from __future__ import annotations

from collections.abc import Generator
from typing import TYPE_CHECKING, Any, cast, final

from pydantic import Field, model_serializer
from pydantic.dataclasses import dataclass
from pydantic_core.core_schema import SerializerFunctionWrapHandler

from docker_compose.domain.env.env_row import EnvRow

if TYPE_CHECKING:
    from docker_compose.domain.paths.src import SrcPaths


@final
@dataclass(slots=True)
class EnvData:
    src_paths: SrcPaths
    data: tuple[EnvRow, ...] = Field(init=False)

    def __post_init__(self):
        self.data = tuple(self.lines)

    @property
    def lines(self) -> Generator[EnvRow]:
        with self.src_paths.env_file.open(mode="rt") as f:
            for line in f:
                if line.startswith("#"):
                    continue
                yield EnvRow.from_str(self, line)

    @model_serializer(mode="wrap")
    def serialize_model(self, handler: SerializerFunctionWrapHandler) -> list[str]:
        return cast(dict[str, Any], handler(self))["data"]  # pyright: ignore[reportAny]