// 工具 Tab-应用管理：APK 上传/安装/删除 + 设备已装应用
// ================== Tab: 应用 ==================
let _apksCache=[];
let _installTimer=null;
let _devAppsData=[];

function fmtSize(b){
  if(!b)return '0 B';
  if(b<1024)return b+' B';
  if(b<1048576)return (b/1024).toFixed(1)+' KB';
  return (b/1048576).toFixed(1)+' MB';
}

async function loadApks(){
  const r=await apiGet('/api/apks');if(!r||!r.ok)return;
  const apks=r.apks||[];
  _apksCache=apks;
  document.getElementById('apk-hint').textContent='共 '+apks.length+' 个应用';
  setListPager('apks',{
    data:()=>apks,
    sortValue:(a,k)=>{ if(k==='size')return a.size||0; if(k==='upload_time')return a.upload_time||''; if(k==='package_name')return a.package_name||''; if(k==='version_name')return a.version_name||''; return a.display_name||''; },
    filter:(a,kw)=>((a.display_name||'').toLowerCase().includes(kw)||(a.package_name||'').toLowerCase().includes(kw)),
    render:renderApkRow,
    tbody:'tb-apks',pager:'pager-apks',pageSize:10,
    empty:'<tr><td colspan="6" class="empty">暂无APK，点击"上传APK"上传</td></tr>'
  });
  applyListPager('apks');
  initListSearch('apks','search-apks');
  await fillAppsDeviceList();
}
function renderApkRow(a){
  return '<tr>'+
    '<td><strong>'+esc(a.display_name||'(未命名)')+'</strong></td>'+
    '<td style="font-family:monospace;font-size:12px;color:#64748b">'+esc(a.package_name||'-')+'</td>'+
    '<td>'+(a.version_name?esc(a.version_name):'-')+'</td>'+
    '<td>'+fmtSize(a.size)+'</td>'+
    '<td style="font-size:12px;color:#94a3b8">'+esc(a.upload_time)+'</td>'+
    '<td>'+
      '<button class="btn btn-primary btn-xs" onclick="openInstallModal(\''+a.id+'\')">安装</button> '+
      '<button class="btn btn-danger btn-xs" onclick="deleteApk(\''+a.id+'\')">删除</button>'+
    '</td>'+
  '</tr>';
}

// 填充"设备已装应用"的设备下拉（保留当前选择）
async function fillAppsDeviceList(){
  const sr=await apiGet('/api/status');if(!sr||!sr.ok)return;
  const sel=document.getElementById('apps-device');
  if(!sel)return;
  const cur=sel.value;
  const devices=(sr.devices||[]).filter(d=>d.present);
  sel.innerHTML='<option value="">选择设备...</option>'+devices.map(d=>
    '<option value="'+esc(d.serial)+'">'+esc((d.serial||'').replace(/:5555$/,'')+' ('+(d.device_name||d.model||'未知设备')+')')+'</option>'
  ).join('');
  if(cur)sel.value=cur;
}

// 查看指定设备已安装应用
async function loadDeviceApps(){
  const sel=document.getElementById('apps-device');
  const serial=sel.value;
  if(!serial){showToast('请先选择设备','error');return;}
  const hint=document.getElementById('apps-hint');
  const tb=document.getElementById('tb-device-apps');
  hint.textContent='加载中...';
  const r=await apiGet('/api/devices/'+encodeURIComponent(serial)+'/apps');
  hint.textContent='';
  if(!r||!r.ok){
    tb.innerHTML='<tr><td colspan="4" class="empty">'+(r&&r.error?esc(r.error):'获取失败')+'</td></tr>';
    showToast('获取失败','error');return;
  }
  const apps=r.apps||[];
  if(!apps.length){tb.innerHTML='<tr><td colspan="4" class="empty">无应用</td></tr>';return;}
  const userApps=apps.filter(a=>/^\/data\//.test(a.path||'')).length;
  hint.textContent='共 '+apps.length+' 个应用（用户安装 '+userApps+'）';
  _devAppsData=apps;
  setListPager('devapps',{
    data:()=>_devAppsData||[],
    filter:(a,kw)=>((a.label||a.package||'').toLowerCase().includes(kw)||(a.package||'').toLowerCase().includes(kw)||(a.path||'').toLowerCase().includes(kw)),
    sortValue:(a,k)=>{ if(k==='version_code')return parseInt(a.version_code)||0; if(k==='version_name')return a.version_name||''; if(k==='label')return (a.label||a.package||''); return a[k]||''; },
    render:renderDevAppRow,
    tbody:'tb-device-apps',pager:'pager-devapps',pageSize:20,
    empty:'<tr><td colspan="4" class="empty">无应用</td></tr>'
  });
  applyListPager('devapps');
  initListSearch('devapps','search-devapps');
}
function renderDevAppRow(a){
  return '<tr>'+
    '<td><strong>'+esc(a.label||a.package)+'</strong>'+(a.label?' <span style="font-size:11px;color:#94a3b8;font-family:monospace">'+esc(a.package)+'</span>':'')+'</td>'+
    '<td>'+(a.version_name?esc(a.version_name):'-')+'</td>'+
    '<td style="font-size:12px;color:#94a3b8">'+(a.version_code!=null?esc(a.version_code):'-')+'</td>'+
    '<td style="font-size:11px;color:#94a3b8;word-break:break-all">'+esc(a.path||'-')+'</td>'+
  '</tr>';
}

