"""
Configuration extensions for Cloudflare integration
"""

import os
from typing import Optional

from pydantic import BaseModel, Field


class CloudflareSettings(BaseModel):
    """Cloudflare configuration settings"""

    api_token: Optional[str] = Field(
        default_factory=lambda: os.getenv("CLOUDFLARE_API_TOKEN"),
        description="Cloudflare API token",
    )

    account_id: Optional[str] = Field(
        default_factory=lambda: os.getenv("CLOUDFLARE_ACCOUNT_ID"),
        description="Cloudflare account ID",
    )

    worker_url: Optional[str] = Field(
        default_factory=lambda: os.getenv("CLOUDFLARE_WORKER_URL"),
        description="Cloudflare Worker URL",
    )

    # D1 Database settings
    d1_database_id: Optional[str] = Field(
        default_factory=lambda: os.getenv("CLOUDFLARE_D1_DATABASE_ID"),
        description="D1 database ID",
    )

    # KV Namespace settings
    kv_sessions_id: Optional[str] = Field(
        default_factory=lambda: os.getenv("CLOUDFLARE_KV_SESSIONS_ID"),
        description="KV namespace ID for sessions",
    )

    kv_cache_id: Optional[str] = Field(
        default_factory=lambda: os.getenv("CLOUDFLARE_KV_CACHE_ID"),
        description="KV namespace ID for cache",
    )

    # R2 Bucket settings
    r2_storage_bucket: str = Field(
        default_factory=lambda: os.getenv(
            "CLOUDFLARE_R2_STORAGE_BUCKET", "openmanus-storage"
        ),
        description="R2 storage bucket name",
    )

    r2_assets_bucket: str = Field(
        default_factory=lambda: os.getenv(
            "CLOUDFLARE_R2_ASSETS_BUCKET", "openmanus-assets"
        ),
        description="R2 assets bucket name",
    )

    # Connection settings
    timeout: int = Field(default=30, description="Request timeout in seconds")

    def is_configured(self) -> bool:
        """Check if minimum Cloudflare configuration is available"""
        return bool(self.api_token and self.account_id)

    def has_worker(self) -> bool:
        """Check if worker URL is configured"""
        return bool(self.worker_url)

    def has_d1(self) -> bool:
        """Check if D1 database is configured"""
        return bool(self.d1_database_id)

    def has_kv(self) -> bool:
        """Check if KV namespaces are configured"""
        return bool(self.kv_sessions_id and self.kv_cache_id)


class HuggingFaceSettings(BaseModel):
    """Hugging Face configuration settings"""

    token: Optional[str] = Field(
        default_factory=lambda: os.getenv("HUGGINGFACE_TOKEN"),
        description="Hugging Face API token",
    )

    cache_dir: str = Field(
        default_factory=lambda: os.getenv(
            "HF_HOME", "/app/OpenManus/.cache/huggingface"
        ),
        description="Hugging Face cache directory",
    )

    model_cache_size: int = Field(
        default=5, description="Maximum number of models to cache"
    )


class DeploymentSettings(BaseModel):
    """Deployment-specific settings"""

    environment: str = Field(
        default_factory=lambda: os.getenv("ENVIRONMENT", "development"),
        description="Deployment environment",
    )

    debug: bool = Field(
        default_factory=lambda: os.getenv("DEBUG", "false").lower() == "true",
        description="Enable debug mode",
    )

    log_level: str = Field(
        default_factory=lambda: os.getenv("LOG_LEVEL", "INFO"),
        description="Logging level",
    )

    # Gradio settings
    server_name: str = Field(
        default_factory=lambda: os.getenv("GRADIO_SERVER_NAME", "0.0.0.0"),
        description="Gradio server name",
    )

    server_port: int = Field(
        default_factory=lambda: int(os.getenv("GRADIO_SERVER_PORT", "7860")),
        description="Gradio server port",
    )

    # Security settings
    secret_key: Optional[str] = Field(
        default_factory=lambda: os.getenv("SECRET_KEY"),
        description="Secret key for sessions",
    )

    jwt_secret: Optional[str] = Field(
        default_factory=lambda: os.getenv("JWT_SECRET"),
        description="JWT signing secret",
    )


# Create global instances
cloudflare_config = CloudflareSettings()
huggingface_config = HuggingFaceSettings()
deployment_config = DeploymentSettings()