{% extends "base.html" %}
{% block title %}Game – Skins & Pins{% endblock %}


{% block content %}
<div id="game-app"
     x-data="gameApp()"
     x-init="init()"
     style="position:fixed; top:0; left:0; right:0; bottom:calc(var(--nav-height) + env(safe-area-inset-bottom)); display:flex; flex-direction:column; overflow:hidden;">

  {# ── Header ── #}
  <div class="game-header">
    <div style="display:flex; align-items:center; gap:0.75rem;">
      <button @click="view === 'score' ? prevHole() : cardPrev()" class="icon-btn"
              :disabled="view === 'score' ? currentHole <= 1 : cardView === 'strokes'">‹</button>
      <div style="text-align:center; flex:1;">
        <div class="hole-label" x-text="view === 'score' ? 'Hole ' + currentHole + ' / ' + (START_HOLE + GAME_HOLES - 1) : (cardView === 'strokes' ? 'Strokes' : cardView === 'points' ? 'Points' : 'Skins')"></div>
        <div style="font-size:0.72rem; color:var(--text-muted); margin-top:0.1rem;">
          <template x-if="view === 'score'">
            <span x-text="(HOLE_PARS[currentHole] ? 'Par ' + HOLE_PARS[currentHole] : '') + (HOLE_SIS[currentHole] ? ' · SI ' + HOLE_SIS[currentHole] : '')"></span>
          </template>
          <template x-if="view === 'card'">
            <span>{{ game.course_name or '' }}</span>
          </template>
        </div>
      </div>
      <button @click="view === 'score' ? nextHole() : cardNext()" class="icon-btn"
              :disabled="view === 'score' ? currentHole >= START_HOLE + GAME_HOLES - 1 : cardView === (GAME_FORMAT === 'skins' || SIDE_SKINS_ENABLED ? 'skins' : 'points')">›</button>

    </div>
  </div>

  {# ── Swipeable panels ── #}
  <div class="swipe-container"
       @touchstart="touchStart($event)"
       @touchend="touchEnd($event)">

    {# Score entry panel #}
    <div class="swipe-panel" :class="{ active: view === 'score' }">
      <div class="panel-scroll">

        {# Skip hole #}
        <div style="display:flex; justify-content:flex-end; padding: 0 0 0.75rem;">
          <button class="btn-skip"
                  :class="{ skipped: isSkipped(currentHole) }"
                  @click="toggleSkip(currentHole)">
            <span x-text="isSkipped(currentHole) ? '↩ Unskip hole' : 'Skip hole'"></span>
          </button>
        </div>

        <div x-show="!isSkipped(currentHole)" id="player-list">
          <template x-for="(p, idx) in players" :key="p.id">
            <div class="player-score-card"
                 draggable="true"
                 :class="{ 'drag-source': dragSrc === idx, 'drag-over': dragOver === idx }"
                 @dragstart="dragSrc = idx; $event.dataTransfer.effectAllowed = 'move'"
                 @dragenter.prevent="dragOver = idx"
                 @dragover.prevent
                 @drop.prevent="dropPlayer(idx)"
                 @dragend="endDrag()">
              <div class="psc-name">
                <span class="drag-handle"
                      @touchstart.stop="dragSrc = idx; touchStartX = null"
                      @touchmove.stop.prevent="touchDragMove($event)"
                      @touchend.stop="touchDragEnd()">⠿</span>
                <span x-text="p.name"></span>
                <template x-if="HAS_STROKE_INDEX && (STROKES_PER_HOLE[p.id] || {})[currentHole] > 0">
                  <span style="font-size:0.7rem; color:var(--accent); margin-left:0.35rem; font-weight:600;"
                        x-text="'+' + (STROKES_PER_HOLE[p.id] || {})[currentHole]"></span>
                </template>
                <template x-if="!HAS_STROKE_INDEX && p.playing_handicap != null">
                  <span style="font-size:0.7rem; color:var(--text-muted); margin-left:0.35rem;"
                        x-text="'HC ' + p.playing_handicap"></span>
                </template>
              </div>
              <div class="psc-controls">
                <span class="stroke-controls">
                  <button type="button" class="stroke-btn stroke-minus"
                          @click="adjustStrokes(currentHole, p.id, -1)">−</button>
                  <span class="stroke-val"
                        x-text="getScore(currentHole, p.id).strokes || '—'"></span>
                  <button type="button" class="stroke-btn stroke-plus"
                          @click="adjustStrokes(currentHole, p.id, 1)">+</button>
                </span>
                <template x-if="GAME_FORMAT === 'bingo_bango_bongo'">
                  <span>
                    <button type="button" class="bbb-btn bingo-btn"
                            :class="{ active: getScore(currentHole, p.id).bingo }"
                            @click="setBingo(currentHole, p.id)">Bingo</button>
                    <button type="button" class="bbb-btn bango-btn"
                            :class="{ active: getScore(currentHole, p.id).bango > 0 }"
                            @click="toggleBango(currentHole, p.id)">Bango</button>
                    <button type="button" class="bbb-btn bongo-btn"
                            :class="{ active: getScore(currentHole, p.id).bongo }"
                            @click="setBongo(currentHole, p.id)">Bongo</button>
                  </span>
                </template>
              </div>
            </div>
          </template>
        </div>

