app.js

const SUPABASE_URL = "https://azsmxatdvhpjdziiehoi.supabase.co";
// Publishable keys identify the project; authorization is enforced by Auth + RLS.
// Never place a Supabase secret/service_role key in browser code.
const SUPABASE_PUBLISHABLE_KEY = "sb_publishable_ua5OPYHgBNbr4D68eYc3Ag_3L4T6kfK";
const sb = window.supabase.createClient(SUPABASE_URL, SUPABASE_PUBLISHABLE_KEY, {
  auth:{persistSession:true,autoRefreshToken:true,detectSessionInUrl:true}
});
let currentUser = null;
let planItemsCache = [];
let goals = {kcal_target:1950,protein_target_g:140,carbs_target_g:205,fat_target_g:60,water_target_l:2.5};
const today = () => {
  const d=new Date(), y=d.getFullYear(),m=String(d.getMonth()+1).padStart(2,'0'),day=String(d.getDate()).padStart(2,'0');
  return `${y}-${m}-${day}`;
};
const dayStart = () => new Date(today()+'T00:00:00').toISOString();
const dayEnd = () => new Date(today()+'T23:59:59.999').toISOString();
const esc=s=>String(s??'').replace(/[&<>"']/g,m=>({'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":'&#039;'}[m]));
const mealTypeToDb = (label) => ({
  'Café da manhã':'cafe_da_manha',
  'Almoço':'almoco',
  'Lanche':'lanche',
  'Jantar':'jantar',
  'Extra':'extra'
}[label] || label);
const mealTypeFromDb = (value) => ({
  'cafe_da_manha':'Café da manhã',
  'almoco':'Almoço',
  'lanche':'Lanche',
  'jantar':'Jantar',
  'extra':'Extra'
}[value] || value);
const workoutTypeToDb = (label) => ({'Musculação':'musculacao','Natação':'natacao','Corrida':'corrida','Outro':'outro'}[label] || label);
const workoutTypeFromDb = (value) => ({'musculacao':'Musculação','natacao':'Natação','corrida':'Corrida','outro':'Outro'}[value] || value);

const showError = (e) => alert(e?.message || e || 'Ocorreu um erro.');
let toastTimer;
function showToast(message){
  toast.textContent=message;toast.classList.add('show');clearTimeout(toastTimer);
  toastTimer=setTimeout(()=>toast.classList.remove('show'),2200);
}

async function loginGoogle(){
  const redirectTo = 'https://searomjf.github.io/jeferson-fit/';
  const {error} = await sb.auth.signInWithOAuth({provider:'google',options:{redirectTo}});
  if(error) showError(error);
}
async function logout(){await sb.auth.signOut();location.reload()}

async function initAuth(){
  const {data:{session}} = await sb.auth.getSession();
  if(session) await enterApp(session.user);
  sb.auth.onAuthStateChange(async (_event,session)=>{ if(session?.user && !currentUser) await enterApp(session.user); });
}

async function enterApp(user){
  currentUser=user;
  loginScreen.classList.add('hidden');appScreen.classList.remove('hidden');
  userName.textContent=user.user_metadata?.full_name || user.email || 'Usuário';
  if(user.user_metadata?.avatar_url){avatar.src=user.user_metadata.avatar_url;avatar.classList.remove('hidden')}
  await ensureProfileAndGoals();
  await refreshAll();
}

async function ensureProfileAndGoals(){
  await sb.from('profiles').upsert({user_id:currentUser.id,display_name:currentUser.user_metadata?.full_name||null},{onConflict:'user_id'});
  const {data,error}=await sb.from('user_goals').select('*').eq('user_id',currentUser.id).order('active_from',{ascending:false}).limit(1);
  if(error) return showError(error);
  if(!data?.length){
    const {error:e}=await sb.from('user_goals').insert({user_id:currentUser.id,kcal_target:1950,protein_target_g:140,carbs_target_g:205,fat_target_g:60,water_target_l:2.5});
    if(e) return showError(e);
  } else goals=data[0];
  renderGoals();
}

async function refreshAll(){await Promise.all([loadToday(),loadProgress(),loadHistory(),loadPlanItems()]);}