async function uploadApk(input){
  if(!input.files||!input.files[0])return;
  const file=input.files[0];
  if(!file.name.toLowerCase().endsWith('.apk')){
    showToast('请选择 .apk 文件','error');return;
  }
  const hint=document.getElementById('apk-hint');
  const fd=new FormData();
  fd.append('file',file);
  // 用 XMLHttpRequest 才能拿到上传进度（fetch 不支持上传进度事件）
  const xhr=new XMLHttpRequest();
  xhr.open('POST','/api/apks/upload');
  if(_csrfToken)xhr.setRequestHeader('X-CSRF-Token',_csrfToken);
  xhr.upload.onprogress=function(e){
    if(e.lengthComputable){
      const pct=Math.round(e.loaded*100/e.total);
      const loaded=(e.loaded/1048576).toFixed(1);
      const total=(e.total/1048576).toFixed(1);
      hint.innerHTML='<span style="color:#f59e0b">正在上传 '+esc(file.name)+' '+pct+'% ('+loaded+'/'+total+' MB)</span>'+
        '<div class="progress" style="width:200px;height:6px;margin-top:4px"><div class="progress-bar" style="width:'+pct+'%"></div></div>';
    }
  };
  xhr.onload=function(){
    if(xhr.status===401){window.location='/login';return;}
    try{
      const data=JSON.parse(xhr.responseText);
      if(data.ok){
        showToast(data.msg||'上传成功','success');
        loadApks();
      }else{
        showToast(data.error||'上传失败','error');
        hint.textContent='';
      }
    }catch(e){
      showToast('解析响应失败','error');
      hint.textContent='';
    }
  };
  xhr.onerror=function(){
    showToast('上传失败：网络错误','error');
    hint.textContent='';
  };
  xhr.send(fd);
  input.value='';
}

async function deleteApk(id){
  if(!confirm('确认删除此APK文件？'))return;
  const r=await apiDelete('/api/apks/'+id);
  handleResult(r,loadApks);
}

async function openInstallModal(apkId){
  const apk=_apksCache.find(a=>a.id===apkId);
  const apkName=apk?(apk.display_name||'APK'):'APK';
  const r=await apiGet('/api/apks/install/devices');
  const online=(r&&r.ok)?(r.devices||[]):[];
  if(!online.length){
    showToast('没有可用设备（设备池或本机 adb 均无）','error');return;
  }
  const body=
    '<div style="margin-bottom:12px">'+
      '<strong>安装应用：</strong><span class="label label-primary">'+esc(apkName)+'</span>'+
      ' <span style="font-size:12px;color:#94a3b8">运行中设备将自动跳过</span>'+
    '</div>'+
    '<div style="margin-bottom:8px">'+
      '<button class="btn btn-sm" onclick="document.querySelectorAll(\'#install-dev-list input[type=checkbox]\').forEach(c=>c.checked=true)">全选</button> '+
      '<button class="btn btn-sm" onclick="document.querySelectorAll(\'#install-dev-list input[type=checkbox]\').forEach(c=>c.checked=false)">全不选</button> '+
      '<button class="btn btn-sm btn-primary" onclick="selectIdleForInstall()">全选空闲</button>'+
    '</div>'+
    '<div id="install-dev-list" class="device-list">'+
      online.map(d=>{
        const isUsb=d.source==='usb';
        const st='<span class="label label-'+(isUsb?'primary':'default')+'" style="margin-left:6px">'+(isUsb?'本地USB':(d.source==='pool'?'设备池':'adb'))+'</span>';
        // serial 唯一，显示 IP + 型号便于区分同型号设备
        const label=(d.serial||'').replace(/:5555$/,'')+' · '+(d.model||(isUsb?'USB 有线设备':'设备'));
        return '<label><input type="checkbox" value="'+esc(d.serial)+'" checked>'+esc(label)+st+'</label>';
      }).join('')+
    '</div>';

