/**
 * 域名迁移脚本 /js/dmig.js
 * 仅在 index.html 检测到需要迁移时才同步加载
 *
 * 小数据（< 8K）: ?_mig= 参数直接传递，同步还原
 * 大数据（≥ 8K）: quickSave 后端 → /{s_k}_{c}/?_dmr=1
 *   接收端标记 window.__dmig_pending_reload → restoreQuickSaveEnv 还原后重载 routes
 *   __dmig_r_{sk_c} 防止二次触发
 *
 * __dmig   = '1'    → 小数据已跳转
 * __dmig   = 'sk_c' → 大数据已跳转
 * __dmig_t = 目标域名（供 index.html 内联快速跳转）
 */

/* LZString v1.4.4 minified */
var LZString=function(){var r=String.fromCharCode,o="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",n="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-$",e={};function t(r,o){if(!e[r]){e[r]={};for(var n=0;n<r.length;n++)e[r][r.charAt(n)]=n}return e[r][o]}var i={compressToBase64:function(r){if(null==r)return"";var n=i._compress(r,6,function(r){return o.charAt(r)});switch(n.length%4){default:case 0:return n;case 1:return n+"===";case 2:return n+"==";case 3:return n+"="}},decompressFromBase64:function(r){return null==r?"":""==r?null:i._decompress(r.length,32,function(n){return t(o,r.charAt(n))})},compressToUTF16:function(o){return null==o?"":i._compress(o,15,function(o){return r(o+32)})+" "},decompressFromUTF16:function(r){return null==r?"":""==r?null:i._decompress(r.length,16384,function(o){return r.charCodeAt(o)-32})},compressToUint8Array:function(r){for(var o=i.compress(r),n=new Uint8Array(2*o.length),e=0,t=o.length;e<t;e++){var s=o.charCodeAt(e);n[2*e]=s>>>8,n[2*e+1]=s%256}return n},decompressFromUint8Array:function(o){if(null==o)return i.decompress(o);for(var n=new Array(o.length/2),e=0,t=n.length;e<t;e++)n[e]=256*o[2*e]+o[2*e+1];var s=[];return n.forEach(function(o){s.push(r(o))}),i.decompress(s.join(""))},compressToEncodedURIComponent:function(r){return null==r?"":i._compress(r,6,function(r){return n.charAt(r)})},decompressFromEncodedURIComponent:function(r){return null==r?"":""==r?null:(r=r.replace(/ /g,"+"),i._decompress(r.length,32,function(o){return t(n,r.charAt(o))}))},compress:function(o){return i._compress(o,16,function(o){return r(o)})},_compress:function(r,o,n){if(null==r)return"";var e,t,i,s={},u={},a="",p="",c="",l=2,f=3,h=2,d=[],m=0,v=0;for(i=0;i<r.length;i+=1)if(a=r.charAt(i),Object.prototype.hasOwnProperty.call(s,a)||(s[a]=f++,u[a]=!0),p=c+a,Object.prototype.hasOwnProperty.call(s,p))c=p;else{if(Object.prototype.hasOwnProperty.call(u,c)){if(c.charCodeAt(0)<256){for(e=0;e<h;e++)m<<=1,v==o-1?(v=0,d.push(n(m)),m=0):v++;for(t=c.charCodeAt(0),e=0;e<8;e++)m=m<<1|1&t,v==o-1?(v=0,d.push(n(m)),m=0):v++,t>>=1}else{for(t=1,e=0;e<h;e++)m=m<<1|t,v==o-1?(v=0,d.push(n(m)),m=0):v++,t=0;for(t=c.charCodeAt(0),e=0;e<16;e++)m=m<<1|1&t,v==o-1?(v=0,d.push(n(m)),m=0):v++,t>>=1}0==--l&&(l=Math.pow(2,h),h++),delete u[c]}else for(t=s[c],e=0;e<h;e++)m=m<<1|1&t,v==o-1?(v=0,d.push(n(m)),m=0):v++,t>>=1;0==--l&&(l=Math.pow(2,h),h++),s[p]=f++,c=String(a)}if(""!==c){if(Object.prototype.hasOwnProperty.call(u,c)){if(c.charCodeAt(0)<256){for(e=0;e<h;e++)m<<=1,v==o-1?(v=0,d.push(n(m)),m=0):v++;for(t=c.charCodeAt(0),e=0;e<8;e++)m=m<<1|1&t,v==o-1?(v=0,d.push(n(m)),m=0):v++,t>>=1}else{for(t=1,e=0;e<h;e++)m=m<<1|t,v==o-1?(v=0,d.push(n(m)),m=0):v++,t=0;for(t=c.charCodeAt(0),e=0;e<16;e++)m=m<<1|1&t,v==o-1?(v=0,d.push(n(m)),m=0):v++,t>>=1}0==--l&&(l=Math.pow(2,h),h++),delete u[c]}else for(t=s[c],e=0;e<h;e++)m=m<<1|1&t,v==o-1?(v=0,d.push(n(m)),m=0):v++,t>>=1;0==--l&&(l=Math.pow(2,h),h++)}for(t=2,e=0;e<h;e++)m=m<<1|1&t,v==o-1?(v=0,d.push(n(m)),m=0):v++,t>>=1;for(;;){if(m<<=1,v==o-1){d.push(n(m));break}v++}return d.join("")},decompress:function(r){return null==r?"":""==r?null:i._decompress(r.length,32768,function(o){return r.charCodeAt(o)})},_decompress:function(o,n,e){var t,i,s,u,a,p,c,l=[],f=4,h=4,d=3,m="",v=[],g={val:e(0),position:n,index:1};for(t=0;t<3;t+=1)l[t]=t;for(s=0,a=Math.pow(2,2),p=1;p!=a;)u=g.val&g.position,g.position>>=1,0==g.position&&(g.position=n,g.val=e(g.index++)),s|=(u>0?1:0)*p,p<<=1;switch(s){case 0:for(s=0,a=Math.pow(2,8),p=1;p!=a;)u=g.val&g.position,g.position>>=1,0==g.position&&(g.position=n,g.val=e(g.index++)),s|=(u>0?1:0)*p,p<<=1;c=r(s);break;case 1:for(s=0,a=Math.pow(2,16),p=1;p!=a;)u=g.val&g.position,g.position>>=1,0==g.position&&(g.position=n,g.val=e(g.index++)),s|=(u>0?1:0)*p,p<<=1;c=r(s);break;case 2:return""}for(l[3]=c,i=c,v.push(c);;){if(g.index>o)return"";for(s=0,a=Math.pow(2,d),p=1;p!=a;)u=g.val&g.position,g.position>>=1,0==g.position&&(g.position=n,g.val=e(g.index++)),s|=(u>0?1:0)*p,p<<=1;switch(c=s){case 0:for(s=0,a=Math.pow(2,8),p=1;p!=a;)u=g.val&g.position,g.position>>=1,0==g.position&&(g.position=n,g.val=e(g.index++)),s|=(u>0?1:0)*p,p<<=1;l[h++]=r(s),c=h-1,f--;break;case 1:for(s=0,a=Math.pow(2,16),p=1;p!=a;)u=g.val&g.position,g.position>>=1,0==g.position&&(g.position=n,g.val=e(g.index++)),s|=(u>0?1:0)*p,p<<=1;l[h++]=r(s),c=h-1,f--;break;case 2:return v.join("")}if(0==f&&(f=Math.pow(2,d),d++),l[c])m=l[c];else{if(c!==h)return null;m=i+i.charAt(0)}v.push(m),l[h++]=i+m.charAt(0),i=m,0==--f&&(f=Math.pow(2,d),d++)}}};return i}();