async function loadToday(){
  const [mealsR,logR,workR]=await Promise.all([
    sb.from('meals').select('*').eq('user_id',currentUser.id).gte('eaten_at',dayStart()).lte('eaten_at',dayEnd()).order('eaten_at'),
    sb.from('daily_logs').select('*').eq('user_id',currentUser.id).eq('log_date',today()).maybeSingle(),
    sb.from('workouts').select('*').eq('user_id',currentUser.id).gte('started_at',dayStart()).lte('started_at',dayEnd()).order('started_at')
  ]);
  if(mealsR.error||logR.error||workR.error)return showError(mealsR.error||logR.error||workR.error);
  renderToday(mealsR.data||[],logR.data,workR.data||[]);
}

function renderToday(meals,log,workouts){
  const kcal=meals.reduce((a,m)=>a+Number(m.kcal||0),0),protein=meals.reduce((a,m)=>a+Number(m.protein_g||0),0),water=Number(log?.water_l||0);
  kcalNow.textContent=Math.round(kcal);proteinNow.textContent=Math.round(protein);waterNow.textContent=water.toFixed(1).replace('.',',');hungerNow.textContent=log?.hunger_afternoon??'–';
  kcalBar.style.width=Math.min(100,kcal/goals.kcal_target*100)+'%';proteinBar.style.width=Math.min(100,protein/goals.protein_target_g*100)+'%';waterBar.style.width=Math.min(100,water/goals.water_target_l*100)+'%';
  waterInput.value=log?.water_l ? Math.round(Number(log.water_l)*1000) : '';hungerInput.value=log?.hunger_afternoon??'';
  mealList.innerHTML=meals.map(m=>`<div class="item"><div><b>${esc(mealTypeFromDb(m.meal_type))}</b><div>${esc(m.name)}</div><div class="small">${Math.round(m.kcal)} kcal • ${m.protein_g} g proteína • ${m.carbs_g} g carbo • ${m.fat_g} g gordura</div></div><button class="secondary" data-action="remove-meal" data-id="${esc(m.id)}">Remover</button></div>`).join('')||'<div class="small">Nenhuma refeição registrada hoje.</div>';
  workoutList.innerHTML=workouts.map(w=>`<div class="item"><div><b>${esc(workoutTypeFromDb(w.workout_type))}</b><div class="small">${w.duration_minutes||0} min${w.distance_km?' • '+w.distance_km+' km':''}</div></div><button class="secondary" data-action="remove-workout" data-id="${esc(w.id)}">Remover</button></div>`).join('')||'<div class="small">Nenhum treino registrado hoje.</div>';
}

async function addMeal(){
  if(!mealName.value.trim())return alert('Digite o nome da refeição.');
  const {error}=await sb.from('meals').insert({
    user_id:currentUser.id,meal_type:mealTypeToDb(mealType.value),name:mealName.value.trim(),
    kcal:+mealKcal.value||0,protein_g:+mealProtein.value||0,carbs_g:+mealCarbs.value||0,fat_g:+mealFat.value||0
  });
  if(error)return showError(error);
  mealName.value=mealKcal.value=mealProtein.value=mealCarbs.value=mealFat.value='';await loadToday();await loadHistory();
}
async function removeMeal(id){if(!confirm('Remover esta refeição?'))return;const {error}=await sb.from('meals').delete().eq('id',id).eq('user_id',currentUser.id);if(error)return showError(error);await loadToday();await loadHistory()}

async function saveDay(){
  const previousText=saveDayBtn.textContent;
  saveDayBtn.disabled=true;saveDayBtn.textContent='Salvando…';
  const payload={user_id:currentUser.id,log_date:today(),water_l:(+waterInput.value||0)/1000,hunger_afternoon:hungerInput.value===''?null:+hungerInput.value,updated_at:new Date().toISOString()};
  const {error}=await sb.from('daily_logs').upsert(payload,{onConflict:'user_id,log_date'});
  if(error){saveDayBtn.disabled=false;saveDayBtn.textContent=previousText;return showError(error)}
  await loadToday();
  waterInput.value='';hungerInput.value='';
  saveDayBtn.textContent='Salvo ✓';showToast('Água e fome salvas ✓');
  setTimeout(()=>{saveDayBtn.disabled=false;saveDayBtn.textContent=previousText},1500);
}
function addWater(ml){waterInput.value=(+waterInput.value||0)+ml;saveDay()}

