---
import Base from '../../layouts/Base.astro';
---
<Base title="Settings — BincioActivity">
  <div class="max-w-lg mx-auto px-4 py-10">
    <h1 class="text-2xl font-bold text-white mb-8">Settings</h1>

    <!-- Storage card -->
    <section class="mb-6 rounded-xl bg-zinc-900 border border-zinc-800 p-5">
      <h2 class="text-sm font-semibold text-zinc-400 uppercase tracking-wider mb-4">Storage</h2>
      <div id="storage-loading" class="text-zinc-500 text-sm">Loading…</div>
      <div id="storage-content" class="hidden space-y-2">
        <div class="flex justify-between text-sm">
          <span class="text-zinc-400">Activities</span>
          <span id="st-activities" class="text-white tabular-nums"></span>
        </div>
        <div class="flex justify-between text-sm">
          <span class="text-zinc-400">Original files</span>
          <span id="st-originals" class="text-white tabular-nums"></span>
        </div>
        <div id="st-strava-row" class="flex justify-between text-sm pl-4 hidden">
          <span class="text-zinc-500">↳ Strava originals</span>
          <span id="st-strava" class="text-zinc-400 tabular-nums"></span>
        </div>
        <div class="flex justify-between text-sm">
          <span class="text-zinc-400">Photos</span>
          <span id="st-images" class="text-white tabular-nums"></span>
        </div>
        <div class="border-t border-zinc-800 mt-2 pt-2 flex justify-between text-sm font-medium">
          <span class="text-zinc-300">Total</span>
          <span id="st-total" class="text-white tabular-nums"></span>
        </div>
      </div>
      <!-- Delete originals -->
      <div id="del-originals-area" class="mt-4 hidden">
        <p class="text-xs text-zinc-500 mb-3">
          Original files are kept for reprocessing. Once your activities look correct you can free this space — the extracted data is not affected.
        </p>
        <button id="del-originals-btn"
          class="px-4 py-2 rounded-lg text-sm bg-zinc-800 hover:bg-amber-900 hover:text-amber-300 text-zinc-300 transition-colors">
          Delete original files
        </button>
        <p id="del-originals-status" class="text-xs mt-2 hidden"></p>
      </div>
    </section>

    <!-- Profile card -->
    <section class="mb-6 rounded-xl bg-zinc-900 border border-zinc-800 p-5">
      <h2 class="text-sm font-semibold text-zinc-400 uppercase tracking-wider mb-4">Profile</h2>
      <form id="display-name-form" class="flex gap-2 items-end">
        <div class="flex-1">
          <label class="block text-xs text-zinc-500 mb-1" for="display-name-input">Display name</label>
          <input id="display-name-input" type="text" maxlength="60" autocomplete="name"
            class="w-full px-3 py-2 rounded-lg bg-zinc-800 border border-zinc-700 text-white placeholder-zinc-500 focus:outline-none focus:border-[--accent] text-sm"
            placeholder="Your name" />
        </div>
        <button type="submit"
          class="px-4 py-2 rounded-lg text-sm bg-zinc-700 hover:bg-zinc-600 text-white transition-colors shrink-0">
          Save
        </button>
      </form>
      <p id="display-name-status" class="text-xs mt-2 hidden"></p>
    </section>

    <!-- Password card -->
    <section class="mb-6 rounded-xl bg-zinc-900 border border-zinc-800 p-5">
      <h2 class="text-sm font-semibold text-zinc-400 uppercase tracking-wider mb-4">Password</h2>
      <form id="password-form" class="space-y-3">
        <div>
          <label class="block text-xs text-zinc-500 mb-1" for="pw-current">Current password</label>
          <input id="pw-current" type="password" autocomplete="current-password" required
            class="w-full px-3 py-2 rounded-lg bg-zinc-800 border border-zinc-700 text-white focus:outline-none focus:border-[--accent] text-sm" />
        </div>
        <div>
          <label class="block text-xs text-zinc-500 mb-1" for="pw-new">New password</label>
          <input id="pw-new" type="password" autocomplete="new-password" minlength="8" required
            class="w-full px-3 py-2 rounded-lg bg-zinc-800 border border-zinc-700 text-white focus:outline-none focus:border-[--accent] text-sm" />
          <p class="text-zinc-600 text-xs mt-1">At least 8 characters</p>
        </div>
        <p id="pw-status" class="text-xs hidden"></p>
        <button type="submit"
          class="px-4 py-2 rounded-lg text-sm bg-zinc-700 hover:bg-zinc-600 text-white transition-colors">
          Change password
        </button>
      </form>
    </section>

