import os
from typing import List, Union, Optional
from pydantic import AnyHttpUrl, field_validator
from pydantic_settings import BaseSettings, SettingsConfigDict

ENV_FILE_PATH = os.path.join(os.path.dirname(os.path.dirname(__file__)), ".env")

class Settings(BaseSettings):
    APP_NAME: str = "Archvise"
    DEBUG: bool = False
    API_VERSION: str = "v1"
    SECRET_KEY: str = "generate-a-secure-jwt-secret-key-for-production-deployment-2026"
    SENTRY_DSN: Optional[str] = None

    # Database
    DATABASE_URL: str = "postgresql://postgres.lxqysvqlhajjweorgztt:Sweaty%40ashok1@aws-1-ap-southeast-2.pooler.supabase.com:6543/postgres"

    # Redis
    REDIS_URL: str = "redis://localhost:6379/0"

    # NVIDIA NIM APIs
    NVIDIA_BASE_URL: str = "https://integrate.api.nvidia.com/v1"
    NVIDIA_LLAMA_KEY: str = "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"
    NVIDIA_MISTRAL_KEY: str = "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"
    NVIDIA_DEEPSEEK_KEY: str = "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"
    NVIDIA_LLAMA_VISION_KEY: str = "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"
    NVIDIA_EMBED_KEY: str = "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"

    # Supabase Auth Settings
    SUPABASE_URL: str = "https://lxqysvqlhajjweorgztt.supabase.co"
    SUPABASE_ANON_KEY: str = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6Imx4cXlzdnFsaGFqandlb3JnenR0Iiwicm9sZSI6ImFub24iLCJpYXQiOjE3ODA1NDYwNjIsImV4cCI6MjA5NjEyMjA2Mn0.G93M7eXhhtNee04NYmmZBEmIKS1v4Typ7VEk4TkwHnM"
    SUPABASE_SERVICE_ROLE_KEY: str = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6Imx4cXlzdnFsaGFqandlb3JnenR0Iiwicm9sZSI6InNlcnZpY2Vfcm9sZSIsImlhdCI6MTc4MDU0NjA2MiwiZXhwIjoyMDk2MTIyMDYyfQ.7ANfu1C845PV9e0Go3qiSyFvQ_AfCFSP_5aulKxbMdk"
    SUPABASE_JWT_SECRET: str = "super-secret-jwt-token-with-at-least-32-characters-long"

    # Storage API (Supabase Storage S3-Compatible)
    CLOUDFLARE_R2_ACCOUNT_ID: str = "supabase"
    CLOUDFLARE_R2_ACCESS_KEY: str = "98d156188e6d2f13bb31061a039fe9b3"
    CLOUDFLARE_R2_SECRET_KEY: str = "ef8ebc4ca31c6a917ecabd506341750ca7326dacf4218e31a7696a972c3e23c0"
    CLOUDFLARE_R2_BUCKET: str = "scaleai-audits"
    CLOUDFLARE_R2_ENDPOINT_URL: str = "https://lxqysvqlhajjweorgztt.storage.supabase.co/storage/v1/s3"
    CLOUDFLARE_R2_REGION_NAME: str = "ap-southeast-2"

    # CORS Settings
    CORS_ORIGINS: Union[str, List[str]] = ["*"]

    @field_validator("CORS_ORIGINS")
    @classmethod
    def assemble_cors_origins(cls, v: Union[str, List[str]]) -> List[str]:
        if isinstance(v, str):
            if v.startswith("[") and v.endswith("]"):
                import json
                try:
                    return json.loads(v)
                except Exception:
                    pass
            return [x.strip() for x in v.split(",")]
        return v

    # Rate Limiting
    RATE_LIMIT: str = "100/minute"

    # Stripe
    STRIPE_SECRET_KEY: str = "sk_test_placeholder_please_replace"
    STRIPE_WEBHOOK_SECRET: str = "whsec_placeholder_please_replace"
    STRIPE_STARTER_PRICE_ID: str = "price_placeholder_starter"
    STRIPE_PRO_PRICE_ID: str = "price_placeholder_pro"

    # GitHub OAuth
    GITHUB_CLIENT_ID: str = "Iv23lipw1OEG5Q6myilm"
    GITHUB_CLIENT_SECRET: str = "c01eaa49ac9db4e6f40f7ea1f99397964d0a975a"
    
    # Frontend Redirect
    FRONTEND_URL: str = "http://localhost:3000"

    # OpenRouter/OpenAI/Groq/Gemini API Keys
    OPENAI_API_KEY: str = ""
    OPENAI_BASE_URL: str = "https://openrouter.ai/api/v1"
    OPENROUTER_API_KEY: str = ""
    GROQ_API_KEY: str = ""
    GEMINI_API_KEY: str = ""

    model_config = SettingsConfigDict(
        env_file=(".env", ENV_FILE_PATH),
        env_file_encoding="utf-8",
        extra="ignore"
    )

settings = Settings()