// All mutable game state in one place, plus the point-reset that re-arms it.

import { HOME, BOY_ENTER, TUNE, COURT, COURTS, TOURS, KITS, SKINS } from './config.js';
import { gore } from './zombies.js'; // runtime-only cycle (zombies imports state): sendBoy reads gore
                                     // to decide whether a mopping round is worth walking out for

export const P = { x: 1.3, z: 22.8, side: 'P', pose: 'idle', poseT: 0, swingT: -1, facing: 1, runT: 0 };
export const O = { x: -1.3, z: 1.0, side: 'O', pose: 'idle', poseT: 0, swingT: -1, facing: 1, runT: 0 };
export const ball = { x: 0, y: 1, z: 20, vx: 0, vy: 0, vz: 0, g: 9.2,
  active: false, lastHit: 'P', bounces: 0, rx: null, heels: 0, approach: null, retreat: null, smash: false, spin: 1, soft: false, collected: false, kills: 0, bomb: false, flame: false,
  // NETPLAY: THE CALLED BALL PLAYS OUT. A verdict used to freeze the ball where it was — on the
  // striker's phone that is mid-roll, a whole court away from the call, and it read as the game
  // loop stopping. `scored` means "this flight is decided": physics keeps running, every scoring
  // consequence below is switched off, and the ball dies where a real one would, by rolling to a
  // stop. Cleared by setupPoint with everything else that arms a point.
  scored: false,
  praise: null, // a perfect serve ARMS its praise word here; it pops at the impact, not the release
  // which weapon launched the ball in flight — the stats screen files a kill under it long after
  // the WEAPONS row itself is out of scope. Lives on the ball so PRISTINE resets it for free.
  wid: 'ball' };
export const score = { pts: [0, 0], games: [0, 0], server: 'P' }; // pts index 0=P 1=O
// `pop` is the SIZE of the moment the stand is reacting to (cheer's own vol, 0..1) and is only
// meaningful while cheer runs: it drives the wave, the paparazzi rate and how many shutters go off
// at once. `burst` is that queue of shutters, drained by render.tickFlashes.
export const crowd = { cheer: 0, pop: 0, burst: 0, dots: [] }; // dots are (re)built by render.buildCrowd

// The court you picked on the start screen. Everything visual reads `court` directly; the two
// bounce numbers are COPIED INTO TUNE instead, so the T panel still edits the live physics and
// gameplay's three bounce sites stay untouched.
export let court = COURTS[0];
export function selectCourt(id) {
  court = COURTS.find(c => c.id === id) || COURTS[0];
  TUNE.bounceY = court.bounceY; TUNE.bounceXZ = court.bounceXZ;
  try { localStorage.setItem('court', court.id); } catch {} // private mode: a forgotten pick is fine
  return court;
}

// The tour you picked on the same screen. Nothing but the SPRITE NAME depends on it — see SK() in
// render.js. A tour is a skin: same physics, same AI, same scoring.
export let tour = TOURS[0];
export function selectTour(id) {
  tour = TOURS.find(t => t.id === id) || TOURS[0];
  try { localStorage.setItem('tour', tour.id); } catch {}
  return tour;
}

// The kit and the skin, picked on the same screen and living by the same rule as the tour: nothing
// but the DRAWN PIXELS depends on either. No physics, no AI, no scoring, no sprite NAMES — the
// recolour happens after SK() has already chosen the frame (see tint/PS in render.js).
export let kit = KITS[0], skin = SKINS[0];
export function selectKit(id) {
  kit = KITS.find(k => k.id === id) || KITS[0];
  try { localStorage.setItem('kit', kit.id); } catch {}
  return kit;
}
export function selectSkin(id) {
  skin = SKINS.find(s => s.id === id) || SKINS[0];
  try { localStorage.setItem('skin', skin.id); } catch {}
  return skin;
}

