/// <reference lib="dom" />
export const game = true

import type { GameContext, InputState } from "@/shared/types"
import { rng } from "@/shared/utils.ts"

const WIDTH = 960
const HEIGHT = 540
const SPEED = 10
let x = rng(0, WIDTH)
let y = rng(0, HEIGHT)

export function init() { console.log("init") }

export function update(_delta: number, input: InputState) {
  if (input.pressed.has("ArrowUp") || input.pressed.has("w")) y -= 1 * SPEED
  if (input.pressed.has("ArrowDown") || input.pressed.has("s")) y += 1 * SPEED

  if (input.pressed.has("ArrowLeft") || input.pressed.has("a")) x -= 1 * SPEED
  if (input.pressed.has("ArrowRight") || input.pressed.has("d")) x += 1 * SPEED
}

export function draw(ctx: GameContext) {
  ctx.clear()

  // sky background
  ctx.rectfill(0, 0, ctx.width, ctx.height, "skyblue")

  // sun
  ctx.circfill(800, 100, 50, "yellow")

  // grass
  ctx.rectfill(0, 400, ctx.width, ctx.height, "green")

  // house body
  ctx.rectfill(200, 250, 400, 400, "sienna")

  // roof (triangle-ish with lines)
  ctx.line(200, 250, 300, 150, "brown")
  ctx.line(400, 250, 300, 150, "brown")
  ctx.line(200, 250, 400, 250, "brown")

  // door
  ctx.rectfill(280, 320, 320, 400, "darkred")

  // windows
  ctx.rectfill(220, 270, 260, 310, "lightblue")
  ctx.rectfill(340, 270, 380, 310, "lightblue")

  // tree trunk
  ctx.rectfill(500, 300, 540, 400, "saddlebrown")
  // tree top (a few circles for puffiness)
  ctx.circfill(520, 280, 40, "darkgreen")
  ctx.circfill(480, 300, 40, "darkgreen")
  ctx.circfill(560, 300, 40, "darkgreen")

  ctx.circfill(x, y, 10, "magenta")
  ctx.circ(x, y, 11, "white")
}