/* 解密函数（与 helpers.js 一致，密钥 xbd4jl，前缀 a6072637） */
var _ENC_HEAD = 'a6072637';
var _dmig_decrypt = function(str, pwd) {
  if (!str || str === '') return '';
  if (!pwd || pwd === '') pwd = 'xbd4jl';
  pwd = encodeURIComponent(pwd);
  if (str.length < 8 || pwd.length <= 0) return '';
  var prand = '';
  for (var i = 0; i < pwd.length; i++) prand += pwd.charCodeAt(i).toString();
  var sPos = Math.floor(prand.length / 5);
  var mult = parseInt(prand.charAt(sPos) + prand.charAt(sPos * 2) + prand.charAt(sPos * 3) + prand.charAt(sPos * 4) + prand.charAt(sPos * 5));
  var incr = Math.round(pwd.length / 2);
  var modu = Math.pow(2, 31) - 1;
  var salt = parseInt(str.substring(str.length - 8), 16);
  str = str.substring(0, str.length - 8);
  prand += salt;
  while (prand.length > 10) {
    var left = prand, num = 0;
    while (left.length > 0) { num += parseInt(left.substring(0, 10)); left = left.substring(10); }
    prand = num.toString();
  }
  prand = (mult * prand + incr) % modu;
  var encStr = '';
  for (var i = 0; i < str.length; i += 2) {
    encStr += String.fromCharCode(parseInt(str.substring(i, i + 2), 16) ^ Math.floor((prand / modu) * 255));
    prand = (mult * prand + incr) % modu;
  }
  return decodeURIComponent(encStr);
};
var _dmig_decryptVal = function(val) {
  if (typeof val === 'string' && val.indexOf(_ENC_HEAD) === 0) {
    try { return _dmig_decrypt(val.substring(_ENC_HEAD.length)); } catch(e) {}
  }
  return val;
};

