# This file is part of Gajim.
#
# Gajim is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Gajim is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Gajim. If not, see <http://www.gnu.org/licenses/>.

import pickle
import sys
import traceback


def _respond(response: dict) -> None:
    pickle.dump(response, sys.stdout.buffer)
    sys.stdout.buffer.flush()


def main() -> None:
    model = None
    while True:
        try:
            cmd = pickle.load(sys.stdin.buffer)
        except EOFError:
            return
        try:
            op = cmd['op']
            if op == 'load':
                import onnx_asr
                model = onnx_asr.load_model(
                    cmd['model_id'], cmd.get('model_path') or None)
                _respond({'ok': True})
            elif op == 'recognize':
                text = model.recognize(cmd['audio'])
                _respond({'ok': True, 'text': text})
            else:
                _respond({'ok': False, 'error': f'unknown op: {op}'})
        except Exception as e:
            _respond({
                'ok': False,
                'error': f'{type(e).__name__}: {e}',
                'traceback': traceback.format_exc(),
            })


if __name__ == '__main__':
    main()