'use strict';

/**
 * AutoStore Bot Web 控制台前端逻辑。
 *
 * 三块职责：
 * 1. 通过 WebSocket 接收实时状态与日志，渲染左侧状态面板；
 * 2. 根据配置 schema 动态生成右侧配置表单，读写 `/api/config`；
 * 3. 用 Canvas 绘制领土地图（支持缩放 / 平移 / 图层开关）。
 */

// ==================== 工具 ====================

const $ = (id) => document.getElementById(id);

/** 取 URL 上的 token 参数，后续所有请求都带上 */
const TOKEN = new URLSearchParams(location.search).get('token') || '';

function api(path, options) {
  const opts = options || {};
  const headers = Object.assign({ 'Content-Type': 'application/json' }, opts.headers || {});
  if (TOKEN) headers['X-Auth-Token'] = TOKEN;
  return fetch(path, Object.assign({}, opts, { headers })).then(async (res) => {
    let body = null;
    try {
      body = await res.json();
    } catch {
      body = { ok: false, message: 'HTTP ' + res.status };
    }
    if (!res.ok || body.ok === false) {
      throw new Error(body.message || ('HTTP ' + res.status));
    }
    return body;
  });
}

let toastTimer = null;
function toast(message, isError) {
  const el = $('toast');
  el.textContent = message;
  el.className = 'toast show' + (isError ? ' error' : '');
  if (toastTimer) clearTimeout(toastTimer);
  toastTimer = setTimeout(() => { el.className = 'toast'; }, 3500);
}

function fmtTime(ts) {
  if (!ts) return '-';
  const d = new Date(ts);
  const pad = (n) => String(n).padStart(2, '0');
  return `${pad(d.getHours())}:${pad(d.getMinutes())}:${pad(d.getSeconds())}`;
}

function fmtAgo(ts) {
  if (!ts) return '从未';
  const seconds = Math.floor((Date.now() - ts) / 1000);
  if (seconds < 5) return '刚刚';
  if (seconds < 60) return seconds + ' 秒前';
  if (seconds < 3600) return Math.floor(seconds / 60) + ' 分钟前';
  return fmtTime(ts);
}

// ==================== 配置 schema ====================

const STRATEGY_OPTIONS = [
  { value: 1, label: '1 - 方形外扩（优先填洞）' },
  { value: 2, label: '2 - 区域扩地（S 形扫描）' },
  { value: 3, label: '3 - 玩家周围扩地' },
  { value: 4, label: '4 - 绕国一圈' }
];

const WATER_MODE_OPTIONS = [
  { value: 'avoid', label: 'avoid - 绕开水域（推荐）' },
  { value: 'swim', label: 'swim - 游泳通过' },
  { value: 'boat', label: 'boat - 放船渡水（Grim 风险高）' }
];

