{
  "$id": "https://tcpp.digital/schema/1.3.0/display_input_request.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "tcpp display_input_request schema",
  "x-tcpp-version": "1.3.0",
  "description": "tcpp display_input_request schema",
  "type": "object",
  "properties": {
    "tcpp": {
      "description": "url to tcpp version infos",
      "type": [
        "string",
        "null"
      ],
      "maxLength": 120,
      "pattern": "^https?:\\/\\/(?:www\\.)?[-a-zA-Z0-9@:%._\\+~#=]{1,256}\\.[a-zA-Z0-9()]{1,63}\\b(?:[-a-zA-Z0-9()@:%_\\+.~#?&\\/=]*)$"
    },
    "head": {
      "$ref": "#/$defs/definition_head"
    },
    "record": {
      "description": "'record_type':'display_input', 'record_direction':'request'",
      "type": "object",
      "properties": {
        "display": {
          "description": "display input",
          "type": [
            "object",
            "null"
          ],
          "properties": {
            "display_sign": {
              "description": "DISPLAY.CHARGEPOINT.AC|{.DC}...",
              "type": "string",
              "minLength": 5,
              "maxLength": 50,
              "pattern": "^[0-9A-Z._\\-]*$"
            },
            "display_mask_sign": {
              "description": "MASK.CHARGEPOINT.AC.L004C080 = 4 Lines, 80 Chars",
              "type": [
                "string",
                "null"
              ],
              "minLength": 0,
              "maxLength": 50,
              "pattern": "^[0-9A-Z._\\-]*$"
            },
            "display_subject_id": {
              "description": "id internal reference to legal_subject",
              "type": [
                "string",
                "null"
              ],
              "minLength": 0,
              "maxLength": 120,
              "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=]*$"
            },
            "display_region_input": {
              "description": "default, format 'DE-de'",
              "type": [
                "string",
                "null"
              ],
              "minLength": 0,
              "maxLength": 5,
              "pattern": "^[0-9a-zA-Z._\\-]*$"
            },
            "display_fields": {
              "description": "fields: values, label, input, ...",
              "type": [
                "array",
                "null"
              ],
              "items": {
                "properties": {
                  "field_sign": {
                    "description": "CHARGE.EVSEID...",
                    "type": "string",
                    "minLength": 5,
                    "maxLength": 50,
                    "pattern": "^[0-9A-Z._\\-]*$"
                  },
                  "field_type": {
                    "description": "OUTPUT.STRING...",
                    "type": "string",
                    "minLength": 5,
                    "maxLength": 50,
                    "pattern": "^[0-9A-Z._\\-]*$"
                  },
                  "field_id": {
                    "description": "id of internal reference / can be empty",
                    "type": [
                      "string",
                      "null"
                    ],
                    "minLength": 0,
                    "maxLength": 120,
                    "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=]*$"
                  },
                  "field_pattern": {
                    "description": "json pattern",
                    "type": [
                      "string",
                      "null"
                    ],
                    "minLength": 0,
                    "maxLength": 250,
                    "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=^]*$"
                  },
                  "field_value": {
                    "description": "input value",
                    "type": [
                      "string",
                      "null"
                    ],
                    "minLength": 0,
                    "maxLength": 250,
                    "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=^]*$"
                  }
                },
                "required": [
                  "field_sign",
                  "field_type",
                  "field_id",
                  "field_value"
                ]
              }
            }
          },
          "required": [
            "display_sign",
            "display_subject_id",
            "display_region_input",
            "display_fields"
          ]
        },
        "features": {
          "description": "extra features",
          "type": [
            "object",
            "null"
          ]
        }
      },
      "required": [
        "display"
      ]
    },
    "participants": {
      "description": "participants of process or communication",
      "type": [
        "array",
        "null"
      ],
      "items": {
        "$ref": "#/$defs/definition_participant"
      }
    },
    "references": {
      "description": "references to request or process(es)",
      "type": [
        "array",
        "null"
      ],
      "items": {
        "properties": {
          "reference_id": {
            "description": "id of internal reference / can be empty",
            "type": [
              "string",
              "null"
            ],
            "minLength": 0,
            "maxLength": 120,
            "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=]*$"
          },
          "head": {
            "description": "referencing head 1:1",
            "$ref": "#/$defs/definition_head"
          },
          "jws": {
            "description": "jws signature",
            "type": [
