"""barcode.base

"""
from typing import ClassVar
from typing import List
from typing import Optional

from barcode.writer import BaseWriter
from barcode.writer import SVGWriter


class Barcode:
    name = ""

    digits = 0

    default_writer = SVGWriter

    default_writer_options: ClassVar[dict] = {
        "module_width": 0.2,
        "module_height": 15.0,
        "quiet_zone": 6.5,
        "font_size": 10,
        "text_distance": 5.0,
        "background": "white",
        "foreground": "black",
        "write_text": True,
        "text": "",
    }

    writer: BaseWriter

    def to_ascii(self) -> str:
        code = self.build()
        for i, line in enumerate(code):
            code[i] = line.replace("1", "X").replace("0", " ")
        return "\n".join(code)

    def __repr__(self) -> str:
        return f"<{self.__class__.__name__}({self.get_fullcode()!r})>"

    def build(self) -> List[str]:
        raise NotImplementedError

    def get_fullcode(self):
        """Returns the full code, encoded in the barcode.

        :returns: Full human readable code.
        :rtype: String
        """
        raise NotImplementedError

    def save(
        self, filename: str, options: Optional[dict] = None, text: Optional[str] = None
    ) -> str:
        """Renders the barcode and saves it in `filename`.

        :param filename: Filename to save the barcode in (without filename extension).
        :param options: The same as in `self.render`.
        :param text: Text to render under the barcode.

        :returns: The full filename with extension.
        """
        output = self.render(options, text) if text else self.render(options)

        return self.writer.save(filename, output)

    def write(self, fp, options=None, text=None):
        """Renders the barcode and writes it to the file like object
        `fp`.

        :parameters:
            fp : File like object
                Object to write the raw data in.
            options : Dict
                The same as in `self.render`.
            text : str
                Text to render under the barcode.
        """
        output = self.render(options, text)
        self.writer.write(output, fp)

    def render(self, writer_options: Optional[dict] = None, text: Optional[str] = None):
        """Renders the barcode using `self.writer`.

        :param writer_options: Options for `self.writer`, see writer docs for details.
        :param text: Text to render under the barcode.

        :returns: Output of the writers render method.
        """
        options = self.default_writer_options.copy()
        options.update(writer_options or {})
        if options["write_text"] or text is not None:
            if text is not None:
                options["text"] = text
            else:
                options["text"] = self.get_fullcode()
        self.writer.set_options(options)
        code = self.build()
        return self.writer.render(code)