first commit

config.py

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+import os
+from typing import Optional
+
+
+class Config:
+    """Application configuration management."""
+    
+    # API Configuration
+    API_URL: str = "https://api.kleer.se/v1"
+    DEFAULT_COMPANY_ID: str = "1336"
+    API_KEY : str = "rjAXm8PM70kqTUt"  # To be set via environment variable
+
+    # Date Formats
+    CSV_DATE_FORMAT: str = '%m/%d/%Y'
+    API_DATE_FORMAT: str = '%Y-%m-%d'
+    XLSX_SHEET_NAME: str = "AGRESSO"
+    
+    # CSV Column Indices
+    DATE_COL_INDEX: int = 5
+    HOURS_COL_INDEX: int = 10
+    
+    # Business Rules
+    MIN_HOURS_THRESHOLD: float = 0.2
+    
+    # Server Configuration
+    SERVER_HOST: str = "0.0.0.0"
+    SERVER_PORT: int = 8000
+    
+    # Environment Variables
+    @staticmethod
+    def get_api_key() -> Optional[str]:
+        """Get Kleer API key from environment."""
+        return os.getenv('KLEER_API_KEY',Config.API_KEY)
+    
+    @staticmethod
+    def get_username() -> str:
+        """Get username from environment with fallback."""
+        return os.getenv('KLEER_USERNAME', 'Christopher Juhlin')
+    
+    @staticmethod
+    def get_company_id() -> str:
+        """Get company ID from environment with fallback."""
+        return os.getenv('KLEER_COMPANY_ID', Config.DEFAULT_COMPANY_ID)
+    
+    @staticmethod
+    def validate_config() -> None:
+        """Validate required configuration is present."""
+        if not Config.get_api_key():
+            raise ValueError("KLEER_API_KEY environment variable is not set")