{
  "params": {
    "device": {
      "type": "choice",
      "options": [
        "phone",
        "tablet",
        "e-reader",
        "watch"
      ],
      "default": "phone",
      "label": "Device",
      "describe": "phone (15 cm smartphone with a camera bump), tablet (25 cm slate), e-reader (paper-grey screen with lines of text-like bars and a wide bezel), watch (smartwatch with strap, lying flat)."
    },
    "color": {
      "type": "choice",
      "options": [
        "black",
        "silver",
        "blue",
        "rose",
        "green",
        "white"
      ],
      "default": "blue",
      "label": "Colour",
      "describe": "Colour of the case and frame (and the watch strap): black, silver, blue, rose, green or white."
    },
    "screen": {
      "type": "choice",
      "options": [
        "home",
        "video",
        "map",
        "off"
      ],
      "default": "home",
      "label": "Screen",
      "describe": "What the screen shows: home (wallpaper with a grid of app tiles and a dock), video (a landscape clip with a play bar), map (streets, a park, water and a red pin), off (black glass, no night glow). The e-reader always shows a page and the watch a clock face unless off."
    },
    "stand": {
      "type": "toggle",
      "default": false,
      "label": "On stand",
      "describe": "Prop the device up on a small aluminium desk stand, leaning back 15 degrees. Off lays it flat on its back, screen up. Ignored for the watch."
    }
  },
  "presets": {
    "phone on the desk": {
      "device": "phone",
      "color": "black",
      "screen": "home",
      "stand": true
    },
    "movie tablet": {
      "device": "tablet",
      "color": "silver",
      "screen": "video",
      "stand": true
    },
    "bedtime reader": {
      "device": "e-reader",
      "color": "white",
      "stand": false
    }
  },
  "night": {
    "screen": {
      "zone": "screen",
      "intensity": 0.9,
      "describe": "The lit screen glows in its own colours."
    }
  }
}