From 56f70eb59962e5c76c5eb285f238eaae6dccd928 Mon Sep 17 00:00:00 2001
From: Sirttas <sophiegaelle.calloch@gmail.com>
Date: Mon, 31 Aug 2026 19:28:21 +0200
Subject: [PATCH] feat(#52): Add Daily Balance mode to ledger Statistics view

---
 docs/mammon-api.yml                       |  60 ++++++++
 src/generated/mammon/api.ts               |  89 +++++++++++
 src/ledger/index.ts                       |   1 +
 src/ledger/statistics.spec.ts             |  46 ++++++
 src/ledger/statistics.ts                  |  15 ++
 src/pages/ledger/DailyBalanceChart.vue    | 156 +++++++++++++++++++
 src/pages/ledger/ProfitChart.vue          | 154 +++++++++++++++++++
 src/pages/ledger/ViewLedger.vue           |   4 +-
 src/pages/ledger/ViewLedgerStatistics.vue | 178 +++-------------------
 9 files changed, 544 insertions(+), 159 deletions(-)
 create mode 100644 src/ledger/statistics.spec.ts
 create mode 100644 src/ledger/statistics.ts
 create mode 100644 src/pages/ledger/DailyBalanceChart.vue
 create mode 100644 src/pages/ledger/ProfitChart.vue

diff --git a/docs/mammon-api.yml b/docs/mammon-api.yml
index 46f123b..665e21a 100644
--- a/docs/mammon-api.yml
+++ b/docs/mammon-api.yml
@@ -1037,6 +1037,36 @@ paths:
                 $ref: "#/components/schemas/BalanceResponse"
         "404":
           description: No ledger with this id
+  /ledgers/{ledgerId}/balance/daily-valuation:
+    get:
+      tags:
+      - ledger
+      summary: Get the daily mark-to-market valuation series of a ledger's held balance
+        (items and ISK)
+      operationId: dailyValuationForLedger
+      parameters:
+      - name: ledgerId
+        in: path
+        description: Id of the ledger
+        required: true
+        schema:
+          type: string
+          format: uuid
+      responses:
+        "200":
+          description: "Daily average/highest/lowest valuation for the ledger, ascending\
+            \ by date. For a combined ledger, this is the per-date sum of its covered\
+            \ main ledgers' valuations."
+          content:
+            '*/*':
+              schema:
+                type: array
+                items:
+                  $ref: "#/components/schemas/DailyBalanceResponse"
+        "400":
+          description: The ledger is the system ledger
+        "404":
+          description: No ledger with this id
   /corporations:
     get:
       tags:
@@ -2260,6 +2290,36 @@ components:
       required:
       - quantity
       - typeId
+    DailyBalanceResponse:
+      type: object
+      description: "Mark-to-market value of a ledger's held balance (items and ISK)\
+        \ for a single day: average, highest and lowest."
+      properties:
+        date:
+          type: string
+          format: date
+          description: The UTC (EVE) day this valuation is for.
+          example: 2026-06-22
+        averageValue:
+          type: number
+          description: ISK balance plus held item balance valued at that day's average
+            price.
+          example: 1.5E8
+        highestValue:
+          type: number
+          description: ISK balance plus held item balance valued at that day's highest
+            price.
+          example: 1.6E8
+        lowestValue:
+          type: number
+          description: ISK balance plus held item balance valued at that day's lowest
+            price.
+          example: 1.4E8
+      required:
+      - averageValue
+      - date
+      - highestValue
+      - lowestValue
     CorporationResponse:
       type: object
       description: An EVE Online corporation.
diff --git a/src/generated/mammon/api.ts b/src/generated/mammon/api.ts
index a79de42..cc7fbab 100644
--- a/src/generated/mammon/api.ts
+++ b/src/generated/mammon/api.ts
@@ -207,6 +207,27 @@ export interface CreateMainLedgerRequest {
      */
     'name': string;
 }
+/**
+ * Mark-to-market value of a ledger\'s held balance (items and ISK) for a single day: average, highest and lowest.
+ */
+export interface DailyBalanceResponse {
+    /**
+     * The UTC (EVE) day this valuation is for.
+     */
+    'date': string;
+    /**
+     * ISK balance plus held item balance valued at that day\'s average price.
+     */
+    'averageValue': number;
+    /**
+     * ISK balance plus held item balance valued at that day\'s highest price.