/**
 * 配置表单 schema：每个 tab 下若干分组，每组若干字段。
 * path 为配置对象里的点分路径。
 */
const CONFIG_SCHEMA = {
  strategy: [
    {
      title: '扩地策略',
      fields: [
        { path: 'strategy', label: '策略', type: 'select', options: STRATEGY_OPTIONS },
        { path: 'stateName', label: '目标邦国', type: 'text', hint: '留空则自动识别机器人所在邦国' },
        { path: 'targetCount', label: '目标扩地数量', type: 'number', min: -1, hint: '-1 表示持续扩地直到无可用区块' },
        { path: 'maxRings', label: '扩圈上限', type: 'number', min: 0, hint: '0 表示不限制' }
      ]
    },
    {
      title: '区域扩地范围（仅策略 2）',
      fields: [
        { path: 'regionMinX', label: '矩形 minX（区块）', type: 'number' },
        { path: 'regionMaxX', label: '矩形 maxX（区块）', type: 'number', hint: 'maxX < minX 表示未圈选，改用中心 + 半径' },
        { path: 'regionMinZ', label: '矩形 minZ（区块）', type: 'number' },
        { path: 'regionMaxZ', label: '矩形 maxZ（区块）', type: 'number' },
        { path: 'regionCenterX', label: '中心 X（区块）', type: 'number' },
        { path: 'regionCenterZ', label: '中心 Z（区块）', type: 'number' },
        { path: 'regionRadius', label: '半径（区块）', type: 'number', min: 1 }
      ]
    }
  ],
  timing: [
    {
      title: '超时与重试',
      fields: [
        { path: 'waitTimeoutSeconds', label: '等待 / 寻路超时（秒）', type: 'number', min: 5 },
        { path: 'retries', label: '超时后最大重试次数', type: 'number', min: 1 },
        { path: 'returnThresholdSeconds', label: '连续超时回城阈值（秒）', type: 'number', min: 0 },
        { path: 'returnWaitSeconds', label: '回城等待传送（秒）', type: 'number', min: 1 },
        { path: 'sideStepMaxRounds', label: '往边上走两步最大轮数', type: 'number', min: 0 }
      ]
    },
    {
      title: '开垦时段限制',
      fields: [
        { path: 'enforceClaimTime', label: '启用时段限制', type: 'checkbox' },
        { path: 'claimStartHour', label: '起始小时（含）', type: 'number', min: 0, max: 23 },
        { path: 'claimEndHour', label: '结束小时（不含）', type: 'number', min: 1, max: 24 }
      ]
    }
  ],
  pathing: [
    {
      title: '寻路行为',
      fields: [
        { path: 'allowSprint', label: '允许疾跑', type: 'checkbox' },
        { path: 'allowSwim', label: '允许游泳', type: 'checkbox' },
        { path: 'allowJump', label: '允许跳跃', type: 'checkbox' },
        { path: 'allowBreak', label: '允许破坏方块', type: 'checkbox', hint: 'Grim 对破坏速度检查严格，默认关闭' },
        { path: 'allowPlace', label: '允许放置方块', type: 'checkbox', hint: 'Grim 对放置检查严格，默认关闭' },
        { path: 'altitudePreference', label: '高度偏好（优先走高处）', type: 'checkbox' },
        { path: 'altitudeWeight', label: '高度偏好权重', type: 'number', step: 0.01, min: 0 }
      ]
    },
    {
      title: '寻路器专属',
      fields: [
        { path: 'pathing.allowParkour', label: '允许跑酷跳跃', type: 'checkbox', hint: 'mineflayer 起跳时机与原版有偏差，默认关闭' },
        { path: 'pathing.allow1by1towers', label: '允许 1×1 搭塔', type: 'checkbox' },
        { path: 'pathing.maxDropDown', label: '最大下落高度（格）', type: 'number', min: 0 },
        { path: 'pathing.liquidCost', label: '液体格额外代价', type: 'number', min: 1 },
        { path: 'pathing.canOpenDoors', label: '允许开门', type: 'checkbox' }
      ]
    }
  ],
  survival: [
    {
      title: '生存辅助',
      fields: [
        { path: 'avoidMobs', label: '避开怪物', type: 'checkbox' },
        { path: 'autoEat', label: '自动进食', type: 'checkbox' },
        { path: 'eatThreshold', label: '进食饥饿阈值', type: 'number', min: 0, max: 20 },
        { path: 'autoAttack', label: '自动攻击敌对生物', type: 'checkbox' },
