everything refactored

app/(tabs)/stats/index.tsx

@@ -1,61 +1,69 @@
-import { Query } from 'expo-sqlite';
-import { StyleSheet, Text, View } from 'react-native';
-import { addCategory, deleteDatabase, deleteExpenses, executeQuery, initDatabase } from '../../../services/database';
+import React from 'react';
+import { StyleSheet, View, ScrollView } from 'react-native';
+import BudgetOverview from '../../../components/stats/BudgetOverview';
+import { useTheme } from '../../contexts/ThemeContext';
+import Widget from '../../../components/stats/Widget';
+import CategoryProgressBarList from '../../../components/stats/CategoryProgressBarList';
+import BudgetRemaining from '../../../components/stats/BudgetRemaining';
+import DebugMenu from '../../../services/DebugMenu';
 
 export default function Page() {
+    const { colors } = useTheme();
+
+    // Mock data #TODO Database einbinden
+    // what to do when amount too small?
+
+    const spent = 120.75;
+    const budget = 696.96;
+
+    const BudgetData = [
+        { name: 'Utilities', color: '#20B2AA', maxValue: 80, currentValue: 46 },
+        { name: 'Food', color: '#FF6347', maxValue: 88, currentValue: 31 },
+    ];
+
+    const SavingsData = [
+        { name: 'Education', color: '#FF6347', maxValue: 135, currentValue: 0 },
+        { name: 'Rent', color: '#DA70D6', maxValue: 140, currentValue: 96 },
+        { name: 'Food', color: '#F08080', maxValue: 84, currentValue: 78 },
+        { name: 'Healthcare', color: '#20B2AA', maxValue: 134, currentValue: 48 },
+        { name: 'Healthcare', color: '#32CD32', maxValue: 119, currentValue: 69 },
+        { name: 'Clothing', color: '#32CD32', maxValue: 115, currentValue: 99 },
+    ];
+
+    const categoryData = [
+        { category: 'Food', value: 50 },
+        { category: 'Rent', value: 300 },
+        { category: 'Utilities', value: 100 },
+    ];
+
     const styles = StyleSheet.create({
         container: {
             flex: 1,
-            justifyContent: 'space-evenly',
+            backgroundColor: colors.backgroundColor,
+            marginTop: 50,
             alignItems: 'center',
         },
-        text: {
-            fontSize: 40,
-            color: "yellow",
-        }
     });
 
     return (
-    <View style={styles.container}>
-        <Text style={styles.text} onPress={() => {
-            deleteExpenses().then(() => {
-                console.log("Expenses Deleted!");
-            })
-        }}>Reset Expenses</Text>
-        
-        <Text style={styles.text} onPress={() => {
-            deleteDatabase();
-            console.log("Database Deleted!");
-        }}>Reset Database</Text>
-
-        <Text style={styles.text} onPress={() => {
-            initDatabase().then(() => {
-                console.log("Database Initialized!");
-            });
-        }}>Init Database</Text>
-
-        <Text style={styles.text} onPress={() => {
-            addCategory("Category", "green", "expense", 500).then(() => {
-                const getCategoryQuery: Query = {sql: "SELECT guid FROM category", args: []};
-                executeQuery(getCategoryQuery).then((result) => {
-                    if("rows" in result[0]) {
-                        console.log(result[0]["rows"]);
-                    }
-                })
-                console.log("Category added with success!");
-            })
-        }}>Add new Category Expense</Text>
-
-        <Text style={styles.text} onPress={() => {
-            addCategory("Category", "yellow", "saving", 420).then(() => {
-                const getCategoryQuery: Query = {sql: "SELECT guid FROM category", args: []};
-                executeQuery(getCategoryQuery).then((result) => {
-                    if("rows" in result[0]) {
-                        console.log(result[0]["rows"]);
-                    }
-                })
-                console.log("Category added with success!");
-            })
-        }}>Add new Category Savings</Text>
-    </View>);
+        <View style={styles.container}>
+            <ScrollView>
+                <DebugMenu />
+                <Widget title="Budget Overview" />
+                <Widget>
+                    <BudgetRemaining budget={budget} spent={spent} />
+                </Widget>
+                <Widget text='#TODO Insert Pie-Chart' image='../../../assets/images/8b14el.jpg'/>
+                <Widget>
+                    <BudgetOverview budget={budget} spent={spent} />
+                </Widget>
+                <Widget title="Budget Progress">
+                    <CategoryProgressBarList categories={BudgetData} />
+                </Widget>
+                <Widget title="Savings Progress">
+                    <CategoryProgressBarList categories={SavingsData} />
+                </Widget>
+            </ScrollView>
+        </View>
+    );
 }

