"""Application configuration loaded from environment variables."""

from __future__ import annotations

from functools import lru_cache
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",
    )

    # ── App ───────────────────────────────────────────────
    APP_NAME: str = "Deals24Togo"
    APP_ENV: str = "development"
    DEBUG: bool = False
    ALLOWED_ORIGINS: str = "http://localhost:5173,http://localhost:3000"

    @property
    def allowed_origins_list(self) -> List[str]:
        return [o.strip() for o in self.ALLOWED_ORIGINS.split(",") if o.strip()]

    # ── Supabase ──────────────────────────────────────────
    SUPABASE_URL: str
    SUPABASE_KEY: str
    SUPABASE_SERVICE_ROLE_KEY: str

    # ── Auth / JWT ────────────────────────────────────────
    SUPABASE_JWT_SECRET: str = "change-me"

    # ── Storage ───────────────────────────────────────────
    SUPABASE_STORAGE_BUCKET: str = "listings"
    MAX_UPLOAD_SIZE_MB: int = 10

    @property
    def max_upload_size_bytes(self) -> int:
        return self.MAX_UPLOAD_SIZE_MB * 1024 * 1024

    # ── Rate limiting ─────────────────────────────────────
    RATE_LIMIT_PER_MINUTE: int = 60

    # ── Sentry ────────────────────────────────────────────
    SENTRY_DSN: str = ""

    # ── Email ─────────────────────────────────────────────
    SMTP_HOST: str = ""
    SMTP_PORT: int = 587
    SMTP_USER: str = ""
    SMTP_PASSWORD: str = ""
    EMAIL_FROM: str = "noreply@deals24togo.com"

    # ── Frontend ──────────────────────────────────────────
    FRONTEND_URL: str = "http://localhost:5173"

    # ── CinetPay ──────────────────────────────────────────
    CINETPAY_API_KEY: str = ""
    CINETPAY_SITE_ID: str = ""
    BACKEND_PUBLIC_URL: str = "http://localhost:8000"
    SUBSCRIPTION_MONTHLY_AMOUNT: int = 1000
    SUBSCRIPTION_YEARLY_AMOUNT: int = 10000


@lru_cache
def get_settings() -> Settings:
    return Settings()  # type: ignore[call-arg]