import {afterAll,expect,test} from "bun:test";
import {mkdirSync,mkdtempSync,readFileSync,readdirSync,rmSync,writeFileSync} from "node:fs";
import {join} from "node:path";
import {runBuild} from "../src/build.ts";
const scratch=join(import.meta.dir,".tmp-client-dependency");
mkdirSync(scratch,{recursive:true});
afterAll(()=>rmSync(scratch,{recursive:true,force:true}));
test("changing a bundled dependency changes the immutable client URL",async()=>{
  const root=mkdtempSync(join(scratch,"app-"));
  mkdirSync(join(root,"app/pages"),{recursive:true});
  writeFileSync(join(root,"package.json"),JSON.stringify({name:"client-cache-fixture"}));
  writeFileSync(join(root,"wrnexus.config.ts"),"export default {};\n");
  writeFileSync(join(root,"app/pages/index.wrn"),'import {message} from "../message.ts"\npage Home { functions { client function show(){alert(message)} } view { <button type="button" on:click={show()}>Show message</button> } }');
  const files:string[]=[];
  for(const message of ["first dependency","updated dependency"]){
    writeFileSync(join(root,"app/message.ts"),`export const message=${JSON.stringify(message)};`);
    await runBuild(root);
    const file=readdirSync(join(root,"dist/client")).find(name=>name.startsWith("index-")&&readFileSync(join(root,"dist/client",name),"utf8").includes(message));
    expect(file).toBeDefined();
    files.push(file!);
    expect(readFileSync(join(root,"dist/server.js"),"utf8")).toContain(`/__wrnexus/client/${file}`);
  }
  expect(files[0]).not.toBe(files[1]);
},120000);