components/stats/BudgetOverview.tsx

@@ -0,0 +1,38 @@
+import React from 'react';
+import { View, Text, StyleSheet } from 'react-native';
+import { useTheme } from '../../app/contexts/ThemeContext';
+
+interface StatsBudgetProps {
+    spent: number;
+    budget: number;
+}
+
+const BudgetOverview: React.FC<StatsBudgetProps> = ({ spent, budget }) => {
+    const { colors } = useTheme();
+
+    const styles = StyleSheet.create({
+        container: {
+            margin: 10,
+            borderRadius: 5,
+            alignItems: 'center',
+            justifyContent: 'center',
+        },
+        text: {
+            fontSize: 26,
+            color: colors.primaryText,
+        },
+        boldText: {
+            fontWeight: 'bold',
+        },
+    });
+
+    return (
+        <View style={styles.container}>
+            <Text style={styles.text}>
+                You have spent <Text style={styles.boldText}>{spent.toFixed(2)}€</Text> out of your budget of <Text style={styles.boldText}>{budget.toFixed(2)}€</Text>.
+            </Text>
+        </View>
+    );
+};
+
+export default BudgetOverview

components/stats/BudgetRemaining.tsx

@@ -0,0 +1,38 @@
+import React from 'react';
+import { Text, StyleSheet } from 'react-native';
+import { useTheme } from '../../app/contexts/ThemeContext';
+
+interface BudgetRemainingProps {
+    budget: number;
+    spent: number;
+}
+
+const BudgetRemaining: React.FC<BudgetRemainingProps> = ({ budget, spent }) => {
+    const { colors, theme } = useTheme();
+
+    const remaining = budget - spent;
+
+    const styles = StyleSheet.create({
+        container: {
+            margin: 10,
+            borderRadius: 5,
+            alignItems: 'center',
+            justifyContent: 'center',
+        },
+        text: {
+            fontSize: 26,
+            color: colors.primaryText,
+        },
+        boldText: {
+            fontWeight: 'bold',
+        },
+    });
+
+    return (
+        <Text style={styles.text}>
+            You have <Text style={styles.boldText}>{remaining.toFixed(2)}€</Text> left.
+        </Text>
+    );
+};
+
+export default BudgetRemaining;

components/stats/CategoryProgressBar.tsx

@@ -0,0 +1,69 @@
+import React from 'react';
+import { View, Text, StyleSheet } from 'react-native';
+import { useTheme } from '../../app/contexts/ThemeContext';
+
+interface CategoryProgressBarProps {
+    categoryName: string;
+    color?: string;
+    maxValue: number;
+    currentValue: number;
+}
+
+const CategoryProgressBar: React.FC<CategoryProgressBarProps> = ({
+    categoryName,
+    color,
+    maxValue,
+    currentValue,
+}) => {
+    const { colors } = useTheme();
+
+    const progress = (currentValue / maxValue) * 100;
+    const progressText = `${currentValue}€ / ${maxValue}€`;
+
+    const dynamicStyles = StyleSheet.create({
+        progressBarFill: {
+            height: '100%',
+            width: `${progress}%`,
+            backgroundColor: color || colors.accentColor,
+            alignItems: 'center',
+            justifyContent: 'center',
+        },
+        progressText: {
+            color: colors.primaryText,
+            fontSize: 20,
+            fontWeight: 'bold',
+        },
+    });
+
+    const styles = StyleSheet.create({
+        container: {
+            padding: 10,
+        },
+        progressBarContainer: {
+            flexDirection: 'row',
+            height: 50,
+            backgroundColor: colors.elementSelectedColor,
+            borderRadius: 15,
+            overflow: 'hidden',
+            marginTop: 4,
+        },
+        categoryName: {
+            color: colors.primaryText,
+            fontSize: 20,
+            fontWeight: 'bold',
+        },
+    });
+
+    return (
+        <View style={styles.container}>
+            <Text style={styles.categoryName}>{categoryName}</Text>
+            <View style={styles.progressBarContainer}>
+                <View style={dynamicStyles.progressBarFill}>
+                    <Text style={dynamicStyles.progressText}>{progressText}</Text>
+                </View>
+            </View>
+        </View>
+    );
+};
+
+export default CategoryProgressBar;

