"""Create calendar_members table

Revision ID: 048
Revises: 047
"""
from alembic import op
import sqlalchemy as sa

revision = "048"
down_revision = "047"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "calendar_members",
        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
        sa.Column("calendar_id", sa.Integer(), sa.ForeignKey("calendars.id", ondelete="CASCADE"), nullable=False),
        sa.Column("user_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False),
        sa.Column("invited_by", sa.Integer(), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
        sa.Column("permission", sa.String(20), nullable=False),
        sa.Column("can_add_others", sa.Boolean(), nullable=False, server_default="false"),
        sa.Column("local_color", sa.String(20), nullable=True),
        sa.Column("status", sa.String(20), nullable=False, server_default="pending"),
        sa.Column("invited_at", sa.DateTime(), nullable=False, server_default=sa.func.now()),
        sa.Column("accepted_at", sa.DateTime(), nullable=True),
        sa.UniqueConstraint("calendar_id", "user_id", name="uq_calendar_members_cal_user"),
        sa.CheckConstraint(
            "permission IN ('read_only', 'create_modify', 'full_access')",
            name="ck_calendar_members_permission",
        ),
        sa.CheckConstraint(
            "status IN ('pending', 'accepted', 'rejected')",
            name="ck_calendar_members_status",
        ),
    )
    op.create_index("ix_calendar_members_user_id", "calendar_members", ["user_id"])
    op.create_index("ix_calendar_members_calendar_id", "calendar_members", ["calendar_id"])
    op.create_index("ix_calendar_members_status", "calendar_members", ["status"])


def downgrade() -> None:
    op.drop_index("ix_calendar_members_status", table_name="calendar_members")
    op.drop_index("ix_calendar_members_calendar_id", table_name="calendar_members")
    op.drop_index("ix_calendar_members_user_id", table_name="calendar_members")
    op.drop_table("calendar_members")