{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "id": "http://bigcontent.io/cms/schema/v1/core",

    "definitions": {
      "content": {
        "type": "object",
        "properties": {
          "_meta": { "$ref": "#/definitions/meta" }
        },
        "required": [
          "_meta"
        ]
      },

      "content-link": {
        "properties": {
          "_meta": {
            "allOf": [
              { "$ref": "#/definitions/meta" },
              {
                "properties": {
                  "schema": {
                    "enum": ["http://bigcontent.io/cms/schema/v1/core#/definitions/content-link"]
                  }
                }
              }
            ]
          },
          "id": {
            "type": "string"
          },
          "contentType": {
            "type": "string",
            "format": "uri"
          }
        },
        "required": [
          "_meta",
          "id",
          "contentType"
        ]
      },

      "content-reference": {
        "properties": {
          "_meta": {
            "allOf": [
              { "$ref": "#/definitions/meta" },
              {
                "properties": {
                  "schema": {
                    "enum": ["http://bigcontent.io/cms/schema/v1/core#/definitions/content-reference"]
                  }
                }
              }
            ]
          },
          "id": {
            "type": "string"
          },
          "contentType": {
            "type": "string",
            "format": "uri"
          }
        },
        "required": [
          "_meta",
          "id",
          "contentType"
        ]
      },

      "image-link": {
        "properties": {
          "_meta": {
            "allOf": [
              { "$ref": "#/definitions/meta" },
              {
                "properties": {
                  "schema": {
                    "enum": ["http://bigcontent.io/cms/schema/v1/core#/definitions/image-link"]
                  }
                }
              }
            ]
          },
          "id": {
            "type": "string"
          },
          "name": {
            "type": "string"
          },
          "endpoint": {
            "type": "string"
          },
          "defaultHost": {
            "type": "string"
          },
          "mimeType": {
            "type": "string"
          },
          "altText": {
            "type": "string"
          }
        },
        "required": [
          "_meta",
          "id",
          "name",
          "endpoint",
          "defaultHost"
        ]
      },

      "video-link": {
        "properties": {
          "_meta": {
            "allOf": [
              { "$ref": "#/definitions/meta" },
              {
                "properties": {
                  "schema": {
                    "enum": ["http://bigcontent.io/cms/schema/v1/core#/definitions/video-link"]
                  }
                }
              }
            ]
          },
          "id": {
            "type": "string"
          },
          "name": {
            "type": "string"
          },
          "endpoint": {
            "type": "string"
          },
          "defaultHost": {
            "type": "string"
          }
        },
        "required": [
          "_meta",
          "id",
          "name",
          "endpoint",
          "defaultHost"
        ]
      },

      "localized-value": {
        "properties": {
          "_meta": {
            "allOf": [
              { "$ref": "#/definitions/meta" },
              {
                "properties": {
                  "schema": {
                    "enum": ["http://bigcontent.io/cms/schema/v1/core#/definitions/localized-value"]
                  }
                }
              }
            ]
          },
          "values": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "locale": { "type": "string" },
                "value": {}
              },
              "required": ["locale", "value"]
            }
          }
        },
        "required": [ "_meta", "values" ]
      },

      "meta": {
        "type": "object",
        "properties": {
          "schema": {
            "type": "string",
            "format": "uri"
          },
          "name": {
            "type": "string",
            "minLength": 0,
            "maxLength": 150
          }
        },
        "required": [
          "schema"
        ]
      }
    }
  }