"""add multi-owner review contract projections and immutable receipts

Revision ID: c9e5a1b3d7f2
Revises: b8d4f0a2c6e1
Create Date: 2026-08-22
"""

import sqlalchemy as sa
from alembic import op
from sqlalchemy.dialects.postgresql import JSONB, UUID

revision = "c9e5a1b3d7f2"
down_revision = "b8d4f0a2c6e1"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "review_contracts",
        sa.Column("id", UUID(as_uuid=True), primary_key=True),
        sa.Column("contract_key", sa.String(160), nullable=False),
        sa.Column("schema_version", sa.String(40), nullable=False),
        sa.Column("contract_digest", sa.String(64), nullable=False, unique=True),
        sa.Column("source_repo", sa.String(100), nullable=False),
        sa.Column("source_path", sa.Text(), nullable=False),
        sa.Column("source_revision", sa.String(64), nullable=False),
        sa.Column("document", JSONB(), nullable=False),
        sa.Column("active", sa.Boolean(), nullable=False, server_default=sa.true()),
        sa.Column(
            "required_for_decision",
            sa.Boolean(),
            nullable=False,
            server_default=sa.false(),
        ),
        sa.Column(
            "decision_id",
            UUID(as_uuid=True),
            sa.ForeignKey("decisions.id", ondelete="RESTRICT"),
            nullable=True,
        ),
        sa.Column(
            "workplan_id",
            UUID(as_uuid=True),
            sa.ForeignKey("workplans.id", ondelete="RESTRICT", onupdate="CASCADE"),
            nullable=True,
        ),
        sa.Column(
            "task_id",
            UUID(as_uuid=True),
            sa.ForeignKey("tasks.id", ondelete="RESTRICT", onupdate="CASCADE"),
            nullable=True,
        ),
        sa.Column("projected_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column(
            "created_at",
            sa.DateTime(timezone=True),
            server_default=sa.text("now()"),
            nullable=False,
        ),
        sa.Column(
            "updated_at",
            sa.DateTime(timezone=True),
            server_default=sa.text("now()"),
            nullable=False,
        ),
        sa.UniqueConstraint(
            "contract_key",
            "source_repo",
            "source_path",
            "source_revision",
            name="uq_review_contract_source_revision",
        ),
    )
    op.create_index(
        "ix_review_contracts_contract_key", "review_contracts", ["contract_key"]
    )
    op.create_index("ix_review_contracts_active", "review_contracts", ["active"])
    op.create_index(
        "ix_review_contract_key_active", "review_contracts", ["contract_key", "active"]
    )
    op.create_index(
        "ix_review_contracts_decision_id", "review_contracts", ["decision_id"]
    )
    op.create_index(
        "ix_review_contracts_workplan_id", "review_contracts", ["workplan_id"]
    )
    op.create_index("ix_review_contracts_task_id", "review_contracts", ["task_id"])

    op.create_table(
        "review_receipts",
        sa.Column("id", UUID(as_uuid=True), primary_key=True),
        sa.Column(
            "contract_id",
            UUID(as_uuid=True),
            sa.ForeignKey("review_contracts.id", ondelete="RESTRICT"),
            nullable=False,
        ),
        sa.Column("owner_id", sa.String(160), nullable=False),
        sa.Column("actor", sa.String(160), nullable=False),
        sa.Column("disposition", sa.String(32), nullable=False),
        sa.Column("contract_digest", sa.String(64), nullable=False),
        sa.Column("receipt_digest", sa.String(64), nullable=False, unique=True),
        sa.Column("artifact_hashes", JSONB(), nullable=False),
        sa.Column("assertion_ids", JSONB(), nullable=False),
        sa.Column("checks", JSONB(), nullable=False),
        sa.Column("note", sa.Text(), nullable=True),
        sa.Column("source_repo", sa.String(100), nullable=False),
        sa.Column("source_path", sa.Text(), nullable=False),
        sa.Column("source_revision", sa.String(64), nullable=False),
        sa.Column("submitted_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("document", JSONB(), nullable=False),
        sa.Column(
            "created_at",
            sa.DateTime(timezone=True),
            server_default=sa.text("now()"),
            nullable=False,
        ),
        sa.Column(
            "updated_at",
            sa.DateTime(timezone=True),
            server_default=sa.text("now()"),
            nullable=False,
        ),
        sa.UniqueConstraint(
            "source_repo",
            "source_path",
            "source_revision",
            name="uq_review_receipt_source_revision",
        ),
    )
    op.create_index(
        "ix_review_receipts_contract_id", "review_receipts", ["contract_id"]
    )
    op.create_index("ix_review_receipts_owner_id", "review_receipts", ["owner_id"])
    op.create_index(
        "ix_review_receipts_contract_digest", "review_receipts", ["contract_digest"]
    )
    op.create_index(
        "ix_review_receipts_submitted_at", "review_receipts", ["submitted_at"]
    )
    op.create_index(
        "ix_review_receipt_contract_owner_time",
        "review_receipts",
        ["contract_id", "owner_id", "submitted_at"],
    )


def downgrade() -> None:
    op.drop_table("review_receipts")
    op.drop_table("review_contracts")