        <div x-show="isSkipped(currentHole)" class="empty-state" style="padding: 2rem 0;">
          <div class="empty-icon">⏭</div>
          <p>Hole {{ '{{ currentHole }}' }} skipped</p>
        </div>

        {% if game.status == 'active' %}
        <template x-if="allHolesDone()">
          <form method="post" action="/games/{{ game.id }}/finish" style="margin-top: 1rem;">
            <button type="submit" class="btn btn-primary">Finish game</button>
          </form>
        </template>
        {% endif %}

      </div>
    </div>

    {# Scorecard panel #}
    <div class="swipe-panel" :class="{ active: view === 'card' }">
      <div class="panel-scroll">
        {# Strokes scorecard #}
        <table class="scorecard" x-show="cardView === 'strokes'">
          <thead>
            <tr>
              <th>Hole</th>
              {% if hole_pars %}<th style="color:var(--text-muted);">Par</th>{% endif %}
              {% for p in players %}
              <th>
                {% if p.avatar and p.avatar.startswith('/') %}
                  <img src="{{ p.avatar }}" style="width:1.3rem;height:1.3rem;border-radius:50%;object-fit:cover;vertical-align:middle;">
                {% else %}
                  {{ p.avatar or '👤' }}
                {% endif %}<br>
                <a href="/users/{{ p.id }}" style="font-size:0.7rem; color:inherit; text-decoration:none;">{{ p.name.split()[0] }}</a>
              </th>
              {% endfor %}
            </tr>
          </thead>
          <tbody>
            {% for h in holes %}
            <tr :class="{ 'hole-skipped': isSkipped({{ h }}) }">
              <td class="hole-num">{{ h }}</td>
              {% if hole_pars %}<td class="score-cell" style="color:var(--text-muted);">{{ hole_pars.get(h, '—') }}</td>{% endif %}
              {% for p in players %}
              {% set sr = strokes_per_hole.get(p.id, {}).get(h, 0) %}
              <td class="score-cell">
                <span x-text="holeStrokesStr({{ h }}, '{{ p.id }}')"
                      :class="holeScoreClass({{ h }}, '{{ p.id }}')"></span>
                {% if has_stroke_index and sr > 0 %}<sup style="color:var(--accent); font-size:0.6em; line-height:0;">{{ '/' * sr }}</sup>{% endif %}
              </td>
              {% endfor %}
            </tr>
            {% endfor %}
          </tbody>
          <tfoot>
            <tr class="totals-row">
              <td>Total</td>
              {% if hole_pars %}<td style="color:var(--text-muted);">{{ hole_pars.values() | sum }}</td>{% endif %}
              {% for p in players %}
              <td x-text="Object.values(scores).reduce((sum, h) => sum + (h['{{ p.id }}']?.strokes || 0), 0) || '—'"></td>
              {% endfor %}
            </tr>
          </tfoot>
        </table>

