Add period selection to energy dashboard (#9756)

demo/src/stubs/history.ts

@@ -1,4 +1,4 @@
-import { addHours, differenceInHours } from "date-fns";
+import { addHours, differenceInHours, endOfDay } from "date-fns";
 import { HassEntity } from "home-assistant-js-websocket";
 import { StatisticValue } from "../../../src/data/history";
 import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
@@ -222,6 +222,7 @@ const statisticsFunctions: Record<
   "sensor.energy_production_tarif_2": (id, start, end) => {
     const productionStart = new Date(start.getTime() + 9 * 60 * 60 * 1000);
     const productionEnd = new Date(start.getTime() + 21 * 60 * 60 * 1000);
+    const dayEnd = new Date(endOfDay(productionEnd));
     const production = generateCurvedStatistics(
       id,
       productionStart,
@@ -237,15 +238,17 @@ const statisticsFunctions: Record<
     const evening = generateSumStatistics(
       id,
       productionEnd,
-      end,
+      dayEnd,
       productionFinalVal,
       0
     );
-    return [...morning, ...production, ...evening];
+    const rest = generateSumStatistics(id, dayEnd, end, productionFinalVal, 1);
+    return [...morning, ...production, ...evening, ...rest];
   },
   "sensor.solar_production": (id, start, end) => {
     const productionStart = new Date(start.getTime() + 7 * 60 * 60 * 1000);
     const productionEnd = new Date(start.getTime() + 23 * 60 * 60 * 1000);
+    const dayEnd = new Date(endOfDay(productionEnd));
     const production = generateCurvedStatistics(
       id,
       productionStart,
@@ -261,11 +264,12 @@ const statisticsFunctions: Record<
     const evening = generateSumStatistics(
       id,
       productionEnd,
-      end,
+      dayEnd,
       productionFinalVal,
       0
     );
-    return [...morning, ...production, ...evening];
+    const rest = generateSumStatistics(id, dayEnd, end, productionFinalVal, 2);
+    return [...morning, ...production, ...evening, ...rest];
   },
   "sensor.grid_fossil_fuel_percentage": (id, start, end) =>
     generateMeanStatistics(id, start, end, 35, 1.3),

package.json

@@ -17,7 +17,7 @@
     "lint": "yarn run lint:eslint && yarn run lint:prettier && yarn run lint:types",
     "format": "yarn run format:eslint && yarn run format:prettier",
     "mocha": "ts-mocha -p test-mocha/tsconfig.test.json \"test-mocha/**/*.ts\"",
-    "test": "yarn run lint && yarn run mocha"
+    "test": "yarn run mocha"
   },
   "author": "Paulus Schoutsen <Paulus@PaulusSchoutsen.nl> (http://paulusschoutsen.nl)",
   "license": "Apache-2.0",

src/common/datetime/format_date.ts

@@ -3,33 +3,11 @@ import memoizeOne from "memoize-one";
 import { FrontendLocaleData } from "../../data/translation";
 import { toLocaleDateStringSupportsOptions } from "./check_options_support";
 
-const formatDateMem = memoizeOne(
-  (locale: FrontendLocaleData) =>
-    new Intl.DateTimeFormat(locale.language, {
-      year: "numeric",
-      month: "long",
-      day: "numeric",
-    })
-);
-
-export const formatDate = toLocaleDateStringSupportsOptions
+// Tuesday, August 10
+export const formatDateWeekday = toLocaleDateStringSupportsOptions
   ? (dateObj: Date, locale: FrontendLocaleData) =>
-      formatDateMem(locale).format(dateObj)
-  : (dateObj: Date) => format(dateObj, "longDate");
-
-const formatDateShortMem = memoizeOne(
-  (locale: FrontendLocaleData) =>
-    new Intl.DateTimeFormat(locale.language, {
-      day: "numeric",
-      month: "short",
-    })
-);
-
-export const formatDateShort = toLocaleDateStringSupportsOptions
-  ? (dateObj: Date, locale: FrontendLocaleData) =>
-      formatDateShortMem(locale).format(dateObj)
-  : (dateObj: Date) => format(dateObj, "shortDate");
-
+      formatDateWeekdayMem(locale).format(dateObj)
+  : (dateObj: Date) => format(dateObj, "dddd, MMMM D");
 const formatDateWeekdayMem = memoizeOne(
   (locale: FrontendLocaleData) =>
     new Intl.DateTimeFormat(locale.language, {
@@ -39,7 +17,80 @@ const formatDateWeekdayMem = memoizeOne(
     })
 );
 
