import assert from "node:assert/strict";
import fs from "node:fs";
import path from "node:path";
import test from "node:test";

const webRoot = path.resolve(import.meta.dirname, "../..");
const packageJson = JSON.parse(
  fs.readFileSync(path.join(webRoot, "package.json"), "utf8"),
);

test("browser runtime dependencies stay local", () => {
  const runtimePackages = Object.keys(packageJson.dependencies ?? {});
  assert.deepEqual(runtimePackages, ["react", "react-dom"]);
  assert.equal(packageJson.dependencies?.three, undefined);
  assert.equal(packageJson.dependencies?.["@sqlite.org/sqlite-wasm"], undefined);
  for (const name of runtimePackages) {
    assert.ok(
      fs.existsSync(path.join(webRoot, "node_modules", ...name.split("/"))),
      `${name} must be installed in local node_modules`,
    );
  }
});

test("required renderer and engine assets are vendored", () => {
  const requiredFiles = [
    "app/src/vendor/three/three.core.js",
    "app/src/vendor/three/three.module.js",
    "app/src/vendor/three/addons/controls/OrbitControls.js",
    "app/src/vendor/blender/web_engine.js",
    "app/src/vendor/blender/web_engine.wasm",
    "app/public/vendor/blender/web_engine.js",
    "app/public/vendor/blender/web_engine.wasm",
    "app/public/vendor/blender/single/web_engine.js",
    "app/public/vendor/blender/single/web_engine.wasm",
    "app/public/vendor/blender/pthread/web_engine.js",
    "app/public/vendor/blender/pthread/web_engine.wasm",
  ];
  for (const relativePath of requiredFiles) {
    const filePath = path.join(webRoot, relativePath);
    assert.ok(fs.statSync(filePath).size > 0, `${relativePath} must be non-empty`);
  }
  assert.deepEqual(
    fs.readFileSync(path.join(webRoot, "app/src/vendor/blender/web_engine.wasm")),
    fs.readFileSync(path.join(webRoot, "app/public/vendor/blender/web_engine.wasm")),
  );
  for (const relativePath of [
    "blender-5.2.0/extern/zlib/CMakeLists.txt",
    "blender-5.2.0/extern/zstd/build/cmake/CMakeLists.txt",
  ]) {
    assert.ok(fs.statSync(path.join(webRoot, "..", relativePath)).size > 0, `${relativePath} must be vendored`);
  }
});

test("schema v2 engine assets carry a valid release identity", () => {
  const manifest = JSON.parse(fs.readFileSync(path.join(webRoot, "app/public/engine-manifest.json"), "utf8"));
  assert.equal(manifest.schemaVersion, 2);
  assert.match(manifest.releaseId, /^[A-Za-z0-9][A-Za-z0-9._+-]{0,127}$/);
});

test("attribute geometry fixture is reproducible input", () => {
  const fixture = path.join(webRoot, "..", "tests/files/web/attribute_scene.blend");
  const manifest = JSON.parse(fs.readFileSync(path.join(webRoot, "..", "tests/files/web/manifest.json"), "utf8"));
  const entry = manifest.fixtures.find((item) => item.id === "attribute_scene");
  assert.ok(entry, "attribute_scene fixture must be registered");
  assert.equal(fs.statSync(fixture).size, 90108);
});

test("animation fixture is registered with a bounded frame range", () => {
  const fixture = path.join(webRoot, "..", "tests/files/web/animation_scene.blend");
  const manifest = JSON.parse(fs.readFileSync(path.join(webRoot, "..", "tests/files/web/manifest.json"), "utf8"));
  const entry = manifest.fixtures.find((item) => item.id === "animation_scene");
  assert.deepEqual(entry?.frameRange, [1, 10]);
  assert.ok(fs.statSync(fixture).size > 0);
});

