from typing import List
from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    model_config = SettingsConfigDict(
        env_file=".env",
        env_file_encoding="utf-8",
        case_sensitive=False,
        extra="ignore",
    )

    # Application
    APP_NAME: str = "INDELIS API"
    APP_VERSION: str = "1.0.0"
    ENVIRONMENT: str = "development"
    DEBUG: bool = False
    LOG_LEVEL: str = "INFO"

    # Database
    DATABASE_URL: str = "postgresql+psycopg://postgres:password@localhost:5432/indelis"
    POSTGRES_DB: str = "indelis"
    POSTGRES_USER: str = "postgres"
    POSTGRES_PASSWORD: str = "password"
    POSTGRES_HOST: str = "localhost"
    POSTGRES_PORT: int = 5432
    DB_POOL_SIZE: int = 10
    DB_MAX_OVERFLOW: int = 20

    # JWT
    JWT_SECRET: str = "change-me-in-production"
    JWT_REFRESH_SECRET: str = "change-me-refresh-in-production"
    JWT_ALGORITHM: str = "HS256"
    JWT_ACCESS_TOKEN_EXPIRE_MINUTES: int = 15
    JWT_REFRESH_TOKEN_EXPIRE_DAYS: int = 7

    # Redis
    REDIS_URL: str = "redis://localhost:6379/0"
    REDIS_TENANT_CACHE_TTL: int = 3600  # 1 hour

    # CORS
    ALLOWED_ORIGINS: List[str] = [
        "http://localhost:3000",
        "http://localhost:3001",
        "http://localhost:5173",
        "http://localhost:5174",
        "http://green-hills.localhost:3000",
        "http://green-hills.localhost:3001",
    ]
    ALLOWED_METHODS: List[str] = ["*"]
    ALLOWED_HEADERS: List[str] = ["*"]

    # AWS S3
    AWS_ACCESS_KEY_ID: str = ""
    AWS_SECRET_ACCESS_KEY: str = ""
    AWS_REGION: str = "ca-central-1"
    S3_BUCKET: str = "indelis-dev"

    # AI
    ANTHROPIC_API_KEY: str = ""
    OPENAI_API_KEY: str = ""

    # Stripe
    STRIPE_SECRET_KEY: str = ""
    STRIPE_WEBHOOK_SECRET: str = ""

    # Email (AWS SES)
    SES_FROM_EMAIL: str = "noreply@indelis.com"
    SES_FROM_NAME: str = "INDELIS"

    # Domain
    APP_DOMAIN: str = "indelis.com"
    SYSTEM_SUBDOMAINS: List[str] = ["www", "admin", "api", "mail", "smtp"]

    # App Environment & Workspace URL
    APP_ENV: str = "development"          # development | staging | production
    FRONTEND_PORT: int = 3001
    PUBLIC_BASE_DOMAIN: str = "indelis.com"

    # SMTP Email
    SMTP_HOST: str = ""
    SMTP_PORT: int = 587
    SMTP_USER: str = ""
    SMTP_PASSWORD: str = ""
    EMAIL_FROM: str = "noreply@indelis.com"

    # Rate Limiting
    RATE_LIMIT_DEFAULT: str = "100/minute"
    RATE_LIMIT_AI: str = "10/minute"
    RATE_LIMIT_PUBLIC_SEARCH: str = "5/minute"

    @property
    def is_production(self) -> bool:
        return self.ENVIRONMENT == "production"

    @property
    def is_development(self) -> bool:
        return self.ENVIRONMENT == "development"


settings = Settings()