        
        # Create test data directory
        test_data_dir = Path("./test_data")
        test_data_dir.mkdir(exist_ok=True)