-export const formatDateWeekday = toLocaleDateStringSupportsOptions
+// August 10, 2021
+export const formatDate = toLocaleDateStringSupportsOptions
   ? (dateObj: Date, locale: FrontendLocaleData) =>
-      formatDateWeekdayMem(locale).format(dateObj)
-  : (dateObj: Date) => format(dateObj, "dddd, MMM D");
+      formatDateMem(locale).format(dateObj)
+  : (dateObj: Date) => format(dateObj, "MMMM D, YYYY");
+const formatDateMem = memoizeOne(
+  (locale: FrontendLocaleData) =>
+    new Intl.DateTimeFormat(locale.language, {
+      year: "numeric",
+      month: "long",
+      day: "numeric",
+    })
+);
+
+// 10/08/2021
+export const formatDateNumeric = toLocaleDateStringSupportsOptions
+  ? (dateObj: Date, locale: FrontendLocaleData) =>
+      formatDateNumericMem(locale).format(dateObj)
+  : (dateObj: Date) => format(dateObj, "M/D/YYYY");
+const formatDateNumericMem = memoizeOne(
+  (locale: FrontendLocaleData) =>
+    new Intl.DateTimeFormat(locale.language, {
+      year: "numeric",
+      month: "numeric",
+      day: "numeric",
+    })
+);
+
+// Aug 10
+export const formatDateShort = toLocaleDateStringSupportsOptions
+  ? (dateObj: Date, locale: FrontendLocaleData) =>
+      formatDateShortMem(locale).format(dateObj)
+  : (dateObj: Date) => format(dateObj, "MMM D");
+const formatDateShortMem = memoizeOne(
+  (locale: FrontendLocaleData) =>
+    new Intl.DateTimeFormat(locale.language, {
+      day: "numeric",
+      month: "short",
+    })
+);
+
+// August 2021
+export const formatDateMonthYear = toLocaleDateStringSupportsOptions
+  ? (dateObj: Date, locale: FrontendLocaleData) =>
+      formatDateMonthYearMem(locale).format(dateObj)
+  : (dateObj: Date) => format(dateObj, "MMMM YYYY");
+const formatDateMonthYearMem = memoizeOne(
+  (locale: FrontendLocaleData) =>
+    new Intl.DateTimeFormat(locale.language, {
+      month: "long",
+      year: "numeric",
+    })
+);
+
+// August
+export const formatDateMonth = toLocaleDateStringSupportsOptions
+  ? (dateObj: Date, locale: FrontendLocaleData) =>
+      formatDateMonthMem(locale).format(dateObj)
+  : (dateObj: Date) => format(dateObj, "MMMM");
+const formatDateMonthMem = memoizeOne(
+  (locale: FrontendLocaleData) =>
+    new Intl.DateTimeFormat(locale.language, {
+      month: "long",
+    })
+);
+
+// 2021
+export const formatDateYear = toLocaleDateStringSupportsOptions
+  ? (dateObj: Date, locale: FrontendLocaleData) =>
+      formatDateYearMem(locale).format(dateObj)
+  : (dateObj: Date) => format(dateObj, "YYYY");
+const formatDateYearMem = memoizeOne(
+  (locale: FrontendLocaleData) =>
+    new Intl.DateTimeFormat(locale.language, {
+      year: "numeric",
+    })
+);

src/common/datetime/format_date_time.ts

@@ -4,6 +4,12 @@ import { FrontendLocaleData } from "../../data/translation";
 import { toLocaleStringSupportsOptions } from "./check_options_support";
 import { useAmPm } from "./use_am_pm";
 
+// August 9, 2021, 8:23 AM
+export const formatDateTime = toLocaleStringSupportsOptions
+  ? (dateObj: Date, locale: FrontendLocaleData) =>
+      formatDateTimeMem(locale).format(dateObj)
+  : (dateObj: Date, locale: FrontendLocaleData) =>
+      format(dateObj, "MMMM D, YYYY, HH:mm" + useAmPm(locale) ? " A" : "");
 const formatDateTimeMem = memoizeOne(
   (locale: FrontendLocaleData) =>
     new Intl.DateTimeFormat(locale.language, {
@@ -16,12 +22,12 @@ const formatDateTimeMem = memoizeOne(
     })
 );
 
-export const formatDateTime = toLocaleStringSupportsOptions
+// August 9, 2021, 8:23:15 AM
+export const formatDateTimeWithSeconds = toLocaleStringSupportsOptions
   ? (dateObj: Date, locale: FrontendLocaleData) =>
-      formatDateTimeMem(locale).format(dateObj)
+      formatDateTimeWithSecondsMem(locale).format(dateObj)
   : (dateObj: Date, locale: FrontendLocaleData) =>
-      format(dateObj, "MMMM D, YYYY, HH:mm" + useAmPm(locale) ? " A" : "");
-
+      format(dateObj, "MMMM D, YYYY, HH:mm:ss" + useAmPm(locale) ? " A" : "");
 const formatDateTimeWithSecondsMem = memoizeOne(
   (locale: FrontendLocaleData) =>
     new Intl.DateTimeFormat(locale.language, {
@@ -35,8 +41,20 @@ const formatDateTimeWithSecondsMem = memoizeOne(
     })
 );
 
-export const formatDateTimeWithSeconds = toLocaleStringSupportsOptions
+// 9/8/2021, 8:23 AM
+export const formatDateTimeNumeric = toLocaleStringSupportsOptions
   ? (dateObj: Date, locale: FrontendLocaleData) =>
-      formatDateTimeWithSecondsMem(locale).format(dateObj)
+      formatDateTimeNumericMem(locale).format(dateObj)
   : (dateObj: Date, locale: FrontendLocaleData) =>
-      format(dateObj, "MMMM D, YYYY, HH:mm:ss" + useAmPm(locale) ? " A" : "");
+      format(dateObj, "M/D/YYYY, HH:mm" + useAmPm(locale) ? " A" : "");
+const formatDateTimeNumericMem = memoizeOne(
+  (locale: FrontendLocaleData) =>
+    new Intl.DateTimeFormat(locale.language, {
+      year: "numeric",
+      month: "numeric",
+      day: "numeric",
+      hour: "numeric",
+      minute: "2-digit",
+      hour12: useAmPm(locale),
+    })
+);

src/common/datetime/format_time.ts

@@ -4,6 +4,12 @@ import { FrontendLocaleData } from "../../data/translation";
 import { toLocaleTimeStringSupportsOptions } from "./check_options_support";
 import { useAmPm } from "./use_am_pm";
 
+// 9:15 PM || 21:15
+export const formatTime = toLocaleTimeStringSupportsOptions
+  ? (dateObj: Date, locale: FrontendLocaleData) =>
+      formatTimeMem(locale).format(dateObj)
+  : (dateObj: Date, locale: FrontendLocaleData) =>
+      format(dateObj, "shortTime" + useAmPm(locale) ? " A" : "");
 const formatTimeMem = memoizeOne(
   (locale: FrontendLocaleData) =>
     new Intl.DateTimeFormat(locale.language, {
@@ -13,12 +19,12 @@ const formatTimeMem = memoizeOne(
     })
 );
 
