"""contracts-flask v2.0 — полный перенос с ВМ на Flask.
Больше никаких прокси на contracts.kube5s.ru — всё локально.
"""
import sys, os, hmac
# site/ в sys.path — импортируем модули напрямую, без префиксов
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
# корень репо — для переиспользуемого модуля upload/ (как в drhider)
_REPO_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
if _REPO_ROOT not in sys.path:
    sys.path.insert(0, _REPO_ROOT)

from flask import Flask, jsonify, request
from config import VERSION, MAX_CONTENT_LENGTH, API_KEY
from routes import register_routes


def create_app():
    app = Flask(__name__)
    app.config["VERSION"] = VERSION
    app.config["MAX_CONTENT_LENGTH"] = MAX_CONTENT_LENGTH
    app.config["API_KEY"] = API_KEY

    _init_db()
    register_routes(app)

    @app.before_request
    def authorize_request():
        if request.endpoint == "health.health":
            return None
        key = app.config.get("API_KEY", "")
        if not key:
            return jsonify(ok=False, error="application API_KEY is not configured"), 503
        if "X-API-Key" in request.headers:
            supplied = request.headers.get("X-API-Key", "")
        else:
            authorization = request.authorization
            supplied = authorization.password if authorization and authorization.type.lower() == "basic" else ""
        if not hmac.compare_digest((supplied or "").encode("utf-8"), key.encode("utf-8")):
            return jsonify(ok=False, error="unauthorized"), 401, {
                "WWW-Authenticate": 'Basic realm="Contracts", charset="UTF-8"',
            }
        return None

    @app.after_request
    def no_cache(response):
        response.headers["Cache-Control"] = "no-cache, no-store, must-revalidate"
        response.headers["Pragma"] = "no-cache"
        response.headers["Expires"] = "0"
        return response

    return app


def _init_db():
    """Создать БД + схему + seed prompts. SQLite — всё в одном файле /tmp."""
    from db.connection import init_db
    init_db()
    try:
        from db import prompts as db_prompts
        db_prompts.seed_defaults()
    except Exception:
        pass


app = create_app()

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=5000, threaded=True)