# Copyright © 2017 Tom Hacohen
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, version 3.
#
# This library 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 this program. If not, see <http://www.gnu.org/licenses/>.

import peewee as pw

from . import db


class Config(db.BaseModel):
    db_version = pw.IntegerField()


class User(db.BaseModel):
    username = pw.CharField(unique=True, null=False)


class JournalEntity(db.BaseModel):
    local_user = pw.ForeignKeyField(User, backref='journals')
    version = pw.IntegerField()
    uid = pw.CharField(null=False, index=True)
    owner = pw.CharField(null=True)
    encrypted_key = pw.BlobField(null=True)
    content = pw.BlobField()
    new = pw.BooleanField(null=False, default=False)
    dirty = pw.BooleanField(null=False, default=False)
    deleted = pw.BooleanField(null=False, default=False)
    read_only = pw.BooleanField(null=False, default=False)
    remote_last_uid = pw.CharField(null=True, default=None)

    class Meta:
        indexes = (
            (('local_user', 'uid'), True),
        )


class EntryEntity(db.BaseModel):
    journal = pw.ForeignKeyField(JournalEntity, backref='entries')
    uid = pw.CharField(null=False, index=True)
    content = pw.BlobField()
    new = pw.BooleanField(null=False, default=False)

    class Meta:
        indexes = (
            (('journal', 'uid'), True),
        )
        order_by = ('id', )


class UserInfo(db.BaseModel):
    user = pw.ForeignKeyField(User, primary_key=True, backref='user_info')
    pubkey = pw.BlobField(null=False)
    content = pw.BlobField(null=False)