-export const formatTime = toLocaleTimeStringSupportsOptions
+// 9:15:24 PM || 21:15:24
+export const formatTimeWithSeconds = toLocaleTimeStringSupportsOptions
   ? (dateObj: Date, locale: FrontendLocaleData) =>
-      formatTimeMem(locale).format(dateObj)
+      formatTimeWithSecondsMem(locale).format(dateObj)
   : (dateObj: Date, locale: FrontendLocaleData) =>
-      format(dateObj, "shortTime" + useAmPm(locale) ? " A" : "");
-
+      format(dateObj, "mediumTime" + useAmPm(locale) ? " A" : "");
 const formatTimeWithSecondsMem = memoizeOne(
   (locale: FrontendLocaleData) =>
     new Intl.DateTimeFormat(locale.language, {
@@ -29,12 +35,12 @@ const formatTimeWithSecondsMem = memoizeOne(
     })
 );
 
-export const formatTimeWithSeconds = toLocaleTimeStringSupportsOptions
+// Tuesday 7:00 PM || Tuesday 19:00
+export const formatTimeWeekday = toLocaleTimeStringSupportsOptions
   ? (dateObj: Date, locale: FrontendLocaleData) =>
-      formatTimeWithSecondsMem(locale).format(dateObj)
+      formatTimeWeekdayMem(locale).format(dateObj)
   : (dateObj: Date, locale: FrontendLocaleData) =>
-      format(dateObj, "mediumTime" + useAmPm(locale) ? " A" : "");
-
+      format(dateObj, "dddd, HH:mm" + useAmPm(locale) ? " A" : "");
 const formatTimeWeekdayMem = memoizeOne(
   (locale: FrontendLocaleData) =>
     new Intl.DateTimeFormat(locale.language, {
@@ -44,9 +50,3 @@ const formatTimeWeekdayMem = memoizeOne(
       hour12: useAmPm(locale),
     })
 );
-
-export const formatTimeWeekday = toLocaleTimeStringSupportsOptions
-  ? (dateObj: Date, locale: FrontendLocaleData) =>
-      formatTimeWeekdayMem(locale).format(dateObj)
-  : (dateObj: Date, locale: FrontendLocaleData) =>
-      format(dateObj, "dddd, HH:mm" + useAmPm(locale) ? " A" : "");

src/common/datetime/use_am_pm.ts

@@ -1,6 +1,7 @@
+import memoizeOne from "memoize-one";
 import { FrontendLocaleData, TimeFormat } from "../../data/translation";
 
-export const useAmPm = (locale: FrontendLocaleData): boolean => {
+export const useAmPm = memoizeOne((locale: FrontendLocaleData): boolean => {
   if (
     locale.time_format === TimeFormat.language ||
     locale.time_format === TimeFormat.system
@@ -12,4 +13,4 @@ export const useAmPm = (locale: FrontendLocaleData): boolean => {
   }
 
   return locale.time_format === TimeFormat.am_pm;
-};
+});

src/components/chart/chart-date-adapter.ts

@@ -35,7 +35,14 @@ import {
   endOfQuarter,
   endOfYear,
 } from "date-fns";
-import { formatDate, formatDateShort } from "../../common/datetime/format_date";
+import {
+  formatDate,
+  formatDateMonth,
+  formatDateMonthYear,
+  formatDateShort,
+  formatDateWeekday,
+  formatDateYear,
+} from "../../common/datetime/format_date";
 import {
   formatDateTime,
   formatDateTimeWithSeconds,
@@ -53,8 +60,11 @@ const FORMATS = {
   minute: "minute",
   hour: "hour",
   day: "day",
+  date: "date",
+  weekday: "weekday",
   week: "week",
   month: "month",
+  monthyear: "monthyear",
   quarter: "quarter",
   year: "year",
 };
@@ -81,16 +91,22 @@ _adapters._date.override({
         return formatTime(new Date(time), this.options.locale);
       case "hour":
         return formatTime(new Date(time), this.options.locale);
+      case "weekday":
+        return formatDateWeekday(new Date(time), this.options.locale);
+      case "date":
+        return formatDate(new Date(time), this.options.locale);
       case "day":
         return formatDateShort(new Date(time), this.options.locale);
       case "week":
         return formatDate(new Date(time), this.options.locale);
       case "month":
-        return formatDate(new Date(time), this.options.locale);
+        return formatDateMonth(new Date(time), this.options.locale);
+      case "monthyear":
+        return formatDateMonthYear(new Date(time), this.options.locale);
       case "quarter":
         return formatDate(new Date(time), this.options.locale);
       case "year":
-        return formatDate(new Date(time), this.options.locale);
+        return formatDateYear(new Date(time), this.options.locale);
       default:
         return "";
     }

src/components/ha-button-toggle-group.ts

@@ -15,6 +15,8 @@ export class HaButtonToggleGroup extends LitElement {
 
   @property({ type: Boolean }) public fullWidth = false;
 