// everything that used to be loose top-level lets
export const G = {
  mode: 'tennis',     // tennis | transition | splatter
  transT: 0,          // transition timeline clock
  tFlags: null,       // one-shot markers within the transition
  hideO: false,       // the opponent has... left the match
  everTransitioned: false,
  phase: 'pretoss',   // pretoss | toss | rally | over
  serveNum: 1,
  overT: 0,
  hitstop: 0,
  flash: null,        // {text, t}
  shake: null,        // {t, mag} — camera shake, decays like flash (bomb impact)
  boomFlash: 0,       // s of white flash frame left (bomb impact)
  lastOrderT: -9,     // idleT of the last 'Order' call — bomb chains mustn't spam the umpire
  idleT: 0,
  boy: null,          // ball boy sprinting across: {x, z, dir, runT}
  aiServeT: 0,
  net: null,          // netplay (src/net.js): { ready, dead, side, code, opp } while a 1v1 runs
  aiSwingCool: 0,
  aiReactT: 9,        // time since the player's last hit; CPU reads the shot after TUNE.aiReaction
  wasServe: false,    // the ball in flight is a serve (first bounce must hit the box)
  splatT: 0,          // time survived in splatter mode — drives the difficulty ramp
  // The courtside rack. Slots 1-4 are NOT fixed weapon types anymore: they hold what you have
  // GATHERED, in pickup order, so which four you are carrying is a run-by-run thing. Stock still
  // ACCUMULATES per weapon (capped at TUNE.wCap). Slot 0 stays BALL — infinite, and how you bank a
  // special instead of spending it.
  rack: [],           // up to RACK_MAX { id, n } — the gathered weapons, in the order they arrived
  temp: null,         // { id, n } — a FIFTH weapon, riding slot 0 until it is spent. A barrel arms
                      // itself on the spot, so it always has somewhere to go even with a full rack.
  weapon: 0,          // selected slot: 0 = BALL (or temp, if one is riding it), 1..4 = G.rack[i-1]
  mgT: 0,             // s of braced auto-fire left — no serving while it runs (gun/beacon/flamer,
                      // and it doubles as the window a tap-fired laser or rocket is held for)
  mgCool: 0,          // s until the next pellet in that burst
  gunId: null,        // which WEAPONS row that burst is firing — rate, radius, damage, colour
  beam: null,         // the laser's live wedge {x, z, ux, uz, t} — drawn, then gone. Not a projectile.
  testMode: false,    // the scoreboard triple-tap sandbox: medium wave, every new weapon on the rack
  deliveries: 0,      // tins delivered this run — indexes the weapon ladder
  duelDue: false,     // the schedule called a duel — fire it at the next hand-cleared court
  afterDuel: null,    // the game beat the scheduled duel interrupted ('changeover' | 'game'), resumed when it resolves
  aim: null,          // live two-stage serve aim {fx, fy, mag} while the thumb is down (splatter pretoss)
  idleHintT: 0,       // s the player has sat in pretoss without touching anything — after a beat the
                      // pull gesture demonstrates itself (render.drawPullHint)
  meleeT: 0,          // s of racket-swish cooldown left
  rackGlow: null,     // {slot, t} — a freshly gathered barrel weapon pulses its rack tile briefly
                      // instead of equipping itself (popBarrel keeps your current selection)
  passStreak: 0,      // consecutive rally balls that passed untouched (tennis) — ≥2 shows TAP TO HIT
  flatStreak: 0,      // consecutive returns hit with NO aim on them — the flick is the whole skill of
                      // the mode and nothing on touch ever said so (render.drawFlickHint)
  // ---- the sidestep. The movement block is 'rally'-only on purpose, so this integrates OUTSIDE it