        {# Points scorecard #}
        <table class="scorecard" x-show="cardView === 'points'">
          <thead>
            <tr>
              <th>Hole</th>
              {% for p in players %}
              <th>
                {% if p.avatar and p.avatar.startswith('/') %}
                  <img src="{{ p.avatar }}" style="width:1.3rem;height:1.3rem;border-radius:50%;object-fit:cover;vertical-align:middle;">
                {% else %}
                  {{ p.avatar or '👤' }}
                {% endif %}<br>
                <a href="/users/{{ p.id }}" style="font-size:0.7rem; color:inherit; text-decoration:none;">{{ p.name.split()[0] }}</a>
              </th>
              {% endfor %}
            </tr>
          </thead>
          <tbody>
            {% for h in holes %}
            <tr :class="{ 'hole-skipped': isSkipped({{ h }}) }">
              <td class="hole-num">{{ h }}</td>
              {% for p in players %}
              <td class="score-cell">
                <span x-text="holeTotalStr({{ h }}, '{{ p.id }}')"></span>
              </td>
              {% endfor %}
            </tr>
            {% endfor %}
          </tbody>
          <tfoot>
            <tr class="totals-row">
              <td>Total</td>
              {% for p in players %}
              <td x-text="fmt(totals['{{ p.id }}']?.total ?? 0)"></td>
              {% endfor %}
            </tr>
          </tfoot>
        </table>

        {# Skins scorecard #}
        <table class="scorecard" x-show="cardView === 'skins'">
          <thead>
            <tr>
              <th>Hole</th>
              {% if hole_pars %}<th style="color:var(--text-muted);">Par</th>{% endif %}
              {% for p in players %}
              <th>
                {% if p.avatar and p.avatar.startswith('/') %}
                  <img src="{{ p.avatar }}" style="width:1.3rem;height:1.3rem;border-radius:50%;object-fit:cover;vertical-align:middle;">
                {% else %}
                  {{ p.avatar or '👤' }}
                {% endif %}<br>
                <a href="/users/{{ p.id }}" style="font-size:0.7rem; color:inherit; text-decoration:none;">{{ p.name.split()[0] }}</a>
              </th>
              {% endfor %}
              <th style="color:var(--text-muted);">Skin</th>
            </tr>
          </thead>
          <tbody>
            {% for h in holes %}
            <tr :class="{ 'hole-skipped': isSkipped({{ h }}) }">
              <td class="hole-num">{{ h }}</td>
              {% if hole_pars %}<td class="score-cell" style="color:var(--text-muted);">{{ hole_pars.get(h, '—') }}</td>{% endif %}
              {% for p in players %}
              {% set sr = strokes_per_hole.get(p.id, {}).get(h, 0) %}
              <td class="score-cell">
                <span x-text="holeStrokesStr({{ h }}, '{{ p.id }}')"
                      :class="[holeScoreClass({{ h }}, '{{ p.id }}'), isSkinWinner({{ h }}, '{{ p.id }}') ? 'skin-winner' : '']"></span>
                {% if has_stroke_index and sr > 0 %}<sup style="color:var(--accent); font-size:0.6em; line-height:0;">{{ '/' * sr }}</sup>{% endif %}
              </td>
              {% endfor %}
              <td class="score-cell" x-text="skinHoleLabel({{ h }})"></td>
            </tr>
            {% endfor %}
          </tbody>
          <tfoot>
            <tr class="totals-row">
              <td x-text="SKIN_VALUE ? 'Value' : 'Skins'"></td>
              {% if hole_pars %}<td></td>{% endif %}
              {% for p in players %}
              <td x-text="SKIN_VALUE ? (parseFloat(calcSkins().money['{{ p.id }}'].toPrecision(4)) || 0) : (calcSkins().skins['{{ p.id }}'] || 0)"></td>
              {% endfor %}
              <td x-text="SKIN_VALUE ? (calcSkins().unclaimedMoney ? '(' + parseFloat(calcSkins().unclaimedMoney.toPrecision(4)) + ')' : '') : (calcSkins().unclaimed ? '(' + calcSkins().unclaimed + ')' : '')"></td>
            </tr>
          </tfoot>
        </table>

        {% if game.status == 'active' %}
        <template x-if="allHolesDone()">
          <form method="post" action="/games/{{ game.id }}/finish" style="margin-top: 1rem;">
            <button type="submit" class="btn btn-primary">Finish game</button>
          </form>
        </template>
        {% endif %}