+  @property({ type: Boolean }) public dense = false;
+
   protected render(): TemplateResult {
     return html`
       <div>
@@ -34,6 +36,8 @@ export class HaButtonToggleGroup extends LitElement {
                     ? `${100 / this.buttons.length}%`
                     : "initial",
                 })}
+                outlined
+                .dense=${this.dense}
                 .value=${button.value}
                 ?active=${this.active === button.value}
                 @click=${this._handleClick}
@@ -56,10 +60,16 @@ export class HaButtonToggleGroup extends LitElement {
         --mdc-icon-button-size: var(--button-toggle-size, 36px);
         --mdc-icon-size: var(--button-toggle-icon-size, 20px);
       }
-      mwc-icon-button,
       mwc-button {
+        --mdc-shape-small: 0;
+        --mdc-button-outline-width: 1px 0 1px 1px;
+      }
+      mwc-icon-button {
         border: 1px solid var(--primary-color);
         border-right-width: 0px;
+      }
+      mwc-icon-button,
+      mwc-button {
         position: relative;
         cursor: pointer;
       }
@@ -82,16 +92,19 @@ export class HaButtonToggleGroup extends LitElement {
       }
       mwc-icon-button:first-child,
       mwc-button:first-child {
+        --mdc-shape-small: 4px 0 0 4px;
         border-radius: 4px 0 0 4px;
       }
       mwc-icon-button:last-child,
       mwc-button:last-child {
         border-radius: 0 4px 4px 0;
         border-right-width: 1px;
+        --mdc-shape-small: 0 4px 4px 0;
+        --mdc-button-outline-width: 1px;
       }
       mwc-icon-button:only-child,
       mwc-button:only-child {
-        border-radius: 4px;
+        --mdc-shape-small: 4px;
         border-right-width: 1px;
       }
     `;

src/components/ha-selector/ha-selector-time.ts

@@ -1,10 +1,8 @@
 import { html, LitElement } from "lit";
 import { customElement, property } from "lit/decorators";
-import memoizeOne from "memoize-one";
 import { useAmPm } from "../../common/datetime/use_am_pm";
 import { fireEvent } from "../../common/dom/fire_event";
 import { TimeSelector } from "../../data/selector";
-import { FrontendLocaleData } from "../../data/translation";
 import { HomeAssistant } from "../../types";
 import "../paper-time-input";
 
@@ -20,12 +18,8 @@ export class HaTimeSelector extends LitElement {
 
   @property({ type: Boolean }) public disabled = false;
 
-  private _useAmPmMem = memoizeOne((locale: FrontendLocaleData): boolean =>
-    useAmPm(locale)
-  );
-
   protected render() {
-    const useAMPM = this._useAmPmMem(this.hass.locale);
+    const useAMPM = useAmPm(this.hass.locale);
 
     const parts = this.value?.split(":") || [];
     const hours = parts[0];
@@ -50,7 +44,7 @@ export class HaTimeSelector extends LitElement {
 
   private _timeChanged(ev) {
     let value = ev.target.value;
-    const useAMPM = this._useAmPmMem(this.hass.locale);
+    const useAMPM = useAmPm(this.hass.locale);
     let hours = Number(ev.target.hour || 0);
     if (value && useAMPM) {
       if (ev.target.amPm === "PM") {

src/data/history.ts

@@ -1,3 +1,4 @@
+import { addDays, addMonths, startOfDay, startOfMonth } from "date-fns";
 import { HassEntity } from "home-assistant-js-websocket";
 import { computeStateDisplay } from "../common/entity/compute_state_display";
 import { computeStateDomain } from "../common/entity/compute_state_domain";
@@ -406,3 +407,90 @@ export const calculateStatisticsSumGrowthWithPercentage = (
 
   return sum;
 };
+
+export const reduceSumStatisticsByDay = (
+  values: StatisticValue[]
+): StatisticValue[] => {
+  if (!values?.length) {
+    return [];
+  }
+  const result: StatisticValue[] = [];
+  if (
+    values.length > 1 &&
+    new Date(values[0].start).getDate() === new Date(values[1].start).getDate()
+  ) {
+    // add init value if the first value isn't end of previous period
+    result.push({
+      ...values[0]!,
+      start: startOfMonth(addDays(new Date(values[0].start), -1)).toISOString(),
+    });
+  }
+  let lastValue: StatisticValue;
+  let prevDate: number | undefined;
+  for (const value of values) {
+    const date = new Date(value.start).getDate();
+    if (prevDate === undefined) {
+      prevDate = date;
+    }
+    if (prevDate !== date) {
+      // Last value of the day
+      result.push({
+        ...lastValue!,
+        start: startOfDay(new Date(lastValue!.start)).toISOString(),
+      });
+      prevDate = date;
+    }
+    lastValue = value;
+  }
+  // Add final value
+  result.push({
+    ...lastValue!,
+    start: startOfDay(new Date(lastValue!.start)).toISOString(),
+  });
+  return result;
+};
+
+export const reduceSumStatisticsByMonth = (
+  values: StatisticValue[]
+): StatisticValue[] => {
+  if (!values?.length) {
+    return [];
+  }
+  const result: StatisticValue[] = [];
+  if (
+    values.length > 1 &&
+    new Date(values[0].start).getMonth() ===
+      new Date(values[1].start).getMonth()
+  ) {
+    // add init value if the first value isn't end of previous period
+    result.push({
+      ...values[0]!,
+      start: startOfMonth(
+        addMonths(new Date(values[0].start), -1)
+      ).toISOString(),
+    });
+  }
+  let lastValue: StatisticValue;
+  let prevMonth: number | undefined;
+  for (const value of values) {
+    const month = new Date(value.start).getMonth();
+    if (prevMonth === undefined) {
+      prevMonth = month;
+    }
+    if (prevMonth !== month) {
+      // Last value of the day
+      result.push({
+        ...lastValue!,
+        start: startOfMonth(new Date(lastValue!.start)).toISOString(),
+      });
+      prevMonth = month;
+    }
+    lastValue = value;
+  }
+  // Add final value
+  result.push({
+    ...lastValue!,
+    start: startOfMonth(new Date(lastValue!.start)).toISOString(),
+  });
+  return result;
+};

src/panels/lovelace/cards/energy/hui-energy-solar-graph-card.ts

@@ -10,7 +10,13 @@ import {
   ChartOptions,
   ScatterDataPoint,
 } from "chart.js";
-import { endOfToday, isToday, startOfToday } from "date-fns";
+import {
+  addHours,
+  differenceInDays,
+  endOfToday,
+  isToday,
+  startOfToday,
+} from "date-fns";
 import { HomeAssistant } from "../../../../types";
 import { LovelaceCard } from "../../types";
 import { EnergySolarGraphCardConfig } from "../types";
@@ -39,6 +45,10 @@ import {
 } from "../../../../common/string/format_number";
 import { SubscribeMixin } from "../../../../mixins/subscribe-mixin";
 import { FrontendLocaleData } from "../../../../data/translation";
+import {
+  reduceSumStatisticsByMonth,
+  reduceSumStatisticsByDay,
+} from "../../../../data/history";
 