  // and is the only way to move in the serve stance (which is where a boss fight is spent).
  dodgeDir: 0,        // -1 | 0 | 1 — which way the current step is going, 0 = standing
  dodgeT: 0,          // s of the step left
  dodgeCd: 0,         // s until another is allowed
  dodgeI: 0,          // s of invulnerability left (checked by hurtPlayer AND the eat test)
  // ---- the SECOND damage channel. Only ranged attacks (ball machine, chapter boss) touch this;
  // a shambler reaching you is still instant permadeath, deliberately. No HP bar anywhere — the
  // state is drawn as blood on the man (drawChar's spatter + bleedPlayer's live trickle).
  hp: TUNE.playerHp,
  hpMax: TUNE.playerHp,
  hurtT: 0,           // s of post-hit grace left; also drives the red hit flash
  hurtFlash: 0,       // s of the impact PULSE left (the persistent damage vignette reads hp directly)
  placeMark: null,    // {x, z, t} — where your aimed rally shot is going (match): the flick made visible
  swipe: null,        // {fx, fy, mag} — the rally flick WHILE the thumb is still moving, so the width
                      // its length is buying is visible before the ball leaves (input.js sets it)
  asideT: 14,         // s until the umpire's next unsolicited remark (TUNE.asideEvery)
  praiseT: 0,         // s until the next praise word is allowed (TUNE.praiseEvery)
  bossDue: 0,         // chapter number the schedule owes you — fired at the next hand-cleared court
  bossFight: 0,       // chapter number of the boss currently on court, 0 = none. Blocks all other spawns.
  slowT: 0,          // s of REAL time left running the world in slow motion (a chapter boss dying)
  bossBurst: null,   // {x, z, t} — the shockwave ring thrown off by that death
  interlude: false,   // sudden-death duel vs the racket zombie: falsy, or {introT} while announcing
  duelLerp: 0,        // 0..1 — how far the court has returned to tennis colors for the duel
  horde: null,        // active horde wave {t, spawnT, mgT} — machine-gun racket, no serving
  match: null,        // ZOMBIE TENNIS (beats.startMatch): {opp, ending}. One GAME per opponent,
                      // real scoring — every point you win wounds the racket zombie, every point it
                      // wins draws your blood. Runs ON TOP of a permanent interlude.
  // CLASSIC TENNIS: the mode where nothing turns. `G.mode` stays 'tennis' for the whole run, the
  // transition is blocked, and the game is scored as a real match — 6 games with a two-game lead is
  // a set, TUNE.classicSets sets is the match. It is the FOUNDATION mode, not a warm-up: if the
  // core tennis is good, everything built on it is good.
  classic: false,
  classicWon: 0,      // games YOU have taken off the CPU this classic match. G.sets is sets and
                      // score.games resets every set, so nothing else counted this — and it is what
                      // the classic world board ranks (a 12-2 win beats a 12-10 one).
  done: null,         // {won, t} — the run ENDED without a corpse (a classic match played out).
                      // The one end-of-run state that is not 'eaten': same summary, same gated tap.
  bench: null,        // THE SPRITE BENCH (back room only): {i, stage, dir} — one opponent on an
                      // empty court so a walk cycle can be judged at the size it is played at.
                      // Owns the court like every other mode; see beats.startBench.
  drill: null,        // the TRIAGE drill (src/drill.js): {t, spawnT, score, streak, kills, faults,
                      // lost, best, msg}. Owns the court like every other mode — see beats.startDrill.
                      // One rule: always kill the body that would reach you first. `t` is time
