import json
import logging
import pydapper

from ..schemas import model
from .. import local_db
from BreCal.database.sql_queries import SQLQuery

def GetShips(token):
    """
    No parameters, gets all entries
    """

    try:

        pooledConnection = local_db.getPoolConnection()
        commands = pydapper.using(pooledConnection)
        # query = SQLQuery.get_ships()
        # data = commands.query(query, model=model.Ship)
        data = commands.query("SELECT id, name, imo, callsign, participant_id, length, width, is_tug, bollard_pull, eni, created, modified, deleted FROM ship ORDER BY name", model=model.Ship)

        return json.dumps(data, default=model.obj_dict), 200, {'Content-Type': 'application/json; charset=utf-8'}

    except Exception as ex:
        logging.error(ex)
        print(ex)
        result = {}
        result["message"] = "call failed"
        return json.dumps(result), 500, {'Content-Type': 'application/json; charset=utf-8'}

    finally:
        if pooledConnection is not None:
            pooledConnection.close()





def PostShip(schemaModel):
    """
    :param schemaModel: The deserialized model of the record to be inserted
    """

    # TODO: Validate the incoming data

    # This creates a *new* entry
    try:

        pooledConnection = local_db.getPoolConnection()
        commands = pydapper.using(pooledConnection)

        # query = SQLQuery.create_sql_query_ship_post(schemaModel)
        query = "INSERT INTO ship ("
        isNotFirst = False
        for key in schemaModel.keys():
            if key == "id":
                continue
            if key == "created":
                continue
            if key == "modified":
                continue
            if isNotFirst:
                query += ","
            isNotFirst = True
            query += key
        query += ") VALUES ("
        isNotFirst = False
        for key in schemaModel.keys():
            if key == "id":
                continue
            if key == "created":
                continue
            if key == "modified":
                continue
            if isNotFirst:
                query += ","
            isNotFirst = True
            query += "?" + key + "?"
        query += ")"

        commands.execute(query, schemaModel)
        # nquery = SQLQuery.get_last_insert_id()
        # new_id = commands.execute_scalar(nquery)
        new_id = commands.execute_scalar("select last_insert_id()")

        pooledConnection.close()

        return json.dumps({"id" : new_id}), 201, {'Content-Type': 'application/json; charset=utf-8'}

    except Exception as ex:
        logging.error(ex)
        print(ex)
        result = {}
        result["message"] = "call failed"
        return json.dumps(result), 500, {'Content-Type': 'application/json; charset=utf-8'}


def PutShip(schemaModel):
    """
    :param schemaModel: The deserialized model of the record to be inserted
    """

    # This updates an *existing* entry
    try:

        pooledConnection = local_db.getPoolConnection()
        commands = pydapper.using(pooledConnection)

        # query = SQLQuery.create_sql_query_ship_put(schemaModel)
        query = "UPDATE ship SET "
        isNotFirst = False
        for key in schemaModel.keys():
            if key == "id":
                continue
            if key == "created":
                continue
            if key == "modified":
                continue
            if isNotFirst:
                 query += ", "
            isNotFirst = True
            query += key + " = ?" + key + "? "

        query += "WHERE id = ?id?"

        affected_rows = commands.execute(query, param=schemaModel)

        pooledConnection.close()

        return json.dumps({"id" : schemaModel["id"]}), 200, {'Content-Type': 'application/json; charset=utf-8'}

    except Exception as ex:
        logging.error(ex)
        print(ex)
        result = {}
        result["message"] = "call failed"
        return json.dumps(result), 500, {'Content-Type': 'application/json; charset=utf-8'}


def DeleteShip(options):
    """
    :param options: A dictionary containing all the paramters for the Operations
        options["id"]

    """
    try:

        pooledConnection = local_db.getPoolConnection()
        commands = pydapper.using(pooledConnection)
        # query = SQLQuery.get_ship_delete_by_id()
        # affected_rows = commands.execute(query, param={"id" : options["id"]})
        affected_rows = commands.execute("UPDATE ship SET deleted = 1 WHERE id = ?id?", param={"id" : options["id"]})

        pooledConnection.close()

        if affected_rows == 1:
            return json.dumps({"id" : options["id"]}), 200, {'Content-Type': 'application/json; charset=utf-8'}

        result = {}
        result["message"] = "no such record"
        return json.dumps(result), 404, {'Content-Type': 'application/json; charset=utf-8'}

    except Exception as ex:
        logging.error(ex)
        print(ex)
        result = {}
        result["message"] = "call failed"
        return json.dumps(result), 500, {'Content-Type': 'application/json; charset=utf-8'}