"""新增斗鱼活动任务表

Revision ID: 20260724_0008
Revises: 20260712_0007
Create Date: 2026-07-24
"""

from collections.abc import Sequence

import sqlalchemy as sa
from alembic import op

revision: str = "20260724_0008"
down_revision: str | None = "20260712_0007"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def _has_table(bind, table_name: str) -> bool:
    return sa.inspect(bind).has_table(table_name)


def _columns(bind, table_name: str) -> set[str]:
    if not _has_table(bind, table_name):
        return set()
    return {column["name"] for column in sa.inspect(bind).get_columns(table_name)}


def _indexes(bind, table_name: str) -> set[str]:
    if not _has_table(bind, table_name):
        return set()
    return {index["name"] for index in sa.inspect(bind).get_indexes(table_name)}


def _add_column_if_missing(bind, table_name: str, column: sa.Column) -> None:
    if column.name not in _columns(bind, table_name):
        op.add_column(table_name, column)


def _create_index_if_missing(
    bind, name: str, table_name: str, columns: list[str], unique: bool = False
) -> None:
    if name not in _indexes(bind, table_name):
        op.create_index(name, table_name, columns, unique=unique)


def upgrade() -> None:
    bind = op.get_bind()

    _add_column_if_missing(
        bind, "accounts", sa.Column("uid", sa.String(length=32), nullable=True)
    )
    _add_column_if_missing(
        bind, "accounts", sa.Column("nickname", sa.String(length=128), nullable=True)
    )
    _add_column_if_missing(
        bind, "accounts", sa.Column("points", sa.Integer(), nullable=True)
    )
    _add_column_if_missing(
        bind, "accounts", sa.Column("game_name", sa.String(length=128), nullable=True)
    )
    _add_column_if_missing(
        bind,
        "accounts",
        sa.Column("game_channel", sa.String(length=128), nullable=True),
    )
    _add_column_if_missing(
        bind, "accounts", sa.Column("gold_balance", sa.Integer(), nullable=True)
    )
    _add_column_if_missing(
        bind, "accounts", sa.Column("exchange_balance", sa.Integer(), nullable=True)
    )
    _add_column_if_missing(
        bind, "accounts", sa.Column("bind_status", sa.String(length=32), nullable=True)
    )
    _add_column_if_missing(
        bind,
        "accounts",
        sa.Column("change_role_wait_time", sa.Integer(), nullable=True),
    )
    _add_column_if_missing(
        bind, "accounts", sa.Column("updated_at", sa.DateTime(), nullable=True)
    )
    _create_index_if_missing(bind, "ix_accounts_uid", "accounts", ["uid"])

    if not _has_table(bind, "douyu_tasks"):
        op.create_table(
            "douyu_tasks",
            sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
            sa.Column("batch_id", sa.String(length=64), nullable=False),
            sa.Column("account_id", sa.Integer(), nullable=False),
            sa.Column("task_type", sa.String(length=64), nullable=False),
            sa.Column("status", sa.String(length=32), nullable=True),
            sa.Column("message", sa.String(length=512), nullable=True),
            sa.Column("result", sa.JSON(), nullable=True),
            sa.Column("created_by", sa.Integer(), nullable=False),
            sa.Column("created_at", sa.DateTime(), nullable=True),
            sa.Column("finished_at", sa.DateTime(), nullable=True),
            sa.ForeignKeyConstraint(["account_id"], ["accounts.id"]),
            sa.ForeignKeyConstraint(["created_by"], ["users.id"]),
            sa.PrimaryKeyConstraint("id"),
        )
    _create_index_if_missing(
        bind, "ix_douyu_tasks_batch_id", "douyu_tasks", ["batch_id"]
    )
    _create_index_if_missing(
        bind, "ix_douyu_tasks_task_type", "douyu_tasks", ["task_type"]
    )

    if not _has_table(bind, "douyu_config"):
        op.create_table(
            "douyu_config",
            sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
            sa.Column("manual_id", sa.String(length=64), nullable=True),
            sa.Column("rid", sa.String(length=64), nullable=True),
            sa.Column("bind_act_alias", sa.String(length=64), nullable=True),
            sa.Column("confirm_act_alias", sa.String(length=64), nullable=True),
            sa.Column("legacy_act_alias", sa.String(length=64), nullable=True),
            sa.Column("room_id", sa.String(length=64), nullable=True),
            sa.Column("elite_amount", sa.Integer(), nullable=True),
            sa.Column("gold_pay_type", sa.Integer(), nullable=True),
            sa.Column("gift_id", sa.String(length=64), nullable=True),
            sa.Column("skin_id", sa.String(length=64), nullable=True),
            sa.Column("updated_at", sa.DateTime(), nullable=True),
            sa.PrimaryKeyConstraint("id"),
        )

    if not _has_table(bind, "douyu_goods_snapshot"):
        op.create_table(
            "douyu_goods_snapshot",
            sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
            sa.Column("commodity_id", sa.String(length=64), nullable=False),
            sa.Column("name", sa.String(length=256), nullable=True),
            sa.Column("score", sa.Integer(), nullable=True),
            sa.Column("status", sa.String(length=32), nullable=True),
            sa.Column("raw", sa.JSON(), nullable=True),
            sa.Column("updated_at", sa.DateTime(), nullable=True),
            sa.PrimaryKeyConstraint("id"),
        )
    _create_index_if_missing(
        bind,
        "ix_douyu_goods_snapshot_commodity_id",
        "douyu_goods_snapshot",
        ["commodity_id"],
    )


def downgrade() -> None:
    bind = op.get_bind()
    if _has_table(bind, "douyu_goods_snapshot"):
        indexes = _indexes(bind, "douyu_goods_snapshot")
        if "ix_douyu_goods_snapshot_commodity_id" in indexes:
            op.drop_index(
                "ix_douyu_goods_snapshot_commodity_id",
                table_name="douyu_goods_snapshot",
            )
        op.drop_table("douyu_goods_snapshot")
    if _has_table(bind, "douyu_config"):
        op.drop_table("douyu_config")
    if _has_table(bind, "douyu_tasks"):
        indexes = _indexes(bind, "douyu_tasks")
        if "ix_douyu_tasks_task_type" in indexes:
            op.drop_index("ix_douyu_tasks_task_type", table_name="douyu_tasks")
        if "ix_douyu_tasks_batch_id" in indexes:
            op.drop_index("ix_douyu_tasks_batch_id", table_name="douyu_tasks")
        op.drop_table("douyu_tasks")

    account_columns = _columns(bind, "accounts")
    for column in [
        "updated_at",
        "change_role_wait_time",
        "bind_status",
        "exchange_balance",
        "gold_balance",
        "game_channel",
        "game_name",
        "points",
        "nickname",
        "uid",
    ]:
        if column in account_columns:
            op.drop_column("accounts", column)