// screen-level effects + the 17 animation trigger dispatcher
import { G } from "./state.js";
import { confettiBurst, heartFloat, moraleWave, revenueRain } from "./particles.js";
import { sfx } from "./audio.js";

export function dim(on) { G.els.dim.classList.toggle("hidden", !on); }

export function redFlash() {
  const el = G.els.flash;
  el.classList.remove("on"); void el.offsetWidth; el.classList.add("on");
}

export function edgePulse(on) { G.els["edge-pulse"].classList.toggle("on", on); }

export function hrStamp() {
  const el = G.els.stamp;
  el.classList.remove("hidden");
  el.style.animation = "none"; void el.offsetWidth; el.style.animation = "";
  sfx.stamp();
  setTimeout(() => el.classList.add("hidden"), 950);
}

export function wipe(midCallback) {
  const el = G.els.wipe;
  el.classList.remove("go"); void el.offsetWidth; el.classList.add("go");
  setTimeout(midCallback, 350); // swap scenes while fully covered
  setTimeout(() => el.classList.remove("go"), 750);
}

export function fadeBlack(midCallback, hold = 1000) {
  const el = G.els.wipe;
  el.style.transition = "transform .01s";
  el.style.transform = "translateX(0)";
  el.style.opacity = 0;
  el.animate([{ opacity: 0 }, { opacity: 1 }], { duration: 400, fill: "forwards" });
  setTimeout(() => {
    midCallback();
    el.animate([{ opacity: 1 }, { opacity: 0 }],
               { duration: 400, fill: "forwards" });
    setTimeout(() => { el.style.transform = "translateX(-100%)";
      el.style.opacity = 1; el.style.transition = ""; }, 450);
  }, 400 + hold);
}

// the AI's animation enum → visual dispatch (ANIMATIONS.md)
const NPC_ANIM_POSE = {
  npc_happy: "idle", npc_angry: "shake", npc_confused: "idle",
  npc_devastated: "headdown", npc_celebrating: "idle", npc_hiding: "slump",
  npc_smug: "lean", npc_suspicious: "lean", npc_crying: "slump",
  npc_grateful: "idle",
};

export function playOutcome(trigger, npcId, world) {
  const npc = npcId && world.npcs[npcId];
  switch (trigger) {
    case "disaster_flash": redFlash(); sfx.disaster(); break;
    case "revenue_rain": revenueRain(); sfx.moneyUp(); break;
    case "heart_float":
      if (npc) heartFloat(npc.x, npc.y - 44); sfx.gift(); break;
    case "bribery_envelope": sfx.click(); break;
    case "hr_stamp": hrStamp(); break;
    case "morale_drop_wave": moraleWave(world.npcs); sfx.moneyDown(); break;
    case "confetti_burst": confettiBurst(); sfx.win(); break;
    default:
      if (npc && NPC_ANIM_POSE[trigger]) {
        npc.setPose(NPC_ANIM_POSE[trigger]);
        if (trigger === "npc_celebrating" || trigger === "npc_happy") {
          npc.sprite.animate(
            [{ transform: "translateY(0)" }, { transform: "translateY(-6px)" },
             { transform: "translateY(0)" }],
            { duration: 320, iterations: 2, easing: "steps(3)" });
        }
      }
  }
}