/* Shared ISOLDE moves (heron-leg lancer knight mecha, aether lance): player and AI use the same rules. */
(() => {
  'use strict';
  const balance = { cooldowns:{skill1:3,skill2:6,ultimate:18}, castTime:.5, lanceDamage:16, basicRefund:.05 };
  const names = ['LANCE LINE','SKY PIERCER','STILT CHARGE','SKYFALL LANCES'];
  // The lance gives a long, straight chain; reach sits inside the measured lance point (157/131/184 px in emitters.json).
  const combo = [
    {damage:6,knockback:80,reach:140,duration:.38,hitAt:.5},
    {damage:8,knockback:105,reach:115,duration:.44,hitAt:.5},
    {damage:12,knockback:210,reach:165,duration:.56,hitAt:.55}
  ];
  // Sky Piercer: an ice bolt fired from the raised lance on a rising line (`rise` = vertical/horizontal speed ratio),
  // leaving at chest height (`y` px above the feet). It still catches a grounded rival within about 240 px and a
  // jumping rival much farther away: an anti-air poke.
  const piercer = { speed:900, rise:.25, y:105 };
  // Skyfall Lances: three giant ice lances dive from the sky 0.38 s apart (inside the 0.42 s hurt stun). Each one is
  // aimed at the rival's feet when it is called and takes `flight` s to land, with a small shatter where it lands.
  // A standing rival takes all three (48); keep moving to make them land behind you.
  const skyfall = { cutinDuration:.78, calls:[.8,1.18,1.56], flight:.55, height:520, back:260, shatter:70, size:170, duration:2.4 };
  function move(name,index=1) {
    if(name==='attack')return {name:`attack${index}`,type:'attack',index,...combo[index-1]};
    if(name==='skill1')return {name,type:name,damage:16,duration:.5,knockback:130,projectile:true,speed:piercer.speed,range:240,hitAt:.55};
    // Stilt Charge: a long, fast lance-first charge on the springy heron legs.
    if(name==='skill2')return {name,type:name,damage:24,duration:.72,knockback:300,reach:150,dash:560,hitAt:.58};
    return {name:'ultimate',type:'ultimate',duration:balance.castTime,damage:0,hitAt:1};
  }
  function start(a,name,index=1) {
    if(a.action||a.state==='hurt'||a.state==='down'||a.state==='recover')return false;
    if(name!=='attack'&&a.cooldowns[name]>0)return false;
    if(name!=='attack')a.cooldowns[name]=balance.cooldowns[name];
    a.action={...move(name,index),t:0,fired:false,queued:0};a.state=a.action.name;a.stateTime=0;return true;
  }
  function refund(a) {for(const name of Object.keys(balance.cooldowns))a.cooldowns[name]=Math.max(0,a.cooldowns[name]-balance.cooldowns[name]*balance.basicRefund);}
  window.Isolde={balance,names,combo,piercer,skyfall,move,start,refund};
})();