+     */
+    'highestValue': number;
+    /**
+     * ISK balance plus held item balance valued at that day\'s lowest price.
+     */
+    'lowestValue': number;
+}
 /**
  * Profit for a single day: ISK in, ISK out, and their difference.
  */
@@ -2041,6 +2062,40 @@ export const LedgerApiAxiosParamCreator = function (configuration?: Configuratio
                 options: localVarRequestOptions,
             };
         },
+        /**
+         * 
+         * @summary Get the daily mark-to-market valuation series of a ledger\'s held balance (items and ISK)
+         * @param {string} ledgerId Id of the ledger
+         * @param {*} [options] Override http request option.
+         * @throws {RequiredError}
+         */
+        dailyValuationForLedger: async (ledgerId: string, options: RawAxiosRequestConfig = {}): Promise<RequestArgs> => {
+            // verify required parameter 'ledgerId' is not null or undefined
+            assertParamExists('dailyValuationForLedger', 'ledgerId', ledgerId)
+            const localVarPath = `/ledgers/{ledgerId}/balance/daily-valuation`
+                .replace('{ledgerId}', encodeURIComponent(String(ledgerId)));
+            // use dummy base URL string because the URL constructor only accepts absolute URLs.
+            const localVarUrlObj = new URL(localVarPath, DUMMY_BASE_URL);
+            let baseOptions;
+            if (configuration) {
+                baseOptions = configuration.baseOptions;
+            }
+
+            const localVarRequestOptions = { method: 'GET', ...baseOptions, ...options};
+            const localVarHeaderParameter = {} as any;
+            const localVarQueryParameter = {} as any;
+
+            localVarHeaderParameter['Accept'] = '*/*';
+
+            setSearchParams(localVarUrlObj, localVarQueryParameter);
+            let headersFromBaseOptions = baseOptions && baseOptions.headers ? baseOptions.headers : {};
+            localVarRequestOptions.headers = {...localVarHeaderParameter, ...headersFromBaseOptions, ...options.headers};
+
+            return {
+                url: toPathString(localVarUrlObj),
+                options: localVarRequestOptions,
+            };
+        },
         /**
          * 
          * @summary Find all ledgers owned by the authenticated user
@@ -2252,6 +2307,19 @@ export const LedgerApiFp = function(configuration?: Configuration) {
             const localVarOperationServerBasePath = operationServerMap['LedgerApi.createMainLedger']?.[localVarOperationServerIndex]?.url;
             return (axios, basePath) => createRequestFunction(localVarAxiosArgs, globalAxios, BASE_PATH, configuration)(axios, localVarOperationServerBasePath || basePath);
         },
+        /**
+         * 
+         * @summary Get the daily mark-to-market valuation series of a ledger\'s held balance (items and ISK)
+         * @param {string} ledgerId Id of the ledger
+         * @param {*} [options] Override http request option.
+         * @throws {RequiredError}
+         */
+        async dailyValuationForLedger(ledgerId: string, options?: RawAxiosRequestConfig): Promise<(axios?: AxiosInstance, basePath?: string) => AxiosPromise<Array<DailyBalanceResponse>>> {
+            const localVarAxiosArgs = await localVarAxiosParamCreator.dailyValuationForLedger(ledgerId, options);
+            const localVarOperationServerIndex = configuration?.serverIndex ?? 0;
+            const localVarOperationServerBasePath = operationServerMap['LedgerApi.dailyValuationForLedger']?.[localVarOperationServerIndex]?.url;
+            return (axios, basePath) => createRequestFunction(localVarAxiosArgs, globalAxios, BASE_PATH, configuration)(axios, localVarOperationServerBasePath || basePath);
+        },
         /**
          * 
          * @summary Find all ledgers owned by the authenticated user
@@ -2347,6 +2415,16 @@ export const LedgerApiFactory = function (configuration?: Configuration, basePat
         createMainLedger(createMainLedgerRequest: CreateMainLedgerRequest, options?: RawAxiosRequestConfig): AxiosPromise<MainLedgerResponse> {
             return localVarFp.createMainLedger(createMainLedgerRequest, options).then((request) => request(axios, basePath));
         },
+        /**
+         * 
+         * @summary Get the daily mark-to-market valuation series of a ledger\'s held balance (items and ISK)
+         * @param {string} ledgerId Id of the ledger
+         * @param {*} [options] Override http request option.
