# pylint: disable = missing-class-docstring
# pylint: disable = missing-function-docstring

"""
ぼざクリ DB の構成
"""

from __future__ import annotations

from datetime import date, datetime

from eloquent import Model


class Comment (Model):
    # pylint: disable = too-many-instance-attributes

    id:         int
    video_id:   int
    comment_no: int
    user_id:    int
    content:    str
    posted_at:  datetime
    nico_count: int
    vpos_ms:    int

    __timestamps__ = False

    @property
    def video (
            self,
    ) -> Video:
        return self.belongs_to (Video)

    @property
    def user (
            self,
    ) -> User:
        return self.belongs_to (User)

    def upsert (
            self,
    ) -> None:
        upsert (self, 'video_id', 'comment_no')


class Tag (Model):
    id:     int
    name:   str

    __timestamps__ = False

    @property
    def video_tags (
            self,
    ) -> VideoTag:
        return self.has_many (VideoTag)


class User (Model):
    id:     int
    code:   str

    __timestamps__ = False

    @property
    def comments (
            self,
    ) -> Comment:
        return self.has_many (Comment)


class Video (Model):
    id:             int
    code:           str
    title:          str
    description:    str
    uploaded_at:    datetime
    deleted_at:     datetime | None

    __timestamps__ = False

    @property
    def video_histories (
            self,
    ) -> VideoHistory:
        return self.has_many (VideoHistory)

    @property
    def video_tags (
            self,
    ) -> VideoTag:
        return self.has_many (VideoTag)

    @property
    def comments (
            self,
    ) -> Comment:
        return self.has_many (Comment)

    def upsert (
            self,
    ) -> None:
        upsert (self, 'code')


class VideoHistory (Model):
    id:             int
    video_id:       int
    fetched_at:     date
    views_count:    int

    __timestamps__ = False

    @property
    def video (
            self,
    ) -> Video:
        return self.belongs_to (Video)

    def upsert (
            self,
    ) -> None:
        upsert (self, 'video_id', 'fetched_at')


class VideoTag (Model):
    id:             int
    video_id:       int
    tag_id:         int
    tagged_at:      date
    untagged_at:    date | None

    __timestamps__ = False

    @property
    def video (
            self,
    ) -> Video:
        return self.belongs_to (Video)

    @property
    def tag (
            self,
    ) -> Tag:
        return self.belongs_to (Tag)

    def upsert (
            self,
    ) -> None:
        upsert (self, 'video_id', 'tag_id')


def upsert (
        model:  Model,
        *args:  str,
) -> None:
    q = model.query ()

    for arg in args:
        q = q.where (arg, getattr (model, arg))

    row = q.first ()

    if row is not None:
        model.id = row.id
        model._Model__exists = True # pylint: disable = protected-access

    model.save ()