/* ========== 迁移主逻辑 ========== */
(function(){
  var DOMAIN_MAP = {
    'boldbanker.com':'boldbanker.co.uk',
  };
  var API_URL = (window.themeConfig?.api||'https://us2api.uswinslots.com/')+'game/quickSave';
  var MIG_FLAG = '__dmig';
  var MIG_TARGET = '__dmig_t';
  var MAX_URL = 8000;
  var SKIP_LS_KEYS = {
    user: 1,
    POPULAR_GAME_LIST: 1,
    LOCAL_GOOGLE_REDIRECT_APK_ENV: 1,
    LOCAL_GOOGLE_REDIRECT_JUMPAPK: 1
  };
  var SKIP_LS_PREFIXES = ['LOCAL_QUICK_SAVE_RESTORED', 'salesmartly_', '__dmig'];
  var cleanJumpApkSearch = function(search) {
    if (!search || search === '?') return search || '';
    try {
      var params = new URLSearchParams(search.charAt(0) === '?' ? search : '?' + search);
      params.delete('jumpapk');
      var next = params.toString();
      return next ? '?' + next : '';
    } catch(e) {
      return search;
    }
  };
  var cleanJumpApkUrlvars = function(value) {
    if (!value) return value;
    try {
      var json = JSON.parse(value);
      if (json && typeof json === 'object') {
        delete json.jumpapk;
        return JSON.stringify(json);
      }
    } catch(e) {}
    return value;
  };
  var shouldSkipLsKey = function(k) {
    if (!k || SKIP_LS_KEYS[k]) return true;
    for (var pi = 0; pi < SKIP_LS_PREFIXES.length; pi++) {
      if (k.indexOf(SKIP_LS_PREFIXES[pi]) === 0) return true;
    }
    return false;
  };

  var host = location.hostname;
  if (host.indexOf('www.') === 0) host = host.substring(4);
  var usp = new URLSearchParams(location.search);
  /* iOS/Android 壳包「迁移落地」标记(WMigLanding 靠它触发落地页)。带 mig=1 时说明目标浏览器
     可能已登录它自己的账号,必须【强制覆盖】把 App 账号接管过来 —— 否则默认"已存在 key 就跳过"
     策略会保留浏览器原账号(承接站显示错账号)。此门槛只对我们的迁移生效,不带 mig=1 的原有 dmig
     迁移(FB内嵌→全新外部浏览器)行为完全不变。 */
  var forceMig = usp.get('mig') === '1';
  if (forceMig) { try { sessionStorage.setItem('MIG_FORCE_RESTORE', '1'); } catch (e) {} } // 供 _dmr 分支的 restoreQuickSaveEnv 强制覆盖

  /* 迁移落地(到 H5)：清除 APK 环境标记。APK 启动带的是 jumpapk(不进这两个接收端)，
     只有迁移到 H5 才会带 _mig/_dmr。即使 webview 与外部浏览器共享 localStorage，
     这里清掉后 H5 的 isJumpApkEnv() 为 false → H5 不再弹“引导去H5”弹窗；
     而 APK 下次启动带 jumpapk 会重新置位，照常弹引导。 */
  try {
    if (usp.get('_mig') || usp.get('_dmr') === '1') {
      localStorage.removeItem('LOCAL_GOOGLE_REDIRECT_APK_ENV');
    }
  } catch (e) {}

