"""File for handling API key
"""

import json
from enum import Enum

from .constants import KEY_FILE


class KeyValues(Enum):
    API_KEY = "api_key"
    AZURE_OPENAI_API_KEY = "AZURE_OPENAI_API_KEY"
    AZURE_OPENAI_ENDPOINT = "AZURE_OPENAI_ENDPOINT"
    OPENAI_API_VERSION = "OPENAI_API_VERSION"
    AZURE_DEPLOYMENT_NAME = "AZURE_DEPLOYMENT_NAME"
    AZURE_EMBEDDING_DEPLOYMENT_NAME = "AZURE_EMBEDDING_DEPLOYMENT_NAME"
    AZURE_MODEL_VERSION = "AZURE_MODEL_VERSION"
    USE_AZURE_OPENAI = "USE_AZURE_OPENAI"


class KeyFileHandler:
    def __init__(self):
        self.data = {}

    def write_key(self, key: KeyValues, value):
        """Appends or updates data in the hidden file"""
        try:
            with open(KEY_FILE, "r") as f:
                # Load existing data
                self.data = json.load(f)
        except FileNotFoundError:
            # If file doesn't exist, start with an empty dictionary
            self.data = {}

        # Update the data with the new key-value pair
        self.data[key.value] = value

        # Write the updated data back to the file
        with open(KEY_FILE, "w") as f:
            json.dump(self.data, f)

    def fetch_data(self, key: KeyValues):
        """Fetches the data from the hidden file"""
        try:
            with open(KEY_FILE, "r") as f:
                self.data = json.load(f)
        except FileNotFoundError:
            # Handle the case when the file doesn't exist
            self.data = {}
        return self.data.get(key.value)

    def remove_key(self, key: KeyValues):
        """Removes the specified key from the data."""
        try:
            with open(KEY_FILE, "r") as f:
                self.data = json.load(f)
            self.data.pop(key.value, None)  # Remove the key if it exists
            with open(KEY_FILE, "w") as f:
                json.dump(self.data, f)
        except FileNotFoundError:
            # Handle the case when the file doesn't exist
            pass  # No action needed if the file doesn't exist


KEY_FILE_HANDLER = KeyFileHandler()