import test from 'node:test';
import assert from 'node:assert/strict';
import { readFileSync } from 'node:fs';
import { createContext } from '../src/server/context';
import { buildPage, matchPageRoute } from '../src/server/pages';
import { list } from '../src/server/pages/catalog';
import { pagination } from '../src/server/pages/pagination';
import { pageRoutes } from '../src/server/pages/routes';
import { play } from '../src/server/pages/playback';
import { applyLegacyContract } from '../src/server/services/contracts';
import { choose, normalizePayload, playURL, positive, profileImage, videoURL } from '../src/server/services/model';

const ctx = (path: string) => {
 const context=createContext(new Request('http://localhost'+path,{headers:{cookie:'token=test-session; isRegister=1'}}));
 context.user={userId:7,accountNo:'member',recharge:12345,isRegister:true,type:1};context.state.set('auth:fresh',true);return context;
};

test('legacy route families retain exact dynamic parameters and reject repeated slashes',()=>{
 const routes:[string,string,Record<string,string>][]=[
  ['/','Index',{}],['/list/drama/2/3/page/4/','List',{theme:'drama',updateStatus:'2',sortType:'3',page:'4'}],
  ['/series/anime/12/2/page/3/','Series',{media:'anime',topic:'12',sortType:'2',page:'3'}],
  ['/more-list/recommend/1/drama/page/2/','MoreList',{configId:'recommend',timeRange:'1',theme:'drama',page:'2'}],
  ['/more-series-list/recommend/page/2/','MoreSeriesList',{configId:'recommend',page:'2'}],
  ['/topic/sort/2/page/3/','Topic',{sortType:'2',page:'3'}],
  ['/topic-detail/title/sort/3/page/2/','TopicDetail',{slug:'title',sortType:'3',page:'2'}],
  ['/tags/tag/sort/2/page/4/','Tags',{slug:'tag',sortType:'2',page:'4'}],
  ['/search/%E7%9F%AD%E5%89%A7/page/2/','Search',{q:'短剧',page:'2'}],
  ['/play/drama/100/recommendations/page/2/','Play',{slug:'drama',ep:'100',guessPage:'2'}],
  ['/series-play/video/recommendations/page/2/','SeriesPlay',{slug:'video',guessPage:'2'}],
  ['/popular-recommend/3/page/2/','PopularRecommend',{rankType:'3',page:'2'}],
  ['/rank/2/page/3/','Rank',{sortOrder:'2',page:'3'}],['/recently-added/page/3/','RecentlyAdded',{page:'3'}],
 ];
 for(const [path,handler,params]of routes)assert.deepEqual(matchPageRoute(path),{handler,params},path);
 for(const path of ['/favorites/chapter/page/3/','/history/page/2/','/purchased/page/2/','/profile/','/setting/','/recharge/','/login/','/register/'])assert.equal(matchPageRoute(path),null,path);
 for(const path of ['/list//','//list/','/settings//','/list/theme/extra/','/list/drama/2/3/page/2/extra/','/series/anime/'])assert.equal(matchPageRoute(path),null,path);
});

test('the 58 surviving original public HTML route registrations resolve with unchanged parameter names',()=>{
 const removedAccountHandlers=new Set(['Profile','History','Favorites','PurchasedSeries','Setting','Recharge','LoginPage','RegisterPage']);
 const legacy=JSON.parse(readFileSync(new URL('./fixtures/legacy-page-routes.json',import.meta.url),'utf8')) as [string,string][];
 assert.equal(legacy.length,71);const original=legacy.filter(([,handler])=>!removedAccountHandlers.has(handler));assert.equal(original.length,58);
 assert.deepEqual(pageRoutes.filter(([,handler])=>handler!=='HomeRoad'),original);assert.equal(pageRoutes.some(([,handler])=>removedAccountHandlers.has(handler)),false);
 assert.deepEqual(pageRoutes.filter(([,handler])=>handler==='HomeRoad'),[['/home-road/','HomeRoad']]);
 for(const path of ['/home-road/','/return-home/'])assert.deepEqual(matchPageRoute(path),{handler:'HomeRoad',params:{}},path);
 const values:Record<string,string>={q:'短剧',theme:'drama',slug:'drama',configId:'recommend',media:'anime',topic:'12',updateStatus:'2',sortType:'3',sortOrder:'2',rankType:'3',timeRange:'1',page:'2',guessPage:'2',ep:'100',filter:'chapter'};
 for(const [pattern,handler]of original){const params:Record<string,string>={};const path=pattern.replace(/:(\w+)/g,(_,name)=>{params[name]=values[name];return encodeURIComponent(values[name]);});assert.deepEqual(matchPageRoute(path),{handler,params},pattern);}
});

test('pagination keeps source zero fields and route numbers use decimal integer parsing',()=>{
 const small=pagination(n=>'/page/'+n+'/',2,25,0);assert.equal(small.Page,0);assert.equal(small.TotalPages,0);assert.equal(small.Visible,false);assert.equal(small.Items,null);
 const many=pagination(n=>'/page/'+n+'/',50,25,250);assert.equal(many.Page,10);assert.equal(many.HasNext,false);assert.equal(many.PrevURL,'/page/9/');assert.equal(many.Items.at(-1).Active,true);
 assert.equal(choose('+2',[2,3],1),2);for(const value of ['2.0','2e0','0x2'])assert.equal(choose(value,[2,3],1),1);assert.equal(positive('+2'),2);
});

