{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.aep.foundation/schemas/portable-service-document.schema.json",
  "title": "AEP Portable Service Document",
  "$comment": "Full support also requires matching the selected descriptor ID, decoded response <= 1 MiB, <= 1024 total blocks and <= eight section levels. Unsupported block types require HTML fallback, not partial rendering.",
  "type": "object",
  "required": [
    "format",
    "version",
    "id",
    "content"
  ],
  "additionalProperties": true,
  "properties": {
    "format": {
      "const": "aep-service-document"
    },
    "version": {
      "const": "1.0"
    },
    "id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 32,
      "pattern": "^[A-Za-z0-9][A-Za-z0-9._-]*$",
      "not": {
        "pattern": "[^A-Za-z0-9._-]"
      }
    },
    "summary": {
      "$ref": "#/$defs/blocks"
    },
    "content": {
      "$ref": "#/$defs/blocks"
    }
  },
  "$defs": {
    "blocks": {
      "type": "array",
      "minItems": 1,
      "maxItems": 1024,
      "items": {
        "$ref": "#/$defs/block"
      }
    },
    "block": {
      "type": "object",
      "required": [
        "type"
      ],
      "additionalProperties": true,
      "properties": {
        "type": {
          "enum": [
            "paragraph",
            "section",
            "bulleted_list",
            "numbered_list"
          ]
        }
      },
      "allOf": [
        {
          "if": {
            "properties": {
              "type": {
                "const": "paragraph"
              }
            }
          },
          "then": {
            "required": [
              "text"
            ],
            "properties": {
              "text": {
                "type": "string",
                "minLength": 1,
                "maxLength": 16384
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "type": {
                "const": "section"
              }
            }
          },
          "then": {
            "required": [
              "title",
              "blocks"
            ],
            "properties": {
              "title": {
                "type": "string",
                "minLength": 1,
                "maxLength": 256
              },
              "blocks": {
                "$ref": "#/$defs/blocks"
              }
            }
          }
        },
        {
          "if": {
            "properties": {
              "type": {
                "enum": [
                  "bulleted_list",
                  "numbered_list"
                ]
              }
            }
          },
          "then": {
            "required": [
              "items"
            ],
            "properties": {
              "items": {
                "type": "array",
                "minItems": 1,
                "maxItems": 128,
                "items": {
                  "type": "string",
                  "minLength": 1,
                  "maxLength": 16384
                }
              }
            }
          }
        }
      ]
    }
  }
}