components/stats/CategoryProgressBarList.tsx

@@ -0,0 +1,61 @@
+import React, { useState } from 'react';
+import { View, Text, Button, StyleSheet, TouchableOpacity } from 'react-native';
+import CategoryProgressBar from './CategoryProgressBar';
+import { useTheme } from '../../app/contexts/ThemeContext';
+
+interface CategoryItem {
+    name: string;
+    color: string;
+    maxValue: number;
+    currentValue: number;
+}
+
+interface CategoryProgressBarListProps {
+    categories: CategoryItem[];
+}
+
+const MAX_VISIBLE_BARS = 4;
+
+const CategoryProgressBarList: React.FC<CategoryProgressBarListProps> = ({ categories }) => {
+    const [visibleBars, setVisibleBars] = useState(MAX_VISIBLE_BARS);
+
+    const showMore = () => {
+        setVisibleBars(prevVisibleBars => prevVisibleBars + MAX_VISIBLE_BARS);
+    };
+
+    return (
+        <View>
+            {categories.slice(0, visibleBars).map((category, index) => (
+                <CategoryProgressBar
+                    key={index}
+                    categoryName={category.name}
+                    color={category.color}
+                    maxValue={category.maxValue}
+                    currentValue={category.currentValue}
+                />
+            ))}
+            {visibleBars < categories.length && (
+                <TouchableOpacity style={styles.showMoreButton} onPress={showMore}>
+                    <Text style={styles.buttonText}>Show More</Text>
+                </TouchableOpacity>
+            )}
+        </View>
+    );
+};
+
+const styles = StyleSheet.create({
+    showMoreButton: {
+        backgroundColor: '#EF6C00',
+        padding: 10,
+        borderRadius: 5,
+        margin: 10,
+        alignItems: 'center',
+    },
+    buttonText: {
+        color: 'white',
+        fontSize: 16,
+        fontWeight: 'bold',
+    },
+});
+
+export default CategoryProgressBarList;

components/stats/PieChart.tsx

@@ -0,0 +1 @@
+//honestly just fuck graphs

components/stats/Widget.tsx

@@ -0,0 +1,63 @@
+import React, { ReactNode } from 'react';
+import { View, StyleSheet, Text, Image } from 'react-native'; // Add the missing import statement for Image
+import { useTheme } from '../../app/contexts/ThemeContext';
+
+interface WidgetProps {
+    title?: string;
+    text?: string;
+    children?: ReactNode;
+    image?: string;
+}
+
+const Widget: React.FC<WidgetProps> = ({ title, text, children, image }) => { // Add the 'image' prop to the destructuring
+    const { colors } = useTheme();
+
+    const styles = StyleSheet.create({
+        widgetContainer: {
+            backgroundColor: colors.widgetBackgroundColor,
+            borderColor: colors.widgetBorderColor,
+            borderRadius: 5,
+            padding: 16,
+            marginVertical: 8,
+            marginHorizontal: 10,
+            shadowColor: '#000',
+            shadowOffset: {
+                width: 0,
+                height: 1,
+            },
+            shadowOpacity: 0.22,
+            shadowRadius: 2.22,
+            elevation: 3,
+        },
+        widgetTitle: {
+            color: colors.primaryText,
+            fontSize: 26,
+            fontWeight: 'bold',
+            marginBottom: 8,
+            textAlign: 'center',
+        },
+        widgetText: {
+            color: colors.primaryText,
+            fontSize: 16,
+            marginBottom: 8,
+            textAlign: 'center',
+        },
+        imageStyle: {
+            width: '100%',
+            height: 200,
+            borderRadius: 5,
+            marginBottom: 8,
+        },
+    });
+
+    return (
+        <View style={styles.widgetContainer}>
+            {!!title && <Text style={styles.widgetTitle}>{title}</Text>}
+            {!!text && <Text style={styles.widgetText}>{text}</Text>}
+            {!!image && <Image source={{ uri: image }} style={styles.imageStyle} />}
+            {children}
+        </View>
+    );
+};
+
+export default Widget;

