#!/usr/bin/env python
# coding=utf-8

# aeneas is a Python/C library and a set of tools
# to automagically synchronize audio and text (aka forced alignment)
#
# Copyright (C) 2012-2013, Alberto Pettarin (www.albertopettarin.it)
# Copyright (C) 2013-2015, ReadBeyond Srl   (www.readbeyond.it)
# Copyright (C) 2015-2017, Alberto Pettarin (www.albertopettarin.it)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from __future__ import absolute_import
from __future__ import print_function
import json

from aeneas.syncmap.smfbase import SyncMapFormatBase
import aeneas.globalfunctions as gf


class SyncMapFormatJSON(SyncMapFormatBase):
    """
    Handler for JSON I/O format.
    """

    TAG = u"SyncMapFormatJSON"

    DEFAULT = "json"

    def parse(self, input_text, syncmap):
        contents_dict = json.loads(input_text)
        for fragment in contents_dict["fragments"]:
            self._add_fragment(
                syncmap=syncmap,
                identifier=fragment["id"],
                language=fragment["language"],
                lines=fragment["lines"],
                begin=gf.time_from_ssmmm(fragment["begin"]),
                end=gf.time_from_ssmmm(fragment["end"])
            )

    def format(self, syncmap):
        return syncmap.json_string