+         * @throws {RequiredError}
+         */
+        dailyValuationForLedger(ledgerId: string, options?: RawAxiosRequestConfig): AxiosPromise<Array<DailyBalanceResponse>> {
+            return localVarFp.dailyValuationForLedger(ledgerId, options).then((request) => request(axios, basePath));
+        },
         /**
          * 
          * @summary Find all ledgers owned by the authenticated user
@@ -2427,6 +2505,17 @@ export class LedgerApi extends BaseAPI {
         return LedgerApiFp(this.configuration).createMainLedger(createMainLedgerRequest, options).then((request) => request(this.axios, this.basePath));
     }
 
+    /**
+     * 
+     * @summary Get the daily mark-to-market valuation series of a ledger\'s held balance (items and ISK)
+     * @param {string} ledgerId Id of the ledger
+     * @param {*} [options] Override http request option.
+     * @throws {RequiredError}
+     */
+    public dailyValuationForLedger(ledgerId: string, options?: RawAxiosRequestConfig) {
+        return LedgerApiFp(this.configuration).dailyValuationForLedger(ledgerId, options).then((request) => request(this.axios, this.basePath));
+    }
+
     /**
      * 
      * @summary Find all ledgers owned by the authenticated user
diff --git a/src/ledger/index.ts b/src/ledger/index.ts
index ea43500..4fdf61f 100644
--- a/src/ledger/index.ts
+++ b/src/ledger/index.ts
@@ -1,5 +1,6 @@
 export * from './ledger';
 export * from './balanceAppraisal';
+export * from './statistics';
 
 export {default as LedgerLabel} from './LedgerLabel.vue';
 export {default as LedgerSelect} from './LedgerSelect.vue';
diff --git a/src/ledger/statistics.spec.ts b/src/ledger/statistics.spec.ts
new file mode 100644
index 0000000..09d39bf
--- /dev/null
+++ b/src/ledger/statistics.spec.ts
@@ -0,0 +1,46 @@
+import {describe, expect, test} from 'vitest';
+import {latestDailyBalanceValue, resolveStatisticsMode, StatisticsModes} from './statistics';
+import type {CombinedLedger, MainLedger} from './ledger';
+import {LedgerTypes} from './ledger';
+import type {DailyBalanceResponse} from '@/generated/mammon';
+
+const mainLedger = {type: LedgerTypes.Main, ledgerId: 'main-1', name: 'Main', balance: 0} as MainLedger;
+const combinedLedger = {type: LedgerTypes.Combined, ledgerId: 'combined-1', name: 'Combined', balance: 0} as unknown as CombinedLedger;
+
+const balance = (date: string, averageValue: number): DailyBalanceResponse => ({
+    date, averageValue, highestValue: averageValue, lowestValue: averageValue,
+});
+
+describe('resolveStatisticsMode', () => {
+    test('keeps cash flow mode for a main ledger', () => {
+        expect(resolveStatisticsMode(mainLedger, StatisticsModes.CashFlow)).toBe(StatisticsModes.CashFlow);
+    });
+
+    test('keeps margin mode for a main ledger', () => {
+        expect(resolveStatisticsMode(mainLedger, StatisticsModes.Margin)).toBe(StatisticsModes.Margin);
+    });
+
+    test('keeps daily balance mode for a combined ledger', () => {
+        expect(resolveStatisticsMode(combinedLedger, StatisticsModes.DailyBalance)).toBe(StatisticsModes.DailyBalance);
+    });
+
+    test('falls back to daily balance when cash flow is selected for a combined ledger', () => {
+        expect(resolveStatisticsMode(combinedLedger, StatisticsModes.CashFlow)).toBe(StatisticsModes.DailyBalance);
+    });
+
+    test('falls back to daily balance when margin is selected for a combined ledger', () => {
+        expect(resolveStatisticsMode(combinedLedger, StatisticsModes.Margin)).toBe(StatisticsModes.DailyBalance);
+    });
+});
+
+describe('latestDailyBalanceValue', () => {
