{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://forms.takoform.com/schemas/v1alpha5/package-index.schema.json",
  "title": "Takoform content-addressed Form Package index v1alpha5",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "apiVersion",
    "kind",
    "formRef",
    "definitionPath",
    "files"
  ],
  "properties": {
    "apiVersion": {
      "const": "packages.forms.takoform.com/v1alpha5"
    },
    "kind": {
      "const": "FormPackage"
    },
    "formRef": {
      "$ref": "https://forms.takoform.com/schemas/v1beta2/form-ref.schema.json",
      "$comment": "The successor to v1alpha4 exists for this reference alone: its predecessor points at the v1beta1 FormRef schema, which requires a version segment inside the family group, and decision 0049 removed that segment. v1alpha4 is served at takoform.com, so it is succeeded rather than widened."
    },
    "definitionPath": {
      "$ref": "#/$defs/packagePath"
    },
    "files": {
      "type": "array",
      "minItems": 1,
      "contains": {
        "type": "object",
        "properties": {
          "mediaType": {
            "const": "application/vnd.takoform.form-definition.v1+json"
          }
        },
        "required": [
          "mediaType"
        ]
      },
      "minContains": 1,
      "maxContains": 1,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "path",
          "mediaType",
          "size",
          "digest"
        ],
        "properties": {
          "path": {
            "$ref": "#/$defs/packagePath"
          },
          "mediaType": {
            "enum": [
              "application/vnd.takoform.form-definition.v1+json",
              "application/schema+json",
              "application/json",
              "text/markdown",
              "text/plain"
            ]
          },
          "size": {
            "type": "integer",
            "minimum": 0,
            "maximum": 67108864
          },
          "digest": {
            "type": "string",
            "pattern": "^sha256:[0-9a-f]{64}$"
          }
        }
      }
    }
  },
  "$defs": {
    "packagePath": {
      "type": "string",
      "minLength": 1,
      "maxLength": 240,
      "pattern": "^[A-Za-z0-9._-]+(/[A-Za-z0-9._-]+)*$",
      "not": {
        "pattern": "(^|/)\\.\\.?($|/)"
      }
    }
  }
}