// server/match/PlayerState.js — authoritative per-player state + every prep intent handler (DESIGN §6.2).
//
// Handlers validate → mutate → recompute bonds → mark the private view dirty. They never throw on bad input; they
// return `{ ok: true }` or `{ error: ERR.*, detail? }`. Rules (research 00-INDEX §3–§4, 01 A1, 04 §2):
//   * Hand (整备区) 10 slots filled right→left, temp (临时整备区) 5 slots. A full hand refuses buys and reward picks —
//     also one that would complete a merge at once (PRTS 卫戍协议/帮助 §手牌区 "例如招募/购入等通常情况下会增加手牌的操作";
//     GitHub #82) — and withdrawals, except one whose own summon stack frees a slot. Passive gains (merge results,
//     grants, returned equipment) overflow into temp, and a free hand slot pulls them back in at once, right→left
//     (_fillHandFromTemp at every recompute: "常规手牌区出现空位时自动移入"); temp blocks Ready ("直到溢出情况排除才可开始
//     进行作战").
//     A temp piece is resolved (chess sold back to the pool, items destroyed, summon stacks removed — they come back at
//     the next round start, grantTokensFor) at the deadline of the
//     first prep in which the player could act on it (tempDue): a piece that overflowed during a prep before Ready
//     expires at that prep's end; one that arrived after Ready, at the prep end (<休整期结束时> grants), in COMBAT /
//     SETTLE (battle-result grants, merges, returned equipment) or at the next round start / 机变 stays visible and
//     usable (move to a free hand slot, place, equip, destroy, sell) through the NEXT prep — nothing is destroyed before
//     the player saw it in a prep ("处于临时整备区的调度资源，在进入下一回合后会自动销毁").
//   * Board: own region rows 9–12 × cols 2–10, legality from the stage legend (board.js); deploy cap 8 (+effects);
//     tokens (placeable summons) don't use deploy slots. Board↔hand swaps are always allowed. In a boss round the
//     legality reads the player's half of the boss field (Match.deployFieldOf → board.js field 'bossL' / 'bossR',
//     user playtest #5 item 7); board coordinates are unchanged. A terrain change (terrain 机变 cards, content
//     overrides) or a change of the deploy field withdraws the pieces left on tiles they may no longer occupy (hand,
//     overflow temp; summons back onto their stack) — see _evictIllegal.
//   * Shop: per-level chess slots + item slot, copy-weighted rolls from the SHARED pool (pool.js); refresh 1 (free
//     refreshes first), one toggle freezes all unsold slots until the next round start (a manual refresh while frozen
//     rerolls everything and the new slots stay frozen), level-up price = base − rounds elapsed (floor 0).
//   * Merge: 3 normal copies (风丸 2) on board/hand/temp → 1 elite; equipment returns to the hand; a
//     reward offer of 3 different free chess of tier min(level+1, 6) is queued (never one operator twice — user
//     playtest #6 item 19; a short tier tops up from the tier below; pick 1, expires at prep end; an offer earned
//     after the prep — SETTLE / Final Assault effects — is kept for the next prep). Where the elite goes (PRTS
//     卫戍协议/帮助 "发送1名【精锐】状态的该干员至手牌区（若消耗已部署至作战区的干员，则发送至作战区对应位置）", user
//     playtest #6 follow-up): when a consumed copy stood on the board, onto that copy's tile with its facing (of several,
//     the one that deploys first — board.js mergeTile, [ASSUMED]); it replaces a deployed copy, so the deploy count
//     never grows, and it gets its own summon stack (grantTokensFor). Otherwise to the hand, overflow temp — also
//     outside PREP (a SETTLE merge's elite waits in temp for the next prep).
//   * Per-piece round counters (pieceRoundCount, piece.meta.round): an operator's own counts of the current round
//     (拉普兰德: the manual refreshes she witnessed — player feedback after 0.1.0); a new piece starts at 0, an elite
//     merged this round keeps the highest of its copies' [ASSUMED].
//   * Transformations (transformChess, 突变细胞 — PRTS 备注 "生效时，原干员销毁，获得一名高一阶的随机初始干员"): a destroy
//     followed by a gain. The carrier leaves wherever it stands (a board tile is freed, the deploy count drops), its
//     equipment — the cell included — returns to the hand first (overflow temp), then the new chess is gained like any
//     other (acquireChess: hand, overflow temp, the no-room rule; a merge it completes puts the elite on a consumed
//     deployed copy's tile — never the carrier's —, else in the hand). Official footage: the tile is empty at the next
//     prep and the new operator waits in the 整备区 (pointed out in PR #2).
//   * Items: equip max 2 (a 3rd replaces the equipped item the player picks — g.equip replaceUid, the oldest when
//     absent; equipped items are otherwise locked: g.destroy refuses them),
//     2 identical normal items (hand/temp/equipped) merge into the golden item in the hand, items are never sold
//     (destroy for 0). consume-on-equip items resolve through the effect registry and never take a slot.
