# Implementation Plan

- [ ] 1. Set up enhanced command infrastructure
  - Create CommandValidator class for input validation and device compatibility checking
  - Implement Command and CommandResult data models for structured command handling
  - Add command validation methods to LoxoneDevice class for capability checking
  - _Requirements: 1.1, 1.2, 1.3, 1.4, 1.5_

- [ ] 2. Enhance LoxoneClient with reliable command sending
  - [ ] 2.1 Implement send_command_with_retry method with exponential backoff
    - Add retry logic with configurable max attempts and delay strategies
    - Implement command timeout handling and cancellation
    - _Requirements: 10.1, 10.4_

  - [ ] 2.2 Add command confirmation and state synchronization
    - Implement wait_for_command_confirmation for reliable command execution
    - Add force_state_refresh method for immediate state updates
    - Register command callbacks for state change notifications
    - _Requirements: 9.1, 9.3_

  - [ ]* 2.3 Write unit tests for enhanced LoxoneClient methods
    - Test retry mechanisms with mock WebSocket failures
    - Test command confirmation timeout scenarios
    - Test state synchronization after command execution
    - _Requirements: 2.7, 9.1, 9.3_

- [ ] 3. Implement basic device control methods in ClientSession
  - [ ] 3.1 Add control_switch method for Switch and TimedSwitch devices
    - Validate device type compatibility (Switch, TimedSwitch, Pushbutton)
    - Convert boolean state to Loxone command format ("On"/"Off")
    - Update local device state cache after successful command
    - _Requirements: 2.1, 2.2, 2.7_

  - [ ] 3.2 Add control_dimmer method for LightControllerV2 devices
    - Validate brightness range (0-100) and device type compatibility
    - Handle brightness=0 as off command, >0 as on+brightness
    - Convert percentage to Loxone internal format
    - _Requirements: 2.3, 2.4, 2.5, 2.6, 2.7_

  - [ ] 3.3 Add control_cover method for Jalousie, Window, and Gate devices
    - Support "open", "close", "stop", and "position" actions
    - Validate position values (0-100) and convert to Loxone format (0-1)
    - Handle tilt control for Jalousie devices with tilt capability
    - _Requirements: 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7_

  - [ ]* 3.4 Write unit tests for basic control methods
    - Test switch control with valid and invalid device types
    - Test dimmer control with boundary values and validation
    - Test cover control with all action types and position values
    - _Requirements: 2.1-2.7, 3.1-3.7_

- [ ] 4. Implement scene and state triggering functionality
  - [ ] 4.1 Add trigger_scene method for Scene devices
    - Validate scene UUID exists in device registry
    - Send scene activation command to Loxone Miniserver
    - Return confirmation with scene name and activation status
    - _Requirements: 4.1, 4.5_

  - [ ] 4.2 Add state control for special switches (Schlafen, Abwesend)
    - Identify state switches by name patterns and device details
    - Implement toggle/activate logic for state switches
    - Handle "Schlafen" and "Abwesend" state activation
    - _Requirements: 4.2, 4.3, 4.4_

  - [ ]* 4.3 Write unit tests for scene and state triggering
    - Test scene triggering with valid and invalid UUIDs
    - Test state switch activation and error handling
    - Test scene not found error responses
    - _Requirements: 4.1-4.6_

- [ ] 5. Add advanced lighting control (moods and colors)
  - [ ] 5.1 Implement set_mood method for Mood devices
    - Validate Mood device type and UUID existence
    - Send mood activation command to trigger lighting scene
    - Update all associated light states in cache
    - _Requirements: 5.1, 5.4_

  - [ ] 5.2 Add color control for ColorPickerV2 devices
    - Support RGB hex format (#RRGGBB) and HSV value input
    - Convert RGB to HSV format for Loxone ColorPickerV2
    - Validate color values and format before sending
    - _Requirements: 5.2, 5.3, 5.5, 5.6_

  - [ ]* 5.3 Write unit tests for advanced lighting control
    - Test mood activation with valid Mood devices
    - Test color control with RGB and HSV inputs
    - Test color validation and format conversion
    - _Requirements: 5.1-5.6_

- [ ] 6. Implement climate and environmental controls
  - [ ] 6.1 Add control_climate method for IRoomControllerV2 devices
    - Support target temperature setting with validation (5-35°C)
    - Implement HVAC mode control (off, heat, cool, auto)
    - Update temperature and mode states in device cache
    - _Requirements: 6.1, 6.3, 6.5_

  - [ ] 6.2 Add ventilation control for Ventilation devices
    - Support fan speed control (0-100%) with validation
    - Convert percentage to Loxone internal format (0-1)
    - Update fan speed state in device cache
    - _Requirements: 6.2, 6.4, 6.5_

  - [ ]* 6.3 Write unit tests for climate control
    - Test temperature control with valid and invalid ranges
    - Test ventilation control with speed validation
    - Test state updates after climate commands
    - _Requirements: 6.1-6.5_

