/** Node 22+, no dependencies. ACTION=me|search|download|image */
import fs from 'node:fs/promises';
const base=(process.env.MOTIONGIT_BASE_URL??'http://127.0.0.1:8095').replace(/\/$/,'');
const key=process.env.MOTIONGIT_API_KEY;if(!key)throw Error('Set MOTIONGIT_API_KEY');
const action=process.env.ACTION??'me';
const routes={me:'/api/v1/me',search:'/api/v1/stickers/search?q='+encodeURIComponent(process.env.QUERY??'增长')+'&limit=5',download:'/api/v1/stickers/'+encodeURIComponent(process.env.PRESET??'growth'),image:'/api/v1/images'};
if(!Object.hasOwn(routes,action))throw Error('Unknown ACTION');
const res=await fetch(base+routes[action],{headers:{authorization:'Bearer '+key,'content-type':'application/json'},...(action==='image'?{method:'POST',body:JSON.stringify({prompt:process.env.PROMPT??'清晨城市天际线',size:'1536x1024'})}:{})});
const json=await res.json();console.log(JSON.stringify({status:res.status,body:json},null,2));
if(!res.ok){if(res.status===503&&json.error?.code==='not_enabled')console.log('生图内测未启用，本次没有扣点。');else process.exitCode=1;}
else if(action==='download')await fs.writeFile(process.env.OUTPUT??'sticker.json',JSON.stringify(json));
else if(action==='image'){
 const asset=new URL(json.url);if(asset.origin!==new URL(base).origin)throw Error('Unexpected asset origin');
 const image=await fetch(asset,{headers:{authorization:'Bearer '+key}});if(!image.ok)throw Error('Asset download failed');
 await fs.writeFile(process.env.OUTPUT??'generated.png',Buffer.from(await image.arrayBuffer()));
}