# Requirements Document

## Introduction

A comprehensive SaaS platform for website cloning with near 100% visual accuracy. The system combines advanced web scraping, intelligent crawling, asset extraction, and code generation to recreate websites with high fidelity. The platform includes an integrated online IDE for editing and customization.

## Glossary

- **CloneWeb_Platform**: The complete SaaS system for website cloning
- **Visual_Scraper**: Component responsible for capturing visual elements and layout
- **Intelligent_Crawler**: BFS-based crawler that discovers and maps website structure
- **Asset_Extractor**: System that downloads and processes website assets (images, CSS, JS, fonts)
- **Code_Generator**: Component that generates clean, semantic HTML/CSS/JS code
- **Online_IDE**: Integrated development environment for editing cloned websites
- **Multi_Layer_Processor**: System that handles complex page rendering and JavaScript execution
- **Component_Detector**: AI-powered system that identifies reusable UI components
- **Clone_Project**: A complete cloned website project with all assets and code

## Requirements

### Requirement 1: Website Analysis and Crawling

**User Story:** As a user, I want to analyze and crawl entire websites, so that I can capture all pages and their interconnections for complete cloning.

#### Acceptance Criteria

1. WHEN a user provides a website URL, THE Intelligent_Crawler SHALL discover all linked pages using breadth-first search
2. WHEN crawling pages, THE Intelligent_Crawler SHALL respect robots.txt and implement rate limiting to avoid overloading target servers
3. WHEN analyzing page structure, THE Multi_Layer_Processor SHALL execute JavaScript to capture dynamic content and single-page application states
4. WHEN encountering authentication-protected pages, THE Intelligent_Crawler SHALL provide options for credential-based access
5. THE Intelligent_Crawler SHALL generate a complete sitemap with page hierarchy and relationships

### Requirement 2: Visual Scraping and Asset Extraction

**User Story:** As a user, I want to extract all visual elements and assets from websites, so that I can recreate the exact visual appearance.

#### Acceptance Criteria

1. WHEN processing a webpage, THE Visual_Scraper SHALL capture full-page screenshots at multiple viewport sizes
2. WHEN extracting assets, THE Asset_Extractor SHALL download all images, CSS files, JavaScript files, fonts, and media content
3. WHEN processing CSS, THE Asset_Extractor SHALL resolve all @import statements and external dependencies
4. WHEN handling responsive design, THE Visual_Scraper SHALL capture breakpoint variations and media queries
5. THE Asset_Extractor SHALL optimize and compress assets while maintaining visual quality

### Requirement 3: Intelligent Code Generation

**User Story:** As a developer, I want clean, semantic code generated from scraped websites, so that I can easily understand and modify the cloned website.

#### Acceptance Criteria

1. WHEN generating HTML, THE Code_Generator SHALL produce semantic, well-structured markup with proper accessibility attributes
2. WHEN processing CSS, THE Code_Generator SHALL organize styles into logical modules and remove unused rules
3. WHEN handling JavaScript, THE Code_Generator SHALL refactor inline scripts into organized, maintainable modules
4. THE Code_Generator SHALL generate responsive CSS that works across all device sizes
5. THE Code_Generator SHALL include comprehensive comments explaining complex layout structures

### Requirement 4: Component Detection and Reusability

**User Story:** As a developer, I want the system to identify reusable UI components, so that I can efficiently manage and modify common elements across the cloned website.

#### Acceptance Criteria

1. WHEN analyzing page layouts, THE Component_Detector SHALL identify repeated UI patterns and mark them as reusable components
2. WHEN detecting components, THE Component_Detector SHALL extract navigation bars, headers, footers, cards, and form elements as separate modules
3. WHEN generating component code, THE Code_Generator SHALL create parameterized components that can be easily customized
4. THE Component_Detector SHALL maintain a component library for each cloned project
5. WHEN components are modified, THE CloneWeb_Platform SHALL update all instances across the project

### Requirement 5: Online IDE and Editing Environment

**User Story:** As a user, I want to edit and customize cloned websites in an integrated online IDE, so that I can make modifications without external tools.

