From 4f43b1af923d3d8256e79b6dfdd6852eaa52b040 Mon Sep 17 00:00:00 2001
From: sreehari jayaraj <sreeharivijaya2003@gmail.com>
Date: Wed, 4 Oct 2023 15:02:36 +0530
Subject: [PATCH] fix: bg color formula

---
 .../nc-gui/components/general/UserIcon.vue    |  12 +-
 packages/nc-gui/utils/colorsUtils.ts          | 130 ++++++++++++++++--
 packages/nc-gui/windi.config.ts               |   2 +-
 3 files changed, 129 insertions(+), 15 deletions(-)

diff --git a/packages/nc-gui/components/general/UserIcon.vue b/packages/nc-gui/components/general/UserIcon.vue
index 355b3429ec..99db2c63e4 100644
--- a/packages/nc-gui/components/general/UserIcon.vue
+++ b/packages/nc-gui/components/general/UserIcon.vue
@@ -1,4 +1,6 @@
 <script lang="ts" setup>
+import { isColorDark, stringToColor } from '~/utils/colorsUtils'
+
 const props = withDefaults(
   defineProps<{
     size?: 'small' | 'medium' | 'base' | 'large' | 'xlarge'
@@ -15,10 +17,10 @@ const emailProp = toRef(props, 'email')
 const backgroundColor = computed(() => {
   // in comments we need to generate user icon from email
   if (emailProp.value.length) {
-    return stringToColour(emailProp.value)
+    return stringToColor(emailProp.value)
   }
 
-  return props.email ? stringToColour(props.email) : '#FFFFFF'
+  return props.email ? stringToColor(props.email) : '#FFFFFF'
 })
 
 const size = computed(() => props.size || 'medium')
@@ -44,13 +46,15 @@ const usernameInitials = computed(() => {
 
 <template>
   <div
-    class="flex nc-user-avatar"
+    class="flex nc-user-avatar font-bold"
     :class="{
       'min-w-4 min-h-4': size === 'small',
       'min-w-6 min-h-6': size === 'medium',
       'w-8 h-8 !text-md': size === 'base',
       'min-w-20 min-h-20 !text-3xl': size === 'large',
       'min-w-26 min-h-26 !text-4xl': size === 'xlarge',
+      'text-white': isColorDark(backgroundColor),
+      'text-black': !isColorDark(backgroundColor),
     }"
     :style="{ backgroundColor }"
   >
@@ -60,6 +64,6 @@ const usernameInitials = computed(() => {
 
 <style lang="scss" scoped>
 .nc-user-avatar {
-  @apply rounded-full text-xs flex items-center justify-center text-white uppercase;
+  @apply rounded-full text-xs flex items-center justify-center  uppercase;
 }
 </style>
diff --git a/packages/nc-gui/utils/colorsUtils.ts b/packages/nc-gui/utils/colorsUtils.ts
index 6d15d1117f..c992605501 100644
--- a/packages/nc-gui/utils/colorsUtils.ts
+++ b/packages/nc-gui/utils/colorsUtils.ts
@@ -111,17 +111,127 @@ export const baseThemeColors = [
   '#333333',
 ]
 
+const designSystem = {
+  light: [
+    '#EBF0FF',
+    '#D6E0FF',
+    '#ADC2FF',
+    '#85A3FF',
+    '#5C85FF',
+    '#3366FF',
+    '#2952CC',
+    '#1F3D99',
+    '#142966',
+    '#0A1433',
+    '#FCFCFC',
+    '#F9F9FA',
+    '#F4F4F5',
+    '#E7E7E9',
+    '#D5D5D9',
+    '#9AA2AF',
+    '#6A7184',
+    '#4A5268',
+    '#374151',
+    '#1F293A',
+    '#101015',
+    '#FFF2F1',
+    '#FFDBD9',
+    '#FFB7B2',
+    '#FF928C',
+    '#FF6E65',
+    '#FF4A3F',
+    '#E8463C',
+    '#CB3F36',
+    '#B23830',
+    '#7D2721',
+    '#FFEEFB',
+    '#FED8F4',
+    '#FEB0E8',
+    '#FD89DD',
+    '#FD61D1',
+    '#FC3AC6',
+    '#CA2E9E',
+    '#972377',
+    '#65174F',
+    '#320C28',
+    '#FFF5EF',
+    '#FEE6D6',
+    '#FDCDAD',
+    '#FCB483',
+    '#FB9B5A',
+    '#FA8231',
+    '#E1752C',
+    '#C86827',
+    '#964E1D',
+    '#4B270F',
+
+    '#F3ECFA',
+    '#E5D4F5',
+    '#CBA8EB',
+    '#B17DE1',
+    '#9751D7',
+    '#7D26CD',
+    '#641EA4',
+    '#4B177B',
+    '#320F52',
+    '#190829',
+
+    '#EDF9FF',
+    '#D7F2FF',
+    '#AFE5FF',
+    '#86D9FF',
+    '#5ECCFF',
+    '#36BFFF',
+    '#2B99CC',
+    '#207399',
+    '#164C66',
+    '#0B2633',
+    '#fffbf2',
+    '#fff0d1',
+    '#fee5b0',
+    '#fdd889',
+    '#fdcb61',
+    '#fcbe3a',
+    '#ca982e',
+    '#977223',
+    '#654c17',
+    '#32260c',
+  ],
+  dark: [],
+}
+
 // convert string into a unique color
-export const stringToColour = function (str: string) {
-  let i
+export const stringToColor = (input: string, colorArray = designSystem.light) => {
+  // Calculate a numeric hash value from the input string
   let hash = 0
-  for (i = 0; i < str?.length ?? 0; i++) {
-    hash = str.charCodeAt(i) + ((hash << 5) - hash)
-  }
-  let colour = '#'
-  for (i = 0; i < 3; i++) {
-    const value = (hash >> (i * 8)) & 0xff
-    colour += `00${value.toString(16)}`.substr(-2)
+  for (let i = 0; i < input.length; i++) {
+    hash = input.charCodeAt(i) + ((hash << 5) - hash)
   }
-  return colour
+
+  // Ensure the hash value is within the array length
+  const index = Math.abs(hash) % colorArray.length
+
+  // Return the selected color
+  return colorArray[index]
+}
+
+// Function to convert hex color to RGB
+function hexToRGBObject(hexColor: string) {
+  // Remove '#' if present in the hexColor
+  hexColor = hexColor.replace(/^#/, '')
+
+  // Split the hexColor into red, green, and blue components
+  const r = parseInt(hexColor.substring(0, 2), 16)
+  const g = parseInt(hexColor.substring(2, 4), 16)
+  const b = parseInt(hexColor.substring(4, 6), 16)
+
+  return { r, g, b }
+}
+
+export function isColorDark(hexColor: string) {
+  const rgbColor = hexToRGBObject(hexColor)
+
+  const luminance = 0.299 * rgbColor.r + 0.587 * rgbColor.g + 0.114 * rgbColor.b
+  // Choose a luminance threshold (e.g., 0.5) to determine darkness/lightness
+  return luminance < 128
 }
diff --git a/packages/nc-gui/windi.config.ts b/packages/nc-gui/windi.config.ts
index fa2c06150b..3374450e02 100644
--- a/packages/nc-gui/windi.config.ts
+++ b/packages/nc-gui/windi.config.ts
@@ -95,7 +95,7 @@ export default defineConfig({
           200: '#ADC2FF',
           300: '#85A3FF',
           400: '#5C85FF',
-          500: '#36F',
+          500: '#3366FF',
           600: '#2952CC',
           700: '#1F3D99',
           800: '#142966',