From e16062569d34755b1bae77aed75d4ef3992b01b9 Mon Sep 17 00:00:00 2001
From: Djuri Baars <dsbaars@users.noreply.github.com>
Date: Tue, 15 Apr 2025 23:21:34 +0200
Subject: [PATCH] feat: Add LNBits multi-currency support

---
 .../settings/DataSourceSettings.svelte        | 26 ++++++++++++++
 .../settings/ScreenSpecificSettings.svelte    | 36 +++++++++++++++++--
 src/lib/locales/en.json                       |  4 ++-
 3 files changed, 62 insertions(+), 4 deletions(-)

diff --git a/src/lib/components/settings/DataSourceSettings.svelte b/src/lib/components/settings/DataSourceSettings.svelte
index 5891573..1166625 100644
--- a/src/lib/components/settings/DataSourceSettings.svelte
+++ b/src/lib/components/settings/DataSourceSettings.svelte
@@ -138,5 +138,31 @@
 				size={$uiSettings.inputSize}
 			/>
 		{/if}
+		<Row>
+			<SettingsSwitch
+				id="lnbitsEnabled"
+				bind:checked={$settings.lnbitsEnabled}
+				label="{$_('section.settings.lnbitsEnabled')} ({$_('restartRequired')})"
+				size={$uiSettings.inputSize}
+			/>
+		</Row>
+		{#if $settings.lnbitsEnabled}
+			<SettingsInput
+				id="lnbitsInstance"
+				label={$_('section.settings.lnbitsInstance')}
+				bind:value={$settings.lnbitsInstance}
+				required={true}
+				size={$uiSettings.inputSize}
+			>
+				<InputGroupText>
+					<Input
+						type="checkbox"
+						bind:checked={$settings.lnbitsHttps}
+						bsSize={$uiSettings.inputSize}
+					/>
+					HTTPS
+				</InputGroupText>
+			</SettingsInput>
+		{/if}
 	</ToggleHeader>
 </Row>
diff --git a/src/lib/components/settings/ScreenSpecificSettings.svelte b/src/lib/components/settings/ScreenSpecificSettings.svelte
index bae67df..4aa703b 100644
--- a/src/lib/components/settings/ScreenSpecificSettings.svelte
+++ b/src/lib/components/settings/ScreenSpecificSettings.svelte
@@ -5,9 +5,39 @@
 	import ToggleHeader from '../ToggleHeader.svelte';
 	import { uiSettings } from '$lib/uiSettings';
 	import { DataSourceType } from '$lib/types/dataSource';
+	import { onMount } from 'svelte';
 
 	export let settings;
 	export let isOpen = false;
+
+	let availableCurrencies: string[] = [];
+	let prevLnbitsEnabled: boolean;
+
+	function updateCurrencies(enabled: boolean) {
+		if (enabled) {
+			fetch(`https://${$settings.lnbitsInstance}/api/v1/currencies`)
+				.then((res) => res.json())
+				.then((data) => {
+					availableCurrencies = data;
+				});
+		} else {
+			// Remove any currencies from actCurrencies that aren't in availableCurrencies
+			$settings.actCurrencies = $settings.actCurrencies.filter((curr: string) =>
+				$settings.availableCurrencies.includes(curr)
+			);
+			availableCurrencies = $settings.availableCurrencies;
+		}
+	}
+
+	onMount(() => {
+		prevLnbitsEnabled = $settings.lnbitsEnabled;
+		updateCurrencies($settings.lnbitsEnabled);
+	});
+
+	$: if (prevLnbitsEnabled !== $settings.lnbitsEnabled) {
+		prevLnbitsEnabled = $settings.lnbitsEnabled;
+		updateCurrencies($settings.lnbitsEnabled);
+	}
 </script>
 
 <Row>
@@ -104,9 +134,9 @@
 			<Row>
 				<h5>{$_('section.settings.currencies')}</h5>
 				<small>{$_('restartRequired')}</small>
-				{#if $settings.availableCurrencies}
-					{#each $settings.availableCurrencies as c}
-						<Col md="6" xl="12" xxl="6">
+				{#if availableCurrencies}
+					{#each availableCurrencies as c}
+						<Col md="6" xl="3" xxl="3">
 							<div class="form-check form-control-{$uiSettings.inputSize}">
 								<input
 									id="currency_{c}"
diff --git a/src/lib/locales/en.json b/src/lib/locales/en.json
index 302de09..7517f3e 100644
--- a/src/lib/locales/en.json
+++ b/src/lib/locales/en.json
@@ -90,7 +90,9 @@
 			"dndStartHour": "Start hour",
 			"dndStartMinute": "Start minute",
 			"dndEndHour": "End hour",
-			"dndEndMinute": "End minute"
+			"dndEndMinute": "End minute",
+			"lnbitsEnabled": "LNBits multi-currency integration",
+			"lnbitsInstance": "LNbits instance hostname"
 		},
 		"control": {
 			"systemInfo": "System info",