# OpenAPI Specification Completion

**Date:** 2024-01-13  
**Last Updated:** 2024-01-13  
**Status:** ✅ Complete

## Overview

The OpenAPI specification for the Attune API has been fully annotated with `utoipa::path` attributes on all route handlers. The API now provides comprehensive, interactive documentation accessible via Swagger UI at `/docs`.

## Completed Work

### 1. Route Annotations

All API endpoints have been annotated with `#[utoipa::path]` attributes including:
- HTTP method and path
- Tag categorization
- Request/response schemas
- Security requirements (JWT bearer auth where applicable)
- Parameter descriptions
- Example values

### 2. Endpoints Documented (86 operations across 62 paths)

The API has **62 unique paths** with **86 total operations** (HTTP methods). Multiple operations on the same path (e.g., GET, POST, PUT, DELETE) count as separate operations.

#### Health Check (4 endpoints)
- `GET /health` - Basic health check
- `GET /health/detailed` - Detailed health with database connectivity
- `GET /health/ready` - Readiness probe
- `GET /health/live` - Liveness probe

#### Authentication (5 endpoints)
- `POST /auth/login` - User login
- `POST /auth/register` - User registration
- `POST /auth/refresh` - Refresh access token
- `GET /auth/me` - Get current user info
- `POST /auth/change-password` - Change password

#### Packs (7 endpoints)
- `GET /packs` - List all packs
- `POST /packs` - Create new pack
- `GET /packs/{ref}` - Get pack by reference
- `PUT /packs/{ref}` - Update pack
- `DELETE /packs/{ref}` - Delete pack
- `POST /packs/{ref}/sync-workflows` - Sync workflows from pack directory
- `GET /packs/{ref}/validate-workflows` - Validate workflows in pack directory

#### Actions (8 endpoints)
- `GET /actions` - List all actions
- `POST /actions` - Create new action
- `GET /actions/{ref}` - Get action by reference
- `PUT /actions/{ref}` - Update action
- `DELETE /actions/{ref}` - Delete action
- `GET /actions/id/{id}` - Get action by ID
- `GET /packs/{pack_ref}/actions` - List actions by pack
- `GET /actions/{ref}/queue-stats` - Get queue statistics for action

#### Triggers (10 endpoints)
- `GET /triggers` - List all triggers
- `GET /triggers/enabled` - List enabled triggers
- `POST /triggers` - Create new trigger
- `GET /triggers/{ref}` - Get trigger by reference
- `PUT /triggers/{ref}` - Update trigger
- `DELETE /triggers/{ref}` - Delete trigger
- `POST /triggers/{ref}/enable` - Enable trigger
- `POST /triggers/{ref}/disable` - Disable trigger
- `GET /triggers/id/{id}` - Get trigger by ID
- `GET /packs/{pack_ref}/triggers` - List triggers by pack

#### Sensors (11 endpoints)
- `GET /sensors` - List all sensors
- `GET /sensors/enabled` - List enabled sensors
- `POST /sensors` - Create new sensor
- `GET /sensors/{ref}` - Get sensor by reference
- `PUT /sensors/{ref}` - Update sensor
- `DELETE /sensors/{ref}` - Delete sensor
- `POST /sensors/{ref}/enable` - Enable sensor
- `POST /sensors/{ref}/disable` - Disable sensor
- `GET /sensors/id/{id}` - Get sensor by ID
- `GET /packs/{pack_ref}/sensors` - List sensors by pack
- `GET /triggers/{trigger_ref}/sensors` - List sensors by trigger

#### Rules (11 endpoints)
- `GET /rules` - List all rules
- `GET /rules/enabled` - List enabled rules
- `POST /rules` - Create new rule
- `GET /rules/{ref}` - Get rule by reference
- `PUT /rules/{ref}` - Update rule
- `DELETE /rules/{ref}` - Delete rule
- `POST /rules/{ref}/enable` - Enable rule
- `POST /rules/{ref}/disable` - Disable rule
- `GET /rules/id/{id}` - Get rule by ID
- `GET /packs/{pack_ref}/rules` - List rules by pack
- `GET /actions/{action_ref}/rules` - List rules by action
- `GET /triggers/{trigger_ref}/rules` - List rules by trigger

#### Executions (5 endpoints)
- `GET /executions` - List all executions (with filters)
- `GET /executions/{id}` - Get execution by ID
- `GET /executions/stats` - Get execution statistics
- `GET /executions/status/{status}` - List executions by status
- `GET /executions/enforcement/{enforcement_id}` - List executions by enforcement

#### Events (2 endpoints)
- `GET /events` - List all events (with filters)
- `GET /events/{id}` - Get event by ID

#### Enforcements (2 endpoints)
- `GET /enforcements` - List all enforcements (with filters)
- `GET /enforcements/{id}` - Get enforcement by ID

