#683 quick search on mobile (#749)

Co-authored-by: lethemanh <lethemanh@lethemanhs-MacBook-Pro.local>

src/components/Calendar/utils/tempSearchUtil.ts

@@ -0,0 +1,58 @@
+import { User } from '@/components/Attendees/types'
+import { Calendar } from '@/features/Calendars/CalendarTypes'
+import { defaultColors } from '@/utils/defaultColors'
+
+export interface SearchState {
+  query?: string
+  options?: User[]
+  loading?: boolean
+}
+
+export function buildEmailToCalendarMap(
+  calRecord: Record<string, Calendar>
+): Map<string, string[]> {
+  const map = new Map<string, string[]>()
+  for (const [id, cal] of Object.entries(calRecord)) {
+    cal.owner?.emails?.forEach(email => {
+      const existing = map.get(email)
+      if (existing) {
+        existing.push(id)
+      } else {
+        map.set(email, [id])
+      }
+    })
+  }
+  return map
+}
+
+function shiftLightness(hex: string, amount: number): string {
+  const r = parseInt(hex.slice(1, 3), 16)
+  const g = parseInt(hex.slice(3, 5), 16)
+  const b = parseInt(hex.slice(5, 7), 16)
+
+  const clamp = (v: number): number => Math.max(0, Math.min(255, v))
+  const toHex = (v: number): string =>
+    clamp(v + amount)
+      .toString(16)
+      .padStart(2, '0')
+
+  return `#${toHex(r)}${toHex(g)}${toHex(b)}`
+}
+
+export function generateDistinctColor(usedLights: string[]): {
+  light: string
+  dark: string
+} {
+  for (const color of defaultColors) {
+    if (!usedLights.includes(color.light)) return color
+  }
+
+  const cycle = usedLights.length % defaultColors.length
+  const round = Math.floor(usedLights.length / defaultColors.length)
+  const base = defaultColors[cycle]
+
+  return {
+    light: shiftLightness(base.light, round * 12),
+    dark: shiftLightness(base.dark, -(round * 10))
+  }
+}