test("rigged shape fixture covers modifier, skin and shape-key input", () => {
  const fixture = path.join(webRoot, "..", "tests/files/web/rigged_shape_scene.blend");
  const manifest = JSON.parse(fs.readFileSync(path.join(webRoot, "..", "tests/files/web/manifest.json"), "utf8"));
  const entry = manifest.fixtures.find((item) => item.id === "rigged_shape_scene");
  assert.deepEqual(entry?.features, ["modifier-stack", "vertex-weights", "shape-keys"]);
  assert.equal(entry?.objects, 2);
  assert.deepEqual(entry?.objectNames, ["RiggedArmatureObject", "RiggedShapeObject"]);
  assert.ok(fs.statSync(fixture).size > 0);
});

test("packed image fixture is registered as a local binary asset input", () => {
  const fixture = path.join(webRoot, "..", "tests/files/web/packed_image_scene.blend");
  const manifest = JSON.parse(fs.readFileSync(path.join(webRoot, "..", "tests/files/web/manifest.json"), "utf8"));
  const entry = manifest.fixtures.find((item) => item.id === "packed_image_scene");
  assert.deepEqual(entry?.features, ["packed-image"]);
  assert.equal(entry?.objectNames?.[0], "PackedImageObject");
  assert.ok(fs.statSync(fixture).size > 0);
});

test("topology fixture covers open and non-manifold Collapse input", () => {
  const fixture = path.join(webRoot, "..", "tests/files/web/topology_scene.blend");
  const manifest = JSON.parse(fs.readFileSync(path.join(webRoot, "..", "tests/files/web/manifest.json"), "utf8"));
  const entry = manifest.fixtures.find((item) => item.id === "topology_scene");
  assert.equal(entry?.objects, 3);
  assert.equal(entry?.meshes, 3);
  assert.deepEqual(entry?.features, ["open-boundary-collapse", "open-ngon-collapse", "non-manifold-collapse"]);
  assert.ok(fs.statSync(fixture).size > 0);
});

test("modifier category fixtures and Blender 5.2 goldens are registered", () => {
  const manifest = JSON.parse(fs.readFileSync(path.join(webRoot, "..", "tests/files/web/manifest.json"), "utf8"));
  const fixtureIds = [
    "modifier_generate_scene",
    "modifier_deform_scene",
    "modifier_deform_curve_scene",
    "modifier_physics_scene",
    "modifier_geometry_nodes_scene",
    "modifier_grease_pencil_scene",
  ];
  for (const fixtureId of fixtureIds) {
    const entry = manifest.fixtures.find((item) => item.id === fixtureId);
    assert.ok(entry, `${fixtureId} fixture must be registered`);
    assert.ok(fs.statSync(path.join(webRoot, "..", "tests/files/web", entry.path)).size > 0);
    const goldenPath = path.join(webRoot, "..", "tests/golden/W-075", entry.path.replace(".blend", ".json"));
    const golden = JSON.parse(fs.readFileSync(goldenPath, "utf8"));
    assert.equal(golden.blenderVersion, "5.2.0 LTS");
    assert.equal(golden.fixture, entry.path);
  }
});

test("multi-frame pose and constraint fixture is registered with desktop goldens", () => {
  const manifest = JSON.parse(fs.readFileSync(path.join(webRoot, "..", "tests/files/web/manifest.json"), "utf8"));
  const entry = manifest.fixtures.find((item) => item.id === "pose_constraint_scene");
  assert.ok(entry);
  assert.deepEqual(entry.features, ["pose-animation", "pose-constraint", "multi-frame-depsgraph"]);
  assert.ok(fs.statSync(path.join(webRoot, "..", "tests/files/web", entry.path)).size > 0);
  const golden = JSON.parse(fs.readFileSync(path.join(webRoot, "..", "tests/golden/W-080/pose-constraint-depsgraph.json"), "utf8"));
  assert.equal(golden.blenderVersion, "5.2.0 LTS");
  assert.deepEqual(golden.frames, [1, 5, 10, 15]);
});