render();
}
function updateLike(id){
const arr = loadPosts();
const idx = arr.findIndex(x=>x.id===id);
if(idx===-1) return;
arr[idx].liked = !arr[idx].liked;
arr[idx].likes = (arr[idx].likes||0) + (arr[idx].liked ? 1 : -1);
savePosts(arr);
render();
}
function deletePost(id){
let arr = loadPosts();
arr = arr.filter(x=>x.id !== id);
savePosts(arr);
render();
}
function copyPost(id){
const arr = loadPosts();
const p = arr.find(x=>x.id===id);
if(!p) return;
navigator.clipboard?.writeText(p.content).then(()=>alert('Copiado!'));
}
postsEl.addEventListener('click', (e)=>{
const btn = e.target.closest('button'); if(!btn) return;
const act = btn.getAttribute('data-act'); const id = btn.getAttribute('data-id');
if(act==='like') updateLike(id);
if(act==='delete') { if(confirm('Excluir este post?')) deletePost(id); }
if(act==='copy') copyPost(id);
});
postBtn.addEventListener('click', ()=>{
const txt = input.value;
if(!txt.trim()) return alert('Escreve alguma coisa primeiro!');
createPost(txt);
input.value=''; chars.textContent='0';
});
// helpers
function escapeHtml(s){ return String(s).replace(/&/g,'&').replace(//g,'>') }
function linkify(text){
// transforma # e urls simples
return text.replace(/(https?:\/\/[^\s]+)/g, '$1')
.replace(/#(\w+)/g, '#$1');
}
// init
render();
// small sample posts if empty (uncomment to seed)
// if(loadPosts().length===0){ savePosts([{id:'p_1',author:'Amiga Dev',handle:'@amigadev',content:'Bem-vinda ao microblog!','likes':1,'time':Date.now()-60000}]); render(); }