gioser

tawasuyu/brahman

Rust 334TOML 129Markdown 39JSON 174745 Definitions

⎇ a908d8420cc8f4e2b5c4386f1f784f0977de1747 crates/apps/gioser-web/src/lib.rs Rust · 699 lines · 25.1 KB History Who touched what raw

gioser-web: fix graph not appearing — use MutationObserver a908d8420 · Sergio ·

1//! Entrypoint WASM de la landing GioSer.
2//!
3//! Capas:
4//! - **Canvas WebGL**: chacana animada (gioser-canvas-web).
5//! - **Tips**: 4 botones DOM en los cardinales, posicionados cada frame.
6//! - **Deck** (vista-web): contenedor único con páginas swipeable estilo
7//!   Flutter `PageView`. Cada elemento del logo es una página dinámica.
8//! - **Taskbar**: barra abajo con home + brand "GioSer" + tabs activas +
9//!   copyleft/email a la derecha. Sincronizada por WASM.
10//!
11//! Acciones (todas pasan por `AppState`):
12//! - `open_or_switch`   — click en tip o abrir nueva pestaña.
13//! - `restore_from_tab` — click en cajita de la taskbar.
14//! - `minimize`         — botón ─ de la página o Escape.
15//! - `close`            — botón × de la página, remueve del taskbar.
16//! - `home`             — botón casa o brand, minimiza todo (mantiene tabs).
17//! - `on_swipe`         — callback de vista-web cuando el snap cambia.
18
19use std::cell::RefCell;
20use std::rc::Rc;
21
22use barra_web::{Task, TaskList};
23use gioser_canvas_web::{tips, Renderer};
24use fana_md_reader_web::Reader;
25use revista_web::Deck;
26use wasm_bindgen::prelude::*;
27use wasm_bindgen::JsCast;
28use web_sys::{
29    Document, Element, Event, HtmlCanvasElement, HtmlElement, KeyboardEvent, MouseEvent,
30    PointerEvent, Window,
31};
32
33const BUTTON_RADIUS_FACTOR: f32 = 1.32;
34const TASKBAR_HEIGHT_PX: f32 = 52.0;
35const BUTTON_HALF_W_PX: f32 = 90.0;
36const BUTTON_HALF_H_PX: f32 = 64.0;
37const VIEWPORT_MARGIN_PX: f32 = 14.0;
38const ELEMENTS: [&str; 4] = ["aire", "fuego", "tierra", "agua"];
39
40#[derive(Default)]
41struct DeckState {
42    /// Pestañas abiertas en orden de apertura. Coincide con páginas en el strip.
43    pages: Vec<String>,
44    /// Cuál es la página visible. `None` = deck minimizado (pestañas siguen
45    /// en la taskbar) o sin pestañas.
46    active: Option<String>,
47}
48
49struct AppState {
50    document: Document,
51    deck: Deck,
52    taskbar: TaskList,
53    state: RefCell<DeckState>,
54}
55
56impl AppState {
57    fn open_or_switch(&self, element: &str, origin_x: f64, origin_y: f64, md_url: &str) {
58        let was_visible = self.state.borrow().active.is_some();
59        let was_in_pages = self.state.borrow().pages.iter().any(|e| e == element);
60        if !was_in_pages {
61            self.ensure_page_dom(element);
62            self.state.borrow_mut().pages.push(element.to_string());
63        }
64        self.state.borrow_mut().active = Some(element.to_string());
65        let idx = self
66            .state
67            .borrow()
68            .pages
69            .iter()
70            .position(|e| e == element)
71            .unwrap_or(0);
72        if was_visible {
73            self.deck.goto(idx, true);
74        } else {
75            self.deck.goto(idx, false);
76            self.show_deck(origin_x, origin_y);
77        }
78        self.sync_active_class();
79        self.sync_taskbar();
80        self.load_md_if_empty(element, md_url);
81    }
82
83    fn restore_from_tab(&self, element: &str, origin_x: f64, origin_y: f64) {
84        let idx_opt = self
85            .state
86            .borrow()
87            .pages
88            .iter()
89            .position(|e| e == element);
90        let Some(idx) = idx_opt else { return };
91        let was_visible = self.state.borrow().active.is_some();
92        self.state.borrow_mut().active = Some(element.to_string());
93        if was_visible {
94            self.deck.goto(idx, true);
95        } else {
96            self.deck.goto(idx, false);
97            self.show_deck(origin_x, origin_y);
98        }
99        self.sync_active_class();
100        self.sync_taskbar();
101    }
102
103    fn minimize(&self, origin_x: f64, origin_y: f64) {
104        self.state.borrow_mut().active = None;
105        self.sync_active_class();
106        self.sync_taskbar();
107        self.hide_deck(origin_x, origin_y);
108    }
109
110    fn close(&self, element: &str, origin_x: f64, origin_y: f64) {
