from __future__ import annotations

from dataclasses import dataclass, field


class IrNode:
    pass


@dataclass
class Text(IrNode):
    content: str


@dataclass
class Bold(IrNode):
    children: list[IrNode] = field(default_factory=list)


@dataclass
class Italic(IrNode):
    children: list[IrNode] = field(default_factory=list)


@dataclass
class BoldItalic(IrNode):
    children: list[IrNode] = field(default_factory=list)


@dataclass
class Strikethrough(IrNode):
    children: list[IrNode] = field(default_factory=list)


@dataclass
class InlineCode(IrNode):
    code: str


@dataclass
class CodeBlock(IrNode):
    code: str
    language: str | None = None


@dataclass
class Link(IrNode):
    url: str
    children: list[IrNode] = field(default_factory=list)


@dataclass
class Image(IrNode):
    url: str
    alt: str = ""


@dataclass
class Heading(IrNode):
    level: int
    children: list[IrNode] = field(default_factory=list)


@dataclass
class Paragraph(IrNode):
    children: list[IrNode] = field(default_factory=list)


@dataclass
class BlockQuote(IrNode):
    children: list[IrNode] = field(default_factory=list)


@dataclass
class ListItem(IrNode):
    children: list[IrNode] = field(default_factory=list)


@dataclass
class UnorderedList(IrNode):
    items: list[ListItem] = field(default_factory=list)
    marker: str = "-"


@dataclass
class OrderedList(IrNode):
    items: list[ListItem] = field(default_factory=list)
    start: int = 1


@dataclass
class ThematicBreak(IrNode):
    pass


@dataclass
class LineBreak(IrNode):
    pass


@dataclass
class TableCell(IrNode):
    children: list[IrNode] = field(default_factory=list)
    align: str | None = None


@dataclass
class TableRow(IrNode):
    cells: list[TableCell] = field(default_factory=list)
    is_header: bool = False


@dataclass
class Table(IrNode):
    header: TableRow | None = None
    rows: list[TableRow] = field(default_factory=list)


@dataclass
class Document(IrNode):
    children: list[IrNode] = field(default_factory=list)