async function addWorkout(){
  const selectedDate=trainingDate.value||today();
  const startedAt=selectedDate===today()?new Date().toISOString():new Date(`${selectedDate}T12:00:00`).toISOString();
  const {error}=await sb.from('workouts').insert({user_id:currentUser.id,workout_type:workoutTypeToDb(trainingType.value),started_at:startedAt,duration_minutes:+trainingMinutes.value||null,distance_km:+trainingDistance.value||null,source:'manual'});
  if(error)return showError(error);trainingMinutes.value=trainingDistance.value='';trainingDate.value=today();await loadToday();await loadHistory();showToast('Treino registrado ✓');
}
async function removeWorkout(id){if(!confirm('Remover este treino?'))return;const {error}=await sb.from('workouts').delete().eq('id',id).eq('user_id',currentUser.id);if(error)return showError(error);await loadToday();await loadHistory()}

async function addProgress(){
  if(!weightInput.value&&!waistInput.value&&!bodyFatInput.value)return alert('Informe ao menos uma medida.');
  const {error}=await sb.from('body_measurements').insert({user_id:currentUser.id,weight_kg:+weightInput.value||null,waist_cm:+waistInput.value||null,body_fat_pct:+bodyFatInput.value||null});
  if(error)return showError(error);weightInput.value=waistInput.value=bodyFatInput.value='';await loadProgress();
}
async function loadProgress(){
  if(!currentUser)return;const {data,error}=await sb.from('body_measurements').select('*').eq('user_id',currentUser.id).order('measured_at',{ascending:true}).limit(100);
  if(error)return showError(error);drawChart('weightChart',data||[],'weight_kg',' kg');drawChart('waistChart',data||[],'waist_cm',' cm');
  progressList.innerHTML=(data||[]).slice().reverse().slice(0,10).map(x=>`<div class="item"><div><b>${new Date(x.measured_at).toLocaleDateString('pt-BR')}</b><div class="small">${x.weight_kg??'–'} kg • cintura ${x.waist_cm??'–'} cm • gordura ${x.body_fat_pct??'–'}%</div></div></div>`).join('')||'<div class="small">Sem medições ainda.</div>';
}
function drawChart(id,data,field,suffix){
  const c=document.getElementById(id),ctx=c.getContext('2d');ctx.clearRect(0,0,c.width,c.height);const pts=data.filter(x=>x[field]!=null).slice(-20);
  if(!pts.length){ctx.fillStyle='#6b7280';ctx.fillText('Sem dados ainda.',20,30);return}
  const vals=pts.map(x=>Number(x[field])),min=Math.min(...vals),max=Math.max(...vals),pad=(max-min||1)*.25,lo=min-pad,hi=max+pad;
  ctx.strokeStyle='#d1d5db';ctx.lineWidth=1;ctx.beginPath();ctx.moveTo(40,10);ctx.lineTo(40,190);ctx.lineTo(800,190);ctx.stroke();
  const X=i=>40+(pts.length===1?380:i*(760/(pts.length-1))),Y=v=>190-(v-lo)/(hi-lo)*170;
  ctx.strokeStyle='#111827';ctx.lineWidth=3;ctx.beginPath();pts.forEach((p,i)=>{const x=X(i),y=Y(Number(p[field]));i?ctx.lineTo(x,y):ctx.moveTo(x,y)});ctx.stroke();
  ctx.fillStyle='#111827';ctx.font='12px system-ui';pts.forEach((p,i)=>{const x=X(i),y=Y(Number(p[field]));ctx.beginPath();ctx.arc(x,y,4,0,Math.PI*2);ctx.fill();ctx.fillText(p[field]+suffix,x-12,y-10)});
}

function renderGoals(){
  kcalTarget.textContent=goals.kcal_target;proteinTarget.textContent=goals.protein_target_g;waterTarget.textContent=String(goals.water_target_l).replace('.',',');
  goalKcal.value=goals.kcal_target;goalProtein.value=goals.protein_target_g;goalCarbs.value=goals.carbs_target_g??205;goalFat.value=goals.fat_target_g??60;goalWater.value=goals.water_target_l;
}
async function saveGoals(){
  const payload={user_id:currentUser.id,kcal_target:+goalKcal.value||1950,protein_target_g:+goalProtein.value||140,carbs_target_g:+goalCarbs.value||null,fat_target_g:+goalFat.value||null,water_target_l:+goalWater.value||2.5,active_from:today()};
  const {error}=await sb.from('user_goals').insert(payload);if(error)return showError(error);goals=payload;renderGoals();await loadToday();alert('Metas atualizadas.');
}