111        let was_active = self.state.borrow().active.as_deref() == Some(element);
112        self.state.borrow_mut().pages.retain(|e| e != element);
113        self.remove_page_dom(element);
114        if was_active {
115            let pages_now: Vec<String> = self.state.borrow().pages.clone();
116            let new_active = pages_now.last().cloned();
117            self.state.borrow_mut().active = new_active.clone();
118            if let Some(new_active) = new_active {
119                let idx = pages_now
120                    .iter()
121                    .position(|e| e == &new_active)
122                    .unwrap_or(0);
123                self.deck.goto(idx, true);
124            } else {
125                self.hide_deck(origin_x, origin_y);
126            }
127        }
128        self.sync_active_class();
129        self.sync_taskbar();
130    }
131
132    fn home(&self) {
133        // Minimiza el deck sin cerrar las pestañas (estilo "show desktop").
134        let (ox, oy) = self
135            .element_center(".taskbar-home")
136            .unwrap_or((24.0, self.viewport_height() - 26.0));
137        self.minimize(ox, oy);
138    }
139
140    fn on_swipe(&self, new_index: usize) {
141        let element = self.state.borrow().pages.get(new_index).cloned();
142        if let Some(element) = element {
143            self.state.borrow_mut().active = Some(element);
144            self.sync_active_class();
145            self.sync_taskbar();
146        }
147    }
148
149    fn show_deck(&self, x: f64, y: f64) {
150        self.set_deck_origin(x, y);
151        if let Some(deck) = self.deck_el() {
152            let _ = deck.class_list().add_1("open");
153            let _ = deck.set_attribute("aria-hidden", "false");
154        }
155        if let Some(body) = self.document.body() {
156            let _ = body.class_list().add_1("deck-visible");
157        }
158    }
159
160    fn hide_deck(&self, x: f64, y: f64) {
161        self.set_deck_origin(x, y);
162        if let Some(deck) = self.deck_el() {
163            let _ = deck.class_list().remove_1("open");
164            let _ = deck.set_attribute("aria-hidden", "true");
165        }
166        if let Some(body) = self.document.body() {
167            let _ = body.class_list().remove_1("deck-visible");
168        }
169    }
170
171    fn deck_el(&self) -> Option<HtmlElement> {
172        self.document
173            .get_element_by_id("deck")
174            .and_then(|e| e.dyn_into::<HtmlElement>().ok())
175    }
176
177    fn set_deck_origin(&self, x: f64, y: f64) {
178        if let Some(deck) = self.deck_el() {
179            let _ = deck.style().set_property("--origin-x", &format!("{:.1}px", x));
180            let _ = deck.style().set_property("--origin-y", &format!("{:.1}px", y));
181        }
182    }
183
184    fn sync_active_class(&self) {
185        if let Some(body) = self.document.body() {
186            let active = self.state.borrow().active.clone();
187            for &e in &ELEMENTS {
188                let cls = format!("deck-active-{}", e);
189                if active.as_deref() == Some(e) {
190                    let _ = body.class_list().add_1(&cls);
191                } else {
192                    let _ = body.class_list().remove_1(&cls);
193                }
194            }
195        }
196    }
197
198    fn sync_taskbar(&self) {
199        let s = self.state.borrow();
200        let tasks: Vec<Task> = s
201            .pages
202            .iter()
203            .map(|e| {
204                let mut t = Task::new(e.clone(), e.to_uppercase());
205                if s.active.as_deref() == Some(e.as_str()) {
206                    t = t.active();
207                }
208                t
209            })
210            .collect();
211        self.taskbar.set_tasks(&tasks);
212    }
213
214    fn ensure_page_dom(&self, element: &str) {
215        let sel = format!(".deck-page[data-element=\"{}\"]", element);
216        if self
217            .document
218            .query_selector(&sel)
219            .ok()
220            .flatten()
221            .is_some()
222        {
223            return;
224        }
225        let Some(strip) = self.document.get_element_by_id("deck-strip") else {
226            return;
227        };
228        let (title, tag) = match element {
229            "aire" => ("Software", "Tecnología · Open Source · IA"),
