update theme dark, light mode

components/theme-toggle.tsx

@@ -0,0 +1,109 @@
+/**
+ * Theme Toggle Component for switching between light, dark, and system themes
+ */
+
+import React from "react";
+import { View, TouchableOpacity, StyleSheet } from "react-native";
+import { ThemedText } from "@/components/themed-text";
+import { useThemeContext } from "@/hooks/use-theme-context";
+import { useI18n } from "@/hooks/use-i18n";
+import { Ionicons } from "@expo/vector-icons";
+
+interface ThemeToggleProps {
+  style?: any;
+}
+
+export function ThemeToggle({ style }: ThemeToggleProps) {
+  const { themeMode, setThemeMode, colors } = useThemeContext();
+  const { t } = useI18n();
+
+  const themeOptions = [
+    {
+      mode: "light" as const,
+      label: t("common.theme_light"),
+      icon: "sunny-outline" as const,
+    },
+    {
+      mode: "dark" as const,
+      label: t("common.theme_dark"),
+      icon: "moon-outline" as const,
+    },
+    {
+      mode: "system" as const,
+      label: t("common.theme_system"),
+      icon: "phone-portrait-outline" as const,
+    },
+  ];
+
+  return (
+    <View
+      style={[styles.container, style, { backgroundColor: colors.surface }]}
+    >
+      <ThemedText style={styles.title}>{t("common.theme")}</ThemedText>
+      <View style={styles.optionsContainer}>
+        {themeOptions.map((option) => (
+          <TouchableOpacity
+            key={option.mode}
+            style={[
+              styles.option,
+              {
+                backgroundColor:
+                  themeMode === option.mode
+                    ? colors.primary
+                    : colors.backgroundSecondary,
+                borderColor: colors.border,
+              },
+            ]}
+            onPress={() => setThemeMode(option.mode)}
+          >
+            <Ionicons
+              name={option.icon}
+              size={20}
+              color={themeMode === option.mode ? "#fff" : colors.icon}
+            />
+            <ThemedText
+              style={[
+                styles.optionText,
+                { color: themeMode === option.mode ? "#fff" : colors.text },
+              ]}
+            >
+              {option.label}
+            </ThemedText>
+          </TouchableOpacity>
+        ))}
+      </View>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    padding: 16,
+    borderRadius: 12,
+    marginVertical: 8,
+  },
+  title: {
+    fontSize: 16,
+    fontWeight: "600",
+    marginBottom: 12,
+  },
+  optionsContainer: {
+    flexDirection: "row",
+    gap: 8,
+  },
+  option: {
+    flex: 1,
+    flexDirection: "row",
+    alignItems: "center",
+    justifyContent: "center",
+    paddingVertical: 12,
+    paddingHorizontal: 8,
+    borderRadius: 8,
+    borderWidth: 1,
+    gap: 6,
+  },
+  optionText: {
+    fontSize: 14,
+    fontWeight: "500",
+  },
+});