        { path: 'durabilityGuard', label: '耐久保护', type: 'checkbox' },
        { path: 'durabilityThreshold', label: '耐久保护阈值（%）', type: 'number', min: 1, max: 99 }
      ]
    },
    {
      title: '战斗筛选',
      fields: [
        { path: 'combat.scanRange', label: '索敌半径（格）', type: 'number', step: 0.5, min: 1 },
        { path: 'combat.attackEnderman', label: '攻击末影人', type: 'checkbox', hint: 'mineflayer 读不到「是否被激怒」，默认不打' },
        { path: 'combat.attackSpiders', label: '攻击蜘蛛', type: 'checkbox', hint: 'mineflayer 读不到环境亮度，默认不打' },
        { path: 'combat.attackPiglins', label: '攻击猪灵（未穿金甲时）', type: 'checkbox' },
        { path: 'combat.avoidDangerousMobs', label: '跳过监守者 / 末影龙 / 凋灵', type: 'checkbox' }
      ]
    },
    {
      title: '水域处理',
      fields: [
        { path: 'waterMode', label: '水域策略', type: 'select', options: WATER_MODE_OPTIONS },
        { path: 'autoBoat', label: '启用自动用船', type: 'checkbox', hint: 'mineflayer 无载具物理，Grim 的 Vehicle 检查风险高，默认关闭' },
        { path: 'autoBoatMinWidth', label: '触发用船的最小水面宽度（格）', type: 'number', min: 1 },
        { path: 'autoBoatMinLength', label: '触发用船的最短水域长度（格）', type: 'number', min: 1 }
      ]
    }
  ],
  data: [
    {
      title: '地图数据源',
      fields: [
        { path: 'refreshIntervalSeconds', label: '地图刷新间隔（秒）', type: 'number', min: 10 }
      ]
    },
    {
      title: 'SimpCore 开放 API',
      fields: [
        { path: 'apiEnabled', label: '启用 API 数据源', type: 'checkbox' },
        { path: 'apiKey', label: 'API Key', type: 'password', hint: '留空则回退读环境变量 SIMP_API_KEY' },
        { path: 'apiRefreshIntervalSeconds', label: 'API 轮询间隔（秒）', type: 'number', min: 60 }
      ]
    }
  ],
  grim: [
    {
      title: 'Grim 反作弊合规层',
      fields: [
        { path: 'grim.enabled', label: '启用合规层', type: 'checkbox', hint: '仅在本地测试服才建议关闭' },
        { path: 'grim.maxRotationPerTickDeg', label: '每 tick 最大旋转（度）', type: 'number', step: 0.1, min: 1, max: 180, hint: 'mineflayer 物理限速约 8.6°/tick，实际取两者较小值' },
        { path: 'grim.attackReach', label: '攻击距离（格）', type: 'number', step: 0.1, min: 1, max: 6 },
        { path: 'grim.requireLineOfSight', label: '攻击前校验视线', type: 'checkbox' },
        { path: 'grim.respectAttackCooldown', label: '遵守攻击冷却', type: 'checkbox' },
        { path: 'grim.stopMovementWhileEating', label: '进食时停止移动', type: 'checkbox' },
        { path: 'grim.blockSprintJump', label: '禁止疾跑跳跃', type: 'checkbox', hint: '疾跑跳本身是原版合法动作，仅在实测被标记时开启' },
        { path: 'grim.blockConflictingActions', label: '拦截冲突动作组合', type: 'checkbox' },
        { path: 'grim.checkPhysicsIntegrity', label: '启动物理参数自检', type: 'checkbox' },
        { path: 'grim.blockActionsWhileRiding', label: '骑乘时禁止攻击 / 进食', type: 'checkbox' }
      ]
    }
  ],
  server: [
    {
      title: '服务器交互',
      fields: [
        { path: 'server.claimCommand', label: '开垦模式指令', type: 'text', hint: '不带斜杠；留空表示服务器自动开启' },
        { path: 'server.loginCommand', label: '登录指令模板', type: 'text', hint: '用 {password} 占位，密码取自 .env 的 MC_PASSWORD' },
        { path: 'server.registerCommand', label: '注册指令模板', type: 'text', hint: '留空则不自动注册' },
        { path: 'server.commandCooldownMs', label: '指令最小间隔（毫秒）', type: 'number', min: 0 },
        { path: 'server.autoReconnect', label: '断线自动重连', type: 'checkbox' },
        { path: 'server.reconnectDelayMs', label: '重连间隔（毫秒）', type: 'number', min: 1000 }
      ]
    }
  ]
};

