lather

# Lather SOAP Library - TODO

This document outlines planned features, improvements, and enhancements for future versions of Lather.

## 🚀 High Priority (v1.1.0)

### SOAP 1.2 Completion
- [ ] Address remaining 10-15% of SOAP 1.2 specification edge cases
- [ ] Enhanced fault handling for SOAP 1.2 specific fault codes
- [ ] SOAP 1.2 role-based processing improvements
- [ ] Better SOAP 1.2 mustUnderstand header handling

### MTOM Optimizations  
- [ ] Large attachment streaming support (avoid loading entire attachments in memory)
- [ ] MTOM threshold configuration (auto-decide when to use MTOM vs inline)
- [ ] Binary data compression options
- [ ] MTOM attachment caching mechanisms

### Documentation & Examples
- [ ] More real-world service integration examples
- [ ] Phoenix LiveView integration guide
- [ ] Performance tuning documentation
- [ ] Migration guide from other SOAP libraries

## 🌟 Medium Priority (v1.2.0)

### OpenAPI 3.0 Integration
- [ ] Generate OpenAPI specs from SOAP service definitions
- [ ] REST/JSON endpoint documentation generation
- [ ] Swagger UI integration for SOAP services
- [ ] OpenAPI-driven client generation

### WS-Security Enhancements
- [ ] XML Digital Signatures (WS-Security)
- [ ] XML Encryption support
- [ ] SAML token integration
- [ ] WS-Trust implementation
- [ ] Certificate-based authentication
- [ ] Security policy validation

### Advanced Authentication
- [ ] OAuth 2.0 client credentials flow
- [ ] JWT token handling in SOAP headers
- [ ] API key authentication strategies
- [ ] Multi-factor authentication flows
- [ ] Token refresh mechanisms

## 📈 Performance & Optimization

### Core Performance
- [ ] Connection pooling optimizations for high-throughput scenarios
- [ ] XML parsing performance improvements
- [ ] Memory usage optimization for large requests/responses
- [ ] Async/streaming SOAP processing
- [ ] Request/response compression support

### Caching & Intelligence  
- [ ] WSDL caching with TTL and invalidation
- [ ] Intelligent operation result caching
- [ ] Connection warmup strategies
- [ ] Predictive prefetching for related operations

### Monitoring & Observability
- [ ] Enhanced Telemetry events with more granular metrics
- [ ] Request tracing integration (OpenTelemetry)
- [ ] Performance monitoring dashboard templates
- [ ] Health check endpoints for SOAP services

## 🔧 Developer Experience

### Tooling & CLI
- [ ] Mix task for WSDL analysis and validation (`mix lather.analyze`)
- [ ] Interactive SOAP service explorer CLI
- [ ] Code generation from WSDL (client modules)
- [ ] SOAP request/response debugging tools
- [ ] Service testing utilities

### IDE & Editor Support
- [ ] VSCode extension for SOAP service development
- [ ] ElixirLS integration for better SOAP DSL support
- [ ] Syntax highlighting for SOAP XML in editors
- [ ] Auto-completion for SOAP operations

### Enhanced DSL
- [ ] Type-safe parameter validation in service DSL
- [ ] More expressive error handling DSL
- [ ] Conditional operation execution
- [ ] Service versioning support in DSL
- [ ] Plugin system for custom behaviors

## 🌍 Standards Compliance & Protocols  

### WS-* Standards Implementation
- [ ] WS-ReliableMessaging for guaranteed delivery
- [ ] WS-Policy for service capability negotiation
- [ ] WS-Addressing for message routing
- [ ] WS-Discovery for service discovery
- [ ] WS-Eventing for event-driven architectures

### Protocol Enhancements
- [ ] HTTP/2 support for SOAP services
- [ ] WebSocket transport option for real-time SOAP
- [ ] Message queuing integration (RabbitMQ, Apache Kafka)
- [ ] gRPC-style streaming for SOAP operations
- [ ] GraphQL bridge for SOAP services

### Standards Compliance
- [ ] Full SOAP 1.2 specification compliance testing
- [ ] WS-I Basic Profile 2.0 compliance validation
- [ ] XML Schema validation improvements
- [ ] Namespace handling edge cases
- [ ] Character encoding robustness

## 🔗 Integration & Ecosystem

### Framework Integrations
- [ ] Plug.Router macro for automatic SOAP routing
- [ ] Ecto integration for data serialization
- [ ] GenServer-based service supervision
- [ ] Phoenix PubSub integration for SOAP events
- [ ] LiveView components for SOAP service management

### Database & Storage
- [ ] SOAP operation audit logging
- [ ] Request/response persistence options
- [ ] Service usage analytics
- [ ] Configuration management from database
- [ ] Multi-tenant SOAP service support

### External Service Integration
- [ ] API gateway integration patterns
- [ ] Load balancer configuration guides
- [ ] Docker containerization best practices
- [ ] Kubernetes deployment manifests
- [ ] Service mesh integration (Istio)

## 🧪 Testing & Quality Assurance

### Testing Infrastructure
- [ ] Property-based testing for SOAP message generation
- [ ] Load testing utilities and benchmarks
- [ ] Chaos engineering tools for resilience testing
- [ ] Multi-version compatibility testing framework
- [ ] Real-world service compatibility test suite

### Quality Improvements
- [ ] Enhanced error messages with suggestions
- [ ] Better debugging information in development mode
- [ ] Code quality metrics and analysis tools
- [ ] Automated security vulnerability scanning
- [ ] Compliance testing automation

## 🎨 User Interface & Experience

### Enhanced Web Interface
- [ ] Service dashboard with real-time metrics
- [ ] Interactive API documentation browser
- [ ] Request/response history viewer
- [ ] Service health monitoring interface
- [ ] Multi-language support for web forms

### Mobile & Accessibility
- [ ] Mobile-optimized testing interface
- [ ] Screen reader compatibility
- [ ] Keyboard navigation support
- [ ] High contrast mode for accessibility
- [ ] Internationalization (i18n) support

## 📚 Documentation & Community

### Advanced Documentation
- [ ] Architecture decision records (ADRs)
- [ ] Enterprise deployment guide
- [ ] Security best practices guide
- [ ] Troubleshooting cookbook
- [ ] Performance tuning guide

### Community & Ecosystem
- [ ] Plugin development guide
- [ ] Contribution guidelines enhancement
- [ ] Community showcase of real implementations
- [ ] Conference talks and presentations
- [ ] Blog post series on advanced SOAP topics

## 🚧 Technical Debt & Maintenance

### Code Quality
- [ ] Comprehensive type specifications for all public APIs
- [ ] Enhanced error handling with structured error types
- [ ] Code coverage improvements to 98%+
- [ ] Static analysis integration (Credo, Dialyzer)
- [ ] Documentation coverage enforcement

### Dependencies & Compatibility
- [ ] Elixir version compatibility matrix
- [ ] Dependency security auditing
- [ ] Alternative HTTP client support (besides Finch)
- [ ] OTP version compatibility testing
- [ ] Minimal dependency footprint optimization

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## 📋 Notes

- **Priority levels** are estimates and may change based on community feedback
- **Community contributions** are welcome for any items on this list
- **Breaking changes** will follow semantic versioning guidelines
- **Security items** will be prioritized regardless of version planning
- **Performance improvements** will be continuously evaluated and implemented

## 🤝 Contributing

See our [Contributing Guide](CONTRIBUTING.md) for information on how to help with any of these items.

For questions or suggestions about this roadmap, please open an issue on GitHub.

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*Last updated: January 2025*
*Version: 1.0.0*