################################################################################
# Copyright (C) 2023 Kostiantyn Klochko <kostya_klochko@ukr.net>               #
#                                                                              #
# This file is part of tui-rsync.                                              #
#                                                                              #
# tui-rsync is free software: you can redistribute it and/or modify it under   #
# uthe terms of the GNU General Public License as published by the Free        #
# Software Foundation, either version 3 of the License, or (at your option)    #
# any later version.                                                           #
#                                                                              #
# tui-rsync is distributed in the hope that it will be useful, but WITHOUT ANY #
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS    #
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more        #
# details.                                                                     #
#                                                                              #
# You should have received a copy of the GNU General Public License along with #
# tui-rsync. If not, see <https://www.gnu.org/licenses/>.                      #
################################################################################

from peewee import *

db = SqliteDatabase('sync.db')

class BaseModel(Model):
    class Meta:
        database = db

class Path(BaseModel):
    path = CharField(unique=True)

    def __str__(self) -> str:
        return f"{self.path}"

    def __repr__(self) -> str:
        return f"Path({self.path})"

class SyncCommand(BaseModel):
    command = CharField()

    def __str__(self) -> str:
        return self.command

class Source(BaseModel):
    label = CharField(unique=True)
    source = ForeignKeyField(Path)
    args = ForeignKeyField(SyncCommand)

    @staticmethod
    def create_save(label:str, source:str, destinations:list[str], args:str):
        src_path, _ = Path.get_or_create(path=source)
        src_sync_cmd, _ = SyncCommand.get_or_create(command=args)
        src = Source.create(
            label=label,
            source=src_path,
            destinations=[],
            args=src_sync_cmd
        )
        for destination in destinations:
            des_path, _ = Path.get_or_create(path=destination)
            src_des, _ = Destination.get_or_create(source=src, path=des_path)
        src.save()
        return src

    def __str__(self) -> str:
        return f"{self.label}"

    def __repr__(self) -> str:
        return f"{self.label}"
class Destination(BaseModel):
    source = ForeignKeyField(Source, backref='destinations')
    path = ForeignKeyField(Path)

    def __str__(self) -> str:
        return f"{self.path}"

def create_tables():
    with db:
        db.create_tables([Source, Path, Destination, SyncCommand], safe=True)

def all_labels():
    with db:
        return Source.select(Source.label)