import json
import datetime
from config import youtube_prefix

class Database:
    def __init__(self, base_path):
        self.base_path = base_path
        self.file_path = f'{base_path}/index.json'
        try:
            with open(self.file_path, 'r') as file:
                self.data = json.load(file)
        except FileNotFoundError:
            self.data = []

    def add_entry(self, entry):
        entry['timestamp'] = datetime.datetime.now().strftime('%d/%m/%Y')
        self.data.append(entry)
        with open(self.file_path, 'w') as file:
            json.dump(self.data, file, indent=4)

    def downloadable(self, url, title=None):
        idx = url.split(youtube_prefix)[-1]
        for entry in self.data:
            if entry['id'] == idx or (title is not None and entry['title'] == title):
                return False
        return True

    def get_all_entries(self):
        return self.data

    def update_entry(self, entry_id, new_data):
        for entry in self.data:
            if entry['id'] == entry_id:
                entry.update(new_data)
                with open(self.file_path, 'w') as file:
                    json.dump(self.data, file, indent=4)
                return