import json
import os


def env(name, default=None):
    value = os.getenv(name)
    return default if value is None or value == "" else value


def env_float(name, default):
    try:
        return float(env(name, default))
    except (TypeError, ValueError):
        return float(default)


def env_int(name, default):
    try:
        return int(env(name, default))
    except (TypeError, ValueError):
        return int(default)


def env_json(name, default):
    raw = env(name)
    if raw is None:
        return default
    try:
        return json.loads(raw)
    except json.JSONDecodeError:
        return default


class Config:
    SECRET_KEY = env("SECRET_KEY", "dev-secret")
    SQLALCHEMY_DATABASE_URI = env("DATABASE_URL", "sqlite:////app/instance/fueltrack.db")
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    API_TOKEN_MAX_AGE_SECONDS = env_int("API_TOKEN_MAX_AGE_SECONDS", 928800)

    HTTP_TIMEOUT_SECONDS = env_float("HTTP_TIMEOUT_SECONDS", 30)
    ORLEN_TIMEOUT_SECONDS = env_float("ORLEN_TIMEOUT_SECONDS", 15)
    URE_TIMEOUT_SECONDS = env_float("URE_TIMEOUT_SECONDS", 45)

    ORLEN_WHOLESALE_URL = env("ORLEN_WHOLESALE_URL", "https://tool.orlen.pl/api/wholesalefuelprices/ByProduct")
    ORLEN_LPG_URL = env("ORLEN_LPG_URL", "https://tool.orlen.pl/api/autogasprices")
    ORLEN_LPG_BY_DATE_URL = env("ORLEN_LPG_BY_DATE_URL", "https://tool.orlen.pl/api/autogasprices/ByDate")
    URE_STATIONS_URL = env("URE_STATIONS_URL", "https://api.ure.gov.pl/api/InfrastructureFuelStation")

    BOOTSTRAP_JS_URL = env("BOOTSTRAP_JS_URL", "https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/js/bootstrap.bundle.min.js")
    CHOICES_CSS_URL = env("CHOICES_CSS_URL", "https://cdn.jsdelivr.net/npm/choices.js@11.1.0/public/assets/styles/choices.min.css")
    CHOICES_JS_URL = env("CHOICES_JS_URL", "https://cdn.jsdelivr.net/npm/choices.js@11.1.0/public/assets/scripts/choices.min.js")
    CHART_JS_URL = env("CHART_JS_URL", "https://cdn.jsdelivr.net/npm/chart.js@4.5.0/dist/chart.umd.min.js")

    THEME_BOOTSTRAP_URL = env("THEME_BOOTSTRAP_URL", "https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/css/bootstrap.min.css")
    THEME_FLATLY_URL = env("THEME_FLATLY_URL", "https://cdn.jsdelivr.net/npm/bootswatch@5.3.7/dist/flatly/bootstrap.min.css")
    THEME_DARKLY_URL = env("THEME_DARKLY_URL", "https://cdn.jsdelivr.net/npm/bootswatch@5.3.7/dist/darkly/bootstrap.min.css")
    THEME_PULSE_URL = env("THEME_PULSE_URL", "https://cdn.jsdelivr.net/npm/bootswatch@5.3.7/dist/pulse/bootstrap.min.css")

    STATION_BRAND_ALIASES = env_json("STATION_BRAND_ALIASES_JSON", {
        "ORLEN": "ORLEN",
        "HIL-GAZ": "HIL-GAZ",
        "HILL-GAZ": "HIL-GAZ",
        "BP ": "BP",
        "BP EUROPA": "BP",
        "SHELL": "Shell",
        "MOL POLSKA": "MOL",
        "CIRCLE K": "Circle K",
        "ANWIM": "MOYA",
        "AMIC": "AMIC Energy",
        "LOTOS": "LOTOS",
        "AVIA": "AVIA",
        "PIEPRZYK": "Pieprzyk",
    })