from fastapi import FastAPI
from contextlib import asynccontextmanager
from fastapi.staticfiles import StaticFiles
from app.services.markdown_processor import MarkdownProcessor
from app.services.metadata_processor import MetadataProcessor
from app.controllers.dynamic_controller import DynamicController
from app.controllers.category_controller import CategoryController


class Application:
    def __init__(self):
        """Initialize the FastAPI app and configure it."""
        self.app = FastAPI(lifespan=self._lifespan_event)
        self._setup_static_files()
        self._include_routers()

    @asynccontextmanager
    async def _lifespan_event(self, app: FastAPI):
        """Lifespan event for startup and shutdown logic."""
        print("App startup: Processing Markdown files...")
        # Generate dynamic JSON data
        metadata_processor = MetadataProcessor(input_dir="./data", output_file="generated_data.json")
        metadata_processor.generate_json()
        print("Generated dynamic data file.")
        print("Markdown processing complete!")

        # Process Markdown files into HTML
        processor = MarkdownProcessor(input_dir="./data", templates_dir="./templates")
        processor.run()
        yield
        print("App shutdown: Cleanup complete.")

    def _setup_static_files(self):
        """Mount static file directories."""
        self.app.mount("/data", StaticFiles(directory="data"), name="data")
        self.app.mount("/static", StaticFiles(directory="static"), name="static")

    def _include_routers(self):
        """Include all route controllers."""
        category_controller = CategoryController()
        dynamic_controller = DynamicController( "./data" )


        self.app.include_router( category_controller.router )
        self.app.include_router( dynamic_controller.router )



    def get_app(self):
        """Return the FastAPI app instance."""
        return self.app


application = Application()
app = application.get_app()