"""
Silique (https://www.silique.fr)
Copyright (C) 2024-2026
            
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU Lesser 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 Lesser General Public License for more
details.

You should have received a copy of the GNU Lesser General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""

from typing import List, Optional
from html import escape

from ..utils import dump, CommonFormatter
from ..i18n import _


def to_id(path):
    # https://www.w3.org/TR/html4/types.html#type-name
    return "".join(e if e in ["-", "_", ":", "."] or e.isalnum() else ":" for e in path)


class Formatter(CommonFormatter):
    """The markdown (for github) formatter"""

    name = "github"
    _tabular_name = "github"
    level = 50
    enter_tabular = "<br/>"

    def __init__(self, rougailconfig, **kwarg) -> None:
        self.max_line_variable = 0
        self.max_line_description = 0
        super().__init__(rougailconfig, **kwarg)

    def title(
        self,
        title: str,
        level: int,
        collapse: bool=True,
    ) -> str:
        """Display family name as a title"""
        char = "#"
        return f"{char * level} {title}"

    def join(
        self,
        lst: List[str],
    ) -> str:
        """Display line in tabular from a list"""
        return self.enter_tabular.join(
            [l.replace("\n", self.enter_tabular) for l in lst]
        )

    def bold(
        self,
        msg: str,
    ) -> str:
        """Set a text to bold"""
        return f"**{msg}**"

    def italic(
        self,
        msg: str,
    ) -> str:
        """Set a text to italic"""
        return f"*{msg}*"

    def delete(
        self,
        msg: str,
    ) -> str:
        """Set a text to deleted"""
        return f"~~{msg}~~"

    def underline(
        self,
        msg: str,
    ) -> str:
        """Set a text to underline"""
        return f"<ins>{msg}</ins>"

    def stripped(
        self,
        text: str,
    ) -> str:
        """Return stripped text (as help)"""
        return text.strip().replace("\n", self.enter_tabular)

    def list(
        self,
        choices: list,
        *,
        inside_tabular: bool = True,
        type_: str = "variable",
        with_enter: bool = True,
    ):
        """Display a liste of element"""
        end = ""
        if type_ == "variable":
            if inside_tabular:
                if with_enter:
                    char = first_char = f"{self.enter_tabular}•&nbsp;"
                else:
                    first_char = f"•&nbsp;"
                    char = f"{self.enter_tabular}{first_char}"
            else:
                first_char = "- "
                char = "\n- "
        else:
            first_char = f"{self.family_informations_starts_list_first()}- "
            char = f"\n{first_char}"
            end = self.family_informations_ends_line()
        ret = ""
        for idx, choice in enumerate(choices):
            if not isinstance(choice, str):
                choice = dump(choice)
            if not idx:
                c = first_char
            else:
                c = char
            ret += end + c + choice
        return ret

    def family_informations_starts_list_first(self):
        return self.family_informations_starts_line()

    def prop(
        self,
        prop: str,
        italic: bool,
        delete: bool,
        underline: bool,
    ) -> str:
        """Display property"""
        prop = f"`{prop}`"
        if italic:
            prop = self.italic(prop)
        if delete:
            prop = self.delete(prop)
        if underline:
            prop = self.underline(prop)
        return prop

    def tabular_header(self, lst):
        """Manage the header of a tabular"""
        return lst
        return [l + "&nbsp;" * (self.max_line_variable - len(l)) for l in lst]

    def _yaml(self, _dump: str) -> str:
        """Dump yaml part of documentation"""
        return f"```yaml\n{_dump}\n```"

    def link_variable(
        self,
        path: str,
        true_path: str,
        description: str,
        filename: Optional[str],
    ) -> str:
        name = to_id(true_path)
        if filename:
            link = f"{filename}#{name}"
        else:
            link = f"#{name}"
        return f'"[{description}]({link})"'

    def anchor(
        self,
        path: str,
        true_path: str,
    ) -> str:
        name = to_id(true_path)
        return f'<a id="{name}" name="{name}">{path}</a>'

    def link(
        self,
        comment: str,
        link: str,
        underline: bool,
    ) -> str:
        """Add a link"""
        comment = self.prop(comment, False, False, underline)
        return f"[{comment}]({link})"

    def columns(
        self,
        col: List[str],
    ) -> None:
        """count columns length"""
        for line in col:
            for l in line.split(self.enter_tabular):
                self.max_line_variable = max(self.max_line_variable, len(l) + 1)
                self.max_line_description = self.max_line_variable

    def to_phrase(self, text: str) -> str:
        return escape(text)

    def family_informations(self):
        start = self.family_informations_starts_line()
        return start + "[!NOTE]\n" + start + "\n"

    def family_informations_ends_line(self) -> str:
        return "\\\n"

    def family_informations_starts_line(self) -> str:
        return "> "

    def display_family_informations(self, msg) -> str:
        start = self.family_informations_starts_line()
        end = self.family_informations_ends_line()
        return self.family_informations() + end.join([start + m for m in msg])