import assert from "node:assert/strict"
import test from "node:test"
import { applyRowCostCentreAssignments } from "../src/modules/outgoing-document-cost-centres.service"
import { mcpToolMap } from "../src/mcp/registry"

test("changes only requested position cost centres", () => {
    const rows = [
        { id: "row-1", description: "Montage", price: 100, costCentre: "old-1" },
        { id: "row-2", description: "Material", price: 50, costCentre: "old-2" },
    ]

    assert.deepEqual(applyRowCostCentreAssignments(rows, [
        { rowId: "row-1", costcentre: "new-1" },
    ]), [
        { id: "row-1", description: "Montage", price: 100, costCentre: "new-1" },
        rows[1],
    ])
})

test("rejects assignments for unknown document positions", () => {
    assert.throws(
        () => applyRowCostCentreAssignments([{ id: "row-1" }], [{ rowId: "missing", costcentre: null }]),
        /Position missing.*nicht gefunden/,
    )
})

test("registers a dedicated finalized-document cost centre tool", () => {
    const tool = mcpToolMap.get("accounting.outgoing_documents.cost_centres.update")

    assert.deepEqual(tool?.requiredPermissions, ["accounting.outgoing_documents.write"])
    assert.deepEqual(tool?.inputSchema.required, ["id"])
    assert.ok(tool?.inputSchema.anyOf)
})