// REQ-PLUG-1: the kind registry and the organization file's `plugins` shape (row 131).
import test from "node:test";
import assert from "node:assert/strict";
import { KINDS, NAME, PluginError, checkPlugins } from "../src/kinds.mjs";

const code = expected => e => e instanceof PluginError && e.code === expected;

test("REQ-PLUG-1 REQ-LIMIT-4 the registry: usage-source at interface version 1, limit-check at 2 (row 125), each a list", () => {
  assert.deepEqual(Object.keys(KINDS), ["usage-source", "limit-check", "search-source", "channel", "harness", "usage", "model-provider", "theme"]);
  // Stream S4 (PLAN C5): a theme is data. interfaceVersion 1, one export, a list switch.
  assert.deepEqual({ ...KINDS.theme, exports: [...KINDS.theme.exports] }, { kind: "theme", interfaceVersion: 1, exports: ["theme"], switch: "list" });
  assert.ok(Object.isFrozen(KINDS.theme) && Object.isFrozen(KINDS.theme.exports));
  assert.deepEqual({ ...KINDS["usage-source"], exports: [...KINDS["usage-source"].exports] },
    { kind: "usage-source", interfaceVersion: 1, exports: ["readTurn"], switch: "list" });
  assert.deepEqual({ ...KINDS["limit-check"], exports: [...KINDS["limit-check"].exports] },
    { kind: "limit-check", interfaceVersion: 2, exports: ["mayLaunch", "mustStop", "report"], switch: "list" });
  assert.deepEqual({ ...KINDS["search-source"], exports: [...KINDS["search-source"].exports] },
    { kind: "search-source", interfaceVersion: 1, exports: ["search"], switch: "one" });
  // Row 65 (REQ-PLUG-2, Q156): the harness kind, a list, at interface version 1.
  assert.deepEqual({ ...KINDS.harness, exports: [...KINDS.harness.exports] }, {
    kind: "harness", interfaceVersion: 1, switch: "list",
    exports: ["adapter", "levels", "preflight", "version", "countsAccount", "mounts", "builtinWeb", "builtins",
      "typedName", "reliesOn", "gateTimeout", "bundle", "env", "turnEnd", "outputPolicy", "transcript", "compactions"],
  });
  assert.deepEqual({ ...KINDS["model-provider"], exports: [...KINDS["model-provider"].exports] }, { kind: "model-provider", interfaceVersion: 1, exports: ["catalogue", "preflight", "route"], switch: "list" });
  assert.ok(Object.isFrozen(KINDS.harness) && Object.isFrozen(KINDS.harness.exports));
  assert.ok(Object.isFrozen(KINDS) && Object.isFrozen(KINDS["usage-source"]) && Object.isFrozen(KINDS["limit-check"].exports));
  assert.equal(String(NAME), "/^[a-z][a-z0-9-]*$/");
});

test("REQ-PLUG-1 checkPlugins accepts one key per kind, each a list of names, empty included", () => {
  for (const value of [{}, { "usage-source": [] }, { "usage-source": ["a", "b-2"], "limit-check": ["cap"] }]) {
    assert.equal(checkPlugins(value, "plugins"), value);
  }
});

test("REQ-PLUG-1 checkPlugins refuses bad shapes, unknown kinds, bad names and duplicates", () => {
  for (const value of [null, [], "x", 3]) assert.throws(() => checkPlugins(value, "plugins"), code("bad-setting"));
  assert.throws(() => checkPlugins({ "made-up": [] }, "plugins"), code("unknown-kind"));
  assert.throws(() => checkPlugins({ toString: [] }, "plugins"), code("unknown-kind"));
  assert.throws(() => checkPlugins({ "usage-source": "meter" }, "plugins"), code("bad-setting"));
  for (const name of ["Meter", "1m", "m_x", "../x", "a/b", ".x", "", 7, null]) {
    assert.throws(() => checkPlugins({ "usage-source": [name] }, "plugins"), code("bad-name"), String(name));
  }
  assert.throws(() => checkPlugins({ "limit-check": ["cap", "cap"] }, "plugins"), code("bad-setting"));
});

test("REQ-PLUG-1 a kind that switches on one module takes one name, not a list", () => {
  const kinds = { single: { kind: "single", interfaceVersion: 1, exports: ["run"], switch: "one" } };
  assert.ok(checkPlugins({ single: "only" }, "plugins", { kinds }));
  assert.throws(() => checkPlugins({ single: ["only"] }, "plugins", { kinds }), code("bad-setting"));
  assert.throws(() => checkPlugins({ single: "Only" }, "plugins", { kinds }), code("bad-name"));
});

test("REQ-PLUG-1 checkPlugins reports through the caller's fail callback", () => {
  const seen = [];
  const fail = (c, message) => { seen.push(c); throw new Error(message); };
  assert.throws(() => checkPlugins({ "made-up": [] }, "x plugins", { fail }), /x plugins names unknown kind/);
  assert.deepEqual(seen, ["unknown-kind"]);
});


test("P5 usage telemetry is optional, single module, separate from enforcing sources", () => {
  assert.deepEqual({ ...KINDS.usage, exports: [...KINDS.usage.exports] },
    { kind: "usage", interfaceVersion: 1, exports: ["read"], switch: "one" });
  assert.deepEqual(checkPlugins({}, "plugins"), {});
  assert.deepEqual(checkPlugins({ usage: "cliproxy-queue" }, "plugins"), { usage: "cliproxy-queue" });
  assert.throws(() => checkPlugins({ usage: ["cliproxy-queue"] }, "plugins"), code("bad-setting"));
});