//   * Tokens (PRTS 卫戍协议/帮助 §战斗部署, user playtest #6): placing an owner with manually deployable summons
//     (tokens.json `placeable`: 赫默's 医疗探机 and 巫恋's 诅咒娃娃 with their S2, 凯瑟琳's 爬行号·防护单元, 海嗣 / 狼群 /
//     流形) sends one stack (deployLimit copies — 凯瑟琳 2) to the hand, placed by hand like any piece (no deploy slot);
//     withdrawing/selling/merging the owner removes its tokens (an elite that takes a merged copy's tile gets a fresh
//     stack of its own, like any deployment), moving it on the board (also when a summon dragged onto
//     it swaps it away) sends its placed summons back onto their stack ("移动干员时，其所属召唤物全部退场并重置至手牌区");
//     a summon stack removed from temp at a prep deadline comes back at the next round start (startRound tops every
//     board owner's summons up to the deploy limit, "干员所属召唤物会于下一回合返还"). In battle a skill's summon takes its
//     tile when the skill fires (sim/content/tokens.js dockSkillSummons). A summon whose text reads "只能部署在召唤者
//     攻击范围内" (tokens.json `ownerRange`: the tacticians' 狼群 / 流形 — their tactical point; player report #9 after
//     0.1.0) only goes on a tile of its owner's attack range (_legal / summonRange: the loadout's grid rotated by the
//     owner's facing); a swap with its owner is checked from the owner's new tile, and one an in-place re-orientation
//     (or a promotion) leaves outside goes back onto its stack (recompute → _liftOutOfRange) [ASSUMED: kept when still
//     inside]. A re-orientation that would leave such a summon with no stack and no free hand / temp slot is refused
//     (HAND_FULL); elsewhere (a promotion, an owner moved with no room) it leaves the board and its stack comes back at
//     the next round start (grantTokensFor) — no out-of-range placement reaches the battle.
//   * Facing (DESIGN §3, research 09 §1.2): every board piece has `dir` ∈ UP|RIGHT|DOWN|LEFT (server/sim/dir.js), set
//     by g.move {…, dir} (absent ⇒ RIGHT) and kept across rounds. g.move onto the piece's OWN tile re-orients it in
//     place; a swap keeps the occupant's dir; a piece put on the board by an effect (a merge elite taking a consumed
//     copy's tile) keeps that tile's dir, anything else defaults to RIGHT (`pieceDir`). g.art {…, dir} rotates the
//     Art's range (画卷 1-1: its tile + the tile in front).
//   * Operator loadout (DESIGN §16): the human's checked `seat.loadout` ({ [baseChessId]: { skill, module } }, entries
//     equal to the defaults dropped) is re-checked against this match's data (shared/protocol.js checkLoadout; a
//     mismatch falls back to the defaults) and kept frozen; bots always use the defaults. Match.setLoadout may replace
//     it during INFO_CHECK only. battleInput() resolves every chess unit to `skillIndex` + `moduleId` (resolveLoadout:
//     normal chess → moduleId null, elite → uniEquipId | 'none'); m.private exposes `loadout`.
//
// Code layout: this file keeps the constructor (the per-player state fields); the methods live in
// server/match/player/, one module per concern, and are installed on PlayerState.prototype below in a fixed order,
// with the descriptors of class methods (non-enumerable getters included; `this` is the player state):
//   basics.js     seat flags and counts (getters), the temp due prep, the operator loadout, the deploy map and the
//                 eviction after a terrain / deploy-field change, dirty
//   pieces.js     piece bookkeeping: new pieces, lookup, detach / stow, per-piece round counters, pool copies,
//                 summon stacks
//   acquire.js    gains and merges: acquireChess / acquireItem, the chess and item merges, promotion,
//                 transformation, reward / item offers
//   economy.js    funds, spending, prep-side layer gains, the shop (prices, rolls) and its intents: buy, refresh,
//                 freeze, levelUp, sell
//   placement.js  g.move: placement legality, summon ranges, board / hand / temp moves and swaps, re-orientation
//   items.js      g.equip, g.art, g.destroy
//   prep.js       the prep-intent gate, g.reward, Ready, the temp resolution
//   round.js      the round lifecycle the match calls (startRound, endPrep, eliminate, recompute, bond views) and
//                 battleInput
//   views.js      pieceView, effectsView, m.private (privateView)
//   common.js     HAND_SIZE, TEMP_SIZE, MAX_OFFER_SLOTS, OK, fail

import { FIELD } from './board.js';
import { computeBonds } from './bondsMeta.js';
import { HAND_SIZE, TEMP_SIZE } from './player/common.js';
import { PlayerBasics } from './player/basics.js';