                      // survived and drives the whole difficulty curve.
  killCount: 0,       // splatter: kills banked toward the next point (see TUNE.killsPerPoint)
  league: 1,          // THE LEAGUES: the profile's league, stamped by beats.startMatch for the
                      // match modes (world = pace tier + band + court). 1 everywhere else, so
                      // every non-league mode keeps playing the shipped game (leaguePace 1.0).
  runGames: 0,        // games finished this run (either side) — the difficulty director
  sets: [0, 0],       // splatter sets won [you, them]; 6 games = a set = a horde
  changeover: false,  // the odd-game breather: no spawns, no serving, the boys mop
  clearing: false,    // a game just ended: the surviving wave stays and must be killed by HAND before play advances (no auto-sweep). No new spawns, kills don't score.
  afterClear: null,   // what happens once the court is clear: 'changeover' | 'game' | 'set'
  clearWinner: null,  // 'P'|'O' — who took the game/set being cleared (for the milestone card)
  pendingHorde: false,// a set was won; the horde is WARNED after the set card's pause
  hordeWarn: 0,       // s left of the THEY KEEP COMING breather; the wave lands when it expires (beats.warnHorde)
  matchFall: null,    // {t, from} while a wounded match opponent collapses and drags itself up (beats.tickMatchFall)
  card: null,         // {title, sub1, sub2, color, t} — centered milestone card (set won, duel); the reusable 'block'
  // the modal: a real interruption. Unlike card/flash it FREEZES the world (update() early-returns)
  // and only a tap or key clears it, so a popup can be read without being eaten while you read it.
  modal: null,        // {title, body: [lines], icon, iconH, color, onDismiss}
  modalQ: [],         // popups waiting behind the open one — see showModal
  seen: {},           // one-shot markers so a first-time-only modal fires once per run
  zoom: null,         // {x, z, k, t, T} — a scripted punch-in on a world point (the transition's turn, a boss death)
  netRipple: null,    // {x, t} — the ball clipped the tape; the net's top line wobbles there briefly
  best: null,         // best run {games, sets}, loaded from localStorage when you get eaten
  newBest: false,     // this run beat the stored best — the eaten summary celebrates it
  lastScoreT: -9,     // idleT of the last score voice — rate-limits umpire during a horde
  eatenT: 0,          // time since you were eaten — the death-animation clock, and it gates the restart tap
  eatenAt: null,      // {x, z} where you fell — the gore mound blooms there
  missLog: [],        // swing diagnostics ring buffer (tennis mode) — inspect via T.G.missLog
  swingSnaps: null,   // ball-approach samples during the live swing, feeds the miss log
  rallyNear: null,    // closest the incoming ball got this rally (for never-swung passes)
  swung: false,       // player swung at least once this rally — whiff log supersedes PASSED
  lastMiss: null,     // {text, at} — most recent miss reason, drawn on the HUD briefly
  moveTapT: 0,        // the double tap's open window (gameplay.keyPressed, moveCall)
  // THE STORY's run state (beats.startStory). Wiped by restartRun like everything on G — the place in
  // the story lives in the profile (prof.story); this is only what THIS run is doing with it.
  story: null,        // {act, part: 'cup'|'chap', base, midDone, fight: 'mid'|'end'|null, winT}
  storyBoss: null,    // 'mid' | 'end' — a story boss is due at the next clear (splatPoint arms it)
  ring: null,         // the drawn gold ring's steady cue (gameplay update smooths ringCue)
  logShow: false,     // tap the scoreboard to toggle the on-screen miss-log dump
};

