import csv
import json
import logging

logging.basicConfig(
  level=logging.INFO,
  format='%(message)s',
)

logger = logging.getLogger(__name__)

def csv_to_json(csv_path: str, json_path: str) -> None:
    try:
      with open(csv_path) as file:
        reader: csv.DictReader[str] = csv.DictReader(file)
        result: list[dict[str, str]] = []
        for row in reader:
          if not reader.fieldnames:
            raise IOError()
          
          data: dict[str, str] = {}

          for fieldname in reader.fieldnames:
            data[fieldname] = row[fieldname]
          
          result.append(data)

        with open(json_path, 'w') as output_file:
          json.dump(result, output_file, indent=2, ensure_ascii=False)

    except FileNotFoundError:
      logger.error("File not found")
    except IOError:
      logger.error("Cannot read csv file")

def json_to_csv(json_path: str, csv_path: str) -> None:
  try:
    with open(json_path) as file:
      data: list[dict[str, str]] = json.load(file)
      
      if not data:
        logger.error("Cannot read json file")
      if data:
        with open(csv_path, 'w') as output:
          writer= csv.DictWriter(output, fieldnames=data[0].keys())
          writer.writeheader()
          writer.writerows(data)

  except FileNotFoundError:
      logger.error("File not found")

json_to_csv('./test.json', './test2.csv')