import logging
import logging.config
import os
import sys

from flask import Flask, request
from flask_bcrypt import Bcrypt
from flask_cors import CORS
from flask_sqlalchemy import SQLAlchemy

db = SQLAlchemy()
cors = CORS()
bcrypt = Bcrypt()

logging_config = {
    "version": 1,
    "formatters": {
        "json": {
            "class": "pythonjsonlogger.jsonlogger.JsonFormatter",
            "format": "%(asctime)s %(process)s %(levelname)s",
        }
    },
    "handlers": {
        "console": {
            "level": "DEBUG",
            "class": "logging.StreamHandler",
            "formatter": "json",
            "stream": sys.stderr,
        }
    },
    "root": {"level": "DEBUG", "handlers": ["console"], "propagate": True},
}

logging.config.dictConfig(logging_config)
logger = logging.getLogger(__name__)


def create_app(script_info=None):
    app = Flask(__name__)

    app_settings = os.getenv("APP_SETTINGS")
    app.config.from_object(app_settings)

    db.init_app(app)
    cors.init_app(app, resources={r"*": {"origins": "*"}})

    from src.api import api

    api.init_app(app)

    @app.shell_context_processor
    def ctx():
        return {"app": app, "db": db}

    @app.after_request
    def log_info(response):
        logging_dict = {}
        logging_dict["request"] = {"path": request.path, "status": request.method}
        logging_dict["response"] = {"status": response.status}
        logging_dict["X-API-REQUEST-ID"] = request.headers.get("x-api-request-id")
        logger.info(logging_dict)
        return response

    return app