import { test } from "node:test";
import assert from "node:assert/strict";
import { blockTint, firstTextureFrame } from "../renderer/block-colors.mjs";
import { datasetSchema } from "../shared/protocol";
import { selectDraftLocations } from "../shared/draft-selection";

test("waterlogged properties do not turn leaves, grass or vines blue", () => {
  for (const name of ["acacia_leaves", "oak_leaves", "vine", "short_grass"]) {
    assert.equal(
      blockTint(`minecraft:${name}[waterlogged=false]`),
      blockTint(`minecraft:${name}`),
    );
    assert.notEqual(
      blockTint(`minecraft:${name}[waterlogged=true]`),
      blockTint("minecraft:water"),
    );
  }
  assert.equal(
    blockTint("minecraft:birch_leaves[waterlogged=false]"),
    "#80a755",
  );
  assert.notEqual(
    blockTint("minecraft:acacia_leaves", "minecraft:savanna"),
    blockTint("minecraft:acacia_leaves", "minecraft:jungle"),
  );
});

test("animated textures use one frame, including explicit sprite frame order", () => {
  assert.deepEqual(firstTextureFrame(16, 512, {}), {
    x: 0,
    y: 0,
    width: 16,
    height: 16,
  });
  assert.deepEqual(
    firstTextureFrame(32, 64, {
      width: 16,
      height: 16,
      frames: [{ index: 3, time: 4 }],
    }),
    { x: 16, y: 16, width: 16, height: 16 },
  );
  assert.deepEqual(firstTextureFrame(32, 16, null), {
    x: 0,
    y: 0,
    width: 32,
    height: 16,
  });
});

const capture = datasetSchema.parse({
  format: "minegeo-dataset/v1",
  minecraftVersion: "1.21.11",
  dimension: "minecraft:overworld",
  source: "plugin",
  name: "Selection regression",
  serverName: "Test",
  north: "-z",
  bounds: { minX: 0, minZ: 0, maxX: 16, maxZ: 16 },
  viewpoints: Array.from({ length: 6 }, (_, i) => ({
    id: `p${i}`,
    x: i,
    y: 66,
    z: i,
  })),
  assets: [{ path: "terrain.json.gz", sha256: "a".repeat(64), bytes: 100 }],
});
test("saving and reloading a selection retains deselected capture locations", () => {
  const saved = selectDraftLocations(capture, ["p0", "p1", "p2", "p3", "p4"]);
  const reloaded = datasetSchema.parse(JSON.parse(JSON.stringify(saved)));
  assert.equal(reloaded.viewpoints.length, 5);
  assert.equal(reloaded.availableViewpoints?.length, 6);
  const restored = selectDraftLocations(reloaded, [
    "p0",
    "p1",
    "p2",
    "p3",
    "p5",
  ]);
  assert.equal(restored.viewpoints[4].id, "p5");
  assert.equal(restored.availableViewpoints?.length, 6);
});
test("unknown, duplicate or too few locations cannot enter a published selection", () => {
  assert.throws(() =>
    selectDraftLocations(capture, ["p0", "p1", "p2", "p3", "missing"]),
  );
  assert.throws(() =>
    selectDraftLocations(capture, ["p0", "p1", "p2", "p3", "p3"]),
  );
  assert.throws(() => selectDraftLocations(capture, ["p0", "p1", "p2", "p3"]));
});