{
  "title": "dragon の図の原本",
  "description": "区画、箱、線、運ぶ物、段、中身の帯の 6 部品を共通の骨組みに置き、図の種類だけの物は種類の欄に置く。座標は持たない。",
  "type": "object",
  "additionalProperties": false,
  "required": ["version", "kind", "title", "boxes", "steps"],
  "properties": {
    "version": { "description": "形式の版", "type": "integer", "minimum": 1 },
    "kind": { "description": "図の種類", "enum": ["sequence", "architecture", "state"] },
    "title": { "$ref": "#/definitions/text" },
    "view": { "description": "見せ方。書かなければ字の大きさで選ぶ。fixed は全体を止めて中だけ動かし、follow は寄って動かし全体図で今どこかを示す", "enum": ["fixed", "follow"] },
    "regions": { "type": "array", "items": { "$ref": "#/definitions/region" } },
    "boxes": { "type": "array", "minItems": 1, "items": { "$ref": "#/definitions/box" } },
    "strip": { "$ref": "#/definitions/strip" },
    "steps": { "type": "array", "minItems": 1, "items": { "$ref": "#/definitions/step" } },
    "sequence": { "$ref": "#/definitions/sequence" },
    "state": { "$ref": "#/definitions/state" }
  },
  "if": { "required": ["kind"], "properties": { "kind": { "const": "sequence" } } },
  "then": { "required": ["sequence"], "not": { "required": ["state"] } },
  "else": {
    "not": { "required": ["sequence"] },
    "if": { "required": ["kind"], "properties": { "kind": { "const": "state" } } },
    "then": { "properties": { "boxes": { "items": { "properties": { "id": { "description": "始まりと終わりの印の名前は箱の名札に使えない", "not": { "enum": ["start", "finish"] } } } } } } },
    "else": { "not": { "required": ["state"] } }
  },
  "definitions": {
    "text": { "type": "string", "minLength": 1 },
    "id": { "type": "string", "pattern": "^[^\\s\\[\\]「」=:]+$" },
    "color": { "enum": ["blue", "amber", "green", "violet", "rose", "slate", "coin"] },
    "region": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "name"],
      "properties": {
        "id": { "$ref": "#/definitions/id" },
        "name": { "$ref": "#/definitions/text" },
        "note": { "$ref": "#/definitions/text" },
        "color": { "$ref": "#/definitions/color" },
        "icon": { "$ref": "#/definitions/text" }
      }
    },
    "box": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "name"],
      "properties": {
        "id": { "$ref": "#/definitions/id" },
        "name": { "$ref": "#/definitions/text" },
        "sub": { "$ref": "#/definitions/text" },
        "color": { "$ref": "#/definitions/color" },
        "icon": { "$ref": "#/definitions/text" },
        "region": { "$ref": "#/definitions/id" }
      }
    },
    "strip": {
      "type": "object",
      "additionalProperties": false,
      "required": ["title", "fields"],
      "properties": {
        "title": { "$ref": "#/definitions/text" },
        "fields": { "type": "array", "minItems": 1, "items": { "$ref": "#/definitions/text" } }
      }
    },
    "step": {
      "type": "object",
      "additionalProperties": false,
      "required": ["title", "body", "events"],
      "properties": {
        "title": { "$ref": "#/definitions/text" },
        "body": { "$ref": "#/definitions/text" },
        "code": { "$ref": "#/definitions/text" },
        "events": { "type": "array", "items": { "$ref": "#/definitions/event" } }
      }
    },
    "event": {
      "description": "段の中で起きること。起きる順に並べる",
      "type": "object",
      "required": ["type"],
      "discriminator": { "propertyName": "type" },
      "oneOf": [
        {
          "description": "線。運ぶ物を載せて送る側から受ける側へ走る",
          "type": "object",
          "additionalProperties": false,
          "required": ["type", "from", "to", "carry"],
          "properties": {
            "type": { "const": "edge" },
            "from": { "$ref": "#/definitions/id" },
            "to": { "$ref": "#/definitions/id" },
            "label": { "$ref": "#/definitions/text" },
            "carry": { "$ref": "#/definitions/carry" },
            "labelSide": { "description": "線の名前を置く側 (寄せの指示)", "enum": ["above", "below", "left", "right"] }
          }
        },
        {
          "description": "箱の中の処理",
          "type": "object",
          "additionalProperties": false,
          "required": ["type", "box", "label"],
          "properties": {
            "type": { "const": "action" },
            "box": { "$ref": "#/definitions/id" },
            "label": { "$ref": "#/definitions/text" }
          }
        },
        {
          "description": "箱の下の小さな字の書き換え",
          "type": "object",
          "additionalProperties": false,
          "required": ["type", "box", "text"],
          "properties": {
            "type": { "const": "swap" },
            "box": { "$ref": "#/definitions/id" },
            "text": { "$ref": "#/definitions/text" }
          }
        },
        {
          "description": "中身の帯の欄の値と札",
          "type": "object",
          "additionalProperties": false,
          "required": ["type", "field"],
          "anyOf": [{ "required": ["value"] }, { "required": ["tag"] }],
          "properties": {
            "type": { "const": "strip" },
            "field": { "$ref": "#/definitions/text" },
            "value": { "$ref": "#/definitions/text" },
            "tag": { "$ref": "#/definitions/text" }
          }
        }
      ]
    },
    "carry": {
      "description": "線の上を走る物。封筒 (メッセージや要求)、札 (名前のある値)、硬貨 (価値)、無し",
      "type": "object",
      "additionalProperties": false,
      "required": ["kind"],
      "properties": {
        "kind": { "enum": ["envelope", "tag", "coin", "none"] },
        "text": { "$ref": "#/definitions/text" }
      },
      "if": { "required": ["kind"], "properties": { "kind": { "const": "tag" } } },
      "then": { "required": ["text"] },
      "else": { "not": { "required": ["text"] } }
    },
    "sequence": {
      "description": "時系列図の種類の欄。生存線を左から並べる順",
      "type": "object",
      "additionalProperties": false,
      "required": ["lifelines"],
      "properties": {
        "lifelines": { "type": "array", "minItems": 1, "items": { "$ref": "#/definitions/id" } }
      }
    },
    "state": {
      "description": "状態遷移図の種類の欄。最初の段より前に書いた、移れるが段で通るとは限らない線",
      "type": "object",
      "additionalProperties": false,
      "required": ["paths"],
      "properties": {
        "paths": { "type": "array", "minItems": 1, "items": { "$ref": "#/definitions/path" } }
      }
    },
    "path": {
      "description": "移れる道。送る側に始まりの印 start、受ける側に終わりの印 finish を書ける。どの段にも出ない道は点線で描き、運ぶ物を走らせない",
      "type": "object",
      "additionalProperties": false,
      "required": ["from", "to"],
      "properties": {
        "from": { "$ref": "#/definitions/id" },
        "to": { "$ref": "#/definitions/id" },
        "label": { "$ref": "#/definitions/text" }
      }
    }
  }
}