// ==================== 配置读写 ====================

let currentConfig = null;

function getByPath(obj, path) {
  return path.split('.').reduce((acc, key) => (acc == null ? undefined : acc[key]), obj);
}

function setByPath(obj, path, value) {
  const keys = path.split('.');
  let cursor = obj;
  for (let i = 0; i < keys.length - 1; i++) {
    if (cursor[keys[i]] == null || typeof cursor[keys[i]] !== 'object') cursor[keys[i]] = {};
    cursor = cursor[keys[i]];
  }
  cursor[keys[keys.length - 1]] = value;
}

let activeTab = 'strategy';

function renderConfig() {
  const body = $('configBody');
  body.innerHTML = '';
  const groups = CONFIG_SCHEMA[activeTab] || [];
  for (const group of groups) {
    const title = document.createElement('div');
    title.className = 'group-title';
    title.textContent = group.title;
    body.appendChild(title);
    for (const field of group.fields) {
      body.appendChild(buildField(field));
    }
  }
}

function buildField(field) {
  const wrap = document.createElement('div');
  wrap.className = 'field';
  const label = document.createElement('label');
  label.textContent = field.label;
  wrap.appendChild(label);

  const value = getByPath(currentConfig, field.path);

  if (field.type === 'checkbox') {
    const inline = document.createElement('div');
    inline.className = 'field-inline';
    const input = document.createElement('input');
    input.type = 'checkbox';
    input.checked = value === true;
    input.dataset.path = field.path;
    input.dataset.type = 'checkbox';
    inline.appendChild(input);
    wrap.appendChild(inline);
  } else if (field.type === 'select') {
    const select = document.createElement('select');
    select.className = 'input';
    select.dataset.path = field.path;
    select.dataset.type = 'select';
    for (const option of field.options) {
      const opt = document.createElement('option');
      opt.value = String(option.value);
      opt.textContent = option.label;
      if (String(value) === String(option.value)) opt.selected = true;
      select.appendChild(opt);
    }
    wrap.appendChild(select);
  } else {
    const input = document.createElement('input');
    input.className = 'input';
    input.type = field.type === 'password' ? 'password' : (field.type === 'number' ? 'number' : 'text');
    if (field.min !== undefined) input.min = field.min;
    if (field.max !== undefined) input.max = field.max;
    if (field.step !== undefined) input.step = field.step;
    input.value = value === undefined || value === null ? '' : String(value);
    input.dataset.path = field.path;
    input.dataset.type = field.type;
    wrap.appendChild(input);
  }

  if (field.hint) {
    const hint = document.createElement('div');
    hint.className = 'hint';
    hint.textContent = field.hint;
    wrap.appendChild(hint);
  }
  return wrap;
}

function collectConfig() {
  const result = JSON.parse(JSON.stringify(currentConfig || {}));
  for (const input of $('configBody').querySelectorAll('[data-path]')) {
    const path = input.dataset.path;
    const type = input.dataset.type;
    let value;
    if (type === 'checkbox') value = input.checked;
    else if (type === 'select') {
      const raw = input.value;
      value = /^-?\d+$/.test(raw) ? Number(raw) : raw;
    } else if (type === 'number') value = input.value === '' ? 0 : Number(input.value);
    else value = input.value;
    setByPath(result, path, value);
  }
  return result;
}

async function loadConfig() {
  try {
    const res = await api('/api/config');
    currentConfig = res.data;
    renderConfig();
  } catch (err) {
    toast('读取配置失败：' + err.message, true);
  }
}

async function saveConfig() {
  try {
    const config = collectConfig();
    const res = await api('/api/config', { method: 'POST', body: JSON.stringify(config) });
    currentConfig = res.data;
    renderConfig();
    toast('配置已保存并应用');
  } catch (err) {
    toast('保存配置失败：' + err.message, true);
  }
}

// ==================== 状态渲染 ====================

let lastStatus = null;

function renderStatus(status) {
  lastStatus = status;
  const bot = status.bot || {};
  const task = status.task || {};
  const data = status.data || {};

  // ===== 顶栏徽标 =====
  const connBadge = $('connBadge');
  const stateText = { online: '已连接', connecting: '连接中', offline: '已断开', idle: '未连接' };
  connBadge.textContent = stateText[bot.state] || bot.state || '未知';
  connBadge.className = 'badge ' + (bot.state === 'online' ? 'badge-online' : 'badge-offline');

  const taskBadge = $('taskBadge');
  taskBadge.textContent = task.state || 'IDLE';
  taskBadge.className = 'badge ' + (task.running ? 'badge-running' : (task.state === 'COMPLETE' ? 'badge-online' : 'badge-idle'));

  // ===== 连接卡片 =====
  $('kServer').textContent = bot.host || '-';
  $('kUsername').textContent = bot.username || '-';
  $('kVersion').textContent = bot.version || '-';
  $('kPos').textContent = bot.position
    ? `${bot.position.x} / ${bot.position.y} / ${bot.position.z}`
    : '-';
  $('kChunk').textContent = bot.chunk ? `${bot.chunk.x}, ${bot.chunk.z}` : '-';
  $('kHealth').textContent = bot.health === null || bot.health === undefined
    ? '-'
    : `${bot.health.toFixed(1)} / ${bot.food === null || bot.food === undefined ? '-' : bot.food}`;
  $('kBotState').textContent = (bot.loggedIn ? '已登录 · ' : '') + (bot.riding ? '乘船中 · ' : '') + (bot.inWater ? '水中' : '陆地');
  $('kReconnect').textContent = String(bot.reconnectAttempts || 0);

