# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt

"""Text formatting drivers for ureports."""

from typing import TYPE_CHECKING, List

from pylint.reporters.ureports.base_writer import BaseWriter

if TYPE_CHECKING:
    from pylint.reporters.ureports.nodes import (
        EvaluationSection,
        Paragraph,
        Section,
        Table,
        Text,
        Title,
        VerbatimText,
    )

TITLE_UNDERLINES = ["", "=", "-", "`", ".", "~", "^"]
BULLETS = ["*", "-"]


class TextWriter(BaseWriter):
    """Format layouts as text
    (ReStructured inspiration but not totally handled yet)
    """

    def __init__(self):
        super().__init__()
        self.list_level = 0

    def visit_section(self, layout: "Section") -> None:
        """Display a section as text."""
        self.section += 1
        self.writeln()
        self.format_children(layout)
        self.section -= 1
        self.writeln()

    def visit_evaluationsection(self, layout: "EvaluationSection") -> None:
        """Display an evaluation section as a text."""
        self.section += 1
        self.format_children(layout)
        self.section -= 1
        self.writeln()

    def visit_title(self, layout: "Title") -> None:
        title = "".join(list(self.compute_content(layout)))
        self.writeln(title)
        try:
            self.writeln(TITLE_UNDERLINES[self.section] * len(title))
        except IndexError:
            print("FIXME TITLE TOO DEEP. TURNING TITLE INTO TEXT")

    def visit_paragraph(self, layout: "Paragraph") -> None:
        """Enter a paragraph."""
        self.format_children(layout)
        self.writeln()

    def visit_table(self, layout: "Table") -> None:
        """Display a table as text."""
        table_content = self.get_table_content(layout)
        # get columns width
        cols_width = [0] * len(table_content[0])
        for row in table_content:
            for index, col in enumerate(row):
                cols_width[index] = max(cols_width[index], len(col))
        self.default_table(layout, table_content, cols_width)
        self.writeln()

    def default_table(
        self, layout: "Table", table_content: List[List[str]], cols_width: List[int]
    ) -> None:
        """Format a table."""
        cols_width = [size + 1 for size in cols_width]
        format_strings = " ".join(["%%-%ss"] * len(cols_width))
        format_strings %= tuple(cols_width)

        table_linesep = "\n+" + "+".join("-" * w for w in cols_width) + "+\n"
        headsep = "\n+" + "+".join("=" * w for w in cols_width) + "+\n"

        self.write(table_linesep)
        split_strings = format_strings.split(" ")
        for index, line in enumerate(table_content):
            self.write("|")
            for line_index, at_index in enumerate(line):
                self.write(split_strings[line_index] % at_index)
                self.write("|")
            if index == 0 and layout.rheaders:
                self.write(headsep)
            else:
                self.write(table_linesep)

    def visit_verbatimtext(self, layout: "VerbatimText") -> None:
        """Display a verbatim layout as text (so difficult ;)."""
        self.writeln("::\n")
        for line in layout.data.splitlines():
            self.writeln("    " + line)
        self.writeln()

    def visit_text(self, layout: "Text") -> None:
        """Add some text."""
        self.write(f"{layout.data}")