230            "fuego" => ("Quién Soy", "Bitácora · Crónica"),
231            "tierra" => ("Manifiesto", "Invariantes · Piedra de toque"),
232            "agua" => ("Mística", "Espiritualidad aplicada"),
233            _ => return,
234        };
235        let html = format!(
236            "<article class=\"deck-page\" data-element=\"{el}\" id=\"deck-page-{el}\">\
237                <div class=\"page-controls\">\
238                    <button class=\"page-control-btn page-minimize\" data-minimize=\"{el}\" type=\"button\" aria-label=\"Minimizar {title}\">\
239                        <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M5 19 H19\" stroke=\"currentColor\" stroke-width=\"2\" fill=\"none\" stroke-linecap=\"round\"/></svg>\
240                    </button>\
241                    <button class=\"page-control-btn page-close\" data-close-page=\"{el}\" type=\"button\" aria-label=\"Cerrar {title}\">×</button>\
242                </div>\
243                <div class=\"page-ambience\" aria-hidden=\"true\"></div>\
244                <header class=\"page-head\">\
245                    <span class=\"page-mark\">{el}</span>\
246                    <h2 class=\"page-title\">{title}</h2>\
247                    <span class=\"page-tag\">{tag}</span>\
248                </header>\
249                <section class=\"page-content\" id=\"page-{el}-content\"></section>\
250            </article>",
251            el = element, title = title, tag = tag
252        );
253        let _ = strip.insert_adjacent_html("beforeend", &html);
254    }
255
256    fn remove_page_dom(&self, element: &str) {
257        let id = format!("deck-page-{}", element);
258        if let Some(el) = self.document.get_element_by_id(&id) {
259            el.remove();
260        }
261    }
262
263    fn load_md_if_empty(&self, element: &str, md_url: &str) {
264        let content_id = format!("page-{}-content", element);
265        let Some(content_el) = self.document.get_element_by_id(&content_id) else {
266            return;
267        };
268        let Ok(content): Result<HtmlElement, _> = content_el.dyn_into() else {
269            return;
270        };
271        let inner = content.inner_html();
272        if inner.contains("pluma-doc") {
273            return; // ya hidratado
274        }
275        let document_clone = self.document.clone();
276        let element_owned = element.to_string();
277        let url_owned = md_url.to_string();
278        let reader = fana_md_reader_web::Reader::new(content.clone());
279        wasm_bindgen_futures::spawn_local(async move {
280            let content_clone = content.clone();
281            if let Err(e) = reader.open_url(&url_owned, &element_owned).await {
282                web_sys::console::warn_1(&e);
283            }
284            // Montar contenedor del grafo (Cytoscape.js) debajo del md
285            let graph_container_id = format!("graph-{}-container", element_owned);
286            if document_clone.get_element_by_id(&graph_container_id).is_some() {
287                return;
288            }
289            let wrapper: HtmlElement = document_clone
290                .create_element("gioser-graph")
291                .ok()
292                .and_then(|e| e.dyn_into::<HtmlElement>().ok())
293                .unwrap_or_else(|| {
294                    // fallback: div normal
295                    let d: HtmlElement = document_clone
296                        .create_element("div")
297                        .ok()
298                        .and_then(|e| e.dyn_into().ok())
299                        .unwrap();
300                    d
301                });
302            wrapper.set_id(&graph_container_id);
303            wrapper.set_attribute("data-api-url", "https://api.gioser.net").ok();
304            wrapper.style().set_property("margin-top", "1.5rem").ok();
305            wrapper.style().set_property("padding-top", "1rem").ok();
306            wrapper.style().set_property("border-top", "1px solid rgba(255,255,255,0.06)").ok();
307            wrapper.style().set_property("min-height", "220px").ok();
308            content_clone.append_child(&wrapper).ok();
309            // El script cytoscape-graph.js usa MutationObserver
310            // para detectar <gioser-graph> dinámicos. No hace falta
311            // disparar nada acá.