  // ===== 任务卡片 =====
  $('kTaskState').textContent = task.state || 'IDLE';
  $('kTaskStatus').textContent = task.status || '-';
  $('kTarget').textContent = task.target ? `${task.target.x}, ${task.target.z}` : '-';
  $('kQueue').textContent = String(task.queuedTargets || 0);
  $('kCompleted').textContent = String(task.completedClaims || 0);
  $('kRetry').textContent = String(task.retryCount || 0);
  $('kProgress').textContent = (task.lastProgress || 0) + '%';
  $('kTimeout').textContent = Math.round((task.consecutiveTimeoutMs || 0) / 1000) + 's';
  $('kClaimTime').textContent = task.withinClaimTime ? '时段内' : '时段外';
  $('progressBar').style.width = (task.lastProgress || 0) + '%';

  // ===== 数据源卡片 =====
  $('kMarkersUrl').textContent = data.markersUrl || '-';
  $('kLastFetch').textContent = data.lastSuccessfulFetchMillis ? fmtAgo(data.lastSuccessfulFetchMillis) : '从未';
  $('kDataError').textContent = data.lastError || '无';
  $('kDataError').style.color = data.lastError ? 'var(--red)' : '';
  $('kStateCount').textContent = String(data.stateCount || 0);
  $('kClaimed').textContent = String(data.claimedChunks || 0);
  $('kSession').textContent = String(data.sessionClaims || 0);
  $('kFlying').textContent = String(data.flyingChunks || 0);
  $('kApi').textContent = data.apiEnabled
    ? `已启用（${data.apiTerritoryCount || 0} 国，最近成功 ${data.apiLastSuccessMillis ? fmtAgo(data.apiLastSuccessMillis) : '从未'}）`
    : '未启用';
  if (data.apiError) $('kApi').textContent += ' · ' + data.apiError;

  // ===== Grim 卡片 =====
  const grim = bot.grim;
  if (grim) {
    $('kGrimEnabled').textContent = grim.enabled ? '已启用' : '已关闭';
    $('kGrimRot').textContent = `${grim.maxRotationPerTickDeg}°（实际 ${grim.effectiveStepDeg}°/tick）`;
    $('kGrimSettled').textContent = grim.rotationSettled ? '是' : '否';
    $('kGrimReach').textContent = grim.attackReach + ' 格';
    $('kGrimCooldown').textContent = grim.attackCooldownMs > 0 ? grim.attackCooldownMs + ' ms' : '就绪';
    $('kGrimBlocked').textContent = String(grim.blockedActions || 0);
    $('kGrimAudit').textContent = grim.physicsOk ? '通过' : '异常';
    $('kGrimAudit').style.color = grim.physicsOk ? 'var(--green)' : 'var(--red)';
    const issues = $('grimIssues');
    issues.innerHTML = '';
    for (const issue of grim.issues || []) {
      const li = document.createElement('li');
      li.textContent = issue;
      issues.appendChild(li);
    }
  }
}

// ==================== 日志 ====================

const MAX_LOG_LINES = 800;

function appendLog(entry) {
  const view = $('logView');
  const line = document.createElement('span');
  line.className = 'log-line log-' + (entry.level || 'info');
  const time = document.createElement('span');
  time.className = 'log-time';
  time.textContent = '[' + entry.time + ']';
  line.appendChild(time);
  line.appendChild(document.createTextNode(entry.message));
  view.appendChild(line);
  while (view.childNodes.length > MAX_LOG_LINES) view.removeChild(view.firstChild);
  if ($('chkAutoScroll').checked) view.scrollTop = view.scrollHeight;
}

function renderLogs(entries) {
  $('logView').innerHTML = '';
  for (const entry of entries) appendLog(entry);
}

// ==================== 地图 ====================

const mapView = {
  centerX: 0,
  centerZ: 0,
  scale: 2,
  dragging: false,
  lastX: 0,
  lastY: 0,
  data: null,
  /** 是否已经按玩家位置做过首次居中 */
  centered: false
};

function initMap() {
  const canvas = $('mapCanvas');
  const ctx = canvas.getContext('2d');

  const resize = () => {
    const rect = canvas.getBoundingClientRect();
    const dpr = window.devicePixelRatio || 1;
    canvas.width = Math.max(1, Math.floor(rect.width * dpr));
    canvas.height = Math.max(1, Math.floor(rect.height * dpr));
    ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
    drawMap();
  };
  window.addEventListener('resize', resize);

