"""phase2 community: comments, reports, ratings, tags, spot_tags, spot rating columns

Revision ID: 0003
Revises: 0002
Create Date: 2026-03-27

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

revision: str = "0003"
down_revision: Union[str, None] = "0002"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column("spots", sa.Column("avg_rating", sa.Float, nullable=True))
    op.add_column("spots", sa.Column("rating_count", sa.Integer, server_default="0", nullable=False))

    op.create_table(
        "comments",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("spot_id", sa.Integer, sa.ForeignKey("spots.id"), nullable=False, index=True),
        sa.Column("user_id", sa.Integer, sa.ForeignKey("users.id"), nullable=False),
        sa.Column("parent_id", sa.Integer, sa.ForeignKey("comments.id"), nullable=True),
        sa.Column("content", sa.Text, nullable=False),
        sa.Column("audit_status", sa.String(20), server_default="approved"),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    op.create_table(
        "reports",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("reporter_id", sa.Integer, sa.ForeignKey("users.id"), nullable=False),
        sa.Column("target_type", sa.String(50), nullable=False, index=True),
        sa.Column("target_id", sa.Integer, nullable=False),
        sa.Column("reason", sa.Text, nullable=False),
        sa.Column("status", sa.String(20), server_default="pending"),
        sa.Column("handler_id", sa.Integer, sa.ForeignKey("users.id"), nullable=True),
        sa.Column("conclusion", sa.Text, nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.Column("resolved_at", sa.DateTime(timezone=True), nullable=True),
    )

    op.create_table(
        "ratings",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("spot_id", sa.Integer, sa.ForeignKey("spots.id"), nullable=False, index=True),
        sa.Column("user_id", sa.Integer, sa.ForeignKey("users.id"), nullable=False),
        sa.Column("score", sa.Integer, nullable=False),
        sa.Column("short_comment", sa.String(200), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.UniqueConstraint("user_id", "spot_id", name="uq_user_spot_rating"),
    )

    op.create_table(
        "tags",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("name", sa.String(50), unique=True, nullable=False),
        sa.Column("category", sa.String(50), nullable=True),
        sa.Column("is_active", sa.Boolean, server_default="true"),
        sa.Column("usage_count", sa.Integer, server_default="0"),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    op.create_table(
        "spot_tags",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("spot_id", sa.Integer, sa.ForeignKey("spots.id"), nullable=False),
        sa.Column("tag_id", sa.Integer, sa.ForeignKey("tags.id"), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.UniqueConstraint("spot_id", "tag_id", name="uq_spot_tag"),
    )


def downgrade() -> None:
    op.drop_table("spot_tags")
    op.drop_table("tags")
    op.drop_table("ratings")
    op.drop_table("reports")
    op.drop_table("comments")
    op.drop_column("spots", "rating_count")
    op.drop_column("spots", "avg_rating")