prop/assets/js/path_forecast_hook.ts

207 lines
7.1 KiB
TypeScript

import type { ViewHook } from "phoenix_live_view"
import {
FACTOR_META,
FACTOR_ORDER,
factorBar,
factorExplanation,
scoreTier
} from "./propagation_map_hook"
interface PathForecastDetail {
iso: string
score: number
factors: Record<string, number>
band_label: string
humidity_effect: string
unavailable?: boolean
}
interface PathForecastHook extends ViewHook {
tooltip: HTMLDivElement | null
cache: Map<string, PathForecastDetail>
pendingIso: string | null
hideTimer: ReturnType<typeof setTimeout> | null
enterHandler: (e: MouseEvent) => void
leaveHandler: (e: MouseEvent) => void
moveHandler: (e: MouseEvent) => void
showFor(this: PathForecastHook, target: SVGCircleElement, e: MouseEvent): void
hideSoon(this: PathForecastHook): void
cancelHide(this: PathForecastHook): void
position(this: PathForecastHook, e: MouseEvent): void
render(this: PathForecastHook, iso: string): void
}
function buildHTML(detail: PathForecastDetail): string {
if (detail.unavailable) {
return `
<div style="padding:10px 14px;font-size:12px;opacity:0.85;">
Factor breakdown unavailable for this hour
<div style="opacity:0.55;font-size:10px;margin-top:2px;">
(no analysis profile in lookback window)
</div>
</div>`
}
const tier = scoreTier(detail.score)
const time = new Date(detail.iso).toISOString().replace("T", " ").slice(0, 16) + " UTC"
let rows = ""
let explanations = ""
for (const key of FACTOR_ORDER) {
const meta = FACTOR_META[key]
const value = detail.factors[key]
if (value === undefined || value === null) continue
const pct = Math.round(meta.weight * 100)
rows += `<tr>
<td style="padding:1px 6px 1px 0;white-space:nowrap;font-size:11px;">${meta.label}</td>
<td style="padding:1px 4px;font-family:'Cascadia Code',monospace;font-size:11px;letter-spacing:-0.5px;">${factorBar(value)}</td>
<td style="padding:1px 4px;text-align:right;font-size:11px;font-weight:600;">${value}</td>
<td style="padding:1px 4px;font-size:10px;opacity:0.5;">(${pct}%)</td>
</tr>`
const expl = factorExplanation(key, value, { humidity_effect: detail.humidity_effect })
if (!expl) continue
const eTier = scoreTier(value)
explanations += `<div style="padding:2px 0;font-size:12px;display:flex;gap:6px;">
<span style="color:${eTier.color};flex-shrink:0;">\u25CF</span>
<span><strong>${meta.label}:</strong> ${expl}</span>
</div>`
}
return `
<div style="background:${tier.color};color:#000;padding:5px 10px;display:flex;justify-content:space-between;align-items:center;">
<strong style="font-size:14px;">${detail.score}/100</strong>
<span style="font-size:11px;font-weight:700;">${tier.label}</span>
</div>
<div style="padding:6px 10px;">
<div style="font-size:11px;opacity:0.7;margin-bottom:4px;">${detail.band_label} &middot; ${time}</div>
<table style="width:100%;border-collapse:collapse;border-top:1px solid rgba(255,255,255,0.15);padding-top:4px;">${rows}</table>
</div>
<div style="padding:6px 10px;border-top:1px solid rgba(255,255,255,0.15);">
<div style="font-size:10px;font-weight:700;opacity:0.5;margin-bottom:3px;text-transform:uppercase;letter-spacing:0.5px;">Analysis</div>
${explanations}
</div>`
}
function buildLoadingHTML(iso: string): string {
const time = new Date(iso).toISOString().replace("T", " ").slice(0, 16) + " UTC"
return `
<div style="padding:8px 12px;font-size:12px;display:flex;align-items:center;gap:8px;">
<span class="loading loading-spinner loading-xs"></span>
<span>Loading factors for ${time}\u2026</span>
</div>`
}
export const PathForecast: Partial<PathForecastHook> = {
mounted(this: PathForecastHook) {
this.cache = new Map()
this.pendingIso = null
this.hideTimer = null
const tooltip = document.createElement("div")
tooltip.style.cssText = [
"position:absolute",
"z-index:50",
"min-width:280px",
"max-width:340px",
"background:#1f2937",
"color:#f1f5f9",
"border:1px solid rgba(255,255,255,0.12)",
"border-radius:6px",
"box-shadow:0 4px 18px rgba(0,0,0,0.45)",
"pointer-events:none",
"display:none",
"transition:opacity 80ms"
].join(";")
document.body.appendChild(tooltip)
this.tooltip = tooltip
this.enterHandler = (e: MouseEvent) => {
const target = (e.target as Element)?.closest("circle[data-iso]") as SVGCircleElement | null
if (target) this.showFor(target, e)
}
this.leaveHandler = (e: MouseEvent) => {
const related = e.relatedTarget as Element | null
if (related && related.closest && related.closest("circle[data-iso]")) return
this.hideSoon()
}
this.moveHandler = (e: MouseEvent) => {
if (this.tooltip && this.tooltip.style.display !== "none") this.position(e)
}
this.el.addEventListener("mouseover", this.enterHandler)
this.el.addEventListener("mouseout", this.leaveHandler)
this.el.addEventListener("mousemove", this.moveHandler)
this.handleEvent("path_forecast_detail", (payload: PathForecastDetail) => {
this.cache.set(payload.iso, payload)
if (this.pendingIso === payload.iso) this.render(payload.iso)
})
},
destroyed(this: PathForecastHook) {
if (this.tooltip) this.tooltip.remove()
if (this.hideTimer) clearTimeout(this.hideTimer)
this.el.removeEventListener("mouseover", this.enterHandler)
this.el.removeEventListener("mouseout", this.leaveHandler)
this.el.removeEventListener("mousemove", this.moveHandler)
},
showFor(this: PathForecastHook, target: SVGCircleElement, e: MouseEvent) {
const iso = target.dataset.iso
if (!iso || !this.tooltip) return
this.cancelHide()
this.pendingIso = iso
this.tooltip.style.display = "block"
this.position(e)
const cached = this.cache.get(iso)
if (cached) {
this.tooltip.innerHTML = buildHTML(cached)
} else {
this.tooltip.innerHTML = buildLoadingHTML(iso)
this.pushEvent("path_forecast_detail", { iso })
}
},
render(this: PathForecastHook, iso: string) {
const cached = this.cache.get(iso)
if (cached && this.tooltip) this.tooltip.innerHTML = buildHTML(cached)
},
hideSoon(this: PathForecastHook) {
this.cancelHide()
this.hideTimer = setTimeout(() => {
if (this.tooltip) this.tooltip.style.display = "none"
this.pendingIso = null
}, 120)
},
cancelHide(this: PathForecastHook) {
if (this.hideTimer) {
clearTimeout(this.hideTimer)
this.hideTimer = null
}
},
position(this: PathForecastHook, e: MouseEvent) {
if (!this.tooltip) return
const pad = 14
const rect = this.tooltip.getBoundingClientRect()
const vw = window.innerWidth
const vh = window.innerHeight
let x = e.clientX + pad
let y = e.clientY + pad
if (x + rect.width > vw - 8) x = e.clientX - rect.width - pad
if (y + rect.height > vh - 8) y = e.clientY - rect.height - pad
if (x < 8) x = 8
if (y < 8) y = 8
this.tooltip.style.left = `${x + window.scrollX}px`
this.tooltip.style.top = `${y + window.scrollY}px`
}
}