"""Add LogLevel and LogStatus enums and logs table

Revision ID: 12
Revises: 11
"""

from collections.abc import Sequence

from alembic import op

# revision identifiers, used by Alembic.
revision: str = "12"
down_revision: str | None = "11"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    """Upgrade schema - add LogLevel and LogStatus enums and logs table."""

    # Create LogLevel enum
    op.execute("""
        CREATE TYPE loglevel AS ENUM ('DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL')
    """)

    # Create LogStatus enum
    op.execute("""
        CREATE TYPE logstatus AS ENUM ('IN_PROGRESS', 'SUCCESS', 'FAILED')
    """)

    # Create logs table
    op.execute("""
        CREATE TABLE logs (
            id SERIAL PRIMARY KEY,
            created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
            level loglevel NOT NULL,
            status logstatus NOT NULL,
            message TEXT NOT NULL,
            source VARCHAR(200),
            log_metadata JSONB DEFAULT '{}',
            search_space_id INTEGER NOT NULL REFERENCES searchspaces(id) ON DELETE CASCADE
        )
    """)

    # Create indexes
    op.create_index(op.f("ix_logs_id"), "logs", ["id"], unique=False)
    op.create_index(op.f("ix_logs_created_at"), "logs", ["created_at"], unique=False)
    op.create_index(op.f("ix_logs_level"), "logs", ["level"], unique=False)
    op.create_index(op.f("ix_logs_status"), "logs", ["status"], unique=False)
    op.create_index(op.f("ix_logs_source"), "logs", ["source"], unique=False)


def downgrade() -> None:
    """Downgrade schema - remove logs table and enums."""

    # Drop indexes
    op.drop_index(op.f("ix_logs_source"), table_name="logs")
    op.drop_index(op.f("ix_logs_status"), table_name="logs")
    op.drop_index(op.f("ix_logs_level"), table_name="logs")
    op.drop_index(op.f("ix_logs_created_at"), table_name="logs")
    op.drop_index(op.f("ix_logs_id"), table_name="logs")

    # Drop logs table
    op.drop_table("logs")

    # Drop enums
    op.execute("DROP TYPE IF EXISTS logstatus")
    op.execute("DROP TYPE IF EXISTS loglevel")