 @customElement("hui-energy-solar-graph-card")
 export class HuiEnergySolarGraphCard
@@ -110,84 +120,108 @@ export class HuiEnergySolarGraphCard
   }
 
   private _createOptions = memoizeOne(
-    (start: Date, end: Date, locale: FrontendLocaleData): ChartOptions => ({
-      parsing: false,
-      animation: false,
-      scales: {
-        x: {
-          type: "time",
-          suggestedMin: start.getTime(),
-          suggestedMax: end.getTime(),
-          adapters: {
-            date: {
-              locale: locale,
+    (start: Date, end: Date, locale: FrontendLocaleData): ChartOptions => {
+      const dayDifference = differenceInDays(end, start);
+      return {
+        parsing: false,
+        animation: false,
+        scales: {
+          x: {
+            type: "time",
+            suggestedMin: (dayDifference > 2
+              ? addHours(start, -11)
+              : start
+            ).getTime(),
+            suggestedMax: (dayDifference > 2
+              ? addHours(end, -11)
+              : end
+            ).getTime(),
+            adapters: {
+              date: {
+                locale: locale,
+              },
+            },
+            ticks: {
+              maxRotation: 0,
+              sampleSize: 5,
+              autoSkipPadding: 20,
+              major: {
+                enabled: true,
+              },
+              font: (context) =>
+                context.tick && context.tick.major
+                  ? ({ weight: "bold" } as any)
+                  : {},
+            },
+            time: {
+              tooltipFormat:
+                dayDifference > 35
+                  ? "monthyear"
+                  : dayDifference > 7
+                  ? "date"
+                  : dayDifference > 2
+                  ? "weekday"
+                  : dayDifference > 0
+                  ? "datetime"
+                  : "hour",
+              minUnit:
+                dayDifference > 35
+                  ? "month"
+                  : dayDifference > 2
+                  ? "day"
+                  : "hour",
+            },
+            offset: true,
+          },
+          y: {
+            type: "linear",
+            title: {
+              display: true,
+              text: "kWh",
+            },
+            ticks: {
+              beginAtZero: true,
             },
           },
-          ticks: {
-            maxRotation: 0,
-            sampleSize: 5,
-            autoSkipPadding: 20,
-            major: {
-              enabled: true,
+        },
+        plugins: {
+          tooltip: {
+            mode: "nearest",
+            callbacks: {
+              label: (context) =>
+                `${context.dataset.label}: ${formatNumber(
+                  context.parsed.y,
+                  locale
+                )} kWh`,
             },
-            font: (context) =>
-              context.tick && context.tick.major
-                ? ({ weight: "bold" } as any)
-                : {},
           },
-          time: {
-            tooltipFormat: "datetime",
+          filler: {
+            propagate: false,
           },
-          offset: true,
-        },
-        y: {
-          type: "linear",
-          title: {
-            display: true,
-            text: "kWh",
-          },
-          ticks: {
-            beginAtZero: true,
+          legend: {
+            display: false,
+            labels: {
+              usePointStyle: true,
+            },
           },
         },
-      },
-      plugins: {
-        tooltip: {
+        hover: {
           mode: "nearest",
-          callbacks: {
-            label: (context) =>
-              `${context.dataset.label}: ${formatNumber(
-                context.parsed.y,
-                locale
-              )} kWh`,
+        },
+        elements: {
+          line: {
+            tension: 0.3,
+            borderWidth: 1.5,
+          },
+          bar: { borderWidth: 1.5, borderRadius: 4 },
+          point: {
+            hitRadius: 5,
           },
         },
-        filler: {
-          propagate: false,
-        },
-        legend: {
-          display: false,
-          labels: {
-            usePointStyle: true,
-          },
-        },
-      },
-      hover: {
-        mode: "nearest",
-      },
-      elements: {
-        line: {
-          tension: 0.3,
-          borderWidth: 1.5,
-        },
-        bar: { borderWidth: 1.5, borderRadius: 4 },
-        point: {
-          hitRadius: 5,
-        },
-      },
-      // @ts-expect-error
-      locale: numberFormatToLocale(locale),
-    })
+        // @ts-expect-error
+        locale: numberFormatToLocale(locale),
+      };
+    }
   );
 
   private async _getStatistics(energyData: EnergyData): Promise<void> {
@@ -229,6 +263,11 @@ export class HuiEnergySolarGraphCard
       .getPropertyValue("--energy-solar-color")
       .trim();
 
+    const dayDifference = differenceInDays(
+      energyData.end || new Date(),
+      energyData.start
+    );
+
     solarSources.forEach((source, idx) => {
       const data: ChartDataset<"bar" | "line">[] = [];
       const entity = this.hass.states[source.stat_energy_from];
@@ -244,9 +283,20 @@ export class HuiEnergySolarGraphCard
       const solarProductionData: ScatterDataPoint[] = [];
 