312        });
313    }
314
315    fn element_center(&self, selector: &str) -> Option<(f64, f64)> {
316        let el = self.document.query_selector(selector).ok().flatten()?;
317        let rect = el.get_bounding_client_rect();
318        Some((
319            rect.left() + rect.width() / 2.0,
320            rect.top() + rect.height() / 2.0,
321        ))
322    }
323
324    fn taskbar_item_center(&self, element: &str) -> Option<(f64, f64)> {
325        self.taskbar.task_center(element)
326    }
327
328    fn viewport_height(&self) -> f64 {
329        web_sys::window()
330            .and_then(|w| w.inner_height().ok())
331            .and_then(|v| v.as_f64())
332            .unwrap_or(720.0)
333    }
334}
335
336#[wasm_bindgen(start)]
337pub fn boot() -> Result<(), JsValue> {
338    install_panic_hook();
339    let window = web_sys::window().ok_or_else(|| JsValue::from_str("no window"))?;
340    let document = window
341        .document()
342        .ok_or_else(|| JsValue::from_str("no document"))?;
343
344    let canvas: HtmlCanvasElement = document
345        .get_element_by_id("gioser-canvas")
346        .ok_or_else(|| JsValue::from_str("no canvas#gioser-canvas"))?
347        .dyn_into()?;
348
349    fit_canvas(&canvas, &window);
350    let renderer = Rc::new(RefCell::new(Renderer::new(&canvas)?));
351    {
352        let mut r = renderer.borrow_mut();
353        r.resize(canvas.width(), canvas.height());
354        r.set_client_size(
355            canvas.client_width() as f32,
356            canvas.client_height() as f32,
357        );
358    }
359
360    // Mount vista deck
361    let strip_el: HtmlElement = document
362        .get_element_by_id("deck-strip")
363        .ok_or_else(|| JsValue::from_str("no #deck-strip"))?
364        .dyn_into()?;
365    let deck = Deck::mount(strip_el)?;
366
367    // Mount barra-web taskbar (manages the dynamic task list).
368    let list_el: HtmlElement = document
369        .get_element_by_id("taskbar-list")
370        .ok_or_else(|| JsValue::from_str("no #taskbar-list"))?
371        .dyn_into()?;
372    let taskbar = TaskList::mount(list_el)?;
373
374    let app = Rc::new(AppState {
375        document: document.clone(),
376        deck: deck.clone(),
377        taskbar: taskbar.clone(),
378        state: RefCell::default(),
379    });
380
381    // vista on_change → on_swipe del app
382    {
383        let app2 = app.clone();
384        deck.on_change(move |idx| {
385            app2.on_swipe(idx);
386        });
387    }
388
389    // barra on_click → restore / toggle minimize del app
390    {
391        let app2 = app.clone();
392        taskbar.on_click(move |id, cx, cy| {
393            let is_active = app2.state.borrow().active.as_deref() == Some(id);
394            if is_active {
395                app2.minimize(cx, cy);
396            } else {
397                app2.restore_from_tab(id, cx, cy);
398            }
399        });
400    }
401
402    install_resize(&window, &canvas, &renderer)?;
403    install_mouse(&document, &canvas, &renderer)?;
404    install_canvas_pointer(&canvas, &renderer)?;
405    install_canvas_leave(&canvas, &renderer)?;
406    install_tip_clicks(&document, &app)?;
407    install_deck_delegation(&document, &app)?;
408    install_taskbar(&document, &app)?;
409    install_keyboard(&document, &app)?;
410    install_raf(&window, &document, &canvas, &renderer);
411
412    Ok(())
413}
414
415fn install_resize(
416    window: &Window,
417    canvas: &HtmlCanvasElement,
418    renderer: &Rc<RefCell<Renderer>>,
419) -> Result<(), JsValue> {
420    let canvas = canvas.clone();
421    let win2 = window.clone();
422    let r = renderer.clone();
423    let cb = Closure::<dyn FnMut()>::new(move || {
