"""add payout_requests table and payout_status enum

Revision ID: 0014_add_payout_requests
Revises: 0013_add_marketplace_tables
Create Date: 2026-09-15 00:00:00.000000

docs/planning/economy.md US-5 (task f5b4684f2e65).
"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

# revision identifiers, used by Alembic.
revision: str = "0014_add_payout_requests"
down_revision: Union[str, None] = "0013_add_marketplace_tables"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None

PAYOUT_STATUSES = ("pending", "approved", "paid", "rejected")


def upgrade() -> None:
    bind = op.get_bind()
    is_pg = bind.dialect.name == "postgresql"

    if is_pg:
        payout_status_enum = postgresql.ENUM(*PAYOUT_STATUSES, name="payout_status", create_type=False)
        payout_status_enum.create(bind, checkfirst=True)
        payout_status_col = postgresql.ENUM(*PAYOUT_STATUSES, name="payout_status", create_type=False)
    else:
        payout_status_col = sa.Enum(*PAYOUT_STATUSES, name="payout_status")

    op.create_table(
        "payout_requests",
        sa.Column("id", sa.BigInteger(), autoincrement=True, nullable=False),
        sa.Column("creator_id", sa.Integer(), nullable=False),
        sa.Column("amount", sa.BigInteger(), nullable=False),
        sa.Column("status", payout_status_col, server_default="pending", nullable=False),
        sa.Column("external_ref", sa.String(length=255), nullable=True),
        sa.Column("provider_ref", sa.String(length=255), nullable=True),
        sa.Column("requested_by", sa.Integer(), nullable=False),
        sa.Column("reviewed_by", sa.Integer(), nullable=True),
        sa.Column("reviewed_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.ForeignKeyConstraint(["creator_id"], ["users.id"], ondelete="CASCADE"),
        sa.ForeignKeyConstraint(["requested_by"], ["users.id"], ondelete="CASCADE"),
        sa.ForeignKeyConstraint(["reviewed_by"], ["users.id"], ondelete="SET NULL"),
        sa.CheckConstraint("amount > 0", name="check_payout_amount_positive"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index("ix_payout_requests_creator_id", "payout_requests", ["creator_id"], unique=False)
    op.create_index("ix_payout_requests_requested_by", "payout_requests", ["requested_by"], unique=False)
    op.create_index("ix_payout_requests_reviewed_by", "payout_requests", ["reviewed_by"], unique=False)


def downgrade() -> None:
    bind = op.get_bind()
    is_pg = bind.dialect.name == "postgresql"

    op.drop_index("ix_payout_requests_reviewed_by", table_name="payout_requests")
    op.drop_index("ix_payout_requests_requested_by", table_name="payout_requests")
    op.drop_index("ix_payout_requests_creator_id", table_name="payout_requests")
    op.drop_table("payout_requests")

    if is_pg:
        op.execute("DROP TYPE IF EXISTS payout_status")