  /* ========== 接收端 A：从 _mig 参数还原（小数据，同步完成） ========== */
  try {
    var mig = usp.get('_mig');
    if (mig) {
      var raw = LZString.decompressFromEncodedURIComponent(mig);
      if (raw) {
        var d = JSON.parse(raw);
        if (d.ck) {
          var cd = '.' + host.split('.').slice(-2).join('.');
          var existing = {};
          (document.cookie || '').split(';').forEach(function(s){
            var idx = s.indexOf('=');
            if (idx > 0) existing[s.substring(0, idx).trim()] = 1;
          });
          d.ck.split(';').forEach(function(p){
            p = p.trim(); if (!p) return;
            var idx = p.indexOf('=');
            if (idx <= 0) return;
            var k = p.substring(0, idx).trim(), v = p.substring(idx + 1);
            if (k && (forceMig || !existing[k] || k === '_fbc' || k === '_fbp'))
              document.cookie = k + '=' + v + ';path=/;domain=' + cd + ';max-age=10368000';
          });
        }
        if (d.ls) {
          var lsObj = typeof d.ls === 'string' ? JSON.parse(d.ls) : d.ls;
          for (var lk in lsObj) {
            try {
              if (shouldSkipLsKey(lk)) continue;
              // forceMig(迁移落地)时覆盖已有 key —— 否则浏览器原账号的 G_SIGN 会挡住 App 账号
              if (!forceMig && localStorage.getItem(lk) != null) continue;
              var lv = lsObj[lk] != null ? String(lsObj[lk]) : '';
              if (lk === 'urlvars') lv = cleanJumpApkUrlvars(lv);
              if (lk === 'LOCAL_START_PARAMS') lv = cleanJumpApkSearch(lv);
              if (lk === 'LOCAL_START_PARAMS' && !lv) continue;
              localStorage.setItem(lk, lv);
            }
            catch(e){}
          }
          // forceMig：App 载荷里没有 LOCAL_QUICK_SAVE_S_K 时，清掉浏览器残留的旧 s_k。
          // 否则 routes 会带旧 s_k 拉回另一个账号的 conf.s_p，把刚还原的 App 账号盖掉。
          if (forceMig && lsObj['LOCAL_QUICK_SAVE_S_K'] == null) {
            try { localStorage.removeItem('LOCAL_QUICK_SAVE_S_K'); } catch (e) {}
          }
        } else if (forceMig) {
          try { localStorage.removeItem('LOCAL_QUICK_SAVE_S_K'); } catch (e) {}
        }
        usp.delete('_mig');
        usp.delete('jumpapk');
        if (d.qs) {
          new URLSearchParams(d.qs).forEach(function(v, k){ if (k !== 'jumpapk' && !usp.has(k)) usp.set(k, v); });
        }
        var ns = usp.toString();
        // 迁移落地时立即剥离 hash 路由：若 URL 残留 #/xxx，HashRouter 会在登录恢复前
        // 触发登录守卫/弹窗，打断迁移续跑流程。下一步动作由 pendingInsAction 在 LS 中携带，
        // 由 App 层在 userID > 0 后主动 navigate 到目标路由。
        history.replaceState(null, '', location.origin + location.pathname + (ns ? '?' + ns : ''));
      }
      return;
    }
  } catch(e){ console.error('[dmig] receive _mig error', e); }

  /* ========== 接收端 B：_dmr=1 + /{s_k}_{c}/ 后端中转接收 ========== */
  if (usp.get('_dmr') === '1') {
    var skMatch = location.pathname.match(/^\/([a-zA-Z0-9]+_\d+)(?:\/.*)?$/);
    if (skMatch) {
      var restoreKey = '__dmig_r_' + skMatch[1];
      try {
        // 迁移落地时立即剥离 hash 路由（见 _mig 分支注释），避免 HashRouter 在环境还原完成前触发登录守卫/弹窗
        // __dmig_r_<sk_c> 是一次性 sentinel：第一次落地时把它设为 "1" → 后续再次访问相同 sk_c
        // 直接走"已还原"分支，仅剥离 _dmr / hash，不再设置 __dmig_pending_reload。
        // 旧实现会在已还原分支里 localStorage.removeItem(restoreKey)，导致每隔一次访问 sentinel 失效，
        // 第三次再来 localhost → bigwin7 时会重新进入 pending_reload 流，触发 reducerRoutes 早返路径，
        // 而此时 LOCAL_QUICK_SAVE_RESTORED_<sk_c> 已存在，restoreQuickSaveEnv 又会早返并未清除 pending 标记，
        // 导致 state.status 永远停在 LOADING（首屏卡在 LoadingFull）。
        if (localStorage.getItem(restoreKey)) {
          usp.delete('_dmr');
          usp.delete('jumpapk');
          var cleanS = usp.toString();
          history.replaceState(null, '', location.origin + location.pathname + (cleanS ? '?' + cleanS : ''));
        } else {
          window.__dmig_pending_reload = restoreKey;
          usp.delete('_dmr');
          usp.delete('jumpapk');
          var pendS = usp.toString();
          history.replaceState(null, '', location.origin + location.pathname + (pendS ? '?' + pendS : ''));
        }
      } catch(e){}
    }
    return;
  }

