import assert from "node:assert/strict";
import { after, before, test } from "node:test";

import { createServer } from "vite";

let server;
let fetchE47SemanticSlamResult;
let fetchE47SemanticTimelineChunk;
let e47SemanticMaskUrl;

const resultId = `e47-semantic-slam-${"a".repeat(64)}`;
const baseM4ResultId = `m4-threat-replay-${"b".repeat(64)}`;

before(async () => {
  server = await createServer({
    appType: "custom",
    logLevel: "silent",
    server: { middlewareMode: true },
  });
  ({
    fetchE47SemanticSlamResult,
    fetchE47SemanticTimelineChunk,
    e47SemanticMaskUrl,
  } = await server.ssrLoadModule("/src/core/laboratory/e47SemanticSlam.ts"));
});

after(async () => {
  await server?.close();
});

function resultView(overrides = {}) {
  return {
    schema_version: "missioncore.e47-semantic-slam-view/v1",
    result_id: resultId,
    created_at_utc: "2026-08-06T10:00:00.000Z",
    status: "diagnostic-semantic-slam-shadow",
    profile_id: "ravnoves00-eomt-kb4-slam-shadow/v1",
    base_m4_result_id: baseM4ResultId,
    semantic_result_id: `result-${"c".repeat(64)}`,
    geometry_result_id: `m4-geometry-replay-${"d".repeat(64)}`,
    source_pack_id: `e10-lidar-pack-${"e".repeat(64)}`,
    calibration_content_sha256: "f".repeat(64),
    provider: {
      provider_id: "eomt-cityscapes-semantic-control/v1",
      model_id: "tue-mps/cityscapes_semantic_eomt_large_1024",
      model_revision: "revision-1",
      model_weights_sha256: "1".repeat(64),
      preprocess_id: "raw-kb4-valid-fov-semantic/v1",
    },
    temporal_binding: {
      semantic_to_camera: "exact-sequence-and-session-time",
      camera_to_lidar: "accepted-e6-nearest-host-arrival-best-effort",
      clock_basis: "recorded-host-monotonic-arrival",
      maximum_lidar_camera_delta_ms: 100,
      maximum_pose_point_delta_ms: 100,
      physical_synchronization_proven: false,
    },
    taxonomy: [
      {
        class_id: 0,
        label: "outside_valid_fov",
        disposition: "ambiguous",
        color_rgb: [0, 0, 0],
      },
      {
        class_id: 7,
        label: "paved_road",
        disposition: "labeled",
        color_rgb: [128, 64, 128],
      },
    ],
    metrics: {
      frames: { total: 4489, mask_available: 4489, source_available: 4489 },
      points: {
        total: 4,
        projected: 2,
        labeled: 1,
        ambiguous: 1,
        unprojected: 2,
        absent: 0,
      },
      observations: {
        total: 2,
        labeled: 1,
        ambiguous: 0,
        unprojected: 1,
        absent: 0,
      },
      runtime: { elapsed_ms: 1000, frames_per_second: 4.489 },
    },
    acceptance: {
      artifact_contract_passed: true,
      frame_accounting_passed: true,
      point_accounting_passed: true,
      observation_binding_passed: true,
      temporal_binding_passed: true,
      independent_semantic_truth_passed: false,
      provider_promoted: false,
    },
    limitations: ["diagnostic only"],
    ground_truth: false,
    semantic_authority: "diagnostic-only",
    navigation_or_safety_accepted: false,
    actuation_allowed: false,
    ...overrides,
  };
}

test("E47 accepts only a fully accounted diagnostic semantic/SLAM view", async () => {
  const result = await fetchE47SemanticSlamResult({
    fetcher: async () => new Response(JSON.stringify({
      schema_version: "missioncore.e47-semantic-slam-catalog/v1",
      items: [resultView()],
    })),
  });
  assert.equal(result.resultId, resultId);
  assert.equal(result.baseM4ResultId, baseM4ResultId);
  assert.equal(result.metrics.points.projected, 2);
  assert.equal(result.acceptance.independentSemanticTruthPassed, false);
  assert.equal(result.temporalBinding.physicalSynchronizationProven, false);
  assert.equal(result.temporalBinding.maximumLidarCameraDeltaMs, 100);
  assert.equal(result.acceptance.temporalBindingPassed, true);
  assert.equal(result.taxonomy[0].disposition, "ambiguous");
  assert.equal(
    e47SemanticMaskUrl(resultId, 14),
    `/api/v1/laboratory/e47-semantic-slam/results/${resultId}/masks/14`,
  );
});

test("E47 rejects result-level point accounting drift", async () => {
  await assert.rejects(
    fetchE47SemanticSlamResult({
      fetcher: async () => new Response(JSON.stringify({
        schema_version: "missioncore.e47-semantic-slam-catalog/v1",
        items: [resultView({
          metrics: {
            ...resultView().metrics,
            points: {
              ...resultView().metrics.points,
              total: 5,
            },
          },
        })],
      })),
    }),
    /point accounting/,
  );
});

test("E47 chunk preserves unavailable sentinel and verifies the status histogram", async () => {
  const validFrame = {
    schema_version: "missioncore.e47-semantic-slam-frame/v1",
    sequence: 14,
    source_point_count: 4,
    class_ids: [7, 0, -1, -1],
    status_codes: [3, 2, 1, 1],
    counts: { labeled: 1, ambiguous: 1, unprojected: 2, absent: 0 },
  };
  const chunk = await fetchE47SemanticTimelineChunk(resultId, 14, 1, {
    taxonomy: [
      { classId: 0, label: "outside_valid_fov", disposition: "ambiguous", colorRgb: [0, 0, 0] },
      { classId: 7, label: "paved_road", disposition: "labeled", colorRgb: [128, 64, 128] },
    ],
    fetcher: async () => new Response(JSON.stringify({
      schema_version: "missioncore.e47-semantic-slam-chunk/v1",
      result_id: resultId,
      start_sequence: 14,
      frame_count: 1,
      next_sequence: 15,
      frames: [validFrame],
    })),
  });
  assert.deepEqual(chunk.frames[0].classIds, [7, 0, -1, -1]);

  await assert.rejects(
    fetchE47SemanticTimelineChunk(resultId, 14, 1, {
      taxonomy: [
        { classId: 0, label: "outside_valid_fov", disposition: "ambiguous", colorRgb: [0, 0, 0] },
        { classId: 7, label: "paved_road", disposition: "labeled", colorRgb: [128, 64, 128] },
      ],
      fetcher: async () => new Response(JSON.stringify({
        schema_version: "missioncore.e47-semantic-slam-chunk/v1",
        result_id: resultId,
        start_sequence: 14,
        frame_count: 1,
        next_sequence: 15,
        frames: [{ ...validFrame, class_ids: [7, 0, 7, -1] }],
      })),
    }),
    /class\/status binding/,
  );
});