from __future__ import annotations

from govoplan_core.core.workflows import WorkflowDefinitionContribution


def function_assignment_workflow_definitions(
    *,
    module_version: str,
) -> tuple[WorkflowDefinitionContribution, ...]:
    return (
        _contribution(
            module_version=module_version,
            definition_key="function-assignment-request",
            name="Request an organization function",
            description=(
                "Governed holder, authority, and optional recipient decisions "
                "for a self-requested organization function assignment."
            ),
            kind="request",
        ),
        _contribution(
            module_version=module_version,
            definition_key="function-assignment-grant",
            name="Bestow an organization function",
            description=(
                "Governed holder, authority, and recipient decisions for an "
                "organization function grant."
            ),
            kind="grant",
        ),
    )


def _contribution(
    *,
    module_version: str,
    definition_key: str,
    name: str,
    description: str,
    kind: str,
) -> WorkflowDefinitionContribution:
    return WorkflowDefinitionContribution(
        origin_module_id="idm",
        origin_module_version=module_version,
        definition_key=definition_key,
        name=name,
        description=description,
        graph=_graph(kind=kind),
        scope_type="system",
        inherit_to_lower_scopes=True,
        allow_start=True,
        allow_reuse=False,
        allow_automation=False,
        execution_mode="guided",
        activate_on_install=True,
        metadata={
            "domain": "idm.function_assignment_change",
            "change_kind": kind,
            "state_owner": "idm",
        },
        policy_metadata={
            "governance_capability": ("policy.functionAssignmentGovernance"),
        },
    )


def _graph(*, kind: str) -> dict[str, object]:
    return {
        "schema_version": 1,
        "nodes": [
            {
                "id": "start",
                "type": "workflow.start.manual",
                "label": "Submitted",
                "position": {"x": 20, "y": 120},
                "config": {
                    "input_schema_ref": (f"govoplan/idm/function-assignment-{kind}.v1"),
                },
            },
            {
                "id": "holder_review",
                "type": "workflow.review",
                "label": "Holder review",
                "position": {"x": 230, "y": 120},
                "config": {
                    "title": "Holder review",
                    "reviewer": "effective-holder",
                    "required_evidence": [],
                    "view_surface_ids": [
                        "idm.action.view-function-assignments",
                    ],
                },
            },
            {
                "id": "authority_review",
                "type": "workflow.review",
                "label": "Authority clearance",
                "position": {"x": 470, "y": 120},
                "config": {
                    "title": "Authority clearance",
                    "reviewer": "designated-authority",
                    "required_evidence": [],
                    "view_surface_ids": [
                        "idm.action.view-function-assignments",
                    ],
                },
            },
            {
                "id": "recipient_review",
                "type": "workflow.review",
                "label": "Recipient acceptance",
                "position": {"x": 730, "y": 120},
                "config": {
                    "title": "Recipient acceptance",
                    "reviewer": "candidate",
                    "required_evidence": [],
                    "view_surface_ids": [
                        "idm.action.view-function-assignments",
                    ],
                },
            },
            {
                "id": "completed",
                "type": "workflow.end.completed",
                "label": "Approved",
                "position": {"x": 990, "y": 70},
                "config": {"output_mapping": {}},
            },
            {
                "id": "rejected",
                "type": "workflow.end.cancelled",
                "label": "Rejected",
                "position": {"x": 990, "y": 230},
                "config": {"reason": "Function assignment change rejected"},
            },
        ],
        "edges": [
            {
                "id": "start-holder",
                "source": "start",
                "target": "holder_review",
            },
            {
                "id": "holder-authority",
                "source": "holder_review",
                "source_port": "approved",
                "target": "authority_review",
            },
            {
                "id": "holder-rejected",
                "source": "holder_review",
                "source_port": "rejected",
                "target": "rejected",
            },
            {
                "id": "authority-recipient",
                "source": "authority_review",
                "source_port": "approved",
                "target": "recipient_review",
            },
            {
                "id": "authority-rejected",
                "source": "authority_review",
                "source_port": "rejected",
                "target": "rejected",
            },
            {
                "id": "recipient-completed",
                "source": "recipient_review",
                "source_port": "approved",
                "target": "completed",
            },
            {
                "id": "recipient-rejected",
                "source": "recipient_review",
                "source_port": "rejected",
                "target": "rejected",
            },
        ],
        "metadata": {
            "notation": "govoplan.workflow.native",
            "domain": "idm.function_assignment_change",
            "change_kind": kind,
            "optional_steps": [
                "holder_review",
                "authority_review",
                "recipient_review",
            ],
        },
    }


__all__ = ["function_assignment_workflow_definitions"]