import os
import sys
from pathlib import Path

from dotenv import dotenv_values


ASSETS_DIR = Path(__file__).parent / 'assets'
CONFIG_DIR = Path(__file__).parent.parent / 'config'
MODULES_DIR = Path(__file__).parent.parent / 'modules'

OFM_DIR = '/data/ofm'
REMOTE_CONFIG = f'{OFM_DIR}/config'
VENV_BIN = f'{OFM_DIR}/venv/bin'

TILE_GEN_DIR = f'{OFM_DIR}/tile_gen'
TILE_GEN_BIN = f'{TILE_GEN_DIR}/bin'

PLANETILER_SRC = f'{TILE_GEN_DIR}/planetiler_src'
PLANETILER_BIN = f'{TILE_GEN_DIR}/planetiler'

HTTP_HOST_BIN = f'{OFM_DIR}/http_host/bin'


ENV = os.getenv('ENV')
if ENV:
    env_file_name = f'.env.{ENV}'
else:
    env_file_name = '.env'

env_file_path = CONFIG_DIR / env_file_name
if not env_file_path.exists():
    sys.exit(f'config/{env_file_name} does not exist')

DOTENV_VALUES = dotenv_values(CONFIG_DIR / env_file_name)


def dotenv_val(key):
    return DOTENV_VALUES.get(key, '').strip()