"""Add operational project integrations and project-fit evidence.

Revision ID: 20260826_0016
Revises: 20260826_0015
"""

from collections.abc import Sequence

import sqlalchemy as sa

from alembic import op

revision: str = "20260826_0016"
down_revision: str | None = "20260826_0015"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.add_column("service_clients", sa.Column("project_binding_id", sa.Uuid(), nullable=True))
    op.add_column("service_clients", sa.Column("integration_environment", sa.String(32), nullable=True))
    op.add_column("service_clients", sa.Column("purpose", sa.Text(), nullable=True))
    op.create_foreign_key(
        "fk_service_clients_project_binding",
        "service_clients",
        "project_bindings",
        ["project_binding_id"],
        ["id"],
        ondelete="RESTRICT",
    )
    op.create_index("ix_service_clients_project_binding_id", "service_clients", ["project_binding_id"])
    op.create_table(
        "project_fit_evidence",
        sa.Column("id", sa.Uuid(), nullable=False),
        sa.Column("project_binding_id", sa.Uuid(), nullable=False),
        sa.Column("capability_deployment_id", sa.Uuid(), nullable=True),
        sa.Column("environment", sa.String(32), nullable=False),
        sa.Column("recommendation", sa.String(32), nullable=False),
        sa.Column("case_count", sa.Integer(), nullable=False),
        sa.Column("metric_values", sa.JSON(), nullable=False),
        sa.Column("critical_errors", sa.Integer(), nullable=False),
        sa.Column("blockers", sa.JSON(), nullable=False),
        sa.Column("evidence_digest", sa.String(64), nullable=False),
        sa.Column("evidence", sa.JSON(), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
        sa.ForeignKeyConstraint(["project_binding_id"], ["project_bindings.id"], ondelete="RESTRICT"),
        sa.ForeignKeyConstraint(["capability_deployment_id"], ["capability_deployments.id"], ondelete="SET NULL"),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint("evidence_digest", name="uq_project_fit_evidence_digest"),
    )
    op.create_index("ix_project_fit_evidence_project_binding_id", "project_fit_evidence", ["project_binding_id"])
    op.create_index("ix_project_fit_evidence_capability_deployment_id", "project_fit_evidence", ["capability_deployment_id"])
    op.create_index("ix_project_fit_evidence_recommendation", "project_fit_evidence", ["recommendation"])


def downgrade() -> None:
    op.drop_index("ix_project_fit_evidence_recommendation", table_name="project_fit_evidence")
    op.drop_index("ix_project_fit_evidence_capability_deployment_id", table_name="project_fit_evidence")
    op.drop_index("ix_project_fit_evidence_project_binding_id", table_name="project_fit_evidence")
    op.drop_table("project_fit_evidence")
    op.drop_index("ix_service_clients_project_binding_id", table_name="service_clients")
    op.drop_constraint("fk_service_clients_project_binding", "service_clients", type_="foreignkey")
    op.drop_column("service_clients", "purpose")
    op.drop_column("service_clients", "integration_environment")
    op.drop_column("service_clients", "project_binding_id")