"""init

Revision ID: 932121e6b220
Revises:
Create Date: 2025-06-22 11:52:49.691545

"""

from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


revision: str = "932121e6b220"
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    op.create_table(
        "users",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("username", sa.String(length=30), nullable=False),
        sa.Column("telegram_id", sa.BigInteger(), nullable=True),
        sa.Column("avatar_path", sa.String(length=255), nullable=True),
        sa.Column("email", sa.String(length=320), nullable=False),
        sa.Column("hashed_password", sa.String(length=1024), nullable=False),
        sa.Column("is_active", sa.Boolean(), nullable=False),
        sa.Column("is_superuser", sa.Boolean(), nullable=False),
        sa.Column("is_verified", sa.Boolean(), nullable=False),
        sa.Column(
            "created_at",
            sa.TIMESTAMP(timezone=True),
            server_default=sa.text("(CURRENT_TIMESTAMP)"),
            nullable=False,
        ),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(op.f("ix_users_email"), "users", ["email"], unique=True)
    op.create_index(op.f("ix_users_username"), "users", ["username"], unique=True)
    op.create_table(
        "tasks",
        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
        sa.Column("user_id", sa.Integer(), nullable=False),
        sa.Column("title", sa.String(length=100), nullable=False),
        sa.Column("description", sa.Text(), nullable=True),
        sa.Column("due_date", sa.Date(), nullable=True),
        sa.Column(
            "status",
            sa.Enum("open", "closed", "in_progress", "todo", name="status_enum"),
            nullable=False,
        ),
        sa.CheckConstraint(
            "status IN ('open', 'closed', 'in_progress', 'todo')", name="ck_status_enum"
        ),
        sa.Column(
            "priority",
            sa.Enum("low", "medium", "high", "critical", name="priority_enum"),
            nullable=False,
        ),
        sa.CheckConstraint(
            "priority in ('low', 'medium', 'high', 'critical')", name="ck_priority_enum"
        ),
        sa.Column("time_spent", sa.Integer(), nullable=False),
        sa.Column(
            "created_at",
            sa.TIMESTAMP(timezone=True),
            server_default=sa.text("(CURRENT_TIMESTAMP)"),
            nullable=False,
        ),
        sa.ForeignKeyConstraint(
            ["user_id"],
            ["users.id"],
        ),
        sa.PrimaryKeyConstraint("id"),
    )


def downgrade() -> None:
    """Downgrade schema."""
    op.drop_table("tasks")
    op.drop_index(op.f("ix_users_username"), table_name="users")
    op.drop_index(op.f("ix_users_email"), table_name="users")
    op.drop_table("users")