{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://forms.takoform.com/schemas/support/v1/host-support-profile.schema.json",
  "title": "Takoform Host Support Profile v1",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "apiVersion",
    "kind"
  ],
  "properties": {
    "apiVersion": {
      "const": "support.takoform.com/v1"
    },
    "kind": {
      "enum": [
        "FormSupport",
        "InterfaceSupport",
        "BindingSupport",
        "StandardServiceSupport"
      ]
    },
    "formRef": {
      "$ref": "https://forms.takoform.com/schemas/v1/form-ref.schema.json"
    },
    "interfaceRef": {
      "$ref": "https://forms.takoform.com/schemas/interfaces/v1alpha1/interface-ref.schema.json"
    },
    "bindingRef": {
      "$ref": "https://forms.takoform.com/schemas/bindings/v1alpha2/binding-ref.schema.json"
    },
    "operations": {
      "type": "array",
      "uniqueItems": true,
      "items": {
        "enum": [
          "create",
          "read",
          "update",
          "delete",
          "import",
          "observe"
        ]
      },
      "description": "The subset of the Form's declared lifecycleCapabilities this host serves. A host MAY narrow (serving no import is lawful and refused unsupported_capability at plan time, decision 0031); it MUST NOT widen: an operation the Definition does not declare never appears here."
    },
    "supportedEnums": {
      "type": "object",
      "additionalProperties": {
        "type": "array",
        "minItems": 1,
        "uniqueItems": true,
        "items": {
          "type": "string",
          "maxLength": 128
        }
      },
      "propertyNames": {
        "type": "string",
        "pattern": "^/[^\u0000]*$",
        "maxLength": 512,
        "x-takoform-fieldPolicy": "portable-data-only-v1"
      },
      "description": "For each closed-enum desired field, the subset of enum values this host accepts. Keys are RFC 6901 JSON Pointers into the Form's desired document (\"/assets/notFoundHandling\", \"/versions/-/weight\" with - addressing every element), so nested and array-element members are addressable."
    },
    "supportedRanges": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "minimum": {
            "type": [
              "integer",
              "string"
            ]
          },
          "maximum": {
            "type": [
              "integer",
              "string"
            ]
          }
        },
        "description": "Inclusive bounds this host accepts for one desired field; date-valued ranges use ISO 8601 date strings."
      },
      "propertyNames": {
        "type": "string",
        "pattern": "^/[^\u0000]*$",
        "maxLength": 512,
        "x-takoform-fieldPolicy": "portable-data-only-v1"
      },
      "description": "Keys are RFC 6901 JSON Pointers into the Form's desired document (\"/assets/notFoundHandling\", \"/versions/-/weight\" with - addressing every element), so nested and array-element members are addressable."
    },
    "supportedBindings": {
      "type": "array",
      "uniqueItems": true,
      "maxItems": 256,
      "items": {
        "type": "string",
        "maxLength": 256,
        "pattern": "^[a-z][a-z0-9]*(?:[.-][a-z][a-z0-9]*)*@(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)$"
      },
      "description": "Binding contracts this host implements, as name@version display refs; the exact digests are resolvable through the binding support endpoint."
    },
    "limits": {
      "type": "object",
      "additionalProperties": {
        "type": "integer",
        "minimum": 0,
        "maximum": 9007199254740991,
        "description": "Bounded to 2^53-1 so every limit is exactly representable in the I-JSON documents this lane requires."
      },
      "propertyNames": {
        "type": "string",
        "pattern": "^/[^\u0000]*$",
        "maxLength": 512,
        "x-takoform-fieldPolicy": "portable-data-only-v1"
      },
      "description": "Host capability ceilings such as maximumBundleBytes. Price, SKU, region, quota, and commercial policy never appear in a support profile."
    },
    "serviceRef": {
      "$ref": "https://forms.takoform.com/schemas/standards/v1/standard-service-ref.schema.json",
      "description": "Present exactly on a StandardServiceSupport profile: the exact opaque standard-service protocol identifier this host can satisfy for the tenant the profile answers."
    },
    "satisfiable": {
      "type": "boolean",
      "description": "Present exactly on a StandardServiceSupport profile: whether this host will satisfy slots of serviceRef's protocol for the requesting tenant. Which endpoint or credential would satisfy them is never stated."
    }
  },
  "allOf": [
    {
      "if": {
        "properties": {
          "kind": {
            "const": "FormSupport"
          }
        },
        "required": [
          "kind"
        ]
      },
      "then": {
        "required": [
          "formRef",
          "operations"
        ],
        "not": {
          "anyOf": [
            {
              "required": [
                "interfaceRef"
              ]
            },
            {
              "required": [
                "bindingRef"
              ]
            },
            {
              "required": [
                "serviceRef"
              ]
            },
            {
              "required": [
                "satisfiable"
              ]
            }
          ]
        }
      }
    },
    {
      "if": {
        "properties": {
          "kind": {
            "const": "InterfaceSupport"
          }
        },
        "required": [
          "kind"
        ]
      },
      "then": {
        "required": [
          "interfaceRef"
        ],
        "not": {
          "anyOf": [
            {
              "required": [
                "formRef"
              ]
            },
            {
              "required": [
                "bindingRef"
              ]
            },
            {
              "required": [
                "serviceRef"
              ]
            },
            {
              "required": [
                "satisfiable"
              ]
            }
          ]
        }
      }
    },
    {
      "if": {
        "properties": {
          "kind": {
            "const": "BindingSupport"
          }
        },
        "required": [
          "kind"
        ]
      },
      "then": {
        "required": [
          "bindingRef"
        ],
        "not": {
          "anyOf": [
            {
              "required": [
                "formRef"
              ]
            },
            {
              "required": [
                "interfaceRef"
              ]
            },
            {
              "required": [
                "serviceRef"
              ]
            },
            {
              "required": [
                "satisfiable"
              ]
            }
          ]
        }
      }
    },
    {
      "if": {
        "properties": {
          "kind": {
            "const": "StandardServiceSupport"
          }
        },
        "required": [
          "kind"
        ]
      },
      "then": {
        "required": [
          "serviceRef",
          "satisfiable"
        ],
        "not": {
          "anyOf": [
            {
              "required": [
                "formRef"
              ]
            },
            {
              "required": [
                "interfaceRef"
              ]
            },
            {
              "required": [
                "bindingRef"
              ]
            },
            {
              "required": [
                "operations"
              ]
            }
          ]
        }
      }
    }
  ]
}