const workflowRoutes = require("../../../src/routes/workflow");

describe("Workflow Route Permissions", () => {
  const { listAllowedActionsForTask, parseTaskListQuery } = workflowRoutes.__testables;

  it("allows leave approvers to act on leave tasks", () => {
    const actions = listAllowedActionsForTask(
      { employee: { permissionCodes: ["leave.approve"] } },
      {
        status: "pending",
        workflow_instance: { entity_type: "leave" },
      },
      true,
    );

    expect(actions).toEqual(["approve", "reject", "return"]);
  });

  it("does not allow expense approvers to act on leave tasks without leave.approve", () => {
    const actions = listAllowedActionsForTask(
      { employee: { permissionCodes: ["expense.approve"] } },
      {
        status: "pending",
        workflow_instance: { entity_type: "leave" },
      },
      true,
    );

    expect(actions).toEqual([]);
  });

  it("allows procurement approvers to act on purchase tasks", () => {
    const actions = listAllowedActionsForTask(
      { employee: { permissionCodes: ["procurement.approve"] } },
      {
        status: "pending",
        workflow_instance: { entity_type: "purchase_request" },
      },
      true,
    );

    expect(actions).toEqual(["approve", "reject", "return"]);
  });

  it("allows travel approvers to act on travel tasks", () => {
    const actions = listAllowedActionsForTask(
      { employee: { permissionCodes: ["travel.approve"] } },
      {
        status: "pending",
        workflow_instance: { entity_type: "travel_request" },
      },
      true,
    );

    expect(actions).toEqual(["approve", "reject", "return"]);
  });

  it("allows transfer on approval tasks when actor also has expense.transfer", () => {
    const reimbursementActions = listAllowedActionsForTask(
      { employee: { permissionCodes: ["expense.approve", "expense.transfer"] } },
      {
        status: "pending",
        workflow_instance: { entity_type: "reimbursement" },
      },
      true,
    );
    const leaveActions = listAllowedActionsForTask(
      { employee: { permissionCodes: ["leave.approve", "expense.transfer"] } },
      {
        status: "pending",
        workflow_instance: { entity_type: "leave" },
      },
      true,
    );
    const purchaseActions = listAllowedActionsForTask(
      { employee: { permissionCodes: ["procurement.approve", "expense.transfer"] } },
      {
        status: "pending",
        workflow_instance: { entity_type: "purchase_request" },
      },
      true,
    );
    const travelActions = listAllowedActionsForTask(
      { employee: { permissionCodes: ["travel.approve", "expense.transfer"] } },
      {
        status: "pending",
        workflow_instance: { entity_type: "travel_request" },
      },
      true,
    );

    expect(reimbursementActions).toContain("transfer");
    expect(leaveActions).toContain("transfer");
    expect(purchaseActions).toContain("transfer");
    expect(travelActions).toContain("transfer");
  });

  it("does not allow transfer without matching approve permission", () => {
    const actions = listAllowedActionsForTask(
      { employee: { permissionCodes: ["expense.transfer"] } },
      {
        status: "pending",
        workflow_instance: { entity_type: "leave" },
      },
      true,
    );

    expect(actions).toEqual([]);
  });

  it("parses optional workflow entityType filter for PC approval center", () => {
    expect(parseTaskListQuery({ status: "pending", entityType: "purchase_request", page: "2" })).toMatchObject({
      status: "pending",
      entityType: "purchase_request",
      page: 2,
      pageSize: 20,
    });
  });

  it("rejects unsupported workflow entityType filters", () => {
    expect(() => parseTaskListQuery({ entityType: "invoice_pool" })).toThrow("参数校验失败");
  });
});