"""
Base setup for views, containing shared functionality and imports.
"""
from fastapi import APIRouter, Request, Depends, HTTPException
from fastapi.templating import Jinja2Templates
from pathlib import Path
from sqlalchemy.orm import Session
import logging

from app.auth import require_login
from app.database import SessionLocal
from app.config import settings

# Set up Jinja2 templates
templates_dir = Path(__file__).parent.parent.parent / "frontend" / "templates"
templates = Jinja2Templates(directory=str(templates_dir))

# Add Python built-in functions to Jinja2 template globals
templates.env.globals["min"] = min
templates.env.globals["max"] = max

# Customize Jinja2Templates to include app_version in all templates
original_template_response = templates.TemplateResponse

def template_response_with_version(*args, **kwargs):
    """Wrapper for TemplateResponse to include version in all templates"""
    # If context dict is provided, add version to it
    if len(args) >= 2 and isinstance(args[1], dict):
        args[1].setdefault("version", settings.version)
    elif "context" in kwargs and isinstance(kwargs["context"], dict):
        kwargs["context"].setdefault("version", settings.version)
    return original_template_response(*args, **kwargs)

templates.TemplateResponse = template_response_with_version

# Set up logging
logger = logging.getLogger(__name__)

def get_db():
    """
    Dependency to get a database session.
    """
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()