// Elevate is the venue that reads SMALL and OUTDOORS. Both of those are carried
// entirely by tile kinds — void for sky, yard for the open deck — so they are
// exactly the properties a well-meaning tidy-up would flatten back into
// Voltage without noticing. These pin them.
import { describe, expect, it } from 'vitest';
import { ELEVATE } from '../../src/scenes/floor/layouts/elevate';
import { assertLayout } from './layoutInvariants';
import {
  MAP_H, MAP_W, isWalkable, tileAt, worldToTile,
} from '../../src/scenes/floor/venueMap';
import type { TileKind } from '../../src/scenes/floor/venueMap';

const { map, props, lights } = ELEVATE;

const countTiles = (kind: TileKind): number =>
  map.tiles.reduce((n, t) => (t === kind ? n + 1 : n), 0);

const NEIGHBOURS = [[1, 0], [-1, 0], [0, 1], [0, -1]] as const;

describe('ELEVATE layout', () => {
  it('satisfies the shared venue invariants', () => {
    assertLayout(ELEVATE, {
      bar: 3, dance: 4, booth: 4, toilet: 2, smoke: 2, entry: 1, exit: 1,
    });
  });

  it('is a small room in a lot of sky', () => {
    // VENUES.md §1: venues differ by arrangement, never by grid extent, so
    // "small" is spelled with void. More than a third of the grid is sky.
    expect(countTiles('void')).toBeGreaterThan((MAP_W * MAP_H) / 3);
  });

  it('is outdoors — the deck is yard, not floor', () => {
    // FloorView hangs its rain emitter off 'yard'. Repainting the terrace as
    // 'floor' would switch the weather off and cost the venue its character.
    expect(countTiles('yard')).toBeGreaterThan(3 * countTiles('floor'));
    // The only roofed pockets are the lift lobby and the dunnies.
    for (let ty = 0; ty < MAP_H; ty++) {
      for (let tx = 0; tx < MAP_W; tx++) {
        if (tileAt(map, tx, ty) !== 'floor') continue;
        const indoors = tx <= 14 || (tx >= 46 && tx <= 56);
        expect(indoors, `floor tile ${tx},${ty} is out in the rain`).toBe(true);
      }
    }
  });

  it('has no smoking room — the whole roof is open air', () => {
    expect(countTiles('smokeDoor')).toBe(0);
    for (const a of map.anchors.smoke) {
      const t = worldToTile(a.x, a.y);
      expect(tileAt(map, t.tx, t.ty)).toBe('yard');
    }
    // The designated corner is dressed with an urn and heat lamps, not a fence.
    expect(props.filter((p) => p.kind === 'ashUrn').length).toBeGreaterThanOrEqual(1);
    expect(props.filter((p) => p.kind === 'patioHeater').length).toBeGreaterThanOrEqual(2);
  });

  it('puts the DJ on display: a plinth, not a sealed booth', () => {
    expect(countTiles('djbooth')).toBe(0);
    expect(countTiles('djfloor')).toBeGreaterThan(0);
    // Every plinth tile touches somewhere the crowd can stand — nothing is
    // walled off around the DJ, which is the difference from Voltage.
    for (let ty = 0; ty < MAP_H; ty++) {
      for (let tx = 0; tx < MAP_W; tx++) {
        if (tileAt(map, tx, ty) !== 'djfloor') continue;
        const open = NEIGHBOURS.some(([dx, dy]) => isWalkable(map, tx + dx, ty + dy));
        expect(open, `plinth tile ${tx},${ty} is enclosed`).toBe(true);
      }
    }
    expect(props.some((p) => p.kind === 'djPlinth')).toBe(true);
  });

  it('has two unisex cubicles and no urinals', () => {
    expect(map.stalls).toHaveLength(2);
    expect(props.some((p) => p.kind === 'urinal')).toBe(false);
    expect(props.some((p) => p.kind === 'marbleSink')).toBe(true);
  });

  it('serves cocktails, not beer', () => {
    expect(props.some((p) => p.kind === 'taps')).toBe(false);
    expect(props.some((p) => p.kind === 'cocktailBar')).toBe(true);
    expect(props.filter((p) => p.kind === 'champBucket').length).toBeGreaterThanOrEqual(2);
    // The 'taps' post still has to exist — it is the bartender role's station,
    // here the serving side of the cocktail bar.
    expect(isWalkable(map, ELEVATE.posts.taps!.tx, ELEVATE.posts.taps!.ty)).toBe(true);
  });

  it('you arrive by lift, not off the street', () => {
    for (const a of map.anchors.exit) {
      const t = worldToTile(a.x, a.y);
      expect(t.tx).toBe(0);
      expect(tileAt(map, t.tx, t.ty)).toBe('exit');
    }
    expect(props.some((p) => p.kind === 'liftDoor')).toBe(true);
    // The lobby is the one place you are dry and being looked at.
    expect(props.some((p) => p.kind === 'stampPodium')).toBe(true);
    expect(props.filter((p) => p.kind === 'ropePost').length).toBeGreaterThanOrEqual(4);
  });

  it('edges the terrace in glass with the city beyond it', () => {
    // South and east boundaries are balustrade, not parapet.
    for (let tx = 14; tx <= 58; tx++) expect(tileAt(map, tx, 37)).toBe('fence');
    for (let ty = 7; ty <= 37; ty++) expect(tileAt(map, 58, ty)).toBe('fence');
    expect(props.filter((p) => p.kind === 'balustrade').length).toBeGreaterThanOrEqual(4);
    // Skyline cards are scenery: they hang out in the void past the glass.
    const sky = props.filter((p) => p.kind === 'skylineCard');
    expect(sky.length).toBeGreaterThanOrEqual(4);
    for (const card of sky) {
      expect(tileAt(map, card.tx, card.ty), `${card.id} is on the deck`).toBe('void');
    }
  });

  it('adds exactly one signature colour to the house set', () => {
    // SPACES.md §1: you navigate by glow. Elevate's own colour is skyline gold;
    // a second invention breaks the rule for every venue at once.
    const colours = new Set(lights.map((l) => l.colour));
    expect(colours.has(0xd8a848)).toBe(true);
    expect(colours.size).toBe(6);
    expect(lights.some((l) => l.pulse === 'beat')).toBe(true);
    expect(lights.some((l) => l.pulse === 'flicker')).toBe(true);
  });
});