+    test('returns the average value of the most recent day in range', () => {
+        const result = latestDailyBalanceValue([balance('2026-08-01', 100), balance('2026-08-02', 150)]);
+
+        expect(result).toBe(150);
+    });
+
+    test('returns zero for an empty range', () => {
+        expect(latestDailyBalanceValue([])).toBe(0);
+    });
+});
diff --git a/src/ledger/statistics.ts b/src/ledger/statistics.ts
new file mode 100644
index 0000000..e0c0ea9
--- /dev/null
+++ b/src/ledger/statistics.ts
@@ -0,0 +1,15 @@
+import type {DailyBalanceResponse} from "@/generated/mammon";
+import {isMain, type Ledger} from "./ledger";
+
+export const StatisticsModes = {
+    CashFlow: 'CASH_FLOW',
+    Margin: 'MARGIN',
+    DailyBalance: 'DAILY_BALANCE',
+} as const;
+export type StatisticsMode = typeof StatisticsModes[keyof typeof StatisticsModes];
+
+export const resolveStatisticsMode = (ledger: Ledger, mode: StatisticsMode): StatisticsMode =>
+    !isMain(ledger) && mode !== StatisticsModes.DailyBalance ? StatisticsModes.DailyBalance : mode;
+
+export const latestDailyBalanceValue = (range: DailyBalanceResponse[]): number =>
+    range.at(-1)?.averageValue ?? 0;
diff --git a/src/pages/ledger/DailyBalanceChart.vue b/src/pages/ledger/DailyBalanceChart.vue
new file mode 100644
index 0000000..8b36b46
--- /dev/null
+++ b/src/pages/ledger/DailyBalanceChart.vue
@@ -0,0 +1,156 @@
+<script setup lang="ts">
+import {computed, ref, watch} from "vue";
+import {
+  CategoryScale,
+  Chart as ChartJS,
+  type ChartData,
+  type ChartDataset,
+  type ChartOptions,
+  Filler,
+  Legend,
+  LinearScale,
+  LineController,
+  LineElement,
+  PointElement,
+  Tooltip,
+} from "chart.js";
+import {Chart} from "vue-chartjs";
+import {latestDailyBalanceValue} from "@/ledger";
+import {ledgerApi} from "@/mammon";
+import {useProcessedResource} from "@/activity";
+import {DailyBalanceResponse} from "@/generated/mammon";
+import {IskLabel} from "@/market";
+import {formatIsk} from "@/formaters";
+import {DualRangeSlider} from "@/components";
+
+ChartJS.register(
+  CategoryScale, LinearScale,
+  LineController, LineElement, PointElement,
+  Tooltip, Legend, Filler,
+);
+
+const props = defineProps<{ ledgerId: string }>();
+
+const dailyBalances = useProcessedResource<DailyBalanceResponse[]>(async () => {
+  if (!props.ledgerId) {
+    return [];
+  }
+
+  const {data} = await ledgerApi.dailyValuationForLedger(props.ledgerId);
+
+  return data;
+}, []);
+
+const dates = computed(() => dailyBalances.value.map(b => b.date));
+
+const from = ref(0);
+const to = ref(0);
+
+watch(dates, d => {
+  from.value = 0;
+  to.value = Math.max(d.length - 1, 0);
+}, {immediate: true});
+
+const maxIndex = computed(() => Math.max(dates.value.length - 1, 0));
+
+const dailyBalanceRange = computed(() => dailyBalances.value.slice(from.value, to.value + 1));
+
+const hasData = computed(() => dailyBalances.value.length > 0);
+
+const baseline = computed(() => dailyBalanceRange.value[0]?.averageValue ?? 0);
+
+const total = computed(() => latestDailyBalanceValue(dailyBalanceRange.value) - baseline.value);
+
+const chartData = computed<ChartData<'line'>>(() => {
+  const highest: ChartDataset<'line'> = {
+    label: 'Highest',
+    data: dailyBalanceRange.value.map(b => b.highestValue - baseline.value),
+    borderColor: 'transparent',
+    backgroundColor: 'rgba(56, 189, 248, 0.15)',
+    pointRadius: 0,
+    tension: 0.2,
+    fill: '+1',
+    order: 2,
+  };
+
+  const lowest: ChartDataset<'line'> = {
+    label: 'Lowest',
