schema.json

{
    "$schema": "http://json-schema.org/draft-06/schema#",
    "$ref": "#/JSON-contract",
    "JSON-contract": {
      "type": "object",
      "additionalProperties": false,
      "title": "JSON-contract",
      "properties": {
        "name": {
          "type": "string"
        },
        "locale": {
          "type": "string"
        },
        "description": {
          "type": "string"
        },
        "specificationMinVersion": {
          "type": "integer"
        },
        "prefix": {
          "type": "string"
        },
        "badge": {
          "type": "string"
        },
        "price": {
          "type": "integer"
        },
        "currency": {
          "type": "string"
        },
        "start": {
          "type": "integer"
        },
        "finish": {
          "type": "integer"
        },
        "revision": {
          "type": "integer"
        },
        "deliveryTime": {
          "type": "integer"
        },
        "options": {
          "type": "array",
          "items": {
            "anyOf": [
              {
                "$ref": "#/OptionTypes/String"
              },
              {
                "$ref": "#/OptionTypes/Number"
              },
              {
                "$ref": "#/OptionTypes/Select"
              }
            ]
          },
          "minItems": 1,
          "uniqueItems": true
        }
      },
      "required": [
        "badge",
        "currency",
        "deliveryTime",
        "description",
        "finish",
        "locale",
        "name",
        "prefix",
        "price",
        "revision",
        "specificationMinVersion",
        "start",
        "options"
      ]
    },
    "OptionTypes": {
      "String": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "id": {
            "$ref": "#/Types/id"
          },
          "type": {
            "$ref": "#/Types/type"
          },
          "label": {
            "$ref": "#/Types/label"
          },
          "description": {
            "$ref": "#/Types/description"
          },
          "handler": {
            "$ref": "#/Types/handler"
          },
          "isRequired": {
            "$ref": "#/Types/isRequired"
          },
          "regex": {
            "$ref": "#/Types/regex"
          },
          "maxLength": {
            "$ref": "#/Types/maxLength"
          }
        }
      },
      "Number": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "id": {
            "$ref": "#/Types/id"
          },
          "type": {
            "$ref": "#/Types/type"
          },
          "label": {
            "$ref": "#/Types/label"
          },
          "description": {
            "$ref": "#/Types/description"
          },
          "handler": {
            "$ref": "#/Types/handler"
          },
          "isRequired": {
            "$ref": "#/Types/isRequired"
          },
          "regex": {
            "$ref": "#/Types/regex"
          },
          "maxLength": {
            "$ref": "#/Types/maxLength"
          },
          "min": {
            "$ref": "#/Types/min"
          },
          "max": {
            "$ref": "#/Types/max"
          }
        },
        "required": [
          "id",
          "label",
          "type"
        ]
      },
      "Select": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "id": {
            "$ref": "#/Types/id"
          },
          "type": {
            "$ref": "#/Types/type"
          },
          "label": {
            "$ref": "#/Types/label"
          },
          "description": {
            "$ref": "#/Types/description"
          },
          "handler": {
            "$ref": "#/Types/handler"
          },
          "isRequired": {
            "$ref": "#/Types/isRequired"
          },
          "regex": {
            "$ref": "#/Types/regex"
          },
          "maxLength": {
            "$ref": "#/Types/maxLength"
          },
          "options": {
            "type": "array",
            "items": {
              "$ref": "#/OptionTypes/Option"
            },
            "minItems": 2,
            "uniqueItems": true
          }
        },
        "required": [
          "id",
          "label",
          "type",
          "options"
        ],
        "title": "Select"
      },
      "Option": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "id": {
            "type": "string"
          },
          "type": {
            "type": "string"
          },
          "maxLength": {
            "type": "integer"
          },
          "regex": {
            "type": "string"
          },
          "label": {
            "type": "string"
          },
          "description": {
            "type": "string"
          },
          "handler": {
            "type": "string"
          },
          "isRequired": {
            "type": "boolean"
          },
          "modifyDeliveryTime": {
            "$ref": "#/Action/ModifyDeliveryTime"
          },
          "modifyPrice": {
            "$ref": "#/Action/ModifyPrice"
          },
          "setCustomProperties": {
            "type": "array",
            "items": {
              "$ref": "#/Action/SetCustomProperty"
            }
          }
        },
        "required": [
          "id",
          "label",
          "type"
        ],
        "title": "Option"
      }
    },
    "Action": {
      "Changable": {
        "type" : "object",
        "additionalProperties": false,
        "maxProperties": 1,
        "properties" : {
            "increase": {
              "type": "integer",
              "title": "Increase amount"
            },
            "decrease": {
              "type": "integer",
              "title": "Decrease amount"
            },
            "set": {
              "type": "integer",
              "title": "Increase amount"
            }
        }
      },
  
  
      "ModifyDeliveryTime": {
        "$ref": "#/Action/Changable",
        "title": "Change delivery time"
      },
      "ModifyPrice": {
          "$ref": "#/Action/Changable",
          "title": "Change price"
      },
  
  
      "SetCustomProperty": {
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "isManual": {
              "type": "boolean"
            }
          },
          "required": [
            "isManual"
          ],
          "title": "SetCustomProperty"
      }
    },
  
  
    "Types": {
      "id": {
        "type": "string"
      },
      "type": {
        "type": "string",
        "enum": [
          "string",
          "number",
          "select"
        ]
      },
      "maxLength": {
        "type": "integer"
      },
      "regex": {
        "type": "string",
        "format": "regex"
      },
      "label": {
        "type": "string"
      },
      "description": {
        "type": "string"
      },
      "handler": {
        "type": "string"
      },
      "isRequired": {
        "type": "boolean"
      },
      "min": {
        "type": "integer"
      },
      "max": {
        "type": "integer"
      }
    }
  }