from pathlib import Path

from app.dependencies import DependencyManager
from app.paths import AppPaths
from app.ui import ConsoleUI
from app.venv_manager import VirtualEnvManager


class AppRunner:
    def __init__(self, base_dir: Path, entry_script: Path) -> None:
        self.paths = AppPaths(base_dir=base_dir)
        self.entry_script = entry_script

    def run(self) -> None:
        ConsoleUI.headline("StFV Backup Bootstrap")

        venv = VirtualEnvManager(self.paths.venv_dir, self.entry_script)
        if not venv.in_virtualenv():
            ConsoleUI.info("Virtuelle Umgebung wird vorbereitet...")
        venv.ensure_and_reexec_if_needed()

        deps = DependencyManager(self.paths.requirements_path)
        missing = deps.install_missing()
        if missing:
            ConsoleUI.success(f"Abhaengigkeiten installiert: {', '.join(missing)}")
        else:
            ConsoleUI.info("Alle Abhaengigkeiten sind bereits installiert.")

        from app.config_store import ConfigStore
        from app.setup_wizard import SetupWizard
        from app.web_server import FlaskServer

        store = ConfigStore(self.paths.db_path)
        store.ensure_schema()

        config = store.load_config()
        if config is None:
            ConsoleUI.warn("Keine vollstaendige Konfiguration gefunden.")
            setup_data = SetupWizard().collect_initial()
            store.save_config(setup_data.config)
            store.create_user(
                setup_data.admin_username,
                setup_data.admin_password_hash,
                is_admin=True,
            )
            config = setup_data.config
            ConsoleUI.success("Konfiguration und Admin-Benutzer wurden gespeichert.")
        elif not store.has_any_user():
            ConsoleUI.warn("Keine Benutzer gefunden.")
            admin_username, admin_hash = SetupWizard().collect_admin_user()
            store.create_user(admin_username, admin_hash, is_admin=True)
            ConsoleUI.success("Admin-Benutzer wurde gespeichert.")

        ConsoleUI.success("System ist bereit.")
        ConsoleUI.info(
            f"Flask startet auf http://{config.ip}:{config.port} (debug={config.debug})"
        )
        FlaskServer(config=config, store=store).run()