+    data: dailyBalanceRange.value.map(b => b.lowestValue - baseline.value),
+    borderColor: 'transparent',
+    backgroundColor: 'rgba(56, 189, 248, 0.15)',
+    pointRadius: 0,
+    tension: 0.2,
+    fill: false,
+    order: 2,
+  };
+
+  const average: ChartDataset<'line'> = {
+    type: 'line',
+    label: 'Average',
+    data: dailyBalanceRange.value.map(b => b.averageValue - baseline.value),
+    borderColor: '#38bdf8',
+    backgroundColor: 'rgba(56, 189, 248, 0.15)',
+    pointBackgroundColor: ctx => (Number(ctx.dataset.data[ctx.dataIndex]) < 0 ? '#f87171' : '#34d399'),
+    pointBorderColor: ctx => (Number(ctx.dataset.data[ctx.dataIndex]) < 0 ? '#f87171' : '#34d399'),
+    segment: {
+      borderColor: ctx => ((ctx.p0.parsed.y ?? 0) < 0 || (ctx.p1.parsed.y ?? 0) < 0 ? '#f87171' : '#34d399'),
+    },
+    fill: false,
+    tension: 0.2,
+    order: 1,
+  };
+
+  return {
+    labels: dailyBalanceRange.value.map(b => b.date),
+    datasets: [highest, lowest, average],
+  };
+});
+
+const chartOptions = computed<ChartOptions<'line'>>(() => ({
+  responsive: true,
+  maintainAspectRatio: false,
+  interaction: {mode: 'index', intersect: false},
+  plugins: {
+    legend: {display: true},
+    tooltip: {
+      callbacks: {
+        label: ctx => `${ctx.dataset.label}: ${formatIsk(ctx.parsed.y ?? 0)}`,
+      },
+    },
+  },
+  scales: {
+    x: {stacked: false},
+    y: {
+      position: 'left',
+      stacked: false,
+      ticks: {
+        callback: value => formatIsk(Number(value)),
+      },
+      grid: {
+        lineWidth: ctx => (ctx.tick.value === 0 ? 2 : 1),
+        color: ctx => (ctx.tick.value === 0 ? 'rgba(226, 232, 240, 0.6)' : 'rgba(148, 163, 184, 0.2)'),
+      },
+    }
+  },
+}));
+</script>
+
+<template>
+  <div class="flex justify-end mb-4">
+    <span class="mr-2">Change:</span>
+    <IskLabel :amount="total" />
+  </div>
+
+  <p v-if="!hasData" class="text-center text-gray-400 mt-8">No daily balance recorded for this ledger</p>
+  <template v-else>
+    <div class="h-96">
+      <Chart type="line" :data="chartData" :options="chartOptions" />
+    </div>
+
+    <div class="flex items-center gap-3 mt-4">
+      <span class="text-sm w-24 text-gray-400">{{ dates[from] }}</span>
+      <DualRangeSlider class="grow" :min="0" :max="maxIndex" v-model:from="from" v-model:to="to" />
+      <span class="text-sm w-24 text-right text-gray-400">{{ dates[to] }}</span>
+    </div>
+  </template>
+</template>
diff --git a/src/pages/ledger/ProfitChart.vue b/src/pages/ledger/ProfitChart.vue
new file mode 100644
index 0000000..1a9f5c9
--- /dev/null
+++ b/src/pages/ledger/ProfitChart.vue
@@ -0,0 +1,154 @@
+<script setup lang="ts">
+import {computed, ref, watch} from "vue";
+import {
+  BarController,
+  BarElement,
+  CategoryScale,
+  Chart as ChartJS,
+  type ChartData,
+  type ChartDataset,
+  type ChartOptions,
+  Filler,
+  Legend,
+  LinearScale,
+  LineController,
+  LineElement,
+  PointElement,
+  Tooltip,
+} from "chart.js";
+import {Chart} from "vue-chartjs";
+import {StatisticsModes, type StatisticsMode} from "@/ledger";
+import {profitApi} from "@/mammon";
+import {useProcessedResource} from "@/activity";
+import {DailyProfitResponse} from "@/generated/mammon";
+import {IskLabel} from "@/market";
+import {formatIsk} from "@/formaters";
+import {DualRangeSlider} from "@/components";
+
+ChartJS.register(
+  CategoryScale, LinearScale,
+  BarController, BarElement,
+  LineController, LineElement, PointElement,
+  Tooltip, Legend, Filler,
+);
+
+const props = defineProps<{ ledgerId: string; mode: StatisticsMode }>();
+
