3.2.1.0

Tweaked and updated the day tab background shades depending on cloud & rain. Give comfortable special treatment to avoid the green as it just looks weird.

assets/js/compute.js

@@ -16,7 +16,7 @@ import {
   calcIndoorTempPass, calcManagedIndoorTempPass, calcShadeAirTemp,
 } from './physics.js';
 import { windCompass8, uvSplit, cloudCategory, precipPenalty, sunburnMinutes, burnLabel } from './utils.js';
-import { UTCI_ENVIRONMENTS } from './config.js';
+import { UTCI_ENVIRONMENTS, CROP_CALENDAR } from './config.js';
 
 export function buildHourlyRows({ forecast, airQuality, location, vehicleType, vehicleVent, vehicleSpeed, buildingType, utciEnv }) {
   const env = UTCI_ENVIRONMENTS[utciEnv] ?? UTCI_ENVIRONMENTS.open;
@@ -380,7 +380,7 @@ export function computeWhyFeelsLike(row, env) {
 //    variant    - active sub-variant key e.g. "running", "beach" (or null)
 //    skinType   - Fitzpatrick skin type key for UV burn time
 // ------------------------------------------------------------------------
-export function computeGlanceSummary(todayRows, profile, variant, skinType, cols = null, vehicleSpeed = 'static') {
+export function computeGlanceSummary(todayRows, profile, variant, skinType, cols = null, vehicleSpeed = 'static', weekDays = null, lat = null) {
   if (!todayRows || todayRows.length === 0) return [];
   const show = (key) => !cols || !!cols[key];
 
@@ -546,6 +546,7 @@ export function computeGlanceSummary(todayRows, profile, variant, skinType, cols
         value: moistureLabel(soilM) ?? '-',
         alert: soilM != null && (soilM < 0.10 || soilM > 0.50),
       }] : []),
+      ...(weekDays ? computeCropAdvice(weekDays, lat) : []),
       ...(show('pollen') && maxPollen >= 10 ? [{
         icon: '🌿',
         label: 'Grass pollen',
@@ -722,4 +723,102 @@ export function computeGlanceSummary(todayRows, profile, variant, skinType, cols
       alert: maxPollen >= 50,
     }] : []),
   ];
+}
+
+// ------------------------------------------------------------------------
+//  computeCropAdvice(weekDays, lat) - Seasonal "Good to sow / harvest"
+//  advice for the Farming "At a glance" panel.
+//
+//  Blends the current calendar month (which crops are in their sow/harvest
+//  window) with the upcoming week's weather (is the seedbed warm and
+//  workable, is there a dry spell to bring grain in?). Returns 0-2
+//  glance-style { icon, label, value, alert } items, appended after the
+//  standard farming insights.
+//
+//  Parameters:
+//    weekDays - the `days` array: [{ key: 'YYYY-MM-DD', rows: [...] }, ...]
+//    lat      - forecast latitude; < 0 flips the UK calendar by +6 months
+// ------------------------------------------------------------------------
+export function computeCropAdvice(weekDays, lat) {
+  if (!weekDays || weekDays.length === 0) return [];
+  const days = weekDays.slice(0, 7).filter(d => d && d.rows && d.rows.length);
+  if (days.length === 0) return [];
+
+  // "Now" - the month of the first available day (1-12).
+  const month = parseInt((days[0].key || '').slice(5, 7), 10);
+  if (!month) return [];
+
+  // Southern hemisphere: shift the stored UK months by +6 before testing.
+  const south = lat != null && lat < 0;
+  const inSeason = (months) => {
+    const shifted = south ? months.map(m => ((m + 5) % 12) + 1) : months;
+    return shifted.includes(month);
+  };
+
+  // Warmth the seedbed actually reaches this week: the highest of each day's
+  // peak surface soil temperature.
+  let weekSoilT = null;
+  for (const d of days) {
+    const peak = Math.max(-Infinity, ...d.rows.map(r => r.soilT0 ?? -Infinity));
+    if (peak > -Infinity && (weekSoilT == null || peak > weekSoilT)) weekSoilT = peak;
+  }
+
+  // Latest known soil moisture - saturated ground (>=45%) is unworkable.
+  let soilM = null;
+  for (const d of days) {
+    for (const r of d.rows) if (r.soilM != null) soilM = r.soilM;
+  }
+  const groundWet = soilM != null && soilM >= 0.45;
+
+  // Dry days this week: under 2 mm total rain and rain chance staying < 40%.
+  const dryNames = [];
+  for (const d of days) {
+    const totalRain = d.rows.reduce((s, r) => s + (r.precip ?? 0), 0);
+    const maxProb   = Math.max(0, ...d.rows.map(r => r.precipProb ?? 0));
+    if (totalRain < 2 && maxProb < 40) {
+      const dt = new Date((d.key || '') + 'T00:00Z');
+      dryNames.push(dt.toLocaleDateString('en-GB', { weekday: 'short', timeZone: 'UTC' }));
+    }
+  }
+  const hasDrySpell = dryNames.length > 0;
+
+  // Full crop-name list for the glance row.
+  const listCrops = (crops) => crops.map(c => c.label).join(', ');
+  const dryRange = () => dryNames.length === 1
+    ? `dry ${dryNames[0]}`
+    : `dry ${dryNames[0]}–${dryNames[dryNames.length - 1]}`;
+
+  const out = [];
+
+  // ── Good to sow ──────────────────────────────────────────────────────────
+  const sowSeason = CROP_CALENDAR.filter(c => inSeason(c.sow.months));
+  if (sowSeason.length) {
+    const ready = sowSeason.filter(c =>
+      weekSoilT != null && weekSoilT >= c.sow.minSoilT && !groundWet);
+    out.push(ready.length ? {
+      icon: '🌱', label: 'Good to sow', value: listCrops(ready), alert: false,
+    } : {
+      icon: '🌱', label: 'Good to sow',
+      value: groundWet ? 'Hold off — ground too wet' : 'Hold off — soil still cold',
+      alert: true,
+    });
+  }
+
+  // ── Good to harvest ──────────────────────────────────────────────────────
+  const harvestSeason = CROP_CALENDAR.filter(c => inSeason(c.harvest.months));
+  if (harvestSeason.length) {
+    // Grain/rape/onions need a dry spell; everything else can be lifted in window.
+    const ready = harvestSeason.filter(c => !c.harvest.dry || hasDrySpell);
+    const dryDriven = hasDrySpell && ready.some(c => c.harvest.dry);
+    out.push(ready.length ? {
+      icon: '🌾', label: 'Good to harvest',
+      value: dryDriven ? `${listCrops(ready)} (${dryRange()})` : listCrops(ready),
+      alert: false,
+    } : {
+      icon: '🌾', label: 'Good to harvest',
+      value: 'Hold — too wet to harvest grain', alert: true,
+    });
+  }
+
+  return out;
 }