  canvas.addEventListener('mousedown', (e) => {
    mapView.dragging = true;
    mapView.lastX = e.clientX;
    mapView.lastY = e.clientY;
  });
  window.addEventListener('mouseup', () => { mapView.dragging = false; });
  window.addEventListener('mousemove', (e) => {
    if (!mapView.dragging) return;
    const dx = e.clientX - mapView.lastX;
    const dy = e.clientY - mapView.lastY;
    mapView.lastX = e.clientX;
    mapView.lastY = e.clientY;
    mapView.centerX -= dx / mapView.scale;
    mapView.centerZ -= dy / mapView.scale;
    drawMap();
  });
  canvas.addEventListener('wheel', (e) => {
    e.preventDefault();
    const factor = e.deltaY < 0 ? 1.15 : 1 / 1.15;
    mapView.scale = Math.min(24, Math.max(0.15, mapView.scale * factor));
    drawMap();
  }, { passive: false });

  setTimeout(resize, 0);
  window.addEventListener('resize', resize);
}

function chunkToScreen(cx, cz, canvas) {
  const rect = canvas.getBoundingClientRect();
  const w = rect.width;
  const h = rect.height;
  const scale = mapView.scale;
  return {
    x: w / 2 + (cx - mapView.centerX) * scale,
    y: h / 2 + (cz - mapView.centerZ) * scale,
    scale
  };
}

function drawMap() {
  const canvas = $('mapCanvas');
  const ctx = canvas.getContext('2d');
  const rect = canvas.getBoundingClientRect();
  const w = rect.width;
  const h = rect.height;
  ctx.clearRect(0, 0, w, h);
  ctx.fillStyle = '#05070a';
  ctx.fillRect(0, 0, w, h);

  const data = mapView.data;
  const scale = mapView.scale;
  const cell = Math.max(1, scale);

  const drawChunks = (flat, color) => {
    ctx.fillStyle = color;
    for (let i = 0; i < flat.length; i += 2) {
      const p = chunkToScreen(flat[i], flat[i + 1], canvas);
      if (p.x < -cell || p.y < -cell || p.x > w + cell || p.y > h + cell) continue;
      ctx.fillRect(p.x, p.y, cell, cell);
    }
  };

  // 网格
  if ($('chkGrid').checked && scale >= 1.2) {
    ctx.strokeStyle = 'rgba(255,255,255,0.045)';
    ctx.lineWidth = 1;
    const halfX = w / 2 / scale;
    const halfZ = h / 2 / scale;
    const startX = Math.floor(mapView.centerX - halfX);
    const endX = Math.ceil(mapView.centerX + halfX);
    const startZ = Math.floor(mapView.centerZ - halfZ);
    const endZ = Math.ceil(mapView.centerZ + halfZ);
    ctx.beginPath();
    for (let x = startX; x <= endX; x++) {
      const sx = Math.round(chunkToScreen(x, 0, canvas).x) + 0.5;
      ctx.moveTo(sx, 0); ctx.lineTo(sx, h);
    }
    for (let z = startZ; z <= endZ; z++) {
      const sy = Math.round(chunkToScreen(0, z, canvas).y) + 0.5;
      ctx.moveTo(0, sy); ctx.lineTo(w, sy);
    }
    ctx.stroke();
  }

  if (!data) {
    ctx.fillStyle = '#48505e';
    ctx.font = '13px "Microsoft YaHei", sans-serif';
    ctx.fillText('暂无地图数据，等待 markers.json 拉取…', 16, 24);
    return;
  }

  // 全部邦国（按需加载）
  if ($('chkFull').checked && data.otherChunks) {
    for (const state of data.otherChunks) {
      drawChunks(state.chunks, hexToRgba(state.color, 0.55));
    }
  }

  drawChunks(data.self || [], 'rgba(47,129,247,0.85)');
  drawChunks(data.session || [], 'rgba(63,185,80,0.95)');
  if ($('chkFlying').checked) drawChunks(data.flying || [], 'rgba(248,81,73,0.95)');

  // 王城
  for (const state of data.states || []) {
    if (!state.capital) continue;
    const p = chunkToScreen(state.capital.x, state.capital.z, canvas);
    if (p.x < -20 || p.y < -20 || p.x > w + 20 || p.y > h + 20) continue;
    ctx.fillStyle = '#bc8cff';
    ctx.beginPath();
    ctx.arc(p.x + scale / 2, p.y + scale / 2, Math.max(3, scale * 0.7), 0, Math.PI * 2);
    ctx.fill();
    if (scale >= 1) {
      ctx.fillStyle = 'rgba(188,140,255,0.85)';
      ctx.font = '11px "Microsoft YaHei", sans-serif';
      ctx.fillText(state.name, p.x + 6, p.y + 4);
    }
  }