      </div>
    </div>

  </div>{# end swipe-container #}

  {# ── View toggle ── #}
  <div class="view-toggle">
    <button @click="view = 'score'" :class="{ active: view === 'score' }">Score</button>
    <button @click="if (view === 'score') saveHole(currentHole); view = 'card'" :class="{ active: view === 'card' }">Card</button>
  </div>


</div>

<script>
const GAME_ID = "{{ game.id }}";
const GAME_HOLES = {{ game.holes_count }};
const GAME_FORMAT = "{{ game.format }}";
const SKINS_CARRYOVER = {{ carryover | tojson }};
const SKIN_VALUE = {{ skin_value | tojson }};
const SKIN_DOUBLE_BACK9 = {{ skin_double_back9 | tojson }};
const SKINS_NET = {{ skins_net | tojson }};
const SIDE_SKINS_ENABLED = {{ side_skins_enabled | tojson }};
const START_HOLE = {{ start_hole | tojson }};
const HOLE_PARS = {{ hole_pars | tojson }};
const HOLE_SIS = {{ hole_stroke_indices | tojson }};
const STROKES_PER_HOLE = {{ strokes_per_hole | tojson }};
const HAS_STROKE_INDEX = {{ has_stroke_index | tojson }};
const PLAYERS_DATA = {{ players | tojson }};

// Initial scores from server
const initialScores = {{ scores | tojson }};
const initialTotals = {{ totals | tojson }};

function gameApp() {
  return {
    view: 'score',
    cardView: 'strokes',
    currentHole: START_HOLE,
    players: [],
    scores: {},    // { hole: { uid: {strokes,bingo,bango,bongo} } }
    totals: {},
    skipped: new Set(),
    dirty: new Set(),
    ws: null,
    touchStartX: 0,
    dragSrc: null,
    dragOver: null,
    _skinsCache: null,

    init() {
      this.players = PLAYERS_DATA;

      // Load initial scores from server
      this.totals = initialTotals;
      for (const [hole, playerScores] of Object.entries(initialScores)) {
        const h = parseInt(hole);
        this.scores[h] = {};
        for (const [uid, s] of Object.entries(playerScores)) {
          this.scores[h][uid] = { strokes: s.strokes ?? 0, bingo: s.bingo, bango: s.bango, bongo: s.bongo };
        }
      }
      // Jump to the last scored hole for active games
      const scoredHoles = Object.keys(initialScores).map(Number).filter(h => Object.keys(initialScores[h]).length > 0);
      if (scoredHoles.length > 0) this.currentHole = Math.max(...scoredHoles);

      this.connectWs();
    },

    connectWs() {
      const proto = location.protocol === 'https:' ? 'wss' : 'ws';
      this.ws = new WebSocket(`${proto}://${location.host}/games/${GAME_ID}/ws`);
      this.ws.onmessage = (e) => {
        const msg = JSON.parse(e.data);
        if (msg.type === 'score_update') {
          const h = msg.hole;
          if (!this.scores[h]) this.scores[h] = {};
          for (const [uid, s] of Object.entries(msg.scores)) {
            this.scores[h][uid] = s;
          }
          this.totals = msg.totals;
          this._skinsCache = null;
        }
      };
      this.ws.onclose = () => setTimeout(() => this.connectWs(), 2000);
    },

    getScore(hole, uid) {
      return this.scores[hole]?.[uid] ?? { strokes: 0, bingo: 0, bango: 0.0, bongo: 0 };
    },

    _ensurePlayer(hole, uid) {
      if (!this.scores[hole]) this.scores[hole] = {};
      if (!this.scores[hole][uid]) this.scores[hole][uid] = { strokes: 0, bingo: 0, bango: 0.0, bongo: 0 };
    },

    adjustStrokes(hole, uid, delta) {
      this._ensurePlayer(hole, uid);
      const cur = this.scores[hole][uid].strokes;
      this.scores[hole][uid].strokes = cur ? Math.max(1, cur + delta) : (HOLE_PARS[hole] || 4);
      this.dirty.add(hole);
      this._skinsCache = null;
    },