  document.getElementById('modal-title').textContent='安装应用到设备';
  document.getElementById('modal-body').innerHTML=body;
  document.getElementById('modal-footer').innerHTML=
    '<button class="btn" onclick="closeModal()">取消</button>'+
    '<button class="btn btn-primary" onclick="startInstall(\''+apkId+'\')">开始安装</button>';
  document.getElementById('modal-overlay').classList.add('show');
}

function selectIdleForInstall(){
  document.querySelectorAll('#install-dev-list label').forEach(lbl=>{
    const cb=lbl.querySelector('input[type=checkbox]');
    const isRunning=lbl.querySelector('.label-success');
    cb.checked=!isRunning;
  });
}

async function startInstall(apkId){
  const checked=document.querySelectorAll('#install-dev-list input[type=checkbox]:checked');
  const serials=Array.from(checked).map(c=>c.value);
  if(!serials.length){
    showToast('请至少选择一台设备','error');return;
  }
  const r=await apiPost('/api/apks/install',{apk_id:apkId,serials:serials});
  if(!r||!r.ok){showToast(r?r.error:'请求失败','error');return;}
  showToast(r.msg||'安装已启动','success');
  showInstallProgress();
}

function showInstallProgress(){
  document.getElementById('modal-title').textContent='安装进度';
  document.getElementById('modal-body').innerHTML=
    '<div id="install-progress" style="min-height:200px"><p class="text-muted">加载中...</p></div>';
  document.getElementById('modal-footer').innerHTML=
    '<button class="btn" onclick="closeInstallModal()" id="install-close-btn" style="display:none">关闭</button>';
  pollInstallStatus();
  if(_installTimer)clearInterval(_installTimer);
  _installTimer=setInterval(pollInstallStatus,3000);
}

async function pollInstallStatus(){
  const r=await apiGet('/api/apks/install/status');
  if(!r||!r.ok)return;
  const st=r.status;
  if(!st){
    document.getElementById('install-progress').innerHTML='<p class="text-muted">无安装任务</p>';
    if(_installTimer){clearInterval(_installTimer);_installTimer=null;}
    return;
  }
  const SS={pending:{t:'等待',c:'default'},installing:{t:'安装中',c:'warning'},success:{t:'成功',c:'success'},failed:{t:'失败',c:'danger'},skipped:{t:'跳过',c:'default'}};
  const items=st.items||{};
  const itemRows=Object.entries(items).map(([serial,info])=>{
    const s=SS[info.status]||{t:info.status,c:'default'};
    return '<tr><td>'+esc(info.name||serial)+'</td>'+
      '<td style="font-family:monospace;font-size:11px;color:#94a3b8">'+esc(serial)+'</td>'+
      '<td><span class="label label-'+s.c+'">'+s.t+'</span></td>'+
      '<td style="font-size:12px;color:#64748b">'+esc(info.msg||'')+'</td></tr>';
  }).join('');

  const pct=st.total>0?Math.round((st.success+st.failed+st.skipped)*100/st.total):0;
  const summary=
    '<div style="margin-bottom:12px">'+
      '<div style="display:flex;gap:8px;margin-bottom:8px;font-size:13px;flex-wrap:wrap">'+
        '<span>应用：<strong>'+esc(st.apk_name)+'</strong></span>'+
        '<span class="label label-success">成功 '+st.success+'</span>'+
        '<span class="label label-danger">失败 '+st.failed+'</span>'+
        '<span class="label label-default">跳过 '+st.skipped+'</span>'+
        '<span class="label label-warning">安装中 '+st.installing+'</span>'+
        '<span class="label label-default">等待 '+st.pending+'</span>'+
      '</div>'+
      '<div class="progress" style="width:100%;height:8px"><div class="progress-bar" style="width:'+pct+'%"></div></div>'+
    '</div>';

  document.getElementById('install-progress').innerHTML=
    summary+'<table class="table" style="margin-bottom:0"><thead><tr><th>设备</th><th>Serial</th><th>状态</th><th>详情</th></tr></thead><tbody>'+itemRows+'</tbody></table>';

  if(st.finished){
    if(_installTimer){clearInterval(_installTimer);_installTimer=null;}
    document.getElementById('install-close-btn').style.display='';
    showToast('安装完成：成功'+st.success+' 失败'+st.failed+' 跳过'+st.skipped,'success');
  }
}

function closeInstallModal(){
  if(_installTimer){clearInterval(_installTimer);_installTimer=null;}
  closeModal();
}