from abc import ABCMeta
from openpyxl import Workbook, load_workbook


class ExcelDB:

    def __init__(self, path, password=None, offset_row=0, offset_column=0):
        self._path = path
        self._pass = password
        self._offset_row = offset_row
        self._offset_column = offset_column

    def init(self):
        pass

    def save(self, model):
        wb = load_workbook(self._path)
        ws = wb[model.Meta.table]
        ws["A1"] = model.username
        wb.save(self._path)

    def create(self, model):
        wb = load_workbook(self._path)
        ws = wb[model.Meta.table]
        next_row = len(tuple(ws.rows)) + 1
        next_column = 1 + self._offset_column
        for e in model.__dict__:
            if e in ['__module__', 'Meta', '__doc__']:
                continue
            c = ws.cell(next_row, next_column)
            c.value = model.__dict__.get(e)
            next_column = next_column + 1
        wb.save(self._path)

    def read(self, model):
        wb = load_workbook(self._path)
        ws = wb[model.Meta.table]


    def create_tables(self, tables):
        wb = Workbook()
        wb.remove_sheet(wb.active)
        for t in tables:
            wb.create_sheet(t.Meta.table)
            ws = wb[t.Meta.table]
            i = 1
            for e in t.__dict__:
                if e in ['__init__', '__module__', 'Meta', '__doc__']:
                    continue
                c = ws.cell(1, i)
                c.value = t.__dict__.get(e).caption
                i = i + 1
        wb.save(self._path)