       // Process solar production data.
-      if (energyData.stats[source.stat_energy_from]) {
-        for (const point of energyData.stats[source.stat_energy_from]) {
-          if (!point.sum) {
+      if (source.stat_energy_from in energyData.stats) {
+        const stats =
+          dayDifference > 35
+            ? reduceSumStatisticsByMonth(
+                energyData.stats[source.stat_energy_from]
+              )
+            : dayDifference > 2
+            ? reduceSumStatisticsByDay(
+                energyData.stats[source.stat_energy_from]
+              )
+            : energyData.stats[source.stat_energy_from];
+
+        for (const point of stats) {
+          if (point.sum === null) {
             continue;
           }
           if (prevValue === null) {
@@ -294,7 +344,14 @@ export class HuiEnergySolarGraphCard
               ) {
                 return;
               }
-              dateObj.setMinutes(0, 0, 0);
+              if (dayDifference > 35) {
+                dateObj.setDate(1);
+              }
+              if (dayDifference > 2) {
+                dateObj.setHours(0, 0, 0, 0);
+              } else {
+                dateObj.setMinutes(0, 0, 0);
+              }
               const time = dateObj.getTime();
               if (time in forecastsData) {
                 forecastsData[time] += value;

src/panels/lovelace/cards/energy/hui-energy-usage-graph-card.ts

@@ -1,5 +1,11 @@
 import { ChartData, ChartDataset, ChartOptions } from "chart.js";
-import { startOfToday, endOfToday, isToday } from "date-fns";
+import {
+  startOfToday,
+  endOfToday,
+  isToday,
+  differenceInDays,
+  addHours,
+} from "date-fns";
 import { UnsubscribeFunc } from "home-assistant-js-websocket";
 import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
 import { customElement, property, state } from "lit/decorators";
@@ -21,6 +27,10 @@ import {
 import "../../../../components/chart/ha-chart-base";
 import "../../../../components/ha-card";
 import { EnergyData, getEnergyDataCollection } from "../../../../data/energy";
+import {
+  reduceSumStatisticsByDay,
+  reduceSumStatisticsByMonth,
+} from "../../../../data/history";
 import { FrontendLocaleData } from "../../../../data/translation";
 import { SubscribeMixin } from "../../../../mixins/subscribe-mixin";
 import { HomeAssistant } from "../../../../types";
@@ -97,106 +107,136 @@ export class HuiEnergyUsageGraphCard
   }
 
   private _createOptions = memoizeOne(
-    (start: Date, end: Date, locale: FrontendLocaleData): ChartOptions => ({
-      parsing: false,
-      animation: false,
-      scales: {
-        x: {
-          type: "time",
-          suggestedMin: start.getTime(),
-          suggestedMax: end.getTime(),
-          adapters: {
-            date: {
-              locale: locale,
+    (start: Date, end: Date, locale: FrontendLocaleData): ChartOptions => {
+      const dayDifference = differenceInDays(end, start);
+      return {
+        parsing: false,
+        animation: false,
+        scales: {
+          x: {
+            type: "time",
+            suggestedMin: (dayDifference > 2
+              ? addHours(start, -11)
+              : start
+            ).getTime(),
+            suggestedMax: (dayDifference > 2
+              ? addHours(end, -11)
+              : end
+            ).getTime(),
+            adapters: {
+              date: {
+                locale: locale,
+              },
+            },
+            ticks: {
+              maxRotation: 0,
+              sampleSize: 5,
+              autoSkipPadding: 20,
+              major: {
+                enabled: true,
+              },
+              font: (context) =>
+                context.tick && context.tick.major
+                  ? ({ weight: "bold" } as any)
+                  : {},
+            },
+            time: {
+              tooltipFormat:
+                dayDifference > 35
+                  ? "monthyear"
+                  : dayDifference > 7
+                  ? "date"
+                  : dayDifference > 2
+                  ? "weekday"
+                  : dayDifference > 0
+                  ? "datetime"
+                  : "hour",
+              minUnit:
+                dayDifference > 35
+                  ? "month"
+                  : dayDifference > 2
+                  ? "day"
+                  : "hour",
+            },
+            offset: true,
+          },
+          y: {
+            stacked: true,
+            type: "linear",
+            title: {
+              display: true,
+              text: "kWh",
+            },
+            ticks: {
+              beginAtZero: true,
+              callback: (value) => formatNumber(Math.abs(value), locale),
             },
           },
-          ticks: {
-            maxRotation: 0,
-            sampleSize: 5,
-            autoSkipPadding: 20,
-            major: {
-              enabled: true,
-            },
-            font: (context) =>
-              context.tick && context.tick.major
-                ? ({ weight: "bold" } as any)
-                : {},
-          },
-          time: {
-            tooltipFormat: "datetime",
-          },
-          offset: true,
         },
-        y: {
-          stacked: true,
-          type: "linear",
-          title: {
-            display: true,
-            text: "kWh",
-          },
-          ticks: {
-            beginAtZero: true,
-            callback: (value) => formatNumber(Math.abs(value), locale),
-          },
-        },
-      },
-      plugins: {
-        tooltip: {
-          mode: "x",
-          intersect: true,
-          position: "nearest",
-          filter: (val) => val.formattedValue !== "0",
-          callbacks: {
-            label: (context) =>
-              `${context.dataset.label}: ${formatNumber(
-                Math.abs(context.parsed.y),
-                locale
-              )} kWh`,
-            footer: (contexts) => {
-              let totalConsumed = 0;
-              let totalReturned = 0;
-              for (const context of contexts) {
-                const value = (context.dataset.data[context.dataIndex] as any)
-                  .y;
-                if (value > 0) {
-                  totalConsumed += value;
-                } else {
-                  totalReturned += Math.abs(value);
+        plugins: {
+          tooltip: {
+            mode: "x",
+            intersect: true,
+            position: "nearest",
+            filter: (val) => val.formattedValue !== "0",
+            callbacks: {
+              label: (context) =>
+                `${context.dataset.label}: ${formatNumber(
+                  Math.abs(context.parsed.y),
+                  locale
+                )} kWh`,
+              footer: (contexts) => {
+                let totalConsumed = 0;
+                let totalReturned = 0;
+                for (const context of contexts) {
+                  const value = (context.dataset.data[context.dataIndex] as any)
+                    .y;
+                  if (value > 0) {
+                    totalConsumed += value;
+                  } else {
+                    totalReturned += Math.abs(value);
+                  }
                 }
-              }
-              return [
-                totalConsumed
-                  ? `Total consumed: ${formatNumber(totalConsumed, locale)} kWh`
-                  : "",
-                totalReturned
-                  ? `Total returned: ${formatNumber(totalReturned, locale)} kWh`
-                  : "",
-              ].filter(Boolean);
+                return [
+                  totalConsumed
+                    ? `Total consumed: ${formatNumber(
+                        totalConsumed,
+                        locale
+                      )} kWh`
+                    : "",
+                  totalReturned
+                    ? `Total returned: ${formatNumber(
+                        totalReturned,
+                        locale
+                      )} kWh`
+                    : "",
+                ].filter(Boolean);
+              },
+            },
+          },
+          filler: {
+            propagate: false,
+          },
+          legend: {
+            display: false,
+            labels: {
+              usePointStyle: true,
             },
           },
         },
-        filler: {
-          propagate: false,
+        hover: {
+          mode: "nearest",
         },
-        legend: {
-          display: false,
-          labels: {
-            usePointStyle: true,
+        elements: {
+          bar: { borderWidth: 1.5, borderRadius: 4 },
+          point: {
+            hitRadius: 5,
           },
         },
-      },
-      hover: {
-        mode: "nearest",
-      },
-      elements: {
-        bar: { borderWidth: 1.5, borderRadius: 4 },
-        point: {
-          hitRadius: 5,
-        },
-      },
-      // @ts-expect-error
-      locale: numberFormatToLocale(locale),
-    })
+        // @ts-expect-error
+        locale: numberFormatToLocale(locale),
+      };
+    }
   );
 
