const test = require("node:test");
const assert = require("node:assert/strict");
const state = require("../assets/scripts/pages/archive-world-state.js");

test("fresh state applies defaults", () => {
  assert.deepEqual(state.fresh("  Ada  ", "moss"), {
    version: 1,
    name: "Ada",
    palette: "moss",
    discovered: [],
    complete: false,
    position: { x: 640, y: 830 },
    soundEnabled: false
  });
});

test("names are trimmed, collapsed, and limited to twenty characters", () => {
  assert.equal(state.validateName("  Archive   Guest "), "Archive Guest");
  assert.equal(state.validateName(""), null);
  assert.equal(state.validateName("x".repeat(21)), null);
});

test("only declared palettes are accepted", () => {
  assert.equal(state.validatePalette("berry"), "berry");
  assert.equal(state.validatePalette("ultraviolet"), null);
});

test("discoveries are deduplicated and completion requires all landmarks", () => {
  let current = state.fresh("Ada", "brass");
  current = state.discover(current, "gate");
  current = state.discover(current, "gate");
  assert.deepEqual(current.discovered, ["gate"]);
  assert.equal(current.complete, false);

  for (const id of state.LANDMARK_IDS) current = state.discover(current, id);
  assert.equal(current.complete, true);
});

test("normalization filters unknown discoveries and clamps position", () => {
  const candidate = {
    version: 1,
    name: "Zaine",
    palette: "brass",
    discovered: ["gate", "gate", "missing"],
    complete: true,
    position: { x: -20, y: 5000 },
    soundEnabled: true
  };
  assert.deepEqual(state.normalize(candidate), {
    version: 1,
    name: "Zaine",
    palette: "brass",
    discovered: ["gate"],
    complete: false,
    position: { x: 36, y: 924 },
    soundEnabled: true
  });
});

test("parse rejects malformed, unsupported, and incomplete saves", () => {
  assert.equal(state.parse("{"), null);
  assert.equal(state.parse(JSON.stringify({ version: 2 })), null);
  assert.equal(state.parse(JSON.stringify(state.fresh("", "brass"))), null);
});

test("a valid save round-trips and reset creates an empty state", () => {
  const saved = state.discover(state.fresh("Mira", "berry"), "garden");
  assert.deepEqual(state.parse(JSON.stringify(saved)), saved);
  assert.deepEqual(state.fresh("Mira", "berry").discovered, []);
});