"""App factory. Serves API + (in production) the built Vue frontend."""
import os

from flask import Flask, send_from_directory

from config import BASE_DIR, Config, UPLOAD_DIR, UPLOAD_URL_PREFIX
from extensions import db

DIST_DIR = os.path.join(BASE_DIR, "..", "frontend", "dist")


def create_app():
    app = Flask(__name__, static_folder=None)
    app.config.from_object(Config)

    os.makedirs(os.path.join(BASE_DIR, "instance"), exist_ok=True)
    db.init_app(app)
    db.app = app

    from routes import auth as auth_routes
    from routes import portal as portal_routes
    from routes import admin as admin_routes
    app.register_blueprint(auth_routes.bp)
    app.register_blueprint(portal_routes.bp)
    app.register_blueprint(admin_routes.bp)

    @app.route("/api/health")
    def health():
        return {"status": "ok"}

    # Serve uploaded files
    os.makedirs(Config.UPLOAD_FOLDER, exist_ok=True)
    @app.route(UPLOAD_URL_PREFIX + "/<path:filename>")
    def uploaded_file(filename):
        return send_from_directory(Config.UPLOAD_FOLDER, filename)

    # ---- Serve built Vue SPA in production (after `npm run build`) ----
    if os.path.isdir(DIST_DIR):
        @app.route("/", defaults={"path": ""})
        @app.route("/<path:path>")
        def spa(path):
            full = os.path.join(DIST_DIR, path)
            if path and os.path.isfile(full):
                return send_from_directory(DIST_DIR, path)
            return send_from_directory(DIST_DIR, "index.html")

    return app


app = create_app()

if __name__ == "__main__":
    with app.app_context():
        db.create_all()
        from seed import seed_all
        seed_all()
    app.run(host="0.0.0.0", port=8090, debug=False)