import os
from pathlib import Path


class Config:
    TESTING = False
    DB_SERVER = "localhost"
    BASE_DIR = Path(__file__).resolve().parent.parent
    SRC_DIR = BASE_DIR / "app"
    EXCLUDED_DIRS = ["__pycache__", "commands"]
    TIMEZONE = 'Europe/Warsaw'

    ENABLE_CORS = os.environ.get('ENABLE_CORS') or False

    ALLOWED_EXTENSIONS = {'csv'}
    MAX_CONTENT_LENGTH = 10 * 1024 * 1024  # 10 MB

    SQLALCHEMY_TRACK_MODIFICATIONS = False
    SQLALCHEMY_DATABASE_URI = f'sqlite:///{BASE_DIR / "db.sqlite"}'
    LIMIT_STUDENTS_PER_GROUP = 5
    LIMIT_MEMBERS_PER_COMMITTEE = 3

    DESCRIPTION = 'System PRI'
    OPENAPI_VERSION = '3.0.2'

    # Weights for project grade sheet
    PRESENTATION_WEIGHT_FIRST_TERM = 1.5
    PRESENTATION_WEIGHT_SECOND_TERM = 1.5
    DOCUMENTATION_WEIGHT_FIRST_TERM = 2
    DOCUMENTATION_WEIGHT_SECOND_TERM = 1
    GROUP_WORK_WEIGHT_FIRST_TERM = 3
    GROUP_WORK_WEIGHT_SECOND_TERM = 3
    PRODUCT_PROJECT_WEIGHT_FIRST_TERM = 3.5
    PRODUCT_PROJECT_WEIGHT_SECOND_TERM = 4.5


class ProductionConfig(Config):
    DB_SERVER = "0.0.0.0"


class DevelopmentConfig(Config):
    DEBUG = True


class TestingConfig(Config):
    TESTING = True
    SQLALCHEMY_DATABASE_URI = "sqlite:///:memory:"


config = {
    "development": DevelopmentConfig,
    "production": ProductionConfig,
    "testing": TestingConfig,
}