    <!-- Navigation visibility card -->
    <section class="mb-6 rounded-xl bg-zinc-900 border border-zinc-800 p-5">
      <h2 class="text-sm font-semibold text-zinc-400 uppercase tracking-wider mb-1">Navigation</h2>
      <p class="text-xs text-zinc-600 mb-4">Hide items from the top nav bar. Affects only your view.</p>
      <div class="space-y-3">
        <label class="flex items-center gap-3 cursor-pointer group">
          <input id="nav-hide-feed" type="checkbox" class="accent-[--accent]" />
          <span class="text-sm text-zinc-300 group-hover:text-white transition-colors">Hide Feed</span>
        </label>
        <label class="flex items-center gap-3 cursor-pointer group">
          <input id="nav-hide-community" type="checkbox" class="accent-[--accent]" />
          <span class="text-sm text-zinc-300 group-hover:text-white transition-colors">Hide Community</span>
        </label>
        <label class="flex items-center gap-3 cursor-pointer group">
          <input id="nav-hide-about" type="checkbox" class="accent-[--accent]" />
          <span class="text-sm text-zinc-300 group-hover:text-white transition-colors">Hide About</span>
        </label>
      </div>
      <p id="nav-prefs-status" class="text-xs mt-3 hidden"></p>
    </section>

    <!-- Strava credentials card -->
    <section class="mb-6 rounded-xl bg-zinc-900 border border-zinc-800 p-5">
      <h2 class="text-sm font-semibold text-zinc-400 uppercase tracking-wider mb-1">Strava API credentials</h2>
      <p id="strava-creds-desc" class="text-xs text-zinc-600 mb-4">Loading…</p>
      <form id="strava-creds-form" class="space-y-3">
        <div>
          <label class="block text-xs text-zinc-500 mb-1" for="strava-client-id">Client ID</label>
          <input id="strava-client-id" type="text" autocomplete="off"
            class="w-full px-3 py-2 rounded-lg bg-zinc-800 border border-zinc-700 text-white placeholder-zinc-500 focus:outline-none focus:border-[--accent] text-sm"
            placeholder="123456" />
        </div>
        <div>
          <label class="block text-xs text-zinc-500 mb-1" for="strava-client-secret">Client secret</label>
          <input id="strava-client-secret" type="password" autocomplete="off"
            class="w-full px-3 py-2 rounded-lg bg-zinc-800 border border-zinc-700 text-white placeholder-zinc-500 focus:outline-none focus:border-[--accent] text-sm"
            placeholder="Leave blank to keep existing" />
        </div>
        <p id="strava-creds-status" class="text-xs hidden"></p>
        <div class="flex gap-2">
          <button type="submit"
            class="px-4 py-2 rounded-lg text-sm bg-zinc-700 hover:bg-zinc-600 text-white transition-colors">
            Save
          </button>
          <button type="button" id="strava-creds-clear"
            class="px-4 py-2 rounded-lg text-sm bg-zinc-800 hover:bg-red-900 hover:text-red-300 text-zinc-400 transition-colors">
            Use instance credentials
          </button>
        </div>
      </form>
    </section>

    <!-- Danger zone -->
    <section class="rounded-xl bg-zinc-900 border border-red-900/40 p-5">
      <h2 class="text-sm font-semibold text-red-400/70 uppercase tracking-wider mb-4">Danger zone</h2>

      <!-- Delete activities -->
      <div class="mb-5">
        <p class="text-sm text-zinc-300 font-medium mb-1">Reset activity data</p>
        <p class="text-xs text-zinc-500 mb-3">Wipes all extracted activities, edits, and photos. Your account is kept. Cannot be undone.</p>
        <button id="del-activities-btn"
          class="px-4 py-2 rounded-lg text-sm bg-zinc-800 hover:bg-red-900 hover:text-red-300 text-zinc-400 transition-colors">
          Delete all activities
        </button>
      </div>

      <div class="border-t border-zinc-800 pt-5">
        <p class="text-sm text-zinc-300 font-medium mb-1">Delete account</p>
        <p class="text-xs text-zinc-500 mb-3">Permanently deletes your account and all data. Cannot be undone.</p>
        <button id="del-account-btn"
          class="px-4 py-2 rounded-lg text-sm bg-zinc-800 hover:bg-red-900 hover:text-red-300 text-zinc-400 transition-colors">
          Delete account
        </button>
      </div>
    </section>
  </div>