  /* ========== 发送端：旧域名首次跳转 ========== */
  var target = null;
  for (var dm in DOMAIN_MAP) {
    if (host === dm || (host.length > dm.length + 1 && host.charAt(host.length - dm.length - 1) === '.' && host.substring(host.length - dm.length) === dm)) {
      target = DOMAIN_MAP[dm];
      break;
    }
  }
  if(host.includes("localhost"))target="bigwin7.co.uk";
  if (!target) return;

  var hash = location.hash || '';

  var env = { ck: document.cookie || '', qs: cleanJumpApkSearch(location.search || ''), ls: '{}' };
  try {
    var lso = {};
    for (var i = 0; i < localStorage.length; i++) {
      var k = localStorage.key(i);
      if (shouldSkipLsKey(k)) continue;
      var lsv = localStorage.getItem(k);
      if (k === 'urlvars') lsv = cleanJumpApkUrlvars(lsv);
      if (k === 'LOCAL_START_PARAMS') lsv = cleanJumpApkSearch(lsv);
      if (k === 'LOCAL_START_PARAMS' && !lsv) continue;
      lso[k] = lsv;
    }
    env.ls = JSON.stringify(lso);
  } catch(e){}

  var comp = LZString.compressToEncodedURIComponent(JSON.stringify(env));
  var destUrl = 'https://' + target + location.pathname + '?_mig=' + comp + hash;

  if (destUrl.length < MAX_URL) {
    try { localStorage.setItem(MIG_FLAG, '1'); localStorage.setItem(MIG_TARGET, target); } catch(e){}
    location.replace(destUrl);
    return;
  }

  /* 数据超 8K：quickSave 后端 → /{s_k}_{c}/?_dmr=1 */
  var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
  var sk = ''; for (var j = 0; j < 9; j++) sk += chars.charAt(Math.floor(Math.random() * 62));

  var sp = new URLSearchParams(location.search);
  var c = sp.get('c') || '';
  try { if (!c) { c = _dmig_decryptVal(localStorage.getItem('LOCAL_ACTIVITY_C') || ''); } } catch(e){}
  if (!c) c = '0';

  var pm = {};
  sp.forEach(function(v, k){ if (k !== 'jumpapk') pm[k] = v; });

  var sign = '';
  try { sign = _dmig_decryptVal(localStorage.getItem('LOCAL_SIGN') || ''); } catch(e){}

  var body = {
    type: 'domain_migration',
    cookie: env.ck,
    params: JSON.stringify(pm),
    ls: env.ls,
    s_k: sk, c: c,
    locale: (navigator.language || '').split('-')[0] || '',
    bfp: '', ff: '',
    regionid: host.split('.')[host.indexOf('www.') === 0 ? 1 : 0],
    _d: 'mobile',
    _t: Date.now() + '_0_0'
  };
  if (sign) body.sign = sign;

  var skc = sk + '_' + c;
  var lz = LZString.compressToBase64(JSON.stringify(body));

  fetch(API_URL, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ lz: lz }),
    credentials: 'include'
  }).then(function(){
    try { localStorage.setItem(MIG_FLAG, skc); localStorage.setItem(MIG_TARGET, target); } catch(e){}
    location.replace('https://' + target + '/' + skc + '/?_dmr=1' + hash);
  }).catch(function(err){
    console.error('[dmig] save error', err);
    try { localStorage.setItem(MIG_FLAG, '1'); localStorage.setItem(MIG_TARGET, target); } catch(e){}
    location.replace('https://' + target + location.pathname + cleanJumpApkSearch(location.search) + hash);
  });
})();