"""
Application configuration using Pydantic Settings.

Job ID: MTAD-IMPL-2025-11-18-CL
"""

from typing import List
from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    """Application settings loaded from environment variables."""

    # Environment
    env: str = "development"
    debug: bool = False

    # API
    api_version: str = "v1"
    api_title: str = "MoreThanADiagnosis API"
    api_description: str = "Community Hub for Chronically/Terminally Ill Individuals"

    # Database
    database_url: str = "sqlite:///./test.db"
    database_pool_size: int = 20
    database_max_overflow: int = 10

    # Security
    secret_key: str = "change-me-in-production"
    algorithm: str = "HS256"
    access_token_expire_minutes: int = 15
    refresh_token_expire_days: int = 30
    password_hashing_algorithm: str = "argon2"

    # CORS
    cors_origins: List[str] = [
        "https://morethanadiagnosis.com",
        "http://localhost:3000",
        "http://localhost:8081",
    ]
    cors_credentials: bool = True
    cors_methods: List[str] = ["*"]
    cors_headers: List[str] = ["*"]

    # Logging
    log_level: str = "INFO"
    log_format: str = "json"

    # Observability
    jaeger_enabled: bool = False
    jaeger_host: str = "localhost"
    jaeger_port: int = 6831

    # Rate Limiting
    rate_limit_enabled: bool = True
    rate_limit_requests: int = 100
    rate_limit_period: int = 60

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

    # Email
    smtp_server: str = "smtp.gmail.com"
    smtp_port: int = 587
    smtp_username: str = "noreply@morethanadiagnosis.com"
    smtp_password: str = ""
    smtp_from: str = "noreply@morethanadiagnosis.com"

    # File Storage
    storage_type: str = "s3"
    s3_bucket: str = "morethanadiagnosis-media"
    s3_region: str = "us-east-1"
    s3_access_key: str = ""
    s3_secret_key: str = ""

    # Feature Flags
    feature_mfa_enabled: bool = True
    feature_social_login_enabled: bool = False
    feature_pseudonym_enabled: bool = True

    class Config:
        env_file = ".env"
        case_sensitive = False
        extra = "ignore"


settings = Settings()