async function loadPlanItems(){
  if(!currentUser)return;
  const {data,error}=await sb.from('plan_items').select('*').eq('user_id',currentUser.id).order('sort_order',{ascending:true}).order('created_at',{ascending:true});
  if(error)return showError(error);
  planItemsCache=data||[];
  planItemsList.innerHTML=planItemsCache.map(x=>`<div class="item"><div><span class="pill">${esc(x.section)}</span><div style="margin-top:6px"><b>${esc(x.title)}</b></div><div class="small" style="white-space:pre-wrap;margin-top:4px">${esc(x.description||'')}</div><div class="small" style="margin-top:4px">${Number(x.kcal||0)} kcal • ${Number(x.protein_g||0)} g proteína • ${Number(x.carbs_g||0)} g carbo • ${Number(x.fat_g||0)} g gordura</div></div><div style="display:flex;gap:6px;align-items:flex-start"><button class="secondary" data-action="edit-plan" data-id="${esc(x.id)}">Editar</button><button class="secondary" data-action="remove-plan" data-id="${esc(x.id)}">Excluir</button></div></div>`).join('')||'<div class="small">Seu plano ainda está vazio. Cadastre a primeira refeição ou orientação acima.</div>';
  refreshPlanMealSelect();
}
function refreshPlanMealSelect(){
  if(!document.getElementById('planMealSelect'))return;
  const type=mealType.value;
  const relevant=planItemsCache.filter(x=>x.section===type || (type==='Extra' && !['Café da manhã','Almoço','Lanche','Jantar'].includes(x.section)));
  planMealSelect.innerHTML='<option value="">Usar opção do meu plano (opcional)</option>'+relevant.map(x=>`<option value="${x.id}">${esc(x.title)} — ${esc(x.description||'')}</option>`).join('');
}
function resetPlanForm(){
  planItemId.value='';planSection.value='Café da manhã';planTitle.value='';planDescription.value='';planKcal.value='';planProtein.value='';planCarbs.value='';planFat.value='';planOrder.value='0';
  savePlanItemBtn.textContent='Adicionar ao plano';cancelPlanEditBtn.classList.add('hidden');
}
function editPlanItem(id){
  const x=planItemsCache.find(item=>item.id===id);if(!x)return;
  planItemId.value=x.id;planSection.value=x.section;planTitle.value=x.title;planDescription.value=x.description||'';planKcal.value=x.kcal||0;planProtein.value=x.protein_g||0;planCarbs.value=x.carbs_g||0;planFat.value=x.fat_g||0;planOrder.value=x.sort_order||0;
  savePlanItemBtn.textContent='Salvar alteração';cancelPlanEditBtn.classList.remove('hidden');window.scrollTo({top:document.getElementById('plan').offsetTop,behavior:'smooth'});
}
async function savePlanItem(){
  if(!planTitle.value.trim())return alert('Digite um título para o item do plano.');
  const payload={user_id:currentUser.id,section:planSection.value,title:planTitle.value.trim(),description:planDescription.value.trim()||null,sort_order:+planOrder.value||0,kcal:+planKcal.value||0,protein_g:+planProtein.value||0,carbs_g:+planCarbs.value||0,fat_g:+planFat.value||0};
  let result;
  if(planItemId.value) result=await sb.from('plan_items').update(payload).eq('id',planItemId.value).eq('user_id',currentUser.id);
  else result=await sb.from('plan_items').insert(payload);
  if(result.error)return showError(result.error);
  resetPlanForm();await loadPlanItems();
}
async function removePlanItem(id){
  if(!confirm('Excluir este item do seu plano alimentar?'))return;
  const {error}=await sb.from('plan_items').delete().eq('id',id).eq('user_id',currentUser.id);
  if(error)return showError(error);await loadPlanItems();
}
function loadSelectedPlanMeal(){
  const item=planItemsCache.find(x=>x.id===planMealSelect.value);
  if(!item)return alert('Escolha uma opção do seu plano.');
  mealName.value=item.title+(item.description?' — '+item.description:'');
  mealKcal.value=item.kcal||0;mealProtein.value=item.protein_g||0;mealCarbs.value=item.carbs_g||0;mealFat.value=item.fat_g||0;
}
async function saveCurrentMealToPlan(){
  if(!mealName.value.trim())return alert('Preencha a refeição primeiro.');
  const title=prompt('Qual nome você quer dar para esta opção no plano?', mealName.value.trim());
  if(!title)return;
  const payload={user_id:currentUser.id,section:mealType.value,title:title.trim(),description:mealName.value.trim(),sort_order:0,kcal:+mealKcal.value||0,protein_g:+mealProtein.value||0,carbs_g:+mealCarbs.value||0,fat_g:+mealFat.value||0};
  const {error}=await sb.from('plan_items').insert(payload);
  if(error)return showError(error);
  await loadPlanItems();alert('Refeição salva no seu plano.');
}

