{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://stickies.live/schema/0.1.json",
  "title": "Stickies 0.1 document",
  "description": "A JSON Canvas document carrying sticky notes. See SPEC.md.",
  "type": "object",
  "required": ["stickies", "nodes"],
  "properties": {
    "stickies": { "type": "string", "pattern": "^0\\.[0-9]+$" },
    "source": { "$ref": "#/$defs/source" },
    "nodes": { "type": "array", "items": { "$ref": "#/$defs/node" } },
    "edges": { "type": "array", "items": { "$ref": "#/$defs/edge" } }
  },
  "$defs": {
    "source": {
      "type": "object",
      "properties": {
        "app": { "type": "string" },
        "url": { "type": "string" },
        "id": { "type": "string" }
      }
    },
    "color": {
      "type": "string",
      "pattern": "^(#[0-9A-Fa-f]{6}|[1-6])$"
    },
    "node": {
      "type": "object",
      "required": ["id", "type", "x", "y", "width", "height"],
      "properties": {
        "id": { "type": "string", "minLength": 1 },
        "type": { "type": "string" },
        "x": { "type": "number" },
        "y": { "type": "number" },
        "width": { "type": "number", "exclusiveMinimum": 0 },
        "height": { "type": "number", "exclusiveMinimum": 0 },
        "color": { "$ref": "#/$defs/color" }
      },
      "if": { "properties": { "type": { "const": "text" } } },
      "then": { "$ref": "#/$defs/note" }
    },
    "note": {
      "type": "object",
      "required": ["text"],
      "properties": {
        "text": { "type": "string" },
        "colorName": { "type": "string" },
        "state": { "type": "string", "description": "open, progress or done. Unknown values are treated as open." },
        "author": { "type": "string" },
        "createdAt": { "type": "string", "format": "date-time" },
        "updatedAt": { "type": "string", "format": "date-time" },
        "source": { "$ref": "#/$defs/source" },
        "ext": { "type": "object", "additionalProperties": { "type": "object" } }
      }
    },
    "edge": {
      "type": "object",
      "required": ["id", "fromNode", "toNode"],
      "properties": {
        "id": { "type": "string" },
        "fromNode": { "type": "string" },
        "toNode": { "type": "string" },
        "fromSide": { "enum": ["top", "right", "bottom", "left"] },
        "toSide": { "enum": ["top", "right", "bottom", "left"] },
        "fromEnd": { "enum": ["none", "arrow"] },
        "toEnd": { "enum": ["none", "arrow"] },
        "color": { "$ref": "#/$defs/color" },
        "label": { "type": "string" }
      }
    }
  }
}