# app/templates_config.py
"""
Shared Jinja2 templates configuration.

All route modules should import `templates` from here to ensure
consistent globals (like translation function) are available.
"""
from pathlib import Path

from fastapi.templating import Jinja2Templates

from app.utils.i18n import (
    LANGUAGE_FLAGS,
    LANGUAGE_NAMES,
    SUPPORTED_LANGUAGES,
    DEFAULT_LANGUAGE,
    create_translation_context,
)

# Templates directory
TEMPLATES_DIR = Path(__file__).parent / "templates"

# Create shared templates instance
templates = Jinja2Templates(directory=str(TEMPLATES_DIR))

# Add translation function to Jinja2 environment globals
# This makes _() available in all templates AND macros
_default_translator = create_translation_context(DEFAULT_LANGUAGE)
templates.env.globals["_"] = _default_translator
templates.env.globals["t"] = _default_translator  # Alias
templates.env.globals["SUPPORTED_LANGUAGES"] = SUPPORTED_LANGUAGES
templates.env.globals["DEFAULT_LANGUAGE"] = DEFAULT_LANGUAGE
templates.env.globals["LANGUAGE_NAMES"] = LANGUAGE_NAMES
templates.env.globals["LANGUAGE_FLAGS"] = LANGUAGE_FLAGS