import assert from "node:assert/strict";
import { readFile } from "node:fs/promises";
import createModule from "../../build-wasm/linuxcnc-sim-core.js";
import { SimSession, CONTEXT_ID } from "./sim-session.mjs";

const wasmBinary = await readFile(new URL("../../build-wasm/linuxcnc-sim-core.wasm", import.meta.url));
const core = await createModule({ wasmBinary });
const session = new SimSession(core, { sessionId: "ledger-session" });
const base = { schema_version: 1, context_id: CONTEXT_ID, session_id: "ledger-session" };
const send = (kind, seq, operation_id, payload = {}) => session.accept({ ...base, kind, seq, operation_id, payload });

assert.equal(send("HELLO", 1, undefined).kind, "CAPABILITIES");
assert.equal(send("SESSION_ATTACH", 2, "attach").kind, "SESSION_READY");
assert.equal(send("LOAD_WORKSPACE", 3, "load", { root_path: "/workspace" }).payload.status, "verified");
const first = send("SPINDLE_COMMAND", 4, "spindle", { spindle: 0, rpm: 600, enabled: true });
assert.equal(first.payload.status, "verified");
assert.equal(first.payload.task.schema, "sim_task.v1");
assert.equal(first.payload.ledger, undefined);
assert.equal(session.ledger.reconcile("spindle").status, "committed");
const replay = send("SPINDLE_COMMAND", 5, "spindle", { spindle: 0, rpm: 9999, enabled: true });
assert.equal(replay.replayed, true);
assert.equal(replay.payload.command, "SPINDLE_COMMAND");
assert.equal(session.devices.state.spindles[0].command_rpm, 600);
const conflict = send("IO_STEP", 6, "spindle", { ticks: 1 });
assert.equal(conflict.kind, "ERROR");
assert.equal(conflict.payload.code, "ledger_operation_conflict");
const abortTarget = send("SPINDLE_COMMAND", 7, "abort-target", { spindle: 0, rpm: 0, enabled: false });
assert.equal(abortTarget.payload.status, "verified");
const abort = send("ABORT", 8, "abort-control", { operation_id: "abort-target" });
assert.equal(abort.payload.ledger.status, "too_late");
const checkpoint = send("CHECKPOINT", 9, "checkpoint").payload.checkpoint;
const recovered = session.restoreCheckpoint(checkpoint, null, (operation) => operation);
assert.equal(recovered.status, "recovered");
assert.equal(session.ledger.reconcile("spindle").status, "committed");
assert.equal(session.ledger.reconcile("missing").status, "missing");
console.log(`sim_ledger=passed committed=${session.ledger.reconcile("spindle").status} side_effects=${session.ledger.require("spindle").side_effect_count}`);