  <!-- Confirmation modal (shared for activities + account deletion) -->
  <dialog id="confirm-dialog"
    class="rounded-xl bg-zinc-900 border border-zinc-700 p-6 text-white max-w-sm w-full backdrop:bg-black/60">
    <p id="confirm-title" class="text-sm text-zinc-300 mb-1 font-medium"></p>
    <p id="confirm-desc" class="text-xs text-zinc-500 mb-4"></p>
    <div class="mb-4">
      <label class="block text-xs text-zinc-500 mb-1" for="confirm-password">Confirm with your password</label>
      <input id="confirm-password" type="password" autocomplete="current-password"
        class="w-full px-3 py-2 rounded-lg bg-zinc-800 border border-zinc-700 text-white focus:outline-none focus:border-red-500 text-sm" />
    </div>
    <p id="confirm-error" class="text-red-400 text-xs mb-3 hidden"></p>
    <div class="flex gap-3 justify-end">
      <button id="confirm-cancel"
        class="px-4 py-2 rounded-lg text-sm bg-zinc-800 hover:bg-zinc-700 text-zinc-300 transition-colors">Cancel</button>
      <button id="confirm-ok"
        class="px-4 py-2 rounded-lg text-sm bg-red-700 hover:bg-red-600 text-white font-medium transition-colors">Confirm</button>
    </div>
  </dialog>
</Base>

<script>
  function fmtMb(mb: number): string {
    if (mb >= 1024) return (mb / 1024).toFixed(2) + ' GB';
    if (mb >= 1)    return mb.toFixed(0) + ' MB';
    return (mb * 1024).toFixed(0) + ' KB';
  }

  function setStatus(el: HTMLElement, msg: string, ok: boolean) {
    el.textContent = msg;
    el.style.color = ok ? '#4ade80' : '#f87171';
    el.classList.remove('hidden');
  }

  // ── Storage ─────────────────────────────────────────────────────────────────

  async function loadStorage() {
    const loading = document.getElementById('storage-loading')!;
    const content = document.getElementById('storage-content')!;
    try {
      const r = await fetch('/api/me/storage', { credentials: 'include' });
      if (r.status === 401) { window.location.href = `/login/?next=/settings/`; return; }
      if (!r.ok) throw new Error(`HTTP ${r.status}`);
      const d = await r.json();

      document.getElementById('st-activities')!.textContent =
        `${fmtMb(d.activities_mb)} (${d.activities_count} activities)`;
      document.getElementById('st-originals')!.textContent = fmtMb(d.originals_mb);
      document.getElementById('st-images')!.textContent    = fmtMb(d.images_mb);
      document.getElementById('st-total')!.textContent     = fmtMb(d.total_mb);

      if (d.strava_originals_mb > 0) {
        document.getElementById('st-strava')!.textContent =
          `${fmtMb(d.strava_originals_mb)} (${d.strava_originals_count} files)`;
        document.getElementById('st-strava-row')!.classList.remove('hidden');
      }

      if (d.originals_mb > 0) {
        document.getElementById('del-originals-area')!.classList.remove('hidden');
      }

      loading.classList.add('hidden');
      content.classList.remove('hidden');
    } catch (e: any) {
      loading.textContent = 'Could not load storage info.';
    }
  }

  document.getElementById('del-originals-btn')?.addEventListener('click', async () => {
    const btn = document.getElementById('del-originals-btn') as HTMLButtonElement;
    const statusEl = document.getElementById('del-originals-status')!;
    if (!confirm('Delete all original files? The extracted activities are not affected.')) return;
    btn.disabled = true;
    btn.textContent = 'Deleting…';
    try {
      const r = await fetch('/api/me/originals', { method: 'DELETE', credentials: 'include' });
      const d = await r.json();
      if (r.ok) {
        setStatus(statusEl, `Freed ${fmtMb(d.freed_mb)}.`, true);
        btn.closest('div')!.querySelector('button')!.remove();
        loadStorage();
      } else {
        btn.disabled = false;
        btn.textContent = 'Delete original files';
        setStatus(statusEl, d.detail ?? 'Failed', false);
      }
    } catch {
      btn.disabled = false;
      btn.textContent = 'Delete original files';
      setStatus(statusEl, 'Could not reach server', false);
    }
  });

