From 8cdf04da2c5142089ba0aa69fc5cd48390c8761b Mon Sep 17 00:00:00 2001
From: Pavel Prichodko <14926950+prichodko@users.noreply.github.com>
Date: Mon, 13 Jun 2022 16:18:06 +0200
Subject: [PATCH] add support for identicon ring to avatar

---
 .../status-react/src/system/avatar/avatar.tsx | 66 +++++++++----------
 .../status-react/src/system/avatar/styles.tsx | 16 ++++-
 .../status-react/src/system/avatar/utils.tsx  | 60 +++++++++++++++++
 3 files changed, 107 insertions(+), 35 deletions(-)
 create mode 100644 packages/status-react/src/system/avatar/utils.tsx

diff --git a/packages/status-react/src/system/avatar/avatar.tsx b/packages/status-react/src/system/avatar/avatar.tsx
index 9994235c..b1f6d6b6 100644
--- a/packages/status-react/src/system/avatar/avatar.tsx
+++ b/packages/status-react/src/system/avatar/avatar.tsx
@@ -1,7 +1,8 @@
-import React from 'react'
+import React, { useMemo } from 'react'
 
 import { Image } from '../image'
-import { Base, Indicator, Initials } from './styles'
+import { Base, Content, Indicator, Initials } from './styles'
+import { generateIdenticonRing } from './utils'
 
 import type { Variants } from './styles'
 
@@ -11,46 +12,43 @@ interface Props {
   indicator?: 'online' | 'offline'
   src?: string
   color?: string
+  colorHash?: number[][]
 }
 
 const Avatar = (props: Props) => {
-  const { size, name, src, color, indicator } = props
+  const { size, name, src, color, indicator, colorHash } = props
 
-  // const identicon = useMemo(() => {
-  //   const colors = colorWheel
-  //     .map((color, idx) => {
-  //       const prevDeg = idx === 0 ? '0deg' : `${colorWheel[idx - 1][1]}deg`
-  //       return `${color[0]} ${prevDeg} ${color[1]}deg`
-  //     })
-  //     .join(',')
-  //   return `conic-gradient(${colors})`
-  // }, [colorWheel])
-
-  // const intials = useMemo(() => {
-  //   if (contact && contact?.customName) {
-  //     return contact.customName.slice(0, 2)
-  //   }
-  //   if (contact && contact.trueName) {
-  //     return contact.trueName.slice(0, 2)
-  //   }
-  // }, [contact])
+  const identiconRing = useMemo(() => {
+    if (colorHash) {
+      const gradient = generateIdenticonRing(colorHash)
+      return `conic-gradient(${gradient})`
+    }
+  }, [colorHash])
 
   const initials = name ? name.slice(0, 1) : ''
 
   return (
-    <Base size={size} style={{ backgroundColor: color }}>
-      {initials && <Initials size={size}>{initials}</Initials>}
-      {src && (
-        <Image
-          src={src}
-          alt="avatar"
-          width="100%"
-          height="100%"
-          fit="cover"
-          radius="full"
-        />
-      )}
-      {indicator && <Indicator size={size} state={indicator} />}
+    <Base
+      size={size}
+      style={{
+        background: identiconRing,
+        padding: !identiconRing ? 0 : undefined,
+      }}
+    >
+      <Content style={{ background: color }}>
+        {initials && <Initials size={size}>{initials}</Initials>}
+        {src && (
+          <Image
+            src={src}
+            alt="avatar"
+            width="100%"
+            height="100%"
+            fit="cover"
+            radius="full"
+          />
+        )}
+        {indicator && <Indicator size={size} state={indicator} />}
+      </Content>
     </Base>
   )
 }
diff --git a/packages/status-react/src/system/avatar/styles.tsx b/packages/status-react/src/system/avatar/styles.tsx
index fd8d4ac2..3761a434 100644
--- a/packages/status-react/src/system/avatar/styles.tsx
+++ b/packages/status-react/src/system/avatar/styles.tsx
@@ -6,7 +6,6 @@ export type Variants = VariantProps<typeof Base>
 
 export const Base = styled('div', {
   position: 'relative',
-  background: '$primary-1',
   borderRadius: '100%',
   flexShrink: 0,
 
@@ -15,39 +14,54 @@ export const Base = styled('div', {
       20: {
         width: 20,
         height: 20,
+        padding: 1,
       },
       24: {
         width: 24,
         height: 24,
+        padding: 1,
       },
       32: {
         width: 32,
         height: 32,
+        padding: 2,
       },
       36: {
         width: 36,
         height: 36,
+        padding: 2,
       },
       44: {
         width: 44,
         height: 44,
+        padding: 2,
       },
       64: {
         width: 64,
         height: 64,
+        padding: 3,
       },
       80: {
         width: 80,
         height: 80,
+        padding: 4,
       },
       120: {
         width: 120,
         height: 120,
+        padding: 5,
       },
     },
   },
 })
 
+export const Content = styled('div', {
+  background: '$primary-1',
+  borderRadius: '100%',
+  width: '100%',
+  height: '100%',
+})
+
 export const Indicator = styled('span', {
   position: 'absolute',
   right: -2,
diff --git a/packages/status-react/src/system/avatar/utils.tsx b/packages/status-react/src/system/avatar/utils.tsx
new file mode 100644
index 00000000..61984fb7
--- /dev/null
+++ b/packages/status-react/src/system/avatar/utils.tsx
@@ -0,0 +1,60 @@
+/**
+ * returns value for conic-gradient
+ */
+export const generateIdenticonRing = (colorHash: number[][]) => {
+  const segments = colorHash.reduce((acc, segment) => (acc += segment[0]), 0)
+
+  let prevAngle = 0
+  const gradient = colorHash.reduce((acc, segment, index) => {
+    const [length, colorIndex] = segment
+    const color = COLORS[colorIndex]
+    const nextAngle = Math.round(prevAngle + (length * 360) / segments)
+
+    acc += `${color} ${prevAngle}deg ${nextAngle}deg`
+
+    if (index !== colorHash.length - 1) {
+      acc += `, `
+    }
+
+    prevAngle = nextAngle
+
+    return acc
+  }, '')
+
+  return gradient
+}
+
+const COLORS = [
+  '#000000',
+  '#726F6F',
+  '#C4C4C4',
+  '#E7E7E7',
+  '#FFFFFF',
+  '#00FF00',
+  '#009800',
+  '#B8FFBB',
+  '#FFC413',
+  '#9F5947',
+  '#FFFF00',
+  '#A8AC00',
+  '#FFFFB0',
+  '#FF5733',
+  '#FF0000',
+  '#9A0000',
+  '#FF9D9D',
+  '#FF0099',
+  '#C80078',
+  '#FF00FF',
+  '#900090',
+  '#FFB0FF',
+  '#9E00FF',
+  '#0000FF',
+  '#000086',
+  '#9B81FF',
+  '#3FAEF9',
+  '#9A6600',
+  '#00FFFF',
+  '#008694',
+  '#C2FFFF',
+  '#00F0B6',
+]