424        fit_canvas(&canvas, &win2);
425        let mut rr = r.borrow_mut();
426        rr.resize(canvas.width(), canvas.height());
427        rr.set_client_size(
428            canvas.client_width() as f32,
429            canvas.client_height() as f32,
430        );
431    });
432    window.add_event_listener_with_callback("resize", cb.as_ref().unchecked_ref())?;
433    cb.forget();
434    Ok(())
435}
436
437fn install_mouse(
438    document: &Document,
439    canvas: &HtmlCanvasElement,
440    renderer: &Rc<RefCell<Renderer>>,
441) -> Result<(), JsValue> {
442    let canvas = canvas.clone();
443    let r = renderer.clone();
444    let cb = Closure::<dyn FnMut(MouseEvent)>::new(move |e: MouseEvent| {
445        let w = canvas.client_width().max(1) as f32;
446        let h = canvas.client_height().max(1) as f32;
447        let x = e.client_x() as f32 - w * 0.5;
448        let y = h * 0.5 - e.client_y() as f32;
449        r.borrow_mut().set_mouse_px(x, y);
450    });
451    document.add_event_listener_with_callback("mousemove", cb.as_ref().unchecked_ref())?;
452    cb.forget();
453    Ok(())
454}
455
456fn install_canvas_pointer(
457    canvas: &HtmlCanvasElement,
458    renderer: &Rc<RefCell<Renderer>>,
459) -> Result<(), JsValue> {
460    let canvas2 = canvas.clone();
461    let r = renderer.clone();
462    let cb = Closure::<dyn FnMut(PointerEvent)>::new(move |e: PointerEvent| {
463        let rect = canvas2.get_bounding_client_rect();
464        let dx = e.client_x() as f64 - (rect.left() + rect.width() / 2.0);
465        let dy = e.client_y() as f64 - (rect.top() + rect.height() / 2.0);
466        let dist2 = dx * dx + dy * dy;
467        let ring = {
468            let rb = r.borrow();
469            rb.click_radius_css_px() as f64
470        };
471        if dist2 <= ring * ring {
472            r.borrow_mut().impulse_click();
473        }
474    });
475    canvas.add_event_listener_with_callback("pointerdown", cb.as_ref().unchecked_ref())?;
476    cb.forget();
477    Ok(())
478}
479
480fn install_canvas_leave(
481    canvas: &HtmlCanvasElement,
482    renderer: &Rc<RefCell<Renderer>>,
483) -> Result<(), JsValue> {
484    let r = renderer.clone();
485    let cb = Closure::<dyn FnMut(Event)>::new(move |_e: Event| {
486        r.borrow_mut().release_tilt();
487    });
488    canvas.add_event_listener_with_callback("mouseleave", cb.as_ref().unchecked_ref())?;
489    cb.forget();
490    Ok(())
491}
492
493fn install_tip_clicks(document: &Document, app: &Rc<AppState>) -> Result<(), JsValue> {
494    let tips_nodes = document.query_selector_all(".tip[data-md]")?;
495    for i in 0..tips_nodes.length() {
496        let Some(node) = tips_nodes.item(i) else {
497            continue;
498        };
499        let Ok(el) = node.dyn_into::<HtmlElement>() else {
500            continue;
501        };
502        let id = el.id();
503        let element = id.strip_prefix("tip-").unwrap_or("").to_string();
504        let md_url = el.get_attribute("data-md").unwrap_or_default();
505        let app2 = app.clone();
506        let el_for_rect = el.clone();
507        let cb = Closure::<dyn FnMut(Event)>::new(move |e: Event| {
508            e.prevent_default();
509            let rect = el_for_rect.get_bounding_client_rect();
510            let cx = rect.left() + rect.width() / 2.0;
511            let cy = rect.top() + rect.height() / 2.0;
512            app2.open_or_switch(&element, cx, cy, &md_url);
513        });
514        el.add_event_listener_with_callback("click", cb.as_ref().unchecked_ref())?;
515        cb.forget();
516    }
517    Ok(())
518}
519
520/// Un listener en el deck delega clicks de minimize y close en cada página.
