# yaml-language-server: $schema=https://promptfoo.dev/config-schema.json
description: Advanced Imagen configuration showing platform-specific settings

prompts:
  - 'Create a {{quality}} image of {{subject}} with {{style}} aesthetic'

providers:
  # Google AI Studio configuration (API key authentication)
  - id: google:image:imagen-4.0-generate-001
    label: Imagen 4.0 (Google AI Studio)
    config:
      aspectRatio: '16:9'
      safetyFilterLevel: 'block_low_and_above' # Only value supported by Google AI Studio
      # Note: seed and addWatermark are not supported in Google AI Studio

  # Vertex AI configuration (OAuth authentication)
  - id: google:image:imagen-4.0-generate-001
    label: Imagen 4.0 (Vertex AI)
    config:
      projectId: 'your-project-id' # Forces Vertex AI usage
      aspectRatio: '16:9'
      safetyFilterLevel: 'block_some' # Vertex AI supports all safety levels
      seed: 42 # Deterministic generation
      addWatermark: false # Disable watermark (incompatible with seed)

  # Imagen 3.0 - Only available through Vertex AI
  - id: google:image:imagen-3.0-generate-002
    label: Imagen 3.0 (Vertex AI only)
    config:
      projectId: 'your-project-id'
      aspectRatio: '1:1'
      safetyFilterLevel: 'block_fewest'
      personGeneration: 'allow_adult'

tests:
  - vars:
      quality: 'photorealistic'
      subject: 'a serene mountain landscape'
      style: 'golden hour photography'
    assert:
      - type: javascript
        value: |
          // Check if the output contains a valid image data URL
          return output.includes('![Generated Image](data:image/')