import { PlayerPieces } from './player/pieces.js';
import { PlayerAcquire } from './player/acquire.js';
import { PlayerEconomy } from './player/economy.js';
import { PlayerPlacement } from './player/placement.js';
import { PlayerItems } from './player/items.js';
import { PlayerPrep } from './player/prep.js';
import { PlayerRound } from './player/round.js';
import { PlayerViews } from './player/views.js';

export class PlayerState {
  /**
   * @param {import('./Match.js').Match} m owning match
   * @param {{ seat: number, playerId: string, name: string, isBot: boolean, connected: boolean }} seat
   */
  constructor(m, seat) {
    this.m = m;
    this.gd = m.gd;
    this.playerId = seat.playerId;
    this.seat = seat.seat;
    this.name = seat.name;
    this.isBot = !!seat.isBot;
    this.connected = this.isBot ? true : !!seat.connected;
    this.left = false;
    this.autoplay = false;
    this.alive = true;
    this.lp = 0;
    this.bandId = null;
    this.funds = 0;
    this.pendingFunds = 0;
    this.ready = false;
    this.infoReady = this.isBot;
    this.lastEmoteAt = -Infinity;
    /** operator loadout (DESIGN §16): frozen { [baseChessId]: { skill, module } }, {} = every chess on its defaults */
    this.loadout = Object.freeze({});
    if (!this.isBot && seat.loadout) this.setLoadout(seat.loadout);
    this.shop = { level: 1, upgradePrice: this.gd.upgradeBase(1) ?? 0, slots: [], frozen: false, freeRefreshes: 0 };
    /** reward offers queue (merge rewards, special refreshes): { tier, source, label, slots: [{ kind, id, price, sold }] } */
    this.offers = [];
    /** @type {Array<any>} */
    this.hand = new Array(HAND_SIZE).fill(null);
    /** @type {Array<any>} */
    this.temp = new Array(TEMP_SIZE).fill(null);
    /** preps of this player that ended so far (endPrep) = index of the current (or next) prep */
    this.prepsEnded = 0;
    /** @type {Map<number, number>} temp piece uid → index of the prep whose deadline resolves it (see tempDue) */
    this._tempDue = new Map();
    /** @type {Map<string, any>} 'r,c' → piece */
    this.board = new Map();
    /** persistent bond layers */
    this.layers = {};
    /** computed bond states */
    this.bonds = {};
    /**
     * this round's IN_BATTLE layer gains of the finished normal battle ({ [bondId]: n }, Match._finishCombat) until
     * settle() makes them persistent — the views add them (bondsView, DESIGN §20.15); null otherwise
     */
    this.pendingLayerGains = null;
    /** optional per-bond count bonus written by effects */
    this.bondCountBonus = {};
    /** EffectRef list: { id, key, name, desc, iconKind, iconId, counter?, battle, params, data } */
    this.effects = [];
    /** active bounties: { id, card, roundsLeft, chooser } */
    this.bounties = [];
    /** free-form counters for content (ctx.counter / setCounter) */
    this.counters = {};
    /** per-round counters (reset at round start) */
    this.round = { refreshes: 0, buys: 0, sells: 0, spent: 0, gainedChess: 0, arts: 0 };
    this.deployCapBonus = 0;
    this.deployCapMin = 0;
    this.deviceOverrides = {};
    this.tileOverrides = {};
    this.stats = {
      dmgDealt: 0, kills: 0, leaks: 0, gold: 0, refreshes: 0, merges: 0, itemMerges: 0, itemsEquipped: 0,
      bossDamage: 0, lpLost: 0, buys: 0, sells: 0, perfectRounds: 0, fundsGained: 0, healing: 0,
    };
    this.eliminatedRound = null;
    this.lpAtFinal = null;
    /** last combat result for this player (unite carry state, bounties) */
    this.lastResult = null;
    this._deployMap = null;
    /** the deploy field of `_deployMap` ('normal' | 'bossL' | 'bossR', Match.deployFieldOf) */
    this._deployField = undefined;
    /** the deploy map changed since the board's legality was last checked (invalidateDeployMap) */
    this._legalityStale = false;
    /** Match.scheduleBotPrep: the latest bot prep of this seat (older sliced rehearsals drop out) */
    this._botPrepToken = 0;
    this.bonds = computeBonds(this.gd, this);
  }
}

// the method modules, in this order (a name defined twice is an error, never a silent override)
for (const part of [PlayerBasics, PlayerPieces, PlayerAcquire, PlayerEconomy, PlayerPlacement, PlayerItems, PlayerPrep, PlayerRound, PlayerViews]) {
  for (const key of Reflect.ownKeys(part.prototype)) {
    if (key === 'constructor') continue;
    if (Object.prototype.hasOwnProperty.call(PlayerState.prototype, key)) throw new Error(`PlayerState.${String(key)} is defined twice`);
    Object.defineProperty(PlayerState.prototype, key, Object.getOwnPropertyDescriptor(part.prototype, key));
  }
}

export { FIELD };