+const profits = useProcessedResource<DailyProfitResponse[]>(async () => {
+  if (!props.ledgerId) {
+    return [];
+  }
+
+  const {data} = props.mode === StatisticsModes.Margin
+    ? await profitApi.marginPerDayInLedger(props.ledgerId)
+    : await profitApi.profitPerDayInLedger(props.ledgerId);
+
+  return data;
+}, []);
+
+const dates = computed(() => profits.value.map(p => p.date));
+
+const from = ref(0);
+const to = ref(0);
+
+watch(dates, d => {
+  from.value = 0;
+  to.value = Math.max(d.length - 1, 0);
+}, {immediate: true});
+
+const maxIndex = computed(() => Math.max(dates.value.length - 1, 0));
+
+const profitRange = computed(() => profits.value.slice(from.value, to.value + 1));
+
+const total = computed(() => profitRange.value.reduce((sum, p) => sum + p.profit, 0));
+
+const hasData = computed(() => profits.value.length > 0);
+
+const cumulativeProfit = computed(() => {
+  let running = 0;
+
+  return profitRange.value.map(p => (running += p.profit));
+});
+
+const chartData = computed<ChartData<'bar' | 'line'>>(() => {
+  const cumulative: ChartDataset<'line'> = {
+    type: 'line',
+    label: 'Cumulative profit',
+    data: cumulativeProfit.value,
+    borderColor: '#38bdf8',
+    backgroundColor: 'rgba(56, 189, 248, 0.15)',
+    pointBackgroundColor: '#38bdf8',
+    fill: true,
+    tension: 0.2,
+    yAxisID: 'y',
+    order: 0,
+  };
+
+  const iskIn: ChartDataset<'bar'> = {
+    type: 'bar',
+    label: 'ISK in',
+    data: profitRange.value.map(p => p.iskIn),
+    backgroundColor: 'rgba(16, 185, 129, 0.7)',
+    yAxisID: 'y',
+    order: 1,
+  };
+
+  const iskOut: ChartDataset<'bar'> = {
+    type: 'bar',
+    label: 'ISK out',
+    data: profitRange.value.map(p => -p.iskOut),
+    backgroundColor: 'rgba(180, 83, 9, 0.7)',
+    yAxisID: 'y',
+    order: 1,
+  };
+
+  return {
+    labels: profitRange.value.map(p => p.date),
+    datasets: [cumulative, iskIn, iskOut],
+  };
+});
+
+const chartOptions = computed<ChartOptions<'bar' | 'line'>>(() => ({
+  responsive: true,
+  maintainAspectRatio: false,
+  interaction: {mode: 'index', intersect: false},
+  plugins: {
+    legend: {display: true},
+    tooltip: {
+      callbacks: {
+        label: ctx => `${ctx.dataset.label}: ${formatIsk(ctx.parsed.y ?? 0)}`,
+      },
+    },
+  },
+  scales: {
+    x: {stacked: true},
+    y: {
+      position: 'left',
+      stacked: true,
+      ticks: {
+        callback: value => formatIsk(Number(value)),
+      },
+    }
+  },
+}));
+</script>
+
+<template>
+  <div class="flex justify-end mb-4">
+    <span class="mr-2">Total profit:</span>
+    <IskLabel :amount="total" />
+  </div>
+
+  <p v-if="!hasData" class="text-center text-gray-400 mt-8">No trade profit recorded for this ledger</p>
+  <template v-else>
+    <div class="h-96">
+      <Chart type="bar" :data="chartData" :options="chartOptions" />
+    </div>
+
+    <div class="flex items-center gap-3 mt-4">
+      <span class="text-sm w-24 text-gray-400">{{ dates[from] }}</span>
+      <DualRangeSlider class="grow" :min="0" :max="maxIndex" v-model:from="from" v-model:to="to" />
+      <span class="text-sm w-24 text-right text-gray-400">{{ dates[to] }}</span>
+    </div>
+  </template>
+</template>
diff --git a/src/pages/ledger/ViewLedger.vue b/src/pages/ledger/ViewLedger.vue
index 87276c8..4550011 100644
--- a/src/pages/ledger/ViewLedger.vue
+++ b/src/pages/ledger/ViewLedger.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import {RouterLink, RouterView} from 'vue-router';
-import {appraiseItemBalances, getLedgerBalance, isMain, LedgerLabel, useLedgerParam} from "@/ledger";
