import { assertEquals, assertThrows } from "@std/assert";
import { CFC_PROMPT_SLOT_BOUND_ATOM_TYPE } from "../src/contracts/prompt-slot.ts";
import { parseLoomRunManifestJson } from "../src/contracts/run-manifest.ts";

Deno.test("parseLoomRunManifestJson validates prompt-slot evidence", () => {
  const manifest = parseLoomRunManifestJson(
    JSON.stringify({
      type: "cf-harness.loom-run-manifest",
      version: 1,
      source: "loom",
      wishId: "W-519",
      promptSlot: {
        type: CFC_PROMPT_SLOT_BOUND_ATOM_TYPE,
        source: { type: "loom.wish", wishId: "W-519" },
        role: "direct-command",
        kernelName: "loom",
        surface: "wish-dispatch",
        subject: "W-519",
      },
    }),
  );

  assertEquals(manifest.promptSlot?.type, CFC_PROMPT_SLOT_BOUND_ATOM_TYPE);
  assertEquals(manifest.promptSlot?.source, {
    type: "loom.wish",
    wishId: "W-519",
  });
});

Deno.test("parseLoomRunManifestJson rejects malformed prompt-slot evidence", () => {
  assertThrows(
    () => parseLoomRunManifestJson(JSON.stringify([])),
    Error,
    "run manifest must be a JSON object",
  );
  assertThrows(
    () =>
      parseLoomRunManifestJson(
        JSON.stringify({
          type: "cf-harness.loom-run-manifest",
          version: 1,
          source: "loom",
          promptSlot: [],
        }),
      ),
    Error,
    "prompt slot binding must be a JSON object",
  );
  assertThrows(
    () =>
      parseLoomRunManifestJson(
        JSON.stringify({
          type: "cf-harness.loom-run-manifest",
          version: 1,
          source: "loom",
          promptSlot: { role: "direct-command" },
        }),
      ),
    Error,
    "unsupported prompt slot binding type",
  );
});

Deno.test("parseLoomRunManifestJson rejects invalid CFC metadata", () => {
  assertThrows(
    () =>
      parseLoomRunManifestJson(
        JSON.stringify({
          type: "cf-harness.loom-run-manifest",
          version: 1,
          source: "loom",
          cfc: [],
        }),
      ),
    Error,
    "run manifest cfc must be a JSON object",
  );
  assertThrows(
    () =>
      parseLoomRunManifestJson(
        JSON.stringify({
          type: "cf-harness.loom-run-manifest",
          version: 1,
          source: "loom",
          cfc: { enforcementMode: "bogus" },
        }),
      ),
    Error,
    "unsupported run manifest cfc.enforcementMode",
  );
  assertThrows(
    () =>
      parseLoomRunManifestJson(
        JSON.stringify({
          type: "cf-harness.loom-run-manifest",
          version: 1,
          source: "loom",
          cfc: { enforcementMode: "" },
        }),
      ),
    Error,
    "unsupported run manifest cfc.enforcementMode",
  );
});