#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
Build Gemini blog from Sphinx.
"""

__version_info__ = (0, 0, 1)
__version__ = '.'.join([str(val) for val in __version_info__])


from typing import Set, Dict, Any

from sphinx.builders.text import TextBuilder
from sphinx.util import logging
from sphinx.locale import __
from sphinx.application import Sphinx

from .writer import GeminiTranslator, GeminiWriter

logger = logging.getLogger(__name__)


class GeminiBuilder(TextBuilder):
    """
    Gemini builder, based on native TextBuilder code from Sphinx
    """
    name = 'gemini'
    format = 'gemini'
    epilog = __('The gemini files are in %(outdir)s.')

    out_suffix = '.gmi'
    allow_parallel = True
    default_translator_class = GeminiTranslator

    current_docname = None

    def prepare_writing(self, docnames: Set[str]) -> None:
        self.writer = GeminiWriter(self)


def setup(app: Sphinx) -> Dict[str, Any]:
    app.add_builder(GeminiBuilder)

    return {
        'version': __version__,
        'parallel_read_safe': True,
        'parallel_write_safe': True
    }