"""留言区微信化：回复（reply_to）+ 评论点赞（like_count / comment_likes）

Revision ID: 0025_comment_reply_like
Revises: 0024_content_share_count
Create Date: 2026-08-28
"""
from __future__ import annotations

import sqlalchemy as sa
from alembic import op

revision = "0025_comment_reply_like"
down_revision = "0024_content_share_count"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.add_column("content_comments", sa.Column("reply_to", sa.String(), nullable=False, server_default=""))
    op.add_column("content_comments", sa.Column("like_count", sa.Integer(), nullable=False, server_default="0"))
    op.create_table(
        "content_comment_likes",
        sa.Column("id", sa.String(), primary_key=True),
        sa.Column("comment_id", sa.String(), nullable=False, server_default="", index=True),
        sa.Column("user_id", sa.String(), nullable=False, server_default="", index=True),
        sa.Column("created_at", sa.String(), nullable=False, server_default=""),
    )


def downgrade() -> None:
    op.drop_table("content_comment_likes")
    op.drop_column("content_comments", "like_count")
    op.drop_column("content_comments", "reply_to")