"""attempts

Revision ID: 002
Revises: 001
Create Date: 2026-03-21

"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "002"
down_revision: Union[str, None] = "001"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "test_attempts",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("test_id", sa.Integer(), sa.ForeignKey("tests.id"), nullable=False),
        sa.Column(
            "started_at",
            sa.DateTime(timezone=True),
            server_default=sa.text("now()"),
            nullable=False,
        ),
        sa.Column("finished_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("score", sa.Float(), nullable=True),
        sa.Column("passed", sa.Boolean(), nullable=True),
        sa.Column("correct_count", sa.Integer(), nullable=True),
        sa.Column("total_count", sa.Integer(), nullable=True),
        sa.Column("status", sa.String(20), nullable=False, server_default="in_progress"),
        sa.PrimaryKeyConstraint("id"),
    )

    op.create_table(
        "attempt_answers",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column(
            "attempt_id", sa.Integer(), sa.ForeignKey("test_attempts.id"), nullable=False
        ),
        sa.Column("question_id", sa.Integer(), sa.ForeignKey("questions.id"), nullable=False),
        sa.Column("answer_id", sa.Integer(), sa.ForeignKey("answers.id"), nullable=False),
        sa.PrimaryKeyConstraint("id"),
    )


def downgrade() -> None:
    op.drop_table("attempt_answers")
    op.drop_table("test_attempts")