    setBingo(hole, uid) {
      this._ensurePlayer(hole, uid);
      const current = this.scores[hole][uid].bingo;
      for (const p in this.scores[hole]) this.scores[hole][p].bingo = 0;
      this.scores[hole][uid].bingo = current ? 0 : 1;
      this.dirty.add(hole);
    },

    toggleBango(hole, uid) {
      this._ensurePlayer(hole, uid);
      this.scores[hole][uid].bango = this.scores[hole][uid].bango > 0 ? 0 : 1;
      // Recalculate split
      const winners = Object.entries(this.scores[hole]).filter(([, s]) => s.bango > 0).map(([u]) => u);
      const share = winners.length ? Math.round(10000 / winners.length) / 10000 : 0;
      for (const p in this.scores[hole]) this.scores[hole][p].bango = winners.includes(p) ? share : 0;
      this.dirty.add(hole);
    },

    setBongo(hole, uid) {
      this._ensurePlayer(hole, uid);
      const current = this.scores[hole][uid].bongo;
      for (const p in this.scores[hole]) this.scores[hole][p].bongo = 0;
      this.scores[hole][uid].bongo = current ? 0 : 1;
      this.dirty.add(hole);
    },

    saveHole(hole) {
      if (!this.dirty.has(hole)) return;
      this.dirty.delete(hole);
      const holeScores = this.scores[hole] ?? {};
      const params = new URLSearchParams();
      params.set('hole', hole);

      for (const [uid, s] of Object.entries(holeScores)) {
        if (s.bingo) params.set('bingo', uid);
        if (s.bongo) params.set('bongo', uid);
        if (s.strokes) params.append('strokes_' + uid, s.strokes);
      }
      const bangoWinners = Object.entries(holeScores).filter(([, s]) => s.bango > 0).map(([uid]) => uid);
      for (const uid of bangoWinners) params.append('bango', uid);

      fetch(`/games/${GAME_ID}/score`, { method: 'POST', body: params });
    },

    holeScoreClass(hole, uid) {
      const s = this.getScore(hole, uid);
      if (!s.strokes || this.isSkipped(hole)) return '';
      const par = HOLE_PARS[hole];
      if (!par) return '';
      if (s.strokes === 1) return 'score-hio';
      const diff = s.strokes - par;
      if (diff <= -2) return 'score-eagle';
      if (diff === -1) return 'score-birdie';
      if (diff === 1) return 'score-bogey';
      if (diff >= 2) return 'score-double-bogey';
      return '';
    },

    holeStrokesStr(hole, uid) {
      if (this.isSkipped(hole)) return '—';
      const s = this.getScore(hole, uid);
      return s.strokes ? s.strokes : '';
    },

    holeTotalStr(hole, uid) {
      if (this.isSkipped(hole)) return '—';
      const holeScores = this.scores[hole];
      if (!holeScores || Object.keys(holeScores).length === 0) return '';
      const s = this.getScore(hole, uid);
      const t = s.bingo + s.bango + s.bongo;
      return this.fmt(t);
    },

    toggleSkip(hole) {
      if (this.skipped.has(hole)) {
        this.skipped.delete(hole);
      } else {
        this.skipped.add(hole);
      }
      // Alpine reactivity workaround for Set
      this.skipped = new Set(this.skipped);
      this._skinsCache = null;
    },

    isSkipped(hole) {
      return this.skipped.has(hole);
    },

    allHolesDone() {
      for (let h = START_HOLE; h <= START_HOLE + GAME_HOLES - 1; h++) {
        if (this.isSkipped(h)) continue;
        const holeScores = this.scores[h];
        if (!holeScores || Object.keys(holeScores).length === 0) return false;
      }
      return true;
    },

    prevHole() { if (this.currentHole > START_HOLE) { this.saveHole(this.currentHole); this.currentHole--; } },
    nextHole() { if (this.currentHole < START_HOLE + GAME_HOLES - 1) { this.saveHole(this.currentHole); this.currentHole++; } },

    cardTabs() {
      if (GAME_FORMAT === 'skins') return ['strokes', 'skins'];
      if (SIDE_SKINS_ENABLED) return ['strokes', 'points', 'skins'];
      return ['strokes', 'points'];
    },
    cardNext() {
      const tabs = this.cardTabs();
      const idx = tabs.indexOf(this.cardView);
      if (idx < tabs.length - 1) this.cardView = tabs[idx + 1];
    },
    cardPrev() {
      const tabs = this.cardTabs();
      const idx = tabs.indexOf(this.cardView);
      if (idx > 0) this.cardView = tabs[idx - 1];
    },

