from flask import Blueprint, jsonify, request

from app.dao.provider_details_dao import (
    dao_get_provider_stats,
    dao_get_provider_versions,
    dao_update_provider_details,
    get_provider_details_by_id,
)
from app.dao.users_dao import get_user_by_id
from app.errors import InvalidRequest, register_errors
from app.schemas import provider_details_history_schema, provider_details_schema

provider_details = Blueprint("provider_details", __name__)
register_errors(provider_details)


@provider_details.route("", methods=["GET"])
def get_providers():
    data = dao_get_provider_stats()

    provider_details = [
        {
            "id": row.id,
            "display_name": row.display_name,
            "identifier": row.identifier,
            "notification_type": row.notification_type,
            "active": row.active,
            "updated_at": row.updated_at,
            "supports_international": row.supports_international,
            "created_by_name": row.created_by_name,
            "current_month_billable_sms": row.current_month_billable_sms,
        }
        for row in data
    ]

    return jsonify(provider_details=provider_details)


@provider_details.route("/<uuid:provider_details_id>", methods=["GET"])
def get_provider_by_id(provider_details_id):
    data = provider_details_schema.dump(get_provider_details_by_id(provider_details_id))
    return jsonify(provider_details=data)


@provider_details.route("/<uuid:provider_details_id>/versions", methods=["GET"])
def get_provider_versions(provider_details_id):
    versions = dao_get_provider_versions(provider_details_id)
    data = provider_details_history_schema.dump(versions, many=True)
    return jsonify(data=data)


@provider_details.route("/<uuid:provider_details_id>", methods=["POST"])
def update_provider_details(provider_details_id):
    valid_keys = {"priority", "created_by", "active"}
    req_json = request.get_json()

    invalid_keys = req_json.keys() - valid_keys
    if invalid_keys:
        message = "Not permitted to be updated"
        errors = {key: [message] for key in invalid_keys}
        raise InvalidRequest(errors, status_code=400)

    provider = get_provider_details_by_id(provider_details_id)

    # Handle created_by differently due to how history entry is created
    if "created_by" in req_json:
        user = get_user_by_id(req_json["created_by"])
        provider.created_by_id = user.id
        req_json.pop("created_by")

    for key in req_json:
        setattr(provider, key, req_json[key])
    dao_update_provider_details(provider)

    return jsonify(provider_details=provider_details_schema.dump(provider)), 200