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

import {
  parseNativeWaterBuildArgs,
  selectNativeWaterChunkKeys,
} from "./native-water-build-utils.mjs";

test("water builder parses recipe, source and output options without losing paths", () => {
  assert.deepEqual(parseNativeWaterBuildArgs([
    "--recipe", "recipes/the-origin.json",
    "--source-root", "F:/rom source",
    "--output-root", "runewaker-export-work/the-origin/native-water-source",
    "--audit-cache-root", "runewaker-export-work/the-origin",
  ]), {
    help: false,
    recipe: "recipes/the-origin.json",
    "source-root": "F:/rom source",
    "output-root": "runewaker-export-work/the-origin/native-water-source",
    "audit-cache-root": "runewaker-export-work/the-origin",
  });
  assert.throws(() => parseNativeWaterBuildArgs(["--typo", "x"]), /Unknown option/);
  assert.throws(() => parseNativeWaterBuildArgs(["--recipe", "one", "--recipe", "two"]), /only be supplied once/);
});

test("water builder binds a ground selection to the identical WDB and uses exact coordinates", () => {
  const sourceWdbSha256 = "a".repeat(64);
  const selected = selectNativeWaterChunkKeys({
    wdbChunkKeys: [0x00020002, 0x00030004, 0x00040005],
    sourceWdbSha256,
    groundManifest: {
      source: { wdbSha256: sourceWdbSha256 },
      chunks: [
        { id: "chunk-x2-z2", coordinate: { x: 2, z: 2 } },
        { key: 0x00030004 },
      ],
    },
  });
  assert.deepEqual(selected.selectedKeys, [0x00020002, 0x00030004]);
  assert.equal(selected.selection.chunkCount, 2);
  assert.throws(() => selectNativeWaterChunkKeys({
    wdbChunkKeys: [0x00020002],
    sourceWdbSha256,
    groundManifest: { source: { wdbSha256: "b".repeat(64) }, chunks: [{ coordinate: { x: 2, z: 2 } }] },
  }), /does not match/);
  assert.throws(() => selectNativeWaterChunkKeys({
    wdbChunkKeys: [0x00020002],
    sourceWdbSha256,
    groundManifest: { source: { wdbSha256: sourceWdbSha256 }, chunks: [{ id: "chunk-x2-z2" }, { id: "chunk-x2-z2" }] },
  }), /repeats chunk/);
  assert.throws(() => selectNativeWaterChunkKeys({
    wdbChunkKeys: [0x00020002],
    sourceWdbSha256,
    groundManifest: { source: { wdbSha256: sourceWdbSha256 }, chunks: [{ coordinate: { x: 9, z: 9 } }] },
  }), /absent from the source WDB/);
});

test("water builder defaults to every WDB chunk when no ground manifest is supplied", () => {
  const result = selectNativeWaterChunkKeys({ wdbChunkKeys: [9, 3, 5], sourceWdbSha256: "c".repeat(64) });
  assert.deepEqual(result.selectedKeys, [3, 5, 9]);
  assert.equal(result.selection.kind, "all-wdb-chunks");
});