#### Acceptance Criteria

1. THE Online_IDE SHALL provide syntax highlighting for HTML, CSS, JavaScript, and popular frameworks
2. WHEN editing code, THE Online_IDE SHALL offer real-time preview with hot reloading
3. WHEN making changes, THE Online_IDE SHALL provide version control with commit history and rollback capabilities
4. THE Online_IDE SHALL include intelligent code completion and error detection
5. WHEN collaborating, THE Online_IDE SHALL support multi-user editing with conflict resolution

### Requirement 6: Project Management and Organization

**User Story:** As a user, I want to organize and manage multiple cloned website projects, so that I can efficiently work on different cloning tasks.

#### Acceptance Criteria

1. WHEN creating projects, THE CloneWeb_Platform SHALL organize each Clone_Project with proper folder structure and asset management
2. WHEN managing projects, THE CloneWeb_Platform SHALL provide project templates and starter configurations
3. THE CloneWeb_Platform SHALL support project sharing and collaboration with team members
4. WHEN exporting projects, THE CloneWeb_Platform SHALL generate deployment-ready code packages
5. THE CloneWeb_Platform SHALL maintain project analytics including clone accuracy metrics and performance data

### Requirement 7: Performance and Scalability

**User Story:** As a platform operator, I want the system to handle high-volume cloning requests efficiently, so that users experience fast and reliable service.

#### Acceptance Criteria

1. WHEN processing large websites, THE CloneWeb_Platform SHALL implement parallel processing for crawling and asset extraction
2. WHEN storing assets, THE CloneWeb_Platform SHALL use CDN distribution for fast global access
3. THE CloneWeb_Platform SHALL implement intelligent caching to avoid re-processing identical content
4. WHEN under high load, THE CloneWeb_Platform SHALL auto-scale processing resources
5. THE CloneWeb_Platform SHALL complete typical website cloning within 5 minutes for sites under 100 pages

### Requirement 8: Data Storage and Management

**User Story:** As a system administrator, I want robust data storage and management, so that user projects and assets are securely maintained.

#### Acceptance Criteria

1. WHEN storing project data, THE CloneWeb_Platform SHALL use PostgreSQL for structured data and metadata
2. WHEN managing assets, THE CloneWeb_Platform SHALL store files in S3-compatible object storage with proper organization
3. THE CloneWeb_Platform SHALL implement automated backups with point-in-time recovery
4. WHEN handling user data, THE CloneWeb_Platform SHALL encrypt sensitive information and comply with data protection regulations
5. THE CloneWeb_Platform SHALL provide data export capabilities for user project portability

### Requirement 9: Authentication and Security

**User Story:** As a user, I want secure access to my cloned projects, so that my work is protected and properly managed.

#### Acceptance Criteria

1. THE CloneWeb_Platform SHALL implement multi-factor authentication for user accounts
2. WHEN accessing projects, THE CloneWeb_Platform SHALL enforce role-based permissions for viewing and editing
3. THE CloneWeb_Platform SHALL implement API rate limiting to prevent abuse
4. WHEN cloning websites, THE CloneWeb_Platform SHALL respect copyright and provide legal compliance warnings
5. THE CloneWeb_Platform SHALL audit all user actions for security and compliance monitoring

### Requirement 10: Monetization and Billing

**User Story:** As a business owner, I want flexible pricing and billing options, so that I can monetize the platform effectively while providing value to users.

#### Acceptance Criteria

1. THE CloneWeb_Platform SHALL implement tiered subscription plans with usage-based billing
2. WHEN tracking usage, THE CloneWeb_Platform SHALL monitor pages cloned, storage used, and API calls made
3. THE CloneWeb_Platform SHALL provide detailed billing reports and usage analytics
4. WHEN processing payments, THE CloneWeb_Platform SHALL integrate with multiple payment providers
5. THE CloneWeb_Platform SHALL offer free tier with limited functionality for user acquisition