test('API model aliases preserve JSON fields, latest mutable values and chapter gates',()=>{
 const raw=normalizePayload({id:10,videoUrl:'signed-media.m3u8',seoInfo:'{"webTitle":"页面","webKeyworld":"a，b；a"}',payType:1,needUnlock:true,costCoins:25});
 assert.equal(raw.ID,10);assert.equal(raw.VideoURL,'signed-media.m3u8');assert.deepEqual(raw.seoInfo.keywords,['a','b']);assert.equal(raw.NeedCoinGate,true);assert.equal(raw.AllowWatch,false);assert.equal(raw.UnlockCost,25);
 raw.seoInfo.title='新标题';assert.equal(raw.seoInfo.Title,'新标题');assert.equal(JSON.stringify(raw).includes('"VideoURL"'),false);
});

test('missing upstream fields retain legacy Go zero values rather than blank attributes',()=>{
 const detail=normalizePayload(applyLegacyContract('/api/app/playlet/detail',{id:10,playletChapterInfo:[{id:100}]}));
 assert.equal(detail.CountLike,0);assert.equal(detail.IsLike,0);assert.equal(detail.Preview,'');assert.equal(detail.ThemeNames,null);assert.equal(detail.PlayletChapterInfo[0].MediaTime,0);assert.equal(detail.PlayletChapterInfo[0].NeedUnlock,false);assert.equal(detail.PlayletChapterInfo[0].AllowWatch,true);
});

test('list and playback page loaders preserve filters, canonical paths, locked media and tracking',async()=>{
 const originalFetch=globalThis.fetch,originalUpstream=process.env.UPSTREAM_API_URL;process.env.UPSTREAM_API_URL='http://page-contract-test';const calls:{url:URL;headers:Headers}[]=[];
 globalThis.fetch=async(input,init)=>{
  const url=new URL(String(input));calls.push({url,headers:new Headers(init?.headers)});let data:any={list:[],totalCount:0};
  if(url.pathname==='/api/app/theme/list')data={list:[{id:12,slug:'romance',name:'爱情',status:true,rank:1}]};
  if(url.pathname==='/api/app/playlet/all/list')data={list:[{id:10,title:'剧'}],totalCount:100,pageNum:Number(url.searchParams.get('pageNum')),pageSize:Number(url.searchParams.get('pageSize')),seoInfo:{title:'全部短剧'}};
  if(url.pathname==='/api/app/playlet/detail')data={id:10,slug:'drama',playName:'剧名',desc:'剧情介绍',themeIds:[12],themeNames:['爱情'],tagIds:[1],tagNames:['甜宠'],totalEpisode:2,preview:'preview.m3u8',playletChapterInfo:[{id:101,currentEpisode:1,payType:0},{id:102,currentEpisode:2,payType:1,needUnlock:true,costCoins:20}],seoInfo:{keywords:['剧名']}};
  if(url.pathname==='/api/app/playlet/chapter/detail')data={id:102,currentEpisode:2,payType:1,needUnlock:true,canWatch:false,videoUrl:'protected.m3u8',costCoins:20,balance:12345,mediaTime:60};
  if(url.pathname==='/api/app/recharge/package/list')data={vipList:[],coinList:[]};
  return Response.json({code:200,data});
 };
 try{
  const listed=await list(ctx('/list/12/2/3/page/2/'),{theme:'12',updateStatus:'2',sortType:'3',page:'2'});
  assert.equal(listed.themeId,12);assert.equal(listed.themeSlug,'romance');assert.equal(listed.canonicalPath,'/list/romance/2/3/page/2/');assert.equal(listed.pagination.NextURL,'/list/romance/2/3/page/3/');assert.equal(listed.pageHeading,'爱情短剧');
  const catalogue=calls.find(call=>call.url.pathname==='/api/app/playlet/all/list')!;assert.equal(catalogue.url.searchParams.get('themeSlug'),'romance');assert.equal(catalogue.headers.has('authorization'),false);
  const played=await play(ctx('/play/drama/102/'),{slug:'drama',ep:'102'});assert.ok(played);assert.equal(played.chapterID,102);assert.equal(played.episode,2);assert.equal(played.canWatch,false);assert.equal(played.mainURL,'');assert.equal(played.previewURL,'preview.m3u8');assert.equal(played.balanceText,'12,345');assert.equal(played.seoInfo.title,'剧名 - 第二集');assert.equal(played.canonicalPath,'/drama/drama/');assert.equal(played.trackerDrama.VideoID,102);assert.equal(played.trackerDrama.DramaTypeID,'12');assert.equal(played.comments,undefined);assert.ok(!calls.some(call=>call.url.pathname==='/api/app/comment/list'));
  const chapter=calls.find(call=>call.url.pathname==='/api/app/playlet/chapter/detail')!;assert.equal(chapter.url.searchParams.get('chapterId'),'102');assert.equal(chapter.headers.get('authorization'),'test-session');
  assert.equal(await play(ctx('/play/drama/999/'),{slug:'drama',ep:'999'}),null);
  for(const path of ['/search/?q=legacy','/search/?page=2','/play/drama/?guessPage=2','/favorites/?filter=all','/favorites/invalid/','/history/page/10001/','/settings//'])assert.equal((await buildPage(ctx(path))).status,404,path);
 }finally{globalThis.fetch=originalFetch;if(originalUpstream===undefined)delete process.env.UPSTREAM_API_URL;else process.env.UPSTREAM_API_URL=originalUpstream;}
});