+import {appraiseItemBalances, getLedgerBalance, LedgerLabel, useLedgerParam} from "@/ledger";
 import {routeNames} from "@/routes.ts";
 import {getMarketTypes, getPrices, IskLabel} from "@/market";
 import {useMarketLocationStore} from '@/market/location';
@@ -53,7 +53,7 @@ const itemAppraisal = computedAsync(async () => {
       <RouterLink :to="{name: routeNames.listLedgerAcquisitions}" class="tab">
         <span>Acquisitions</span>
       </RouterLink>
-      <RouterLink v-if="isMain(ledger)" :to="{name: routeNames.viewLedgerStatistics}" class="tab">
+      <RouterLink :to="{name: routeNames.viewLedgerStatistics}" class="tab">
         <span>Statistics</span>
       </RouterLink>
     </div>
diff --git a/src/pages/ledger/ViewLedgerStatistics.vue b/src/pages/ledger/ViewLedgerStatistics.vue
index 7c1bb23..e1d1326 100644
--- a/src/pages/ledger/ViewLedgerStatistics.vue
+++ b/src/pages/ledger/ViewLedgerStatistics.vue
@@ -1,174 +1,39 @@
 <script setup lang="ts">
-import {computed, ref, watch} from "vue";
-import {
-  BarController,
-  BarElement,
-  CategoryScale,
-  Chart as ChartJS,
-  type ChartData,
-  type ChartDataset,
-  type ChartOptions,
-  Filler,
-  Legend,
-  LinearScale,
-  LineController,
-  LineElement,
-  PointElement,
-  Tooltip,
-} from "chart.js";
-import {Chart} from "vue-chartjs";
-import {useLedgerParam} from "@/ledger";
-import {profitApi} from "@/mammon";
-import {useProcessedResource} from "@/activity";
-import {DailyProfitResponse} from "@/generated/mammon";
-import {IskLabel} from "@/market";
-import {formatIsk} from "@/formaters";
-import {DualRangeSlider} from "@/components";
+import {ref, watch} from "vue";
+import {isMain, resolveStatisticsMode, StatisticsModes, type StatisticsMode, useLedgerParam} from "@/ledger";
+import DailyBalanceChart from "./DailyBalanceChart.vue";
+import ProfitChart from "./ProfitChart.vue";
 
-ChartJS.register(
-  CategoryScale, LinearScale,
-  BarController, BarElement,
-  LineController, LineElement, PointElement,
-  Tooltip, Legend, Filler,
-);
+const {ledgerId, ledger} = useLedgerParam();
 
-const {ledgerId} = useLedgerParam();
+const mode = ref<StatisticsMode>(StatisticsModes.DailyBalance);
 
-const ProfitModes = {
-  CashFlow: 'CASH_FLOW',
-  Margin: 'MARGIN',
-} as const;
-type ProfitMode = typeof ProfitModes[keyof typeof ProfitModes];
-
-const mode = ref<ProfitMode>(ProfitModes.CashFlow);
-
-const profits = useProcessedResource<DailyProfitResponse[]>(async () => {
-  if (!ledgerId.value) {
-    return [];
+watch(ledger, l => {
+  if (l) {
+    mode.value = resolveStatisticsMode(l, mode.value);
   }
-
-  const {data} = mode.value === ProfitModes.Margin
-    ? await profitApi.marginPerDayInLedger(ledgerId.value)
-    : await profitApi.profitPerDayInLedger(ledgerId.value);
-
-  return data;
-}, []);
-
-const from = ref(0);
-const to = ref(0);
-
-watch(() => profits.value.length, length => {
-  from.value = 0;
-  to.value = Math.max(length - 1, 0);
 }, {immediate: true});
 
-const maxIndex = computed(() => Math.max(profits.value.length - 1, 0));
-
-const range = computed(() => profits.value.slice(from.value, to.value + 1));
-
-const total = computed(() => range.value.reduce((sum, p) => sum + p.profit, 0));
-
-const cumulativeProfit = computed(() => {
-  let running = 0;
-
-  return range.value.map(p => (running += p.profit));
-});
-
-const chartData = computed<ChartData<'bar' | 'line'>>(() => {
-  const cumulative: ChartDataset<'line'> = {
-    type: 'line',
-    label: 'Cumulative profit',
-    data: cumulativeProfit.value,
-    borderColor: '#38bdf8',