521/// Las páginas se crean dinámicamente, así que no podemos adjuntar listeners
522/// por botón en boot.
523fn install_deck_delegation(document: &Document, app: &Rc<AppState>) -> Result<(), JsValue> {
524    let Some(deck_el) = document.get_element_by_id("deck") else {
525        return Ok(());
526    };
527    let app2 = app.clone();
528    let cb = Closure::<dyn FnMut(MouseEvent)>::new(move |e: MouseEvent| {
529        let Some(target) = e.target() else { return };
530        let Ok(target_el): Result<Element, _> = target.dyn_into() else {
531            return;
532        };
533        // Minimize
534        if let Ok(Some(btn)) = target_el.closest("[data-minimize]") {
535            e.stop_propagation();
536            let element = btn.get_attribute("data-minimize").unwrap_or_default();
537            // Origin = la cajita correspondiente en la taskbar (efecto
538            // visual: la página se "encoge" hacia su entrada del taskbar).
539            let origin = app2
540                .taskbar_item_center(&element)
541                .unwrap_or_else(|| center_of_element(&btn));
542            app2.minimize(origin.0, origin.1);
543            return;
544        }
545        // Close
546        if let Ok(Some(btn)) = target_el.closest("[data-close-page]") {
547            e.stop_propagation();
548            let element = btn.get_attribute("data-close-page").unwrap_or_default();
549            let origin = app2
550                .taskbar_item_center(&element)
551                .unwrap_or_else(|| center_of_element(&btn));
552            app2.close(&element, origin.0, origin.1);
553        }
554    });
555    deck_el.add_event_listener_with_callback("click", cb.as_ref().unchecked_ref())?;
556    cb.forget();
557    Ok(())
558}
559
560fn center_of_element(el: &Element) -> (f64, f64) {
561    let rect = el.get_bounding_client_rect();
562    (
563        rect.left() + rect.width() / 2.0,
564        rect.top() + rect.height() / 2.0,
565    )
566}
567
568/// Home button + brand link (data-home) — toda la lógica de tabs vive en
569/// barra-web::TaskList. Acá sólo se instalan los handlers para [data-home].
570fn install_taskbar(document: &Document, app: &Rc<AppState>) -> Result<(), JsValue> {
571    let homes = document.query_selector_all("[data-home]")?;
572    for i in 0..homes.length() {
573        let Some(node) = homes.item(i) else { continue };
574        let Ok(el) = node.dyn_into::<HtmlElement>() else {
575            continue;
576        };
577        let app2 = app.clone();
578        let cb = Closure::<dyn FnMut(Event)>::new(move |e: Event| {
579            e.prevent_default();
580            app2.home();
581        });
582        el.add_event_listener_with_callback("click", cb.as_ref().unchecked_ref())?;
583        cb.forget();
584    }
585    Ok(())
586}
587
588fn install_keyboard(document: &Document, app: &Rc<AppState>) -> Result<(), JsValue> {
589    let app2 = app.clone();
590    let cb = Closure::<dyn FnMut(KeyboardEvent)>::new(move |e: KeyboardEvent| {
591        if e.key() == "Escape" {
592            if app2.state.borrow().active.is_some() {
593                app2.home();
594            }
595        }
596    });
597    document.add_event_listener_with_callback("keydown", cb.as_ref().unchecked_ref())?;
598    cb.forget();
599    Ok(())
600}
601
602fn install_raf(
603    window: &Window,
604    document: &Document,
605    canvas: &HtmlCanvasElement,
606    renderer: &Rc<RefCell<Renderer>>,
607) {
608    let f = Rc::new(RefCell::new(None::<Closure<dyn FnMut(f64)>>));
609    let g = f.clone();
610    let renderer = renderer.clone();
611    let canvas = canvas.clone();
612    let document = document.clone();