constants/colors.ts

@@ -12,6 +12,9 @@ export default {
         elementDefaultColor: "#E0E0E0",
         elementSelectedColor: "#9E9E9E",
         accentColor: "#EF6C00",
+
+        widgetBackgroundColor: "#F7F7F7",
+        widgetBorderColor: "#E0E0E0",
     },
     dark: {
         primaryText: "#FFFFFF",
@@ -26,5 +29,8 @@ export default {
         elementDefaultColor: "#535353",
         elementSelectedColor: "#B3B3B3",
         accentColor: "#EF6C00",
+
+        widgetBackgroundColor: "#252525",
+        widgetBorderColor: "#535353",
     }
 }

services/DebugMenu.tsx

@@ -0,0 +1,73 @@
+import React from 'react';
+import { View, Button, Alert } from 'react-native';
+import { addCategory, addExpense, deleteExpenses, deleteCategories, DEV_populateDatabase } from './database';
+import uuid from 'react-native-uuid';
+
+const randomColors = ["red", "blue", "green", "purple", "yellow"];
+
+const getRandomColor = () => {
+    return randomColors[Math.floor(Math.random() * randomColors.length)];
+};
+
+const getRandomName = () => {
+    return `RandomName-${Math.floor(Math.random() * 1000)}`;
+};
+
+const getRandomNumber = () => {
+    return Math.floor(Math.random() * 1000);
+};
+
+const DebugMenu = () => {
+
+    const handleNukeDatabase = () => {
+        return deleteExpenses(), deleteCategories()
+    };
+
+    const handlePopulateDatabase = () => {
+        return DEV_populateDatabase()
+    };
+
+    const handleDeleteExpenses = () => {
+        return deleteExpenses();
+    }
+    const handleDeleteCategories = () => {
+        return deleteCategories();
+    }
+
+//for some reason this function does not work
+    const handleAddCategory = () => {
+        const name = getRandomName();
+        const color = getRandomColor();
+        const allocated_amount = getRandomNumber();
+        const type = "expense";
+
+        addCategory(name, color, type, allocated_amount)
+            .then(() => Alert.alert("Category Added", `Name: ${name}, Color: ${color}`))
+            .catch((error: any) => console.error("Error adding category: ", error));
+    };
+
+//for some reason this function does not work
+    const handleAddExpense = () => {
+        const name = getRandomName();
+        const categoryGuid = uuid.v4().toString();
+        const datetime = new Date().toISOString();
+        const amount = Math.floor(Math.random() * 1000);
+
+        addExpense(name, categoryGuid, datetime, amount)
+            .then(() => Alert.alert("Expense Added", `Name: ${name}, Amount: ${amount}`))
+            .catch((error: any) => console.error("Error adding expense: ", error));
+    };
+
+    return (
+        <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
+            <Button title="Nuke Database" onPress={handleNukeDatabase} />
+            <Button title="DEV_populateDatabase" onPress={handlePopulateDatabase} />
+            <Button title="Delete All Expenses" onPress={handleDeleteExpenses} />
+            <Button title="Delete All Categories" onPress={handleDeleteCategories} />
+            <Button title="Add Random Category" onPress={handleAddCategory} />
+            <Button title="Add Random Expense" onPress={handleAddExpense} />
+        </View>
+    );
+};
+
+export default DebugMenu;