    fmt(v) {
      return Number.isInteger(v) || v % 1 === 0 ? v.toFixed(0) : v.toFixed(1);
    },

    dropPlayer(targetIdx) {
      if (this.dragSrc === null || targetIdx === null || this.dragSrc === targetIdx) {
        this.dragSrc = null; this.dragOver = null; return;
      }
      const moved = this.players.splice(this.dragSrc, 1)[0];
      this.players.splice(targetIdx, 0, moved);
      this.dragSrc = null; this.dragOver = null;
    },

    endDrag() { this.dragSrc = null; this.dragOver = null; },

    touchDragMove(evt) {
      const touch = evt.touches[0];
      const el = document.elementFromPoint(touch.clientX, touch.clientY);
      const card = el?.closest('.player-score-card');
      if (!card) return;
      const cards = [...document.getElementById('player-list').querySelectorAll('.player-score-card')];
      const idx = cards.indexOf(card);
      if (idx !== -1) this.dragOver = idx;
    },

    touchDragEnd() { this.dropPlayer(this.dragOver ?? this.dragSrc); },

    calcSkins() {
      if (this._skinsCache) return this._skinsCache;
      const skins = {};
      const money = {};
      PLAYERS_DATA.forEach(p => { skins[p.id] = 0; money[p.id] = 0; });
      const holes = {};
      let pot = 0;
      let moneyPot = 0;
      for (let hole = START_HOLE; hole <= START_HOLE + GAME_HOLES - 1; hole++) {
        if (this.isSkipped(hole)) continue;
        const holeScores = this.scores[hole] || {};
        const scored = PLAYERS_DATA
          .map(p => {
            const gross = holeScores[p.id]?.strokes || 0;
            const net = SKINS_NET ? gross - ((STROKES_PER_HOLE[p.id] || {})[hole] || 0) : gross;
            return { id: p.id, strokes: net, gross };
          })
          .filter(x => x.gross > 0);
        if (scored.length === 0) continue;
        pot += 1;
        if (SKIN_VALUE) moneyPot += SKIN_VALUE * (SKIN_DOUBLE_BACK9 && hole >= 10 ? 2 : 1);
        const min = Math.min(...scored.map(x => x.strokes));
        const winners = scored.filter(x => x.strokes === min);
        if (winners.length === 1) {
          skins[winners[0].id] += pot;
          money[winners[0].id] += moneyPot;
          holes[hole] = { winner: winners[0].id, pot, moneyPot };
          pot = 0;
          moneyPot = 0;
        } else {
          holes[hole] = { winner: null, pot, moneyPot };
          if (!SKINS_CARRYOVER) { pot = 0; moneyPot = 0; }
        }
      }
      this._skinsCache = { skins, money, holes, unclaimed: pot, unclaimedMoney: moneyPot };
      return this._skinsCache;
    },

    isSkinWinner(hole, uid) {
      return this.calcSkins().holes[hole]?.winner === uid;
    },

    skinHoleLabel(hole) {
      const h = this.calcSkins().holes[hole];
      if (!h) return '';
      if (SKIN_VALUE) {
        const v = parseFloat(h.moneyPot.toPrecision(4));
        if (h.winner) return '' + v;
        return '→ ' + v;
      }
      if (h.winner) return h.pot > 1 ? '✓ ' + h.pot : '✓';
      return '→ ' + h.pot;
    },

    touchStart(e) {
      if (e.target.closest('.drag-handle')) return;
      this.touchStartX = e.changedTouches[0].screenX;
    },
    touchEnd(e) {
      if (!this.touchStartX) return;
      const dx = e.changedTouches[0].screenX - this.touchStartX;
      this.touchStartX = 0;
      if (Math.abs(dx) < 60) return;
      if (this.view === 'score') {
        if (dx < 0) this.nextHole(); else this.prevHole();
      } else {
        if (dx < 0) this.cardNext(); else this.cardPrev();
      }
    },
  };
}
</script>
{% endblock %}