"""payment fields and webhook idempotency

Revision ID: 20260404_0008
Revises: 20260404_0007
"""

from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "20260404_0008"
down_revision: Union[str, None] = "20260404_0007"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.alter_column(
        "orders",
        "payment_reference",
        existing_type=sa.String(length=64),
        type_=sa.String(length=128),
        existing_nullable=True,
    )
    op.add_column("orders", sa.Column("provider_order_id", sa.String(length=64), nullable=True))
    op.add_column("orders", sa.Column("provider_payment_id", sa.String(length=64), nullable=True))
    op.add_column("orders", sa.Column("idempotency_key", sa.String(length=64), nullable=True))
    op.add_column("orders", sa.Column("expires_at", sa.DateTime(timezone=True), nullable=True))
    op.create_index(op.f("ix_orders_provider_order_id"), "orders", ["provider_order_id"], unique=True)
    op.create_index(op.f("ix_orders_provider_payment_id"), "orders", ["provider_payment_id"], unique=False)
    op.create_index(op.f("ix_orders_idempotency_key"), "orders", ["idempotency_key"], unique=True)
    op.create_index(op.f("ix_orders_expires_at"), "orders", ["expires_at"], unique=False)

    op.create_table(
        "payment_webhook_events",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("provider", sa.String(length=32), nullable=False),
        sa.Column("provider_event_id", sa.String(length=128), nullable=False),
        sa.Column("event_type", sa.String(length=64), nullable=False),
        sa.Column("payload", sa.Text(), nullable=False),
        sa.Column("processed_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint("provider_event_id"),
    )
    op.create_index(op.f("ix_payment_webhook_events_provider"), "payment_webhook_events", ["provider"], unique=False)
    op.create_index(
        op.f("ix_payment_webhook_events_provider_event_id"),
        "payment_webhook_events",
        ["provider_event_id"],
        unique=True,
    )


def downgrade() -> None:
    op.drop_index(op.f("ix_payment_webhook_events_provider_event_id"), table_name="payment_webhook_events")
    op.drop_index(op.f("ix_payment_webhook_events_provider"), table_name="payment_webhook_events")
    op.drop_table("payment_webhook_events")
    op.drop_index(op.f("ix_orders_expires_at"), table_name="orders")
    op.drop_index(op.f("ix_orders_idempotency_key"), table_name="orders")
    op.drop_index(op.f("ix_orders_provider_payment_id"), table_name="orders")
    op.drop_index(op.f("ix_orders_provider_order_id"), table_name="orders")
    op.drop_column("orders", "expires_at")
    op.drop_column("orders", "idempotency_key")
    op.drop_column("orders", "provider_payment_id")
    op.drop_column("orders", "provider_order_id")
    op.alter_column(
        "orders",
        "payment_reference",
        existing_type=sa.String(length=128),
        type_=sa.String(length=64),
        existing_nullable=True,
    )