              "object",
              "null"
            ]
          }
        },
        "required": [
          "reference_id",
          "head"
        ]
      }
    }
  },
  "required": [
    "tcpp",
    "head",
    "record",
    "references"
  ],
  "$defs": {
    "definition_head": {
      "description": "unified head informations",
      "type": "object",
      "properties": {
        "record_type": {
          "description": "tcpp record",
          "type": "string",
          "minLength": 3,
          "maxLength": 50,
          "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=]*$"
        },
        "record_direction": {
          "description": "request|response|internal",
          "type": "string",
          "minLength": 3,
          "maxLength": 8,
          "pattern": "^[a-z]*$"
        },
        "record_udt": {
          "description": "universal datetime",
          "type": "string",
          "format": "date-time"
        },
        "record_pagination": {
          "description": "unique creating number",
          "type": "number",
          "minimum": 1,
          "multipleOf": 1
        },
        "record_version": {
          "description": "version",
          "type": "string",
          "minLength": 5,
          "maxLength": 10,
          "default": "1.3.0",
          "pattern": "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$"
        },
        "origin_type": {
          "description": "tcpp type of origin",
          "type": "string",
          "minLength": 3,
          "maxLength": 3,
          "pattern": "^[A-Z]*$"
        },
        "origin_id": {
          "description": "tcpp id of origin",
          "type": "string",
          "minLength": 3,
          "maxLength": 120,
          "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=]*$"
        },
        "target_type": {
          "description": "tcpp type of target",
          "type": "string",
          "minLength": 3,
          "maxLength": 3,
          "pattern": "^[A-Z]*$"
        },
        "target_id": {
          "description": "tcpp id of target",
          "type": "string",
          "minLength": 3,
          "maxLength": 120,
          "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=]*$"
        },
        "context_type": {
          "description": "tcpp type of context / can be empty",
          "type": [
            "string",
            "null"
          ],
          "minLength": 0,
          "maxLength": 3,
          "pattern": "^[A-Z]*$"
        },
        "context_id": {
          "description": "id of context / can be empty",
          "type": [
            "string",
            "null"
          ],
          "minLength": 0,
          "maxLength": 120,
          "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=]*$"
        },
        "error_code": {
          "description": "tcpp error handling, Hex",
          "type": "string",
          "pattern": "^[0-9A-F]{6}$"
        },
        "error_text": {
          "description": "tcpp error text (optional)",
          "type": [
            "string",
            "null"
          ],
          "minLength": 0,
          "maxLength": 120,
          "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=]*$"
        }
      },
      "required": [
        "record_type",
        "record_direction",
        "record_udt",
        "record_pagination",
        "record_version",
        "origin_type",
        "origin_id",
        "target_type",
        "target_id",
        "context_id",
        "context_type",
        "error_code"
      ]
    },
    "definition_participant": {
      "description": "unified participant informations",
      "type": "object",
      "properties": {
        "participant_type": {
          "description": "tcpp type",
          "type": "string",
          "minLength": 3,
          "maxLength": 3,
          "pattern": "^[A-Z]*$"
        },
        "participant_id": {
          "description": "tcpp id",
          "type": "string",
          "minLength": 3,
          "maxLength": 120,
          "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=]*$"
        },
        "participant_perms": {
          "description": "rights/functions of participation",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": "string",
            "description": "read|control|push|broker|...",
            "minLength": 3,
            "maxLength": 10,
            "pattern": "^[a-z]*$"
          }
        },
        "forwarder_type": {
          "description": "forwarder type",
          "type": [
            "string",
            "null"
          ],
          "minLength": 3,
          "maxLength": 3,
          "pattern": "^[A-Z]*$"
        },
        "forwarder_id": {
          "description": "forwarder id",
          "type": [
            "string",
            "null"
          ],
          "minLength": 3,
          "maxLength": 120,
          "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=]*$"
        },
        "approver_type": {
          "description": "approved by type",
          "type": [
            "string",
            "null"
          ],
          "minLength": 3,
          "maxLength": 3,
          "pattern": "^[A-Z]*$"
        },
        "approver_id": {
          "description": "approved by id",
          "type": [
            "string",
            "null"
          ],
          "minLength": 3,
          "maxLength": 120,
          "pattern": "^[0-9A-Za-z.,;:%&$#*_/\\-+ !?(){}\\[\\]@~=]*$"
        }
      },
      "required": [
        "participant_type",
        "participant_id",
        "participant_perms",
        "approver_type",
        "approver_id"
      ]
    }
  }
}