   private async _getStatistics(energyData: EnergyData): Promise<void> {
@@ -233,7 +273,13 @@ export class HuiEnergyUsageGraphCard
       }
     }
 
+    const dayDifference = differenceInDays(
+      energyData.end || new Date(),
+      energyData.start
+    );
+
     const statisticsData = Object.values(energyData.stats);
+
     const datasets: ChartDataset<"bar">[] = [];
     let endTime: Date;
 
@@ -287,14 +333,20 @@ export class HuiEnergyUsageGraphCard
       const totalStats: { [start: string]: number } = {};
       const sets: { [statId: string]: { [start: string]: number } } = {};
       statIds!.forEach((id) => {
-        const stats = energyData.stats[id];
+        const stats =
+          dayDifference > 35
+            ? reduceSumStatisticsByMonth(energyData.stats[id])
+            : dayDifference > 2
+            ? reduceSumStatisticsByDay(energyData.stats[id])
+            : energyData.stats[id];
         if (!stats) {
           return;
         }
+
         const set = {};
         let prevValue: number;
         stats.forEach((stat) => {
-          if (!stat.sum) {
+          if (stat.sum === null) {
             return;
           }
           if (!prevValue) {

src/panels/lovelace/components/hui-energy-period-selector.ts

@@ -1,15 +1,45 @@
 import { mdiChevronLeft, mdiChevronRight } from "@mdi/js";
-import { endOfToday, addDays, endOfDay, isToday, startOfToday } from "date-fns";
+import {
+  endOfToday,
+  addDays,
+  endOfDay,
+  startOfToday,
+  endOfWeek,
+  endOfMonth,
+  startOfDay,
+  startOfWeek,
+  startOfMonth,
+  addMonths,
+  addWeeks,
+  startOfYear,
+  addYears,
+  endOfYear,
+  isWithinInterval,
+  differenceInDays,
+} from "date-fns";
 import { UnsubscribeFunc } from "home-assistant-js-websocket";
 import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
 import { customElement, property, state } from "lit/decorators";
-import { formatDate } from "../../../common/datetime/format_date";
+import {
+  formatDate,
+  formatDateMonthYear,
+  formatDateShort,
+  formatDateYear,
+} from "../../../common/datetime/format_date";
 import { EnergyData, getEnergyDataCollection } from "../../../data/energy";
 import { SubscribeMixin } from "../../../mixins/subscribe-mixin";
-import { HomeAssistant } from "../../../types";
+import { HomeAssistant, ToggleButton } from "../../../types";
 import "@material/mwc-icon-button/mwc-icon-button";
 import "../../../components/ha-svg-icon";
 import "@material/mwc-button/mwc-button";
+import "../../../components/ha-button-toggle-group";
+
+const viewButtons: ToggleButton[] = [
+  { label: "Day", value: "day" },
+  { label: "Week", value: "week" },
+  { label: "Month", value: "month" },
+  { label: "Year", value: "year" },
+];
 
 @customElement("hui-energy-period-selector")
 export class HuiEnergyPeriodSelector extends SubscribeMixin(LitElement) {
@@ -21,6 +51,8 @@ export class HuiEnergyPeriodSelector extends SubscribeMixin(LitElement) {
 
   @state() _endDate?: Date;
 
+  @state() private _period?: "day" | "week" | "month" | "year";
+
   public hassSubscribe(): UnsubscribeFunc[] {
     return [
       getEnergyDataCollection(this.hass, {
@@ -37,41 +69,110 @@ export class HuiEnergyPeriodSelector extends SubscribeMixin(LitElement) {
     return html`
       <div class="row">
         <div class="label">
-          ${formatDate(this._startDate, this.hass.locale)}
+          ${this._period === "day"
+            ? formatDate(this._startDate, this.hass.locale)
+            : this._period === "month"
+            ? formatDateMonthYear(this._startDate, this.hass.locale)
+            : this._period === "year"
+            ? formatDateYear(this._startDate, this.hass.locale)
+            : `${formatDateShort(
+                this._startDate,
+                this.hass.locale
+              )} - ${formatDateShort(
+                this._endDate || new Date(),
+                this.hass.locale
+              )}`}
         </div>
 
