"""Jinja2 environment and shared view context."""

from __future__ import annotations

from pathlib import Path
from typing import Any

from jinja2 import Environment, FileSystemLoader, select_autoescape

from . import content


TEMPLATE_DIR = Path(__file__).resolve().parents[1] / "templates"

environment = Environment(
    loader=FileSystemLoader(str(TEMPLATE_DIR)),
    autoescape=select_autoescape(("html", "xml")),
    trim_blocks=True,
    lstrip_blocks=True,
)
environment.globals.update(
    categories=content.CATEGORIES,
    sort_options=content.SORT_OPTIONS,
    status_options=content.STATUS_OPTIONS,
    difficulty_options=content.DIFFICULTY_OPTIONS,
    language_labels=content.LANGUAGE_LABELS,
    all_topics=content.ALL_TOPICS,
    all_languages=content.ALL_LANGUAGES,
)
environment.filters["language_label"] = content.language_label
environment.filters["difficulty_label"] = content.difficulty_label
environment.filters["category_label"] = content.category_label
environment.filters["sort_label"] = content.sort_label


def render(name: str, **context: Any) -> str:
    return environment.get_template(name).render(**context)