- [ ] 7. Add secured device control with PIN authentication
  - [ ] 7.1 Enhance send_secured_command method
    - Add PIN validation and authentication flow
    - Implement security audit logging for secured commands
    - Handle authentication failure responses
    - _Requirements: 7.1, 7.2, 7.3, 7.4_

  - [ ] 7.2 Add PIN requirement detection
    - Check device.details.isSecured flag before command execution
    - Return PIN_REQUIRED error when PIN is missing for secured devices
    - Validate PIN format and length requirements
    - _Requirements: 7.3, 7.4_

  - [ ]* 7.3 Write unit tests for secured device control
    - Test PIN authentication success and failure scenarios
    - Test PIN requirement detection and error responses
    - Test security audit logging functionality
    - _Requirements: 7.1-7.4_

- [ ] 8. Implement batch operations and room control
  - [ ] 8.1 Add control_room method for multi-device operations
    - Support "lights_on", "lights_off", "blinds_open", "blinds_close" actions
    - Filter devices by room and device type for targeted control
    - Execute commands in parallel and collect results
    - _Requirements: 8.1, 8.2, 8.3, 8.6_

  - [ ] 8.2 Add batch_control method for multiple device commands
    - Accept list of device commands with UUIDs and values
    - Execute commands concurrently with individual error handling
    - Continue execution even if individual commands fail
    - _Requirements: 8.4, 8.5_

  - [ ]* 8.3 Write unit tests for batch operations
    - Test room control with different action types
    - Test batch control with mixed success/failure scenarios
    - Test parallel execution and result aggregation
    - _Requirements: 8.1-8.6_

- [ ] 9. Create MCP tool interfaces for device control
  - [ ] 9.1 Implement loxone_control_switch MCP tool
    - Add FastMCP tool decorator with proper parameter validation
    - Integrate with session management and device validation
    - Return standardized success/error responses
    - _Requirements: 2.1, 2.2_

  - [ ] 9.2 Implement loxone_control_dimmer MCP tool
    - Add brightness parameter validation (0-100 range)
    - Support LightControllerV2 device type validation
    - Handle brightness=0 as off, >0 as on+brightness
    - _Requirements: 2.3, 2.4, 2.5, 2.6_

  - [ ] 9.3 Implement loxone_control_cover MCP tool
    - Support action parameter ("open", "close", "stop", "position")
    - Add optional position and tilt parameters for advanced control
    - Validate Jalousie, Window, and Gate device types
    - _Requirements: 3.1, 3.2, 3.3, 3.4, 3.5_

  - [ ] 9.4 Implement loxone_trigger_scene MCP tool
    - Support Scene device type and state switch triggering
    - Add scene name resolution and UUID validation
    - Return scene activation confirmation
    - _Requirements: 4.1, 4.2, 4.5_

  - [ ] 9.5 Implement loxone_control_room MCP tool
    - Support room-wide actions (lights, blinds control)
    - Add room name validation against device registry
    - Return summary of affected devices and results
    - _Requirements: 8.1, 8.2, 8.3, 8.6_

  - [ ]* 9.6 Write integration tests for MCP tools
    - Test all MCP tools with valid and invalid parameters
    - Test error response formats and standardization
    - Test session management and credential handling
    - _Requirements: 1.1-1.5, 2.1-2.7, 3.1-3.7_

- [ ] 10. Add comprehensive error handling and resilience
  - [ ] 10.1 Implement CommandQueue for reliable command execution
    - Add command queuing with priority and retry logic
    - Implement concurrent command execution limits
    - Add command cancellation and timeout handling
    - _Requirements: 10.1, 10.4_

  - [ ] 10.2 Enhance error response standardization
    - Create comprehensive error code constants and messages
    - Add detailed error context and retry suggestions
    - Implement error logging and debugging information
    - _Requirements: 10.2, 10.3, 10.5, 10.6_

  - [ ] 10.3 Add connection resilience and state synchronization
    - Implement automatic reconnection with exponential backoff
    - Add state resynchronization after connection restoration
    - Handle command execution during connection outages
    - _Requirements: 9.2, 9.4, 9.5, 10.1_

  - [ ]* 10.4 Write resilience and error handling tests
    - Test command queue behavior under various failure scenarios
    - Test error response formatting and standardization
    - Test connection recovery and state synchronization
    - _Requirements: 9.1-9.5, 10.1-10.6_

- [ ] 11. Integration testing and validation
  - [ ] 11.1 Create end-to-end integration test suite
    - Test complete command flow from MCP tool to device response
    - Validate state consistency after all types of commands
    - Test error propagation through all system layers
    - _Requirements: All requirements_

  - [ ] 11.2 Add performance and load testing
    - Test command throughput and queue performance under load
    - Measure state synchronization latency and memory usage
    - Identify bottlenecks in command processing pipeline
    - _Requirements: 8.4, 8.5, 9.1-9.5_

  - [ ]* 11.3 Create comprehensive test documentation
    - Document all test scenarios and expected behaviors
    - Create troubleshooting guide for common issues
    - Add performance benchmarks and optimization guidelines
    - _Requirements: All requirements_