System Requirements Document (SRD) for Sage-Finance

1. Introduction

Welcome to the System Requirements Document (SRD) for Sage-Finance, an AI-powered personal finance and expense tracking system designed to cater to both individual users and small businesses. Sage-Finance aims to revolutionize financial management by combining intuitive design, powerful analytics, and actionable AI-driven insights. This document outlines the system's functional and non-functional requirements, user personas, design concepts, and technical specifications to ensure a robust, scalable, and user-friendly application.

The system will be tailored to the needs of users in Pakistan (PK), with PKR as the default currency and locale-specific considerations for financial insights and reporting. The project will also support global scalability for future expansion.

2. System Overview

Sage-Finance is a web and mobile application that empowers users to manage their finances effectively. By leveraging AI, the system provides personalized insights, helping users make informed financial decisions. The platform supports two primary user roles: Individuals and Businesses, offering customized dashboards and features for each.

Key features include:

• Secure authentication with email, password, and Google OAuth.
• A dynamic dashboard displaying financial summaries and visualizations.
• Comprehensive transaction management with categorization and filtering.
• Budget management tools with progress tracking.
• AI-powered insights for smarter financial planning.
• Responsive, modern UI/UX with dark mode as the default theme.

3. Functional Requirements

Authentication System

• As a User, I should be able to sign up and log in using email and password.
• As a User, I should be able to log in using my Google account.
• As a User, I should have secure JWT-based authentication for accessing protected routes.

User Dashboard

• As a User, I should see my total balance, monthly income, monthly expenses, and savings on the dashboard.
• As a User, I should see a pie chart showing expense categories.
• As a User, I should see a line chart showing monthly financial trends.

Transactions System

• As a User, I should be able to add, edit, and delete transactions.
• As a User, I should be able to categorize transactions as income or expense.
• As a User, I should be able to filter transactions by date and category.
• As a User, I should be able to add details to transactions, including amount, category, date, and notes.

Budget Management

• As a User, I should be able to set a monthly budget.
• As a User, I should be able to set category-wise budget limits.
• As a User, I should see progress bars indicating budget usage (e.g., 70% used).

AI Insights Feature

• As a User, I should receive AI-generated insights based on my transactions.
• As a User, I should receive suggestions for saving money, such as "You can save 5000 PKR if you reduce dining out."

User Roles

• As an Individual User, I should have a dashboard focused on personal budgeting, savings, and lifestyle-related insights.
• As a Business User, I should have a dashboard focused on expense summaries, category budgets, and tax-related insights.

Settings Page

• As a User, I should be able to update my profile information.
• As a User, I should be able to select my preferred currency (default: PKR).
• As a User, I should be able to toggle between dark and light mode.

4. User Personas

Individual User

• Description: A person managing personal finances, tracking expenses, and planning savings.
• Goals: Budgeting, saving money, and understanding spending habits.
• Key Features: Personal dashboard, savings insights, and lifestyle-related financial advice.

Business User

• Description: A small business owner or manager tracking expenses, budgets, and financial performance.
• Goals: Expense categorization, tax reporting, and budget management.
• Key Features: Business-focused dashboard, category budgets, and expense summaries.

5. Visuals Colors and Theme

Unique Color Palette

• Background: #F5F7FA (Soft Cloud White)
• Surface: #FFFFFF (Pure White)
• Text: #1F2937 (Charcoal Gray)
• Accent: #4CAF50 (Emerald Green)
• Muted: #9CA3AF (Cool Gray)

Theme

The design will feature a clean, modern aesthetic with dark mode as the default. The color palette is chosen to evoke trust, clarity, and financial stability.

6. Signature Design Concept

The Sage-Finance homepage will feature an interactive financial journey map. Upon landing, users will see a dynamic, animated timeline that represents their financial journey.

Key Features:

1. Interactive Timeline:

   • A horizontal scrollable timeline with key milestones (e.g., "First Budget Set," "Savings Goal Achieved," "Expense Reduced by 20%").
   • Each milestone will have a clickable icon that expands into a card with detailed insights and tips.

2. AI-Powered Animations:

   • The background will feature a subtle, flowing animation of currency symbols (e.g., PKR, USD) and financial graphs that shift in real-time based on the user's data.

3. Micro-Interactions:

   • Hovering over elements will trigger smooth transitions, such as expanding cards or highlighting specific data points on charts.

4. Personalized Greeting:

   • A warm, AI-generated greeting like "Good Morning, Khokhar! Here's your financial snapshot for today."

5. Dark Mode Default:

   • The homepage will default to dark mode with an option to toggle to light mode, ensuring a visually comfortable experience.

This design will create an engaging and memorable first impression, encouraging users to explore the platform further.

7. Non-Functional Requirements

• Performance: The system should handle up to 10,000 concurrent users with minimal latency.
• Scalability: The architecture should support future expansion, including additional user roles and features.
• Security: All sensitive data must be encrypted, and the system must comply with GDPR and other relevant regulations.
• Availability: The system should maintain 99.9% uptime.
• Localization: Default currency is PKR, with support for other currencies in the future.

8. Tech Stack

Frontend

• React (Next.js preferred) for web application.
• Tailwind CSS for styling.

Backend

• Node.js with Express or Next.js API routes.

Database

• MongoDB with Mongoose for schema management.

Authentication

• JWT for secure authentication.
• Google OAuth for social login.

Charts

• Recharts or Chart.js for data visualization.

AI Integration

• OpenAI API for financial insights.

Tools

• Docker and Docker Compose for local orchestration.
• Kubernetes for server-side orchestration.

9. Assumptions and Constraints

• The system will initially target users in Pakistan, with PKR as the default currency.
• The application will be accessible via web and mobile platforms.
• AI insights will rely on the OpenAI API, which requires an active subscription.
• The system will be designed for scalability but will initially support up to 10,000 concurrent users.

10. Glossary

• JWT: JSON Web Token, a secure method for transmitting information between parties.
• OAuth: Open standard for access delegation, allowing third-party applications to access user information.
• PKR: Pakistani Rupee, the default currency for the application.
• AI Insights: Data-driven recommendations generated using artificial intelligence.
• Mongoose: An Object Data Modeling (ODM) library for MongoDB and Node.js.
• Recharts/Chart.js: Libraries for creating interactive data visualizations.
• Docker: A platform for developing, shipping, and running applications in containers.
• Kubernetes: An open-source system for automating deployment, scaling, and management of containerized applications.