// A pristine deep copy of every mutable bag, taken at module load before anything can touch them.
// This is what replaced `location.reload()` on death: the reload was an honest full reset, but it
// also tore down the AudioContext, so the menu theme restarted from silence every time you died.
// Everything above is plain data — primitives, nulls, small arrays and {} — so a structured clone
// is the whole job.
const PRISTINE = structuredClone({ G, P, O, ball, score });
export function resetState() {
  const p = structuredClone(PRISTINE);
  Object.assign(G, p.G); Object.assign(P, p.P); Object.assign(O, p.O);
  Object.assign(ball, p.ball); Object.assign(score, p.score);
  G.hp = G.hpMax = TUNE.playerHp; // re-read: the T panel may have moved it since boot
  crowd.cheer = crowd.pop = crowd.burst = 0;
}

export const other = s => s === 'P' ? 'O' : 'P';
export const deuceSide = () => (score.pts[0] + score.pts[1]) % 2 === 0; // even points → deuce (right) side

export function setupPoint() {
  G.phase = 'pretoss'; ball.active = false; ball.bounces = 0; ball.scored = false; ball.rx = null; ball.heels = 0; P.chase = P.goal = P.goalKey = P.post = null; P.running = false; P.rushing = false; ball.approach = null; ball.retreat = null; ball.smash = false;
  G.swingSnaps = null; G.rallyNear = null; G.swung = false;
  if (G.mode === 'splatter' && !G.match) { // always your serve, from wherever you're standing
                                           // (the MATCH falls through to the tennis branch below:
                                           // real tennis serves from behind the baseline, deuce side
                                           // mirroring and all — serving from mid-court where the
                                           // last rally left you read as a bug, because it was one)
    score.server = 'P';
    P.pose = 'idle'; P.swingT = -1; P.facing = 1;
    return;
  }
  const sv = score.server === 'P' ? P : O, rc = score.server === 'P' ? O : P;
  const sx = deuceSide() ? 1.3 : -1.3;
  sv.x = sv.side === 'P' ? sx : -sx;           // deuce side mirrors across the net
  sv.z = sv.side === 'P' ? 24.3 : -0.5;
  // A RECEIVER STANDS BEHIND HIS BASELINE (Oliver, 2026-08-22: "when the opponent serves the
  // player does not stand at the baseline — but that's how it should be"). Both marks used to sit
  // over a metre INSIDE the court (22.5 near, 1.2 far), which is where you stand to return a second
  // serve, not a first one — and next to a server drawn behind his own line it read as a man who
  // had wandered in. They now mirror the server's depth: 0.4-0.5 m behind the line on both sides.
  rc.x = -sv.x; rc.z = rc.side === 'P' ? 24.2 : -0.43;
  P.pose = O.pose = 'idle'; P.swingT = O.swingT = -1;
  P.facing = O.facing = 1; // canonical righty stance — bounce/serve sprites must not render mirrored
  G.aiServeT = score.server === 'O' ? 1.4 : 0;
}

// fetch a dead ball — or, in splatter, come out to CLEAN: a different sprite sheet and a slower
// walk, because mopping is not sprinting. Mopping is the DEFAULT once the gore starts; the plain
// running fetch-boy survives for tennis mode, where there is nothing on the grass but a ball.
// Is there a stain worth walking out for? Must match mopRound's own target test, or he walks on,
// finds nothing he can reach, and walks straight off again — which is exactly what Oliver saw:
// "the mopboy sometimes moves over the court without anything to mop".
// ...and in a MATCH the mess is on the FAR side, because that is where the body stands and bleeds
// through four wound stages. This test was written for the gore mode, where everything dies on the
// near court, and it silently made the boy impossible in the match: sendBoy was called, found no
// stain it considered worth walking out for, and returned. The near-side bias is right everywhere
// else, so the match is the exception rather than the rule being widened.
const mopWorthIt = () => gore.some(d => d.a >= 0.15 && (G.match || d.z >= COURT.netZ - 2));

export function sendBoy(tx = ball.x, tz = ball.z, mop = G.mode === 'splatter') {
  // The sudden-death duel is clean tennis: nobody mops through it. THE MATCH IS THE EXCEPTION — it
  // runs on a PERMANENT interlude, so this guard silently barred the boy from an entire mode, and a
  // match is where the gore actually accumulates: one body bleeds through four wound stages in the
  // same spot, game after game. He is let out between games only (matchGameWon calls him), never
  // mid-point, which is the same "guaranteed calm court" rule the modals live under.
  if (G.interlude && !G.match) return;
  if (G.drill) return;            // ...and nobody walks onto a drill. He is one more body crossing the
                                  // lanes you are reading colours down, and unlike everything else out
                                  // there he is not part of the puzzle OR the threat — pure noise.
  if (mop && !mopWorthIt()) return; // no job, no boy
  if (tz < -3 || tz > 27) return; // target left the field lengthwise, let it go
  // ONE boy, one slot. Every kill used to call this and teleport him back to the wing mid-stride,
  // which is why he flickered in and out: a kill streak restarted him several times a second.
  // A boy already out on the court keeps working — he just adds the new mess to his round.
  if (G.boy) { if (mop) { G.boy.mop = true; G.boy.jobs = Math.min(TUNE.boyMaxJobs, (G.boy.jobs || 1) + 1); } return; }
  const dir = tx > 0 ? 1 : -1;    // enter from the opposite side so the pickup is mid-run
  const e = mop ? BOY_ENTER.mop : BOY_ENTER.run;
  G.boy = { x: dir > 0 ? -e : e, z: tz, dir, runT: 0, dist: 0, mop, jobs: 1 };
}