import {routingModuleUrl} from './helpers/routing.mjs';
import {test} from 'node:test';
import assert from 'node:assert/strict';
import {readFile} from 'node:fs/promises';
import ts from 'typescript';

async function moduleUrl(file,replace=code=>code){
  const filename=new URL(file,import.meta.url);
  const {outputText}=ts.transpileModule(await readFile(filename,'utf8'),{compilerOptions:{target:ts.ScriptTarget.ES2022,module:ts.ModuleKind.ESNext}});
  return 'data:text/javascript;base64,'+Buffer.from(replace(outputText).replace(/(['"])\.\.\/routing\1/g,JSON.stringify(routingModuleUrl))+'\n//# sourceURL='+filename.pathname).toString('base64');
}
const protocolUrl=await moduleUrl('../src/lib/api/protocol.ts');
const authUrl=await moduleUrl('../src/lib/client/auth.ts');
const {authFormPayload}=await import(authUrl);
let sequence=0;
async function client(){
  const url=await moduleUrl('../src/lib/client/api.ts',code=>code.replace('"../api/protocol"',JSON.stringify(protocolUrl)).replace('"./auth"',JSON.stringify(authUrl+'#'+sequence++)));
  return new (await import(url)).ApiClient();
}
const guest={userId:7,type:0,isRegister:false};
const member={userId:8,type:1,isRegister:true};
const response=(data,code=200,headers={})=>new Response(JSON.stringify({code,data,msg:code===200?'ok':'session expired'}),{status:code===1000?401:200,headers:{'Content-Type':'application/json',...headers}});
const deferred=()=>{let resolve;const promise=new Promise(done=>resolve=done);return {promise,resolve};};
async function withFetch(fetcher,work){const old=globalThis.fetch;globalThis.fetch=fetcher;try{await work();}finally{globalThis.fetch=old;}}

test('login accepts account/email, trims identifiers, and preserves password bytes',()=>{
  assert.deepEqual(authFormPayload('login',{account:' test ',password:' 1234 '}),{account:'test',password:' 1234 '});
  assert.deepEqual(authFormPayload('login',{account:'me@example.com',password:'1234'}),{account:'me@example.com',password:'1234'});
  assert.throws(()=>authFormPayload('login',{account:'bad@',password:'1234'}),/有效邮箱/);
  assert.throws(()=>authFormPayload('login',{account:'test',password:'123'}),/密码/);
  const account='abcdefghijklmnopqrst',password='SafePassword12345678';
  assert.equal(authFormPayload('login',{account,password}).account,account);
});

test('guest binding validates confirmation and agreement without requiring an email',()=>{
  const values={account:' player01 ',password:'Secure123',passwordConfirm:'Secure123',agree:'on'};
  assert.deepEqual(authFormPayload('register',values),{accountNo:'player01',password:'Secure123'});
  for(const change of [{account:'a_b'},{password:'abcdefgh',passwordConfirm:'abcdefgh'},{passwordConfirm:'Wrong123'},{agree:''}])assert.throws(()=>authFormPayload('register',{...values,...change}));
  assert.deepEqual(authFormPayload('resetPassword',{account:' player01 ',email:' me@example.com ',password:'NewPass123',passwordConfirm:'NewPass123'}),{accountNo:'player01',email:'me@example.com',newPassword:'NewPass123'});
});

test('device identity, first channel and invite survive page navigation without persisting credentials',async()=>{
  const originals=Object.fromEntries(['document','localStorage','location'].map(key=>[key,Object.getOwnPropertyDescriptor(globalThis,key)]));
  const storage=new Map([['uuid','old-device']]);
  Object.defineProperty(globalThis,'document',{configurable:true,value:{cookie:'drama_device=cookie-device'}});
  Object.defineProperty(globalThis,'localStorage',{configurable:true,value:{getItem:key=>storage.get(key),setItem:(key,value)=>storage.set(key,value)}});
  Object.defineProperty(globalThis,'location',{configurable:true,value:{search:'?dc=first&inviteCode=INV123'}});
  try{
    const {authMetadata}=await import(authUrl+'#attribution');
    assert.deepEqual(authMetadata(),{devID:'cookie-device',deviceId:'cookie-device',channel:'first',agentInviteCode:'INV123'});
    globalThis.location.search='?dc=later';
    assert.equal(authMetadata().channel,'first');assert.equal(authMetadata().agentInviteCode,'INV123');
    assert.deepEqual([...storage.keys()].sort(),['channel','uuid']);
    globalThis.localStorage.getItem=()=>{throw new Error('blocked');};
    globalThis.localStorage.setItem=()=>{throw new Error('blocked');};
    globalThis.document.cookie='';
    const fallback=(await import(authUrl+'#blocked')).authMetadata;
    assert.equal(fallback().devID,fallback().devID);
  }finally{for(const [key,descriptor] of Object.entries(originals)){if(descriptor)Object.defineProperty(globalThis,key,descriptor);else delete globalThis[key];}}
});

