{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "personal-information.schema.json",
    "title": "Personal Information",
    "description": "A person's information",
    "type": "object",
    "properties": {
      "email": {
        "description": "The person's email",
        "$ref": "#/$defs/email_field"
      },
      "primaryPostalAddress": {
        "description": "The person's primary postal address",
        "$ref": "#/$defs/postal_address_field"
      },
      "secondaryPostalAddress": {
        "description": "The person's secondary postal address",
        "$ref": "#/$defs/postal_address_field"
      },
      "primaryPhoneNumber": {
        "description": "The person's primary phone number",
        "$ref": "#/$defs/phone_number_field"
      },
      "secondaryPhoneNumber": {
        "description": "The person's secondary phone number",
        "$ref": "#/$defs/phone_number_field"
      }
    },
    "required": [],
    "additionalProperties": false,
    "$defs": {
      "string_field": {
        "type": "object",
        "properties": {
          "value": {
            "type": "string"
          },
          "source": {
            "type": "string"
          },
          "certificationDate": {
            "type": "string",
            "format": "date-time"
          }
        },
        "required": [
          "value"
        ],
        "additionalProperties": false
      },
      "date_field": {
        "type": "object",
        "properties": {
          "value": {
            "type": "string",
            "format": "date"
          },
          "source": {
            "type": "string"
          },
          "certificationDate": {
            "type": "string",
            "format": "date-time"
          }
        },
        "required": [
          "value"
        ],
        "additionalProperties": false
      },
      "email_field": {
        "type": "object",
        "properties": {
          "value": {
            "type": "string",
            "format": "email"
          },
          "source": {
            "type": "string"
          },
          "certificationDate": {
            "type": "string",
            "format": "date-time"
          }
        },
        "required": [
          "value"
        ],
        "additionalProperties": false
      },
      "postal_address_field": {
        "$comment": "Rough implementation of the AFNOR NF Z 10-011 standard",
        "type": "object",
        "properties": {
          "value": {
            "type": "object",
            "properties": {
              "line1": {
                "type": "string",
                "maxLength": 38
              },
              "line2": {
                "type": "string",
                "maxLength": 38
              },
              "line3": {
                "type": "string",
                "maxLength": 38
              },
              "line4": {
                "type": "string",
                "maxLength": 38
              },
              "line5": {
                "type": "string",
                "maxLength": 38
              },
              "line6": {
                "type": "string",
                "maxLength": 38
              },
              "line7": {
                "type": "string",
                "maxLength": 38
              }
            },
            "$comment": "At least first line is expected to be filled",
            "required": [
              "line1"
            ],
            "additionalProperties": false
          },
          "source": {
            "type": "string"
          },
          "certificationDate": {
            "type": "string",
            "format": "date-time"
          }
        },
        "required": [
          "value"
        ],
        "additionalProperties": false
      },
      "phone_number_field": {
        "type": "object",
        "properties": {
          "value": {
            "type": "string",
            "$comment": "E.164 standard",
            "pattern": "^\\+?[1-9]\\d{1,14}$"
          },
          "source": {
            "type": "string"
          },
          "certificationDate": {
            "type": "string",
            "format": "date-time"
          }
        },
        "required": [
          "value"
        ],
        "additionalProperties": false
      },
      "gender_field": {
        "type": "object",
        "properties": {
          "value": {
            "type": "integer",
            "$comment": "ISO/IEC 5218",
            "enum": [0, 1, 2, 9]
          },
          "source": {
            "type": "string"
          },
          "certificationDate": {
            "type": "string",
            "format": "date-time"
          }
        },
        "required": [
          "value"
        ],
        "additionalProperties": false
      },
      "country_field": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "isoValue": {
            "type": "string",
            "$comment": "ISO 3166-1 alpha-3",
            "minLength": 3,
            "maxLength": 3
          },
          "source": {
            "type": "string"
          },
          "certificationDate": {
            "type": "string",
            "format": "date-time"
          }
        },
        "oneOf": [
          {
              "required": [
                  "name"
              ]
          },
          {
              "required": [
                  "isoValue"
              ]
          }
        ],
        "additionalProperties": false
      }
    }
  }