import { describe, expect, it } from "vitest";
import type { CharacterAppearance } from "../app/characterCatalog";
import {
  isAvatarGeosetVisible,
  resolveAvatarAppearance,
} from "./appearanceResolver";
import type { AvatarManifest, AvatarManifestEntry } from "./characterManifest";

const manifest: AvatarManifest = {
  version: 1,
  sourceBuild: "test",
  publicRoot: "/avatars",
  textureLayout: {
    width: 512,
    height: 512,
    regions: {
      base: [0, 0, 512, 512],
      faceUpper: [0, 320, 256, 64],
      faceLower: [0, 384, 256, 128],
      torsoUpper: [256, 0, 256, 128],
      pelvisUpper: [256, 192, 256, 128],
    },
  },
  entries: {},
};

const entry: AvatarManifestEntry = {
  raceId: "human",
  gender: "male",
  dbcRaceId: 1,
  dbcSexId: 0,
  sourceModel: "Character/Human/Male/HumanMale.m2",
  model: "/avatars/human/male/rig.glb",
  bytes: 1,
  scale: 1,
  groundOffset: 0,
  rotationY: 0,
  materialTokens: { body: "body", hair: "hair" },
  animations: { idle: "Stand", walk: "Walk", run: "Run" },
  counts: { skinColor: 2, face: 2, hairStyle: 2, hairColor: 2, feature: 2 },
  dbcIndices: {
    skinColor: [0, 1],
    face: [0, 1],
    hairStyle: [0, 1],
    hairColor: [0, 1],
    feature: [0, 1],
  },
  skinOptions: [
    { dbcColor: 0, base: "skin-0", underwear: ["pelvis-0", "torso-0", ""] },
    { dbcColor: 1, base: "skin-1", underwear: ["pelvis-1", "torso-1", ""] },
  ],
  faceOptions: [
    { dbcVariation: 0, bySkin: [["face-lower-00", "face-upper-00", ""], ["face-lower-01", "face-upper-01", ""]] },
    { dbcVariation: 1, bySkin: [["face-lower-10", "face-upper-10", ""], ["face-lower-11", "face-upper-11", ""]] },
  ],
  hairOptions: [
    { dbcVariation: 0, geoset: 2, showScalp: false, byColor: [["hair-geometry-0", "scalp-lower-0", "scalp-upper-0"], ["hair-geometry-1", "scalp-lower-1", "scalp-upper-1"]] },
    { dbcVariation: 1, geoset: 7, showScalp: false, byColor: [["hair2-geometry-0", "hair2-lower-0", "hair2-upper-0"], ["hair2-geometry-1", "hair2-lower-1", "hair2-upper-1"]] },
  ],
  featureOptions: [
    { dbcVariation: 0, geosets: [1, 2, 3, 4, 5], byColor: [["feature-lower-0", "feature-upper-0", ""], ["feature-lower-1", "feature-upper-1", ""]] },
    { dbcVariation: 1, geosets: [6, 7, 8, 9, 2], byColor: [["feature2-lower-0", "feature2-upper-0", ""], ["feature2-lower-1", "feature2-upper-1", ""]] },
  ],
};

const selected: CharacterAppearance = {
  skinColor: 1,
  face: 1,
  hairStyle: 1,
  hairColor: 1,
  feature: 1,
};

describe("resolveAvatarAppearance", () => {
  it("composes body layers in WoW replacement-texture order", () => {
    const resolved = resolveAvatarAppearance(manifest, entry, selected, "priest");
    expect(resolved.bodyLayers.map((layer) => layer.url)).toEqual([
      "skin-1",
      "pelvis-1",
      "torso-1",
      "face-lower-11",
      "face-upper-11",
      "feature2-lower-1",
      "feature2-upper-1",
      "hair2-lower-1",
      "hair2-upper-1",
    ]);
    expect(resolved.hairUrl).toBe("hair2-geometry-1");
  });

  it("clamps bad saved values to the nearest exported option", () => {
    const resolved = resolveAvatarAppearance(manifest, entry, {
      skinColor: 99,
      face: -4,
      hairStyle: 99,
      hairColor: -8,
      feature: 99,
    });
    expect(resolved.cacheKey).toBe("human:male:1:0:1:0:1");
    expect(resolved.bodyLayers[0]?.url).toBe("skin-1");
    expect(resolved.hairUrl).toBe("hair2-geometry-0");
  });

  it("maps hair and facial choices to named rig geosets", () => {
    const resolved = resolveAvatarAppearance(manifest, entry, selected, "priest");
    expect(resolved.geosets).toMatchObject({
      Hair: 7,
      FacialA: 6,
      FacialB: 8,
      FacialC: 7,
      FacialJewelry: 9,
      Eyeglow: 2,
      Ears: 2,
    });
    expect(isAvatarGeosetVisible("rig_Hair7", resolved)).toBe(true);
    expect(isAvatarGeosetVisible("rig_Hair2", resolved)).toBe(false);
    expect(isAvatarGeosetVisible("rig_FacialJewelry9", resolved)).toBe(true);
    expect(isAvatarGeosetVisible("rig_Geoset42", resolved)).toBe(true);
    expect(isAvatarGeosetVisible("Armature", resolved)).toBe(true);
  });

  it("uses the Death Knight eye-glow geoset without changing other choices", () => {
    const normal = resolveAvatarAppearance(manifest, entry, selected, "priest");
    const deathKnight = resolveAvatarAppearance(manifest, entry, selected, "death-knight");
    expect(normal.geosets.Eyeglow).toBe(2);
    expect(deathKnight.geosets.Eyeglow).toBe(3);
    expect(deathKnight.geosets.Hair).toBe(normal.geosets.Hair);
  });
});