test('concurrent private requests share one guest initialization and public data needs no session',async()=>{
  const api=await client(),gate=deferred(),calls=[];
  await withFetch(async(url,options)=>{
    calls.push({url,body:options.body&&JSON.parse(options.body)});
    if(url.endsWith('/auth/guest')){await gate.promise;return response(guest);}
    return response({});
  },async()=>{
    const first=api.get('user/center/data'),second=api.get('playlet/collect/list');
    await Promise.resolve();assert.equal(calls.length,1);gate.resolve();await Promise.all([first,second]);
    assert.equal(calls.filter(call=>call.url.endsWith('/auth/guest')).length,1);
    assert.ok(calls[0].body.devID);assert.equal(api.user.userId,7);
    const anonymous=await client();await anonymous.get('playlet/home');assert.equal(anonymous.user,null);
  });
});

test('history restoration revalidates current cookies, respects logout and cannot overwrite a newer login',async()=>{
  const api=await client();api.seedSession(guest);
  await withFetch(async(_url,options)=>{assert.equal(JSON.parse(options.body).automatic,true);return response(null);},async()=>{
    await api.revalidateSession();assert.equal(api.user,null);assert.equal(await api.initializeSession(),null);
  });
  const gate=deferred();api.seedSession(guest);
  await withFetch(async()=>{await gate.promise;return response(guest);},async()=>{
    const refresh=api.revalidateSession();await Promise.resolve();api.setUser(member);gate.resolve();await refresh;assert.equal(api.user.userId,member.userId);
  });
});

test('search and suggestions wait for a shared guest session before requesting protected search endpoints',async()=>{
  const api=await client(),gate=deferred(),calls=[];
  await withFetch(async url=>{
    calls.push(url);
    if(url.endsWith('/auth/guest')){await gate.promise;return response(guest);}
    return response({list:[],totalCount:0});
  },async()=>{
    const search=api.get('playlet/search',{keyword:'都市',pageNum:2,pageSize:25});
    const suggestions=api.get('playlet/search/suggest',{keyword:'都市'});
    await Promise.resolve();assert.deepEqual(calls,['/api/auth/guest']);
    gate.resolve();await Promise.all([search,suggestions]);
    assert.equal(calls.length,3);assert.ok(calls[1].includes('playlet/search?'));assert.ok(calls[1].includes('pageSize=25'));assert.ok(calls[2].includes('playlet/search/suggest?'));
  });
});

test('slow guest restoration finishes before login and binding waits for a guest identity',async()=>{
  const api=await client(),gate=deferred(),calls=[];
  await withFetch(async(url,options)=>{
    calls.push({url,body:JSON.parse(options.body)});
    if(url.endsWith('/auth/guest')){await gate.promise;return response(guest);}
    return response(member);
  },async()=>{
    const restore=api.initializeSession(),login=api.post('auth/login',{account:'player',password:'Secure123'});
    await Promise.resolve();assert.equal(calls.length,1);gate.resolve();await Promise.all([restore,login]);
    assert.equal(calls[1].body.devID,calls[0].body.devID);assert.equal(api.user.userId,8);
    const binding=await client();await binding.post('auth/register',{accountNo:'player',password:'Secure123'});
    assert.deepEqual(calls.slice(2).map(call=>call.url),['/api/auth/guest','/api/auth/register']);
    assert.equal(binding.user.userId,8);
  });
});

test('invalid credentials preserve the current identity; late expired requests cannot clear a new login',async()=>{
  const api=await client();api.setUser(guest);
  const gate=deferred();let invalid=true;
  await withFetch(async url=>{
    if(url.endsWith('/auth/login'))return invalid?response(null,1000):response(member);
    await gate.promise;return response(null,1000);
  },async()=>{
    await assert.rejects(api.post('auth/login',{account:'player',password:'bad'}));assert.equal(api.user.userId,7);
    const pending=api.get('user/center/data');await Promise.resolve();invalid=false;
    await api.post('auth/login',{account:'player',password:'Secure123'});gate.resolve();await assert.rejects(pending);
    assert.equal(api.user.userId,8);
  });
});

test('registered expiry prompts once and blocks automatic guest downgrade',async()=>{
  const api=await client();api.setUser(member);let prompts=0,calls=0;api.addEventListener('expired',()=>prompts++);
  await withFetch(async()=>{calls++;return response(null,1000,{'X-Auth-State':'login-required'});},async()=>{
    await assert.rejects(api.get('user/center/data'));assert.equal(api.user,null);assert.equal(prompts,1);
    assert.equal(await api.initializeSession(),null);
    await assert.rejects(api.ensureSession());await assert.rejects(api.ensureSession());
    assert.equal(calls,1);assert.equal(prompts,1);
  });
});