async function loadHistory(){
  if(!currentUser)return;const [m,w]=await Promise.all([
    sb.from('meals').select('*').eq('user_id',currentUser.id).order('eaten_at',{ascending:false}).limit(15),
    sb.from('workouts').select('*').eq('user_id',currentUser.id).order('started_at',{ascending:false}).limit(15)
  ]);
  if(m.error||w.error)return showError(m.error||w.error);
  historyMeals.innerHTML=(m.data||[]).map(x=>`<div class="item"><div><b>${esc(x.name)}</b><div class="small">${new Date(x.eaten_at).toLocaleString('pt-BR')} • ${x.kcal} kcal • ${x.protein_g} g proteína</div></div></div>`).join('')||'<div class="small">Sem refeições.</div>';
  historyWorkouts.innerHTML=(w.data||[]).map(x=>`<div class="item"><div><b>${esc(workoutTypeFromDb(x.workout_type))}</b><div class="small">${new Date(x.started_at).toLocaleString('pt-BR')} • ${x.duration_minutes||0} min${x.distance_km?' • '+x.distance_km+' km':''}</div></div></div>`).join('')||'<div class="small">Sem treinos.</div>';
}

document.getElementById('googleLogin').onclick=loginGoogle;document.getElementById('logoutBtn').onclick=logout;
document.getElementById('addMealBtn').onclick=addMeal;document.getElementById('saveCurrentMealToPlanBtn').onclick=saveCurrentMealToPlan;document.getElementById('loadPlanMealBtn').onclick=loadSelectedPlanMeal;document.getElementById('mealType').onchange=refreshPlanMealSelect;document.getElementById('saveDayBtn').onclick=saveDay;document.getElementById('addWorkoutBtn').onclick=addWorkout;
document.getElementById('addProgressBtn').onclick=addProgress;document.getElementById('saveGoalsBtn').onclick=saveGoals;document.getElementById('savePlanItemBtn').onclick=savePlanItem;document.getElementById('cancelPlanEditBtn').onclick=resetPlanForm;
document.querySelectorAll('[data-add-water]').forEach(button=>button.addEventListener('click',()=>addWater(Number(button.dataset.addWater))));
mealList.addEventListener('click',event=>{const button=event.target.closest('[data-action="remove-meal"]');if(button)removeMeal(button.dataset.id)});
workoutList.addEventListener('click',event=>{const button=event.target.closest('[data-action="remove-workout"]');if(button)removeWorkout(button.dataset.id)});
planItemsList.addEventListener('click',event=>{const button=event.target.closest('[data-action]');if(!button)return;if(button.dataset.action==='edit-plan')editPlanItem(button.dataset.id);if(button.dataset.action==='remove-plan')removePlanItem(button.dataset.id)});
document.querySelectorAll('nav button').forEach(b=>b.onclick=()=>{document.querySelectorAll('nav button').forEach(x=>x.classList.remove('active'));b.classList.add('active');document.querySelectorAll('main section').forEach(s=>s.classList.add('hidden'));document.getElementById(b.dataset.tab).classList.remove('hidden');if(b.dataset.tab==='progress')loadProgress();if(b.dataset.tab==='plan')loadPlanItems();if(b.dataset.tab==='history')loadHistory()});
trainingDate.value=today();trainingDate.max=today();
initAuth();
if('serviceWorker' in navigator) navigator.serviceWorker.register('sw.js');