{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://visualspec.dev/schema/1.0/modules/presentation.schema.json",
  "title": "Presentation",
  "description": "Slides, masters, narrative sequence, presenter notes and per-slide timelines.",
  "$defs": {
    "master": {
      "type": "object",
      "properties": {
        "id": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/id"
        },
        "name": {
          "type": "string",
          "minLength": 1
        },
        "sceneRef": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/id"
        },
        "layout": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/layout.schema.json#/$defs/layout"
        },
        "background": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/appearance.schema.json#/$defs/paint"
        },
        "slots": {
          "type": "object",
          "additionalProperties": {
            "$ref": "https://visualspec.dev/schema/1.0/modules/components.schema.json#/$defs/slot"
          }
        },
        "headerNodeRef": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/id"
        },
        "footerNodeRef": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/id"
        },
        "extensions": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/extensions"
        }
      },
      "required": [
        "id"
      ],
      "additionalProperties": false
    },
    "slide": {
      "type": "object",
      "properties": {
        "id": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/id"
        },
        "title": {
          "type": "string",
          "minLength": 1
        },
        "sceneRef": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/id"
        },
        "masterRef": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/id"
        },
        "layout": {
          "type": "string",
          "minLength": 1
        },
        "notes": {
          "type": "string"
        },
        "transition": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/timeline.schema.json#/$defs/transition"
        },
        "timelineRef": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/id"
        },
        "duration": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/duration"
        },
        "hidden": {
          "type": "boolean"
        },
        "mediaAssetRefs": {
          "type": "array",
          "items": {
            "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/id"
          },
          "uniqueItems": true
        },
        "narrativeRole": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/taxonomy"
        },
        "extensions": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/extensions"
        }
      },
      "required": [
        "id",
        "sceneRef"
      ],
      "additionalProperties": false
    },
    "presentation": {
      "type": "object",
      "properties": {
        "id": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/id"
        },
        "title": {
          "type": "string",
          "minLength": 1
        },
        "size": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/viewport"
        },
        "masters": {
          "type": "array",
          "items": {
            "$ref": "https://visualspec.dev/schema/1.0/modules/presentation.schema.json#/$defs/master"
          }
        },
        "slides": {
          "type": "array",
          "items": {
            "$ref": "https://visualspec.dev/schema/1.0/modules/presentation.schema.json#/$defs/slide"
          },
          "minItems": 1
        },
        "sequence": {
          "type": "array",
          "items": {
            "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/id"
          },
          "uniqueItems": true
        },
        "loop": {
          "type": "boolean"
        },
        "extensions": {
          "$ref": "https://visualspec.dev/schema/1.0/modules/common.schema.json#/$defs/extensions"
        }
      },
      "required": [
        "id",
        "slides"
      ],
      "additionalProperties": false
    }
  },
  "$ref": "#/$defs/presentation"
}