From dd12d57552d6a526f197682089521dfc6cb93c5d Mon Sep 17 00:00:00 2001
From: Fabio Manganiello <info@fabiomanganiello.com>
Date: Sun, 1 May 2022 15:35:20 +0200
Subject: [PATCH] Added light UI entity component

---
 .../src/components/panels/Entities/Light.vue  | 212 ++++++++++++++++++
 .../src/components/panels/Light/color.js      |  17 ++
 2 files changed, 229 insertions(+)
 create mode 100644 platypush/backend/http/webapp/src/components/panels/Entities/Light.vue

diff --git a/platypush/backend/http/webapp/src/components/panels/Entities/Light.vue b/platypush/backend/http/webapp/src/components/panels/Entities/Light.vue
new file mode 100644
index 0000000000..9c7dc7b41d
--- /dev/null
+++ b/platypush/backend/http/webapp/src/components/panels/Entities/Light.vue
@@ -0,0 +1,212 @@
+<template>
+  <div class="entity light-container">
+    <div class="head" :class="{expanded: expanded}">
+      <div class="col-1 icon">
+        <EntityIcon :icon="icon" :loading="loading" :error="error" />
+      </div>
+
+      <div class="col-s-8 col-m-9 label">
+        <div class="name" v-text="value.name" />
+      </div>
+
+      <div class="col-s-3 col-m-2 buttons pull-right">
+        <button @click.stop="expanded = !expanded">
+          <i class="fas"
+            :class="{'fa-angle-up': expanded, 'fa-angle-down': !expanded}" />
+        </button>
+
+        <ToggleSwitch :value="value.on" @input="toggle"
+          @click.stop :disabled="loading || value.is_read_only" />
+      </div>
+    </div>
+
+    <div class="body" v-if="expanded" @click.stop="prevent">
+      <div class="row" v-if="cssColor">
+        <div class="icon">
+          <i class="fas fa-palette" />
+        </div>
+        <div class="input">
+          <input type="color" :value="cssColor" @change="setLight({color: $event.target.value})" />
+        </div>
+      </div>
+
+      <div class="row" v-if="value.brightness">
+        <div class="icon">
+          <i class="fas fa-sun" />
+        </div>
+        <div class="input">
+          <Slider :range="[value.brightness_min, value.brightness_max]"
+            :value="value.brightness" @input="setLight({brightness: $event.target.value})" />
+        </div>
+      </div>
+
+      <div class="row" v-if="value.saturation">
+        <div class="icon">
+          <i class="fas fa-droplet" />
+        </div>
+        <div class="input">
+          <Slider :range="[value.saturation_min, value.saturation_max]"
+            :value="value.saturation" @input="setLight({saturation: $event.target.value})" />
+        </div>
+      </div>
+
+      <div class="row" v-if="value.temperature">
+        <div class="icon">
+          <i class="fas fa-temperature-half" />
+        </div>
+        <div class="input">
+          <Slider :range="[value.temperature_min, value.temperature_max]"
+            :value="value.temperature" @input="setLight({temperature: $event.target.value})"/>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+import Slider from "@/components/elements/Slider"
+import ToggleSwitch from "@/components/elements/ToggleSwitch"
+import EntityMixin from "./EntityMixin"
+import EntityIcon from "./EntityIcon"
+import {ColorConverter} from "@/components/panels/Light/color";
+
+export default {
+  name: 'Light',
+  components: {ToggleSwitch, Slider, EntityIcon},
+  mixins: [EntityMixin],
+
+  data() {
+    return {
+      expanded: false,
+      colorConverter: null,
+    }
+  },
+
+  computed: {
+    rgbColor() {
+      if (
+        !this.colorConverter || this.value.hue == null ||
+        (this.value.x == null && this.value.y == null)
+      )
+        return
+      if (this.value.meta?.icon?.color)
+        return this.value.meta.icon.color
+
+      if (this.value.x && this.value.y)
+        return this.colorConverter.xyToRgb(
+          this.value.x,
+          this.value.y,
+          this.value.brightness
+        )
+
+      return this.colorConverter.hslToRgb(
+        this.value.hue,
+        this.value.saturation,
+        this.value.brightness
+      )
+    },
+
+    cssColor() {
+      const rgb = this.rgbColor
+      if (rgb)
+        return this.colorConverter.rgbToHex(rgb)
+      return null
+    },
+
+    icon() {
+      const icon = {...(this.value.meta?.icon || {})}
+      if (!icon.color && this.cssColor)
+        icon.color = this.cssColor
+      return icon
+    },
+  },
+
+  methods: {
+    prevent(event) {
+      event.stopPropagation()
+      return false
+    },
+
+    async toggle(event) {
+      event.stopPropagation()
+      this.$emit('loading', true)
+
+      try {
+        await this.request('entities.execute', {
+          id: this.value.id,
+          action: 'toggle',
+        })
+      } finally {
+        this.$emit('loading', false)
+      }
+    },
+
+    async setLight(attrs) {
+      if (attrs.color) {
+        const rgb = this.colorConverter.hexToRgb(attrs.color)
+        if (this.value.x != null && this.value.y != null) {
+          attrs.xy = this.colorConverter.rgbToXY(...rgb)
+          delete attrs.color
+        } else if (this.value.hue != null) {
+          [attrs.hue, attrs.saturation, attrs.brightness] = this.colorConverter.rgbToHsl(...rgb)
+          delete attrs.color
+        }
+      }
+
+      this.execute({
+        type: 'request',
+        action: this.value.plugin + '.set_lights',
+        args: {
+          lights: [this.value.external_id],
+          ...attrs,
+        }
+      })
+
+      this.$emit('input', attrs)
+    },
+  },
+
+  mounted() {
+    const ranges = {}
+    if (this.value.hue)
+      ranges.hue = [this.value.hue_min, this.value.hue_max]
+    if (this.value.saturation)
+      ranges.sat = [this.value.saturation_min, this.value.saturation_max]
+    if (this.value.brightness)
+      ranges.bri = [this.value.brightness_min, this.value.brightness_max]
+    if (this.value.temperature)
+      ranges.ct = [this.value.temperature_min, this.value.temperature_max]
+
+    this.colorConverter = new ColorConverter(ranges)
+  },
+}
+</script>
+
+<style lang="scss" scoped>
+@import "common";
+
+.light-container {
+  .body {
+    .row {
+      display: flex;
+
+      .icon {
+        width: 2em;
+        text-align: center;
+      }
+
+      .input {
+        width: calc(100% - 2em);
+
+        [type=color] {
+          width: 100%;
+        }
+
+        :deep(.slider) {
+          margin-top: 0.5em;
+        }
+      }
+    }
+  }
+}
+</style>
diff --git a/platypush/backend/http/webapp/src/components/panels/Light/color.js b/platypush/backend/http/webapp/src/components/panels/Light/color.js
index f74464346b..775df1b94a 100644
--- a/platypush/backend/http/webapp/src/components/panels/Light/color.js
+++ b/platypush/backend/http/webapp/src/components/panels/Light/color.js
@@ -211,4 +211,21 @@ export class ColorConverter {
         console.debug('Could not determine color space')
         console.debug(color)
     }
+
+    hexToRgb(hex) {
+        return [
+          hex.slice(1, 3),
+          hex.slice(3, 5),
+          hex.slice(5, 7),
+        ].map(_ => parseInt(_, 16))
+    }
+
+    rgbToHex(rgb) {
+      return '#' + rgb.map((x) => {
+          let hex = x.toString(16)
+          if (hex.length < 2)
+            hex = '0' + hex
+          return hex
+        }).join('')
+    }
 }