  // 当前目标
  if (data.target) {
    const p = chunkToScreen(data.target.x, data.target.z, canvas);
    ctx.strokeStyle = '#d29922';
    ctx.lineWidth = 2;
    const size = Math.max(8, scale * 2);
    ctx.strokeRect(p.x - size / 2 + scale / 2, p.y - size / 2 + scale / 2, size, size);
    ctx.beginPath();
    ctx.moveTo(p.x - size, p.y + scale / 2);
    ctx.lineTo(p.x + size, p.y + scale / 2);
    ctx.moveTo(p.x + scale / 2, p.y - size);
    ctx.lineTo(p.x + scale / 2, p.y + size);
    ctx.stroke();
  }

  // 机器人位置
  if (data.playerChunk) {
    const p = chunkToScreen(data.playerChunk.x, data.playerChunk.z, canvas);
    ctx.fillStyle = '#ffffff';
    ctx.beginPath();
    ctx.arc(p.x + scale / 2, p.y + scale / 2, Math.max(3, scale * 0.6), 0, Math.PI * 2);
    ctx.fill();
    ctx.strokeStyle = '#0d1117';
    ctx.lineWidth = 1.5;
    ctx.stroke();
  }

  $('mapInfo').textContent = `缩放 ${scale.toFixed(2)} px/区块 · 中心 ${Math.round(mapView.centerX)}, ${Math.round(mapView.centerZ)}`;
}

function hexToRgba(hex, alpha) {
  const value = String(hex).replace('#', '');
  const r = parseInt(value.slice(0, 2), 16) || 0;
  const g = parseInt(value.slice(2, 4), 16) || 0;
  const b = parseInt(value.slice(4, 6), 16) || 0;
  return `rgba(${r},${g},${b},${alpha})`;
}

let mapLoading = false;
async function loadMap() {
  if (mapLoading) return;
  mapLoading = true;
  try {
    const full = $('chkFull').checked ? '1' : '0';
    const res = await api('/api/map?full=' + full);
    mapView.data = res.data;
    if (!mapView.centered && res.data.playerChunk) {
      mapView.centerX = res.data.playerChunk.x;
      mapView.centerZ = res.data.playerChunk.z;
      mapView.centered = true;
    }
    drawMap();
  } catch (err) {
    toast('读取地图失败：' + err.message, true);
  } finally {
    mapLoading = false;
  }
}

// ==================== WebSocket ====================

let ws = null;
let wsRetry = 0;

function connectWs() {
  const proto = location.protocol === 'https:' ? 'wss' : 'ws';
  const query = TOKEN ? '?token=' + encodeURIComponent(TOKEN) : '';
  ws = new WebSocket(`${proto}://${location.host}/ws${query}`);
  ws.onopen = () => { wsRetry = 0; };
  ws.onmessage = (event) => {
    let payload;
    try {
      payload = JSON.parse(event.data);
    } catch {
      return;
    }
    if (payload.type === 'status') renderStatus(payload.data);
    else if (payload.type === 'log') appendLog(payload.data);
    else if (payload.type === 'logs') renderLogs(payload.data);
  };
  ws.onclose = () => {
    wsRetry++;
    const delay = Math.min(15000, 1000 * wsRetry);
    setTimeout(connectWs, delay);
  };
  ws.onerror = () => { try { ws.close(); } catch { /* 忽略 */ } };
}

// ==================== 事件绑定 ====================

function bindEvents() {
  $('btnStart').addEventListener('click', async () => {
    try {
      const res = await api('/api/task/start', { method: 'POST', body: JSON.stringify(collectConfig()) });
      toast(res.message || '任务已启动');
      renderStatus(res.data);
      loadMap();
    } catch (err) {
      toast('启动失败：' + err.message, true);
    }
  });

  $('btnStop').addEventListener('click', async () => {
    try {
      await api('/api/task/stop', { method: 'POST' });
      toast('已请求停止');
    } catch (err) {
      toast('停止失败：' + err.message, true);
    }
  });

  $('btnReconnect').addEventListener('click', async () => {
    try {
      await api('/api/bot/reconnect', { method: 'POST' });
      toast('正在重连');
    } catch (err) {
      toast('重连失败：' + err.message, true);
    }
  });

  $('btnRefreshMap').addEventListener('click', async () => {
    try {
      await api('/api/map/refresh', { method: 'POST' });
      toast('已触发地图刷新');
    } catch (err) {
      toast(err.message, true);
    }
  });