  // ── Display name ─────────────────────────────────────────────────────────────

  async function loadMe() {
    try {
      const r = await fetch('/api/me', { credentials: 'include' });
      if (!r.ok) return;
      const d = await r.json();
      (document.getElementById('display-name-input') as HTMLInputElement).value = d.display_name ?? '';
    } catch {}
  }

  document.getElementById('display-name-form')?.addEventListener('submit', async (e) => {
    e.preventDefault();
    const statusEl = document.getElementById('display-name-status')!;
    const val = (document.getElementById('display-name-input') as HTMLInputElement).value.trim();
    try {
      const r = await fetch('/api/me/display-name', {
        method: 'PUT',
        credentials: 'include',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ display_name: val }),
      });
      const d = await r.json();
      if (r.ok) {
        setStatus(statusEl, 'Saved.', true);
        setTimeout(() => statusEl.classList.add('hidden'), 3000);
      } else {
        setStatus(statusEl, d.detail ?? 'Failed', false);
      }
    } catch {
      setStatus(statusEl, 'Could not reach server', false);
    }
  });

  // ── Password ─────────────────────────────────────────────────────────────────

  document.getElementById('password-form')?.addEventListener('submit', async (e) => {
    e.preventDefault();
    const statusEl  = document.getElementById('pw-status')!;
    const btn       = (e.target as HTMLFormElement).querySelector('button[type=submit]') as HTMLButtonElement;
    const current   = (document.getElementById('pw-current') as HTMLInputElement).value;
    const newPw     = (document.getElementById('pw-new')     as HTMLInputElement).value;
    statusEl.classList.add('hidden');
    btn.disabled = true;
    try {
      const r = await fetch('/api/me/password', {
        method: 'PUT',
        credentials: 'include',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ current_password: current, new_password: newPw }),
      });
      const d = await r.json();
      if (r.ok) {
        setStatus(statusEl, 'Password changed.', true);
        (document.getElementById('pw-current') as HTMLInputElement).value = '';
        (document.getElementById('pw-new')     as HTMLInputElement).value = '';
      } else {
        setStatus(statusEl, d.detail ?? 'Failed', false);
      }
    } catch {
      setStatus(statusEl, 'Could not reach server', false);
    }
    btn.disabled = false;
  });

  // ── Confirmation modal ────────────────────────────────────────────────────────

  const dialog      = document.getElementById('confirm-dialog') as HTMLDialogElement;
  const confirmTitle  = document.getElementById('confirm-title')!;
  const confirmDesc   = document.getElementById('confirm-desc')!;
  const confirmPw     = document.getElementById('confirm-password') as HTMLInputElement;
  const confirmErr    = document.getElementById('confirm-error')!;
  const confirmOk     = document.getElementById('confirm-ok') as HTMLButtonElement;
  const confirmCancel = document.getElementById('confirm-cancel')!;

  let pendingAction: 'activities' | 'account' | null = null;

  function openConfirm(action: 'activities' | 'account') {
    pendingAction = action;
    confirmErr.classList.add('hidden');
    confirmPw.value = '';
    if (action === 'activities') {
      confirmTitle.textContent = 'Delete all activity data?';
      confirmDesc.textContent  = 'Removes all extracted activities, edits, and photos. Your account is kept.';
    } else {
      confirmTitle.textContent = 'Delete your account?';
      confirmDesc.textContent  = 'Permanently deletes your account and all associated data. This cannot be undone.';
    }
    dialog.showModal();
    setTimeout(() => confirmPw.focus(), 50);
  }

  confirmCancel.addEventListener('click', () => dialog.close());
  dialog.addEventListener('click', e => { if (e.target === dialog) dialog.close(); });
  dialog.addEventListener('keydown', e => { if (e.key === 'Escape') dialog.close(); });

  confirmOk.addEventListener('click', async () => {
    confirmErr.classList.add('hidden');
    const password = confirmPw.value;
    if (!password) {
      confirmErr.textContent = 'Enter your password to confirm.';
      confirmErr.classList.remove('hidden');
      return;
    }
    confirmOk.disabled = true;
    confirmOk.textContent = 'Working…';

    const url   = pendingAction === 'account' ? '/api/me' : '/api/me/activities';
    try {
      const r = await fetch(url, {
        method: 'DELETE',
        credentials: 'include',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ password }),
      });
      const d = await r.json();
      if (r.ok) {
        dialog.close();
        if (pendingAction === 'account') {
          window.location.href = '/';
        } else {
          window.location.reload();
        }
      } else {
        confirmErr.textContent = d.detail ?? 'Failed';
        confirmErr.classList.remove('hidden');
        confirmOk.disabled = false;
        confirmOk.textContent = 'Confirm';
      }
    } catch {
      confirmErr.textContent = 'Could not reach server';
      confirmErr.classList.remove('hidden');
      confirmOk.disabled = false;
      confirmOk.textContent = 'Confirm';
    }
  });

  document.getElementById('del-activities-btn')?.addEventListener('click', () => openConfirm('activities'));
  document.getElementById('del-account-btn')?.addEventListener('click',    () => openConfirm('account'));