-    backgroundColor: 'rgba(56, 189, 248, 0.15)',
-    pointBackgroundColor: '#38bdf8',
-    fill: true,
-    tension: 0.2,
-    yAxisID: 'y',
-    order: 0,
-  };
-
-  const iskIn: ChartDataset<'bar'> = {
-    type: 'bar',
-    label: 'ISK in',
-    data: range.value.map(p => p.iskIn),
-    backgroundColor: 'rgba(16, 185, 129, 0.7)',
-    yAxisID: 'y',
-    order: 1,
-  };
-
-  const iskOut: ChartDataset<'bar'> = {
-    type: 'bar',
-    label: 'ISK out',
-    data: range.value.map(p => -p.iskOut),
-    backgroundColor: 'rgba(180, 83, 9, 0.7)',
-    yAxisID: 'y',
-    order: 1,
-  };
-
-  return {
-    labels: range.value.map(p => p.date),
-    datasets: [cumulative, iskIn, iskOut],
-  };
-});
-
-const chartOptions = computed<ChartOptions<'bar' | 'line'>>(() => ({
-  responsive: true,
-  maintainAspectRatio: false,
-  interaction: {mode: 'index', intersect: false},
-  plugins: {
-    legend: {display: true},
-    tooltip: {
-      callbacks: {
-        label: ctx => `${ctx.dataset.label}: ${formatIsk(Math.abs(ctx.parsed.y ?? 0))}`,
-      },
-    },
-  },
-  scales: {
-    x: {
-      stacked: true,
-    },
-    y: {
-      position: 'left',
-      stacked: true,
-      ticks: {
-        callback: value => formatIsk(Math.abs(Number(value))),
-      },
-    }
-  },
-}));
+const isDailyBalance = (mode: StatisticsMode): mode is typeof StatisticsModes.DailyBalance =>
+  mode === StatisticsModes.DailyBalance;
 </script>
 
 <template>
-  <div class="mt-4">
-    <div class="flex justify-center mb-4">
+  <div v-if="ledger" class="mt-4">
+    <div v-if="isMain(ledger)" class="flex justify-center mb-4">
       <div class="flex bg-slate-600 rounded-s-md p-1">
-        <button class="switch" :class="{active: mode === ProfitModes.CashFlow}" @click="mode = ProfitModes.CashFlow">Cash Flow</button>
+        <button class="switch" :class="{active: mode === StatisticsModes.DailyBalance}" @click="mode = StatisticsModes.DailyBalance">Daily Balance</button>
       </div>
-      <div class="switch flex bg-slate-600 rounded-e-md p-1">
-        <button class="switch" :class="{active: mode === ProfitModes.Margin}" @click="mode = ProfitModes.Margin">Margin</button>
+      <div class="flex bg-slate-600 p-1">
+        <button class="switch" :class="{active: mode === StatisticsModes.Margin}" @click="mode = StatisticsModes.Margin">Margin</button>
+      </div>
+      <div class="flex bg-slate-600 rounded-e-md p-1">
+        <button class="switch" :class="{active: mode === StatisticsModes.CashFlow}" @click="mode = StatisticsModes.CashFlow">Cash Flow</button>
       </div>
     </div>
 
-    <div class="flex justify-end mb-4">
-      <span class="mr-2">Total profit:</span>
-      <IskLabel :amount="total" />
-    </div>
-
-    <p v-if="profits.length === 0" class="text-center text-gray-400 mt-8">
-      No trade profit recorded for this ledger
-    </p>
-    <template v-else>
-      <div class="h-96">
-        <Chart type="bar" :data="chartData" :options="chartOptions" />
-      </div>
-
-      <div class="flex items-center gap-3 mt-4">
-        <span class="text-sm w-24 text-gray-400">{{ profits[from]?.date }}</span>
-        <DualRangeSlider class="grow" :min="0" :max="maxIndex" v-model:from="from" v-model:to="to" />
-        <span class="text-sm w-24 text-right text-gray-400">{{ profits[to]?.date }}</span>
-      </div>
-    </template>
+    <DailyBalanceChart v-if="isDailyBalance(mode)" :ledger-id="ledgerId" />
+    <ProfitChart v-else :ledger-id="ledgerId" :mode="mode" />
   </div>
 </template>
 
@@ -182,4 +47,3 @@ button.switch {
   }
 }
 </style>
-