test('manual logout and the following skipped initialization stay signed out',async()=>{
  const api=await client();api.setUser(member);const calls=[];
  await withFetch(async url=>{calls.push(url);return response(null);},async()=>{
    await api.post('auth/logout',{});assert.equal(api.user,null);
    assert.equal(await api.initializeSession(),null);assert.deepEqual(calls,['/api/auth/logout']);
    const refreshed=await client();assert.equal(await refreshed.initializeSession(),null);
    await assert.rejects(refreshed.ensureSession());assert.deepEqual(calls,['/api/auth/logout','/api/auth/guest']);
  });
});

test('restoring an expired registered cookie prompts for login even before a user is loaded',async()=>{
  const api=await client();let prompts=0;api.addEventListener('expired',()=>prompts++);
  await withFetch(async()=>response(null,1000,{'X-Auth-State':'login-required'}),async()=>{
    await assert.rejects(api.initializeSession());await assert.rejects(api.ensureSession());
    assert.equal(prompts,1);assert.equal(api.user,null);
  });
});

test('auth dialog renders binding confirmation, blocks duplicate submission, and clears revealed passwords on close',async()=>{
  const renderUrl=await moduleUrl('../src/lib/client/render.ts',code=>code.replace('"../api/protocol"',JSON.stringify(protocolUrl)));
  const accountUrl=await moduleUrl('../src/lib/client/account.ts',code=>code.replace('"../api/protocol"',JSON.stringify(protocolUrl)).replace('"./render"',JSON.stringify(renderUrl)).replace("'./auth'",JSON.stringify(authUrl)));
  const {bindAccountUI,openAuth}=await import(accountUrl);
  const oldDocument=globalThis.document,OldFormData=globalThis.FormData;
  const listeners={},error={textContent:''},button={textContent:'绑定账号',disabled:false};
  const password={value:'Secure123',type:'password'},confirmation={value:'Secure123',type:'password'};
  const form={dataset:{mode:'register'},isConnected:true,reportValidity:()=>true,
    querySelector:selector=>selector==='#auth-error'?error:button,querySelectorAll:()=>[password,confirmation]};
  const dialog={id:'member-auth-dialog',innerHTML:'',open:false,classList:{toggle(){}},querySelector:selector=>selector==='#auth-account'?{focus(){}}:selector==='#auth-password'?password:null,
    querySelectorAll:()=>[password,confirmation],addEventListener:(name,handler)=>listeners[name]=handler,showModal(){this.open=true;},close(){this.open=false;listeners.close();}};
  const gate=deferred();let submitted=0,routed=0;
  const app={api:{post:async(path,payload)=>{submitted++;assert.equal(path,'auth/register');assert.equal(payload.accountNo,'player01');await gate.promise;}},notify(){},async route(){routed++;}};
  globalThis.document={getElementById:id=>id==='member-auth-dialog'?dialog:null};
  globalThis.FormData=class extends OldFormData{constructor(){super();for(const [key,value] of Object.entries({account:'player01',password:'Secure123',passwordConfirm:'Secure123',agree:'on'}))this.append(key,value);}};
  try{
    bindAccountUI(app);openAuth('bind');assert.ok(dialog.open);
    assert.ok(dialog.innerHTML.includes('name="passwordConfirm"'));assert.ok(!dialog.innerHTML.includes('name="email"'));
    const toggle={dataset:{authPasswordToggle:'auth-password'},setAttribute(){}};
    listeners.click({target:{closest:()=>toggle}});assert.equal(password.type,'text');
    const event={target:form,preventDefault(){}};listeners.submit(event);listeners.submit(event);
    assert.equal(submitted,1);assert.equal(button.disabled,true);
    gate.resolve();await new Promise(resolve=>setImmediate(resolve));
    assert.equal(routed,1);assert.equal(button.disabled,false);assert.equal(password.value,'');assert.equal(confirmation.value,'');
    openAuth('switch');assert.ok(dialog.innerHTML.includes('切换账号'));
  }finally{globalThis.document=oldDocument;globalThis.FormData=OldFormData;}
});


test('a server-prepared session is reused without another guest handshake and a sign-in snapshot blocks automatic downgrade',async()=>{
  await withFetch(()=>assert.fail('prepared sessions must not refetch auth'),async()=>{
    const ready=await client();ready.seedSession(member);assert.equal((await ready.initializeSession()).userId,member.userId);
    const signedOut=await client();signedOut.seedSession(null);assert.equal(await signedOut.initializeSession(),null);
  });
});