"""Add band_invites and song_comments tables.

Revision ID: 0003
Revises: 0002
Create Date: 2026-03-28
"""

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import UUID

revision = "0003"
down_revision = "0002"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "band_invites",
        sa.Column("id", UUID(as_uuid=True), primary_key=True),
        sa.Column("band_id", UUID(as_uuid=True), sa.ForeignKey("bands.id", ondelete="CASCADE"), nullable=False, index=True),
        sa.Column("token", sa.String(64), unique=True, nullable=False, index=True),
        sa.Column("role", sa.String(20), nullable=False, server_default="member"),
        sa.Column("created_by", UUID(as_uuid=True), sa.ForeignKey("members.id", ondelete="CASCADE"), nullable=False),
        sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("used_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("used_by", UUID(as_uuid=True), sa.ForeignKey("members.id", ondelete="SET NULL"), nullable=True),
    )

    op.create_table(
        "song_comments",
        sa.Column("id", UUID(as_uuid=True), primary_key=True),
        sa.Column("song_id", UUID(as_uuid=True), sa.ForeignKey("songs.id", ondelete="CASCADE"), nullable=False, index=True),
        sa.Column("author_id", UUID(as_uuid=True), sa.ForeignKey("members.id", ondelete="CASCADE"), nullable=False),
        sa.Column("body", sa.Text, nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
    )


def downgrade() -> None:
    op.drop_table("song_comments")
    op.drop_table("band_invites")