# -*- coding: utf-8 -*-
import json

def createTables(tbl_list):
    i = 0
    tbl_names_list = []
    while i < len(tbl_list):
        tbl_descr = tbl_list[i]["tableDescription"]
        tbl_name = tbl_list[i]["tableName"]
        field_list = tbl_list[i]["fieldList"][i].keys()

        tbl_names_list.append(tbl_name)

        x = 0
        # список всех полей таблицы
        qwery_create = "CREATE TABLE " + tbl_name + " ("
        qwery_select = "SELECT * FROM "
        index = ""
        while x < len(tbl_list[i]["fieldList"]):
            if tbl_list[i]["fieldList"][x]["autoIncrement"] == "yes":
                auto_increment = " AUTO_INCREMENT, "
            else:
                auto_increment = ", "
            qwery_create = qwery_create + tbl_list[i]["fieldList"][x]["fName"] + " " + \
                           tbl_list[i]["fieldList"][x]["fType"] + auto_increment

            if tbl_list[i]["fieldList"][x]["index"] == "PRIMARY KEY":
                index = "PRIMARY KEY(" + tbl_list[i]["fieldList"][x]["fName"] + ")"
            x = x + 1
        qwery_create = qwery_create + index + ");"

        #print(qwery_create)
        i = i + 1
    return tbl_names_list

def initDBstructure():
    table_list = open("tables.json", "r", encoding="utf-8")
    data = json.load(table_list, encoding="utf-8")
    tbl_list = data["tables"]
    tbl_names_list = createTables(tbl_list)
    return tbl_names_list

def selectData(table_name):
    # получаем данные из таблицы
    data_list = ("1","2","3","4","5")
    return table_name

initDBstructure()