"""Artiste (programmation) + vœux des bénévoles (artistes, postes)

Revision ID: 0006_artist_and_volunteer_wishes
Revises: 0005_drop_volunteer_tshirt_diet
Create Date: 2026-09-10

"""

from collections.abc import Sequence

import sqlalchemy as sa
from alembic import op

revision: str = "0006_artist_and_volunteer_wishes"
down_revision: str | None = "0005_drop_volunteer_tshirt_diet"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.create_table(
        "artist",
        sa.Column("created_at", sa.DateTime(), nullable=False),
        sa.Column("updated_at", sa.DateTime(), nullable=False),
        sa.Column("id", sa.Uuid(), nullable=False),
        sa.Column("edition_id", sa.Uuid(), nullable=False),
        sa.Column("name", sa.String(), nullable=False),
        sa.Column("performance_date", sa.Date(), nullable=False),
        sa.ForeignKeyConstraint(
            ["edition_id"], ["edition.id"], ondelete="CASCADE"
        ),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint(
            "edition_id", "name", "performance_date",
            name="uq_artist_edition_name_date",
        ),
    )
    op.create_index(
        op.f("ix_artist_edition_id"), "artist", ["edition_id"], unique=False
    )
    op.create_index(
        op.f("ix_artist_performance_date"),
        "artist",
        ["performance_date"],
        unique=False,
    )

    op.create_table(
        "volunteer_artist",
        sa.Column("volunteer_id", sa.Uuid(), nullable=False),
        sa.Column("artist_id", sa.Uuid(), nullable=False),
        sa.ForeignKeyConstraint(
            ["artist_id"], ["artist.id"], ondelete="CASCADE"
        ),
        sa.ForeignKeyConstraint(
            ["volunteer_id"], ["volunteer.id"], ondelete="CASCADE"
        ),
        sa.PrimaryKeyConstraint("volunteer_id", "artist_id"),
    )

    op.create_table(
        "volunteer_position_wish",
        sa.Column("volunteer_id", sa.Uuid(), nullable=False),
        sa.Column("position_id", sa.Uuid(), nullable=False),
        sa.ForeignKeyConstraint(
            ["position_id"], ["position.id"], ondelete="CASCADE"
        ),
        sa.ForeignKeyConstraint(
            ["volunteer_id"], ["volunteer.id"], ondelete="CASCADE"
        ),
        sa.PrimaryKeyConstraint("volunteer_id", "position_id"),
    )


def downgrade() -> None:
    op.drop_table("volunteer_position_wish")
    op.drop_table("volunteer_artist")
    op.drop_index(op.f("ix_artist_performance_date"), table_name="artist")
    op.drop_index(op.f("ix_artist_edition_id"), table_name="artist")
    op.drop_table("artist")