{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://mailschema.org/artifacts/map-0.3/schemas/contract.schema.json",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "id",
    "version",
    "profile",
    "name",
    "summary",
    "requirements",
    "detailsSchema",
    "operations"
  ],
  "properties": {
    "id": {
      "type": "string",
      "minLength": 1,
      "format": "uri",
      "pattern": "^https://",
      "maxLength": 2048
    },
    "version": {
      "type": "string",
      "minLength": 1,
      "maxLength": 64
    },
    "profile": {
      "const": "https://mailschema.org/profiles/map/0.3"
    },
    "name": {
      "type": "string",
      "minLength": 1,
      "maxLength": 2048
    },
    "summary": {
      "type": "string",
      "minLength": 1,
      "maxLength": 2048
    },
    "requirements": {
      "type": "array",
      "items": {
        "type": "string",
        "minLength": 1,
        "maxLength": 2048
      },
      "minItems": 1,
      "maxItems": 64
    },
    "detailsSchema": {
      "type": "object"
    },
    "operations": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "id",
          "name",
          "semantics",
          "effects",
          "bindings",
          "actors",
          "exactTerms",
          "inputSchema",
          "outcomes"
        ],
        "properties": {
          "id": {
            "type": "string",
            "minLength": 1,
            "pattern": "^[a-z][a-z0-9-]{0,63}$"
          },
          "name": {
            "type": "string",
            "minLength": 1,
            "maxLength": 2048
          },
          "semantics": {
            "type": "string",
            "minLength": 1,
            "maxLength": 2048
          },
          "effects": {
            "type": "array",
            "items": {
              "type": "string",
              "minLength": 1,
              "format": "uri",
              "pattern": "^https://"
            },
            "minItems": 1,
            "maxItems": 32,
            "uniqueItems": true
          },
          "bindings": {
            "type": "array",
            "items": {
              "enum": [
                "credential",
                "capability"
              ]
            },
            "minItems": 1,
            "maxItems": 2,
            "uniqueItems": true
          },
          "actors": {
            "type": "array",
            "items": {
              "enum": [
                "human",
                "agent"
              ]
            },
            "minItems": 1,
            "maxItems": 2,
            "uniqueItems": true
          },
          "exactTerms": {
            "type": "boolean"
          },
          "inputSchema": {
            "type": [
              "object",
              "null"
            ]
          },
          "outcomes": {
            "type": "object",
            "minProperties": 1,
            "propertyNames": {
              "pattern": "^[a-z][a-z0-9-]{0,63}$"
            },
            "additionalProperties": {
              "type": "string",
              "minLength": 1,
              "maxLength": 2048
            }
          },
          "capability": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "kind",
              "maxLifetimeSeconds"
            ],
            "properties": {
              "kind": {
                "enum": [
                  "refusal",
                  "protective-report",
                  "address-confirmation"
                ]
              },
              "maxLifetimeSeconds": {
                "type": "integer",
                "minimum": 1,
                "maximum": 604800
              }
            }
          }
        },
        "allOf": [
          {
            "if": {
              "properties": {
                "bindings": {
                  "contains": {
                    "const": "capability"
                  },
                  "type": "array"
                }
              }
            },
            "then": {
              "required": [
                "capability"
              ],
              "properties": {
                "inputSchema": {
                  "type": "null"
                },
                "exactTerms": {
                  "const": true
                }
              }
            },
            "else": {
              "not": {
                "required": [
                  "capability"
                ]
              }
            }
          }
        ]
      },
      "minItems": 1,
      "maxItems": 32
    }
  }
}