  $('btnFetchAll').addEventListener('click', async () => {
    toast('正在拉取全服领土（可能较慢）…');
    try {
      const res = await api('/api/api/fetch-all', { method: 'POST' });
      toast(res.message);
      loadMap();
    } catch (err) {
      toast('拉取失败：' + err.message, true);
    }
  });

  $('btnSaveConfig').addEventListener('click', saveConfig);
  $('btnReloadConfig').addEventListener('click', loadConfig);

  $('configTabs').addEventListener('click', (e) => {
    const tab = e.target.closest('.tab');
    if (!tab) return;
    activeTab = tab.dataset.tab;
    for (const el of $('configTabs').querySelectorAll('.tab')) {
      el.classList.toggle('active', el === tab);
    }
    renderConfig();
  });

  $('chkFull').addEventListener('change', loadMap);
  $('chkFlying').addEventListener('change', drawMap);
  $('chkGrid').addEventListener('change', drawMap);

  $('btnMapCenter').addEventListener('click', () => {
    if (lastStatus && lastStatus.task && lastStatus.task.playerChunk) {
      mapView.centerX = lastStatus.task.playerChunk.x;
      mapView.centerZ = lastStatus.task.playerChunk.z;
      drawMap();
    }
  });

  $('btnMapFit').addEventListener('click', () => {
    const data = mapView.data;
    if (!data) return;
    let minX = Infinity; let maxX = -Infinity; let minZ = Infinity; let maxZ = -Infinity;
    const absorb = (flat) => {
      for (let i = 0; i < flat.length; i += 2) {
        if (flat[i] < minX) minX = flat[i];
        if (flat[i] > maxX) maxX = flat[i];
        if (flat[i + 1] < minZ) minZ = flat[i + 1];
        if (flat[i + 1] > maxZ) maxZ = flat[i + 1];
      }
    };
    absorb(data.self || []);
    absorb(data.session || []);
    if (!Number.isFinite(minX)) {
      for (const state of data.states || []) {
        if (!state.bounds) continue;
        minX = Math.min(minX, state.bounds.minX);
        maxX = Math.max(maxX, state.bounds.maxX);
        minZ = Math.min(minZ, state.bounds.minZ);
        maxZ = Math.max(maxZ, state.bounds.maxZ);
      }
    }
    if (!Number.isFinite(minX)) return;
    mapView.centerX = (minX + maxX) / 2;
    mapView.centerZ = (minZ + maxZ) / 2;
    const canvas = $('mapCanvas');
    const rect = canvas.getBoundingClientRect();
    const scaleX = rect.width / Math.max(1, maxX - minX + 2);
    const scaleZ = rect.height / Math.max(1, maxZ - minZ + 2);
    mapView.scale = Math.min(24, Math.max(0.15, Math.min(scaleX, scaleZ)));
    drawMap();
  });

  $('btnClearLog').addEventListener('click', () => { $('logView').innerHTML = ''; });
  $('btnExportLog').addEventListener('click', async () => {
    try {
      const res = await api('/api/logs/export', { method: 'POST' });
      toast('已导出到 ' + res.data.file);
    } catch (err) {
      toast('导出失败：' + err.message, true);
    }
  });

  $('btnSendCmd').addEventListener('click', sendCommand);
  $('cmdInput').addEventListener('keydown', (e) => {
    if (e.key === 'Enter') sendCommand();
  });
  for (const btn of document.querySelectorAll('[data-cmd]')) {
    btn.addEventListener('click', () => {
      $('cmdInput').value = btn.dataset.cmd;
      sendCommand();
    });
  }

  async function sendCommand() {
    const command = $('cmdInput').value.trim();
    if (!command) return;
    try {
      await api('/api/command', { method: 'POST', body: JSON.stringify({ command }) });
      toast('已发送：' + command);
    } catch (err) {
      toast('发送失败：' + err.message, true);
    }
  }
}

// ==================== 启动 ====================

async function main() {
  initMap();
  bindEvents();
  await loadConfig();
  await loadMap();
  connectWs();
  // 地图数据每 20 秒自动刷新一次（服务端 markers 刷新间隔通常为 30 秒）
  setInterval(loadMap, 20000);
  // 相对时间（"x 秒前"）需要定期重绘
  setInterval(() => { if (lastStatus) renderStatus(lastStatus); }, 5000);
}

main();