613    let window2 = window.clone();
614    *g.borrow_mut() = Some(Closure::<dyn FnMut(f64)>::new(move |time_ms: f64| {
615        renderer.borrow_mut().render(time_ms);
616        let r = renderer.borrow();
617        position_tips(&document, &canvas, &r);
618        drop(r);
619        if let Some(cb) = f.borrow().as_ref() {
620            let _ = window2.request_animation_frame(cb.as_ref().unchecked_ref());
621        }
622    }));
623    let _ = window.request_animation_frame(g.borrow().as_ref().unwrap().as_ref().unchecked_ref());
624}
625
626fn fit_canvas(canvas: &HtmlCanvasElement, window: &Window) {
627    let dpr = window.device_pixel_ratio() as f32;
628    let w = window
629        .inner_width()
630        .ok()
631        .and_then(|v| v.as_f64())
632        .unwrap_or(1280.0) as f32;
633    let h = window
634        .inner_height()
635        .ok()
636        .and_then(|v| v.as_f64())
637        .unwrap_or(720.0) as f32;
638    canvas.set_width((w * dpr) as u32);
639    canvas.set_height((h * dpr) as u32);
640    let el: &HtmlElement = canvas.unchecked_ref();
641    let style = el.style();
642    let _ = style.set_property("width", &format!("{}px", w));
643    let _ = style.set_property("height", &format!("{}px", h));
644}
645
646fn position_tips(document: &Document, canvas: &HtmlCanvasElement, renderer: &Renderer) {
647    let clips = renderer.cardinal_positions_ndc(BUTTON_RADIUS_FACTOR);
648    let cw = canvas.client_width().max(1) as f32;
649    let ch = canvas.client_height().max(1) as f32;
650    let min_x = VIEWPORT_MARGIN_PX + BUTTON_HALF_W_PX;
651    let max_x = (cw - VIEWPORT_MARGIN_PX - BUTTON_HALF_W_PX).max(min_x);
652    let min_y = VIEWPORT_MARGIN_PX + BUTTON_HALF_H_PX;
653    let max_y = (ch - TASKBAR_HEIGHT_PX - VIEWPORT_MARGIN_PX - BUTTON_HALF_H_PX).max(min_y);
654    for (i, (id, _color, _label)) in tips::ORDER.iter().enumerate() {
655        let (nx, ny) = clips[i];
656        let raw_x = (nx + 1.0) * 0.5 * cw;
657        let raw_y = (1.0 - (ny + 1.0) * 0.5) * ch;
658        let px = raw_x.clamp(min_x, max_x);
659        let py = raw_y.clamp(min_y, max_y);
660        let sel = format!("tip-{}", id);
661        if let Some(el) = document.get_element_by_id(&sel) {
662            if let Ok(el) = el.dyn_into::<HtmlElement>() {
663                let _ = el.style().set_property(
664                    "transform",
665                    &format!("translate({:.2}px, {:.2}px) translate(-50%, -50%)", px, py),
666                );
667            }
668        }
669    }
670}
671
672/// Mapea un doc_id de Qdrant al nombre del elemento (aire/fuego/tierra/agua)
673/// y su ruta md. Los doc_ids se generan con uuid5 en el indexador, pero
674/// podemos inferir por el nombre del camino o del elemento.
675fn map_doc_id_to_element(doc_id: &str) -> (String, String) {
676    // Inferir del doc_id: contiene el nombre del elemento
677    let el = if doc_id.contains("aire") || doc_id.contains("logos") {
678        "aire"
679    } else if doc_id.contains("fuego") || doc_id.contains("nomos") {
680        "fuego"
681    } else if doc_id.contains("tierra") || doc_id.contains("kay") {
682        "tierra"
683    } else if doc_id.contains("agua") || doc_id.contains("uku") {
684        "agua"
685    } else {
686        "aire"
687    };
688    (el.to_string(), format!("./md/{}.md", el))
689}
690
691fn install_panic_hook() {
692    static SET: std::sync::Once = std::sync::Once::new();
693    SET.call_once(|| {
694        std::panic::set_hook(Box::new(|info| {
695            let msg = format!("{}", info);
696            web_sys::console::error_1(&JsValue::from_str(&msg));
697        }));
698    });
699}