  // ── Navigation prefs ─────────────────────────────────────────────────────────

  const NAV_PREF_KEYS: Record<string, string> = {
    'nav-hide-feed':      'nav_hide_feed',
    'nav-hide-community': 'nav_hide_community',
    'nav-hide-about':     'nav_hide_about',
  };

  async function loadNavPrefs() {
    try {
      const r = await fetch('/api/me/prefs', { credentials: 'include' });
      if (!r.ok) return;
      const prefs = await r.json();
      for (const [elId, key] of Object.entries(NAV_PREF_KEYS)) {
        const el = document.getElementById(elId) as HTMLInputElement | null;
        if (el) el.checked = prefs[key] === 'true';
      }
    } catch {}
  }

  async function saveNavPref(key: string, value: boolean) {
    const statusEl = document.getElementById('nav-prefs-status')!;
    try {
      const r = await fetch('/api/me/prefs', {
        method: 'PUT',
        credentials: 'include',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ [key]: String(value) }),
      });
      if (r.ok) {
        setStatus(statusEl, 'Saved.', true);
        setTimeout(() => statusEl.classList.add('hidden'), 2000);
      } else {
        const d = await r.json();
        setStatus(statusEl, d.detail ?? 'Failed', false);
      }
    } catch {
      setStatus(statusEl, 'Could not reach server', false);
    }
  }

  for (const [elId, key] of Object.entries(NAV_PREF_KEYS)) {
    document.getElementById(elId)?.addEventListener('change', (e) => {
      saveNavPref(key, (e.target as HTMLInputElement).checked);
    });
  }

  // ── Strava credentials ────────────────────────────────────────────────────────

  async function loadStravaCreds() {
    const desc = document.getElementById('strava-creds-desc')!;
    try {
      const r = await fetch('/api/me/strava-credentials', { credentials: 'include' });
      if (!r.ok) { desc.textContent = 'Not available.'; return; }
      const d = await r.json();
      if (d.has_user_creds) {
        desc.textContent = `Using your own credentials (Client ID: ${d.client_id}).`;
        (document.getElementById('strava-client-id') as HTMLInputElement).value = d.client_id ?? '';
      } else if (d.instance_configured) {
        desc.textContent = 'Using instance-level credentials. Enter your own below to override.';
      } else {
        desc.textContent = 'Strava is not configured on this instance. You can set your own API credentials below.';
      }
    } catch {
      desc.textContent = 'Could not load Strava settings.';
    }
  }

  document.getElementById('strava-creds-form')?.addEventListener('submit', async (e) => {
    e.preventDefault();
    const statusEl = document.getElementById('strava-creds-status')!;
    const clientId     = (document.getElementById('strava-client-id')     as HTMLInputElement).value.trim();
    const clientSecret = (document.getElementById('strava-client-secret') as HTMLInputElement).value.trim();
    if (!clientId) {
      setStatus(statusEl, 'Client ID is required.', false);
      return;
    }
    try {
      const body: Record<string, string> = { client_id: clientId };
      if (clientSecret) body.client_secret = clientSecret;
      const r = await fetch('/api/me/strava-credentials', {
        method: 'PUT',
        credentials: 'include',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(body),
      });
      const d = await r.json();
      if (r.ok) {
        setStatus(statusEl, 'Saved.', true);
        (document.getElementById('strava-client-secret') as HTMLInputElement).value = '';
        loadStravaCreds();
      } else {
        setStatus(statusEl, d.detail ?? 'Failed', false);
      }
    } catch {
      setStatus(statusEl, 'Could not reach server', false);
    }
  });

  document.getElementById('strava-creds-clear')?.addEventListener('click', async () => {
    const statusEl = document.getElementById('strava-creds-status')!;
    if (!confirm('Remove your custom Strava credentials and fall back to instance credentials?')) return;
    try {
      const r = await fetch('/api/me/strava-credentials', { method: 'DELETE', credentials: 'include' });
      if (r.ok) {
        setStatus(statusEl, 'Cleared — using instance credentials.', true);
        (document.getElementById('strava-client-id')     as HTMLInputElement).value = '';
        (document.getElementById('strava-client-secret') as HTMLInputElement).value = '';
        loadStravaCreds();
      } else {
        const d = await r.json();
        setStatus(statusEl, d.detail ?? 'Failed', false);
      }
    } catch {
      setStatus(statusEl, 'Could not reach server', false);
    }
  });

  // ── Init ─────────────────────────────────────────────────────────────────────

  loadMe();
  loadStorage();
  loadNavPrefs();
  loadStravaCreds();
</script>