-        <mwc-icon-button label="Previous Day" @click=${this._pickPreviousDay}>
+        <mwc-icon-button label="Previous" @click=${this._pickPrevious}>
           <ha-svg-icon .path=${mdiChevronLeft}></ha-svg-icon>
         </mwc-icon-button>
-        <mwc-icon-button label="Next Day" @click=${this._pickNextDay}>
+        <mwc-icon-button label="Next" @click=${this._pickNext}>
           <ha-svg-icon .path=${mdiChevronRight}></ha-svg-icon>
         </mwc-icon-button>
 
-        <mwc-button
+        <mwc-button dense outlined @click=${this._pickToday}>
+          Today
+        </mwc-button>
+        <ha-button-toggle-group
+          .buttons=${viewButtons}
+          .active=${this._period}
           dense
-          outlined
-          .disabled=${isToday(this._startDate)}
-          @click=${this._pickToday}
-          >Today</mwc-button
-        >
+          @value-changed=${this._handleView}
+        ></ha-button-toggle-group>
       </div>
     `;
   }
 
+  private _handleView(ev: CustomEvent): void {
+    this._period = ev.detail.value;
+    const today = startOfToday();
+    const start =
+      !this._startDate ||
+      isWithinInterval(today, {
+        start: this._startDate,
+        end: this._endDate || endOfToday(),
+      })
+        ? today
+        : this._startDate;
+
+    this._setDate(
+      this._period === "day"
+        ? startOfDay(start)
+        : this._period === "week"
+        ? startOfWeek(start, { weekStartsOn: 1 })
+        : this._period === "month"
+        ? startOfMonth(start)
+        : startOfYear(start)
+    );
+  }
+
   private _pickToday() {
-    this._setDate(startOfToday());
+    this._setDate(
+      this._period === "day"
+        ? startOfToday()
+        : this._period === "week"
+        ? startOfWeek(new Date(), { weekStartsOn: 1 })
+        : this._period === "month"
+        ? startOfMonth(new Date())
+        : startOfYear(new Date())
+    );
   }
 
-  private _pickPreviousDay() {
-    this._setDate(addDays(this._startDate!, -1));
+  private _pickPrevious() {
+    const newStart =
+      this._period === "day"
+        ? addDays(this._startDate!, -1)
+        : this._period === "week"
+        ? addWeeks(this._startDate!, -1)
+        : this._period === "month"
+        ? addMonths(this._startDate!, -1)
+        : addYears(this._startDate!, -1);
+    this._setDate(newStart);
   }
 
-  private _pickNextDay() {
-    this._setDate(addDays(this._startDate!, +1));
+  private _pickNext() {
+    const newStart =
+      this._period === "day"
+        ? addDays(this._startDate!, 1)
+        : this._period === "week"
+        ? addWeeks(this._startDate!, 1)
+        : this._period === "month"
+        ? addMonths(this._startDate!, 1)
+        : addYears(this._startDate!, 1);
+    this._setDate(newStart);
   }
 
   private _setDate(startDate: Date) {
-    const endDate = endOfDay(startDate);
+    const endDate =
+      this._period === "day"
+        ? endOfDay(startDate)
+        : this._period === "week"
+        ? endOfWeek(startDate, { weekStartsOn: 1 })
+        : this._period === "month"
+        ? endOfMonth(startDate)
+        : endOfYear(startDate);
+
     const energyCollection = getEnergyDataCollection(this.hass, {
       key: this.collectionKey,
     });
@@ -82,6 +183,17 @@ export class HuiEnergyPeriodSelector extends SubscribeMixin(LitElement) {
   private _updateDates(energyData: EnergyData): void {
     this._startDate = energyData.start;
     this._endDate = energyData.end || endOfToday();
+    const dayDifference = differenceInDays(this._endDate, this._startDate);
+    this._period =
+      dayDifference < 1
+        ? "day"
+        : dayDifference === 6
+        ? "week"
+        : dayDifference > 26 && dayDifference < 31 // 28, 29, 30 or 31 days in a month
+        ? "month"
+        : dayDifference === 364 || dayDifference === 365 // Leap year
+        ? "year"
+        : undefined;
   }
 
   static get styles(): CSSResultGroup {
@@ -96,16 +208,20 @@ export class HuiEnergyPeriodSelector extends SubscribeMixin(LitElement) {
         text-align: center;
         font-size: 20px;
       }
+      :host {
+        --mdc-button-outline-color: currentColor;
+        --primary-color: currentColor;
+        --mdc-theme-primary: currentColor;
+        --mdc-button-disabled-outline-color: var(--disabled-text-color);
+        --mdc-button-disabled-ink-color: var(--disabled-text-color);
+        --mdc-icon-button-ripple-opacity: 0.2;
+      }
       mwc-icon-button {
         --mdc-icon-button-size: 28px;
       }
-      mwc-button {
+      mwc-button,
+      ha-button-toggle-group {
         padding-left: 8px;
-        --mdc-theme-primary: currentColor;
-        --mdc-button-outline-color: currentColor;
-
-        --mdc-button-disabled-outline-color: var(--disabled-text-color);
-        --mdc-button-disabled-ink-color: var(--disabled-text-color);
       }
     `;
   }

src/types.ts

@@ -130,7 +130,7 @@ export type FullCalendarView =
 
 export interface ToggleButton {
   label: string;
-  iconPath: string;
+  iconPath?: string;
   value: string;
 }