#### Inquiries (8 endpoints)
- `GET /inquiries` - List all inquiries (with filters)
- `POST /inquiries` - Create new inquiry
- `GET /inquiries/{id}` - Get inquiry by ID
- `PUT /inquiries/{id}` - Update inquiry
- `DELETE /inquiries/{id}` - Delete inquiry
- `GET /inquiries/status/{status}` - List inquiries by status
- `GET /executions/{execution_id}/inquiries` - List inquiries for execution
- `POST /inquiries/{id}/respond` - Respond to inquiry

#### Keys/Secrets (5 endpoints)
- `GET /keys` - List all keys
- `POST /keys` - Create new key
- `GET /keys/{ref}` - Get key by reference
- `PUT /keys/{ref}` - Update key
- `DELETE /keys/{ref}` - Delete key

#### Workflows (7 endpoints)
- `GET /workflows` - List all workflows (with filtering by tags, enabled status, search)
- `POST /workflows` - Create new workflow
- `GET /workflows/{ref}` - Get workflow by reference
- `PUT /workflows/{ref}` - Update workflow
- `DELETE /workflows/{ref}` - Delete workflow
- `GET /workflows/id/{id}` - Get workflow by ID
- `GET /packs/{pack_ref}/workflows` - List workflows by pack

### 3. DTO Schemas

All Data Transfer Objects (DTOs) are properly documented with `ToSchema` or `IntoParams` attributes:

**Request DTOs:**
- Authentication: LoginRequest, RegisterRequest, RefreshTokenRequest, ChangePasswordRequest
- Packs: CreatePackRequest, UpdatePackRequest
- Actions: CreateActionRequest, UpdateActionRequest
- Triggers: CreateTriggerRequest, UpdateTriggerRequest
- Sensors: CreateSensorRequest, UpdateSensorRequest
- Rules: CreateRuleRequest, UpdateRuleRequest
- Inquiries: CreateInquiryRequest, UpdateInquiryRequest, RespondToInquiryRequest
- Keys: CreateKeyRequest, UpdateKeyRequest

**Response DTOs:**
- Full responses: PackResponse, ActionResponse, TriggerResponse, SensorResponse, RuleResponse, ExecutionResponse, EventResponse, EnforcementResponse, InquiryResponse, KeyResponse
- Summary responses: PackSummary, ActionSummary, TriggerSummary, SensorSummary, RuleSummary, ExecutionSummary, EventSummary, EnforcementSummary, InquirySummary, KeySummary
- Auth: TokenResponse, CurrentUserResponse
- Workflow: WorkflowResponse, WorkflowSummary
- Queue Stats: QueueStatsResponse

**Query Parameter DTOs (IntoParams):**
- PaginationParams
- EventQueryParams
- EnforcementQueryParams
- ExecutionQueryParams
- InquiryQueryParams
- KeyQueryParams
- WorkflowSearchParams

**Common DTOs:**
- ApiResponse<T>
- PaginatedResponse<T>
- PaginationMeta
- SuccessResponse

### 4. Security Schemes

JWT Bearer authentication is properly configured and referenced in protected endpoints:
- Security scheme: `bearer_auth`
- Format: JWT
- Header: `Authorization: Bearer <token>`

Protected endpoints include the `security(("bearer_auth" = []))` attribute.

### 5. Tags

Endpoints are organized by logical tags:
- `health` - Health check endpoints
- `auth` - Authentication and authorization
- `packs` - Pack management
- `actions` - Action management
- `triggers` - Trigger management
- `sensors` - Sensor management
- `rules` - Rule management
- `executions` - Execution queries
- `events` - Event queries
- `enforcements` - Enforcement queries
- `inquiries` - Inquiry (human-in-the-loop) management
- `secrets` - Secret/key management

## Accessing the Documentation

Once the API server is running, the interactive Swagger UI documentation is available at:

```
http://localhost:8080/docs
```

The raw OpenAPI JSON specification is available at:

```
http://localhost:8080/api-spec/openapi.json
```

## Testing

All OpenAPI annotations have been validated:
- ✅ Compilation succeeds without errors
- ✅ OpenAPI spec generation test passes
- ✅ All DTOs properly implement required traits
- ✅ Path count test confirms 62 unique paths
- ✅ Operation count test confirms 86 total operations

## Benefits

1. **Interactive Documentation**: Developers can explore and test API endpoints directly in the browser
2. **Auto-Generated Client SDKs**: The OpenAPI spec can be used to generate client libraries in multiple languages
3. **API Contract**: Serves as the source of truth for API structure and behavior
4. **Validation**: Request/response schemas are explicitly defined and validated
5. **Discoverability**: All endpoints, parameters, and response formats are self-documented

## Future Enhancements

Potential improvements for future iterations:
- Add more detailed examples for complex request bodies
- Include error response schemas for specific error cases
- Add response headers documentation where relevant
- Document rate limiting headers
- Add webhook documentation if/when implemented