{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "http://docs.oasis-open.org/emergency/cap/v1.2/CAP-v1.2.json",
  "title": "Common Alerting Protocol Version 1.2 (JSON Binding)",
  "description": "JSON Schema representation of the OASIS CAP v1.2 standard.",
  "type": "object",
  "required": ["identifier", "sender", "sent", "status", "msgType", "scope"],
  "properties": {
    "identifier": {
      "type": "string",
      "description": "The identifier of the alert message"
    },
    "sender": {
      "type": "string",
      "description": "The identifier of the sender of the alert message"
    },
    "sent": {
      "type": "string",
      "format": "date-time",
      "description": "The time and date of the origination of the alert message"
    },
    "status": {
      "type": "string",
      "enum": ["Actual", "Exercise", "System", "Test", "Draft"],
      "description": "The code denoting the appropriate handling of the alert message"
    },
    "msgType": {
      "type": "string",
      "enum": ["Alert", "Update", "Cancel", "Ack", "Error"],
      "description": "The code denoting the nature of the alert message"
    },
    "source": {
      "type": "string",
      "description": "The text identifying the source of the alert message"
    },
    "scope": {
      "type": "string",
      "enum": ["Public", "Restricted", "Private"],
      "description": "The code denoting the intended distribution of the alert message"
    },
    "restriction": {
      "type": "string",
      "description": "The text describing the rule for limiting distribution of the restricted alert message"
    },
    "addresses": {
      "type": "string",
      "description": "The group listing of intended recipients of the alert message (Space delimited)"
    },
    "code": {
      "type": "array",
      "items": { "type": "string" },
      "description": "The code denoting the special handling of the alert message"
    },
    "note": {
      "type": "string",
      "description": "The text describing the purpose or significance of the alert message"
    },
    "references": {
      "type": "string",
      "description": "The group listing identifying earlier message(s) referenced by the alert message"
    },
    "incidents": {
      "type": "string",
      "description": "The group listing naming the referent incident(s) of the alert message"
    },
    "info": {
      "type": "array",
      "items": { "$ref": "#/definitions/info" },
      "description": "The container for all component parts of the info sub-element"
    }
  },
  "definitions": {
    "nameValuePair": {
      "type": "object",
      "required": ["valueName", "value"],
      "properties": {
        "valueName": { "type": "string" },
        "value": { "type": "string" }
      }
    },
    "info": {
      "type": "object",
      "required": ["category", "event", "urgency", "severity", "certainty"],
      "properties": {
        "language": {
          "type": "string",
          "default": "en-US",
          "description": "The code denoting the language of the info sub-element"
        },
        "category": {
          "type": "array",
          "items": {
            "type": "string",
            "enum": ["Geo", "Met", "Safety", "Security", "Rescue", "Fire", "Health", "Env", "Transport", "Infra", "CBRNE", "Other"]
          },
          "minItems": 1
        },
        "event": {
          "type": "string",
          "description": "The text denoting the type of the subject event"
        },
        "responseType": {
          "type": "array",
          "items": {
            "type": "string",
            "enum": ["Shelter", "Evacuate", "Prepare", "Execute", "Avoid", "Monitor", "Assess", "AllClear", "None"]
          }
        },
        "urgency": {
          "type": "string",
          "enum": ["Immediate", "Expected", "Future", "Past", "Unknown"]
        },
        "severity": {
          "type": "string",
          "enum": ["Extreme", "Severe", "Moderate", "Minor", "Unknown"]
        },
        "certainty": {
          "type": "string",
          "enum": ["Observed", "Likely", "Possible", "Unlikely", "Unknown"]
        },
        "audience": { "type": "string" },
        "eventCode": {
          "type": "array",
          "items": { "$ref": "#/definitions/nameValuePair" }
        },
        "effective": { "type": "string", "format": "date-time" },
        "onset": { "type": "string", "format": "date-time" },
        "expires": { "type": "string", "format": "date-time" },
        "senderName": { "type": "string" },
        "headline": { "type": "string" },
        "description": { "type": "string" },
        "instruction": { "type": "string" },
        "web": { "type": "string", "format": "uri" },
        "contact": { "type": "string" },
        "parameter": {
          "type": "array",
          "items": { "$ref": "#/definitions/nameValuePair" }
        },
        "resource": {
          "type": "array",
          "items": { "$ref": "#/definitions/resource" }
        },
        "area": {
          "type": "array",
          "items": { "$ref": "#/definitions/area" }
        }
      }
    },
    "resource": {
      "type": "object",
      "required": ["resourceDesc", "mimeType"],
      "properties": {
        "resourceDesc": { "type": "string" },
        "mimeType": { "type": "string" },
        "size": { "type": "integer" },
        "uri": { "type": "string", "format": "uri" },
        "derefUri": { "type": "string" },
        "digest": { "type": "string" }
      }
    },
    "area": {
      "type": "object",
      "required": ["areaDesc"],
      "properties": {
        "areaDesc": { "type": "string" },
        "polygon": {
          "type": "array",
          "items": { "type": "string" },
          "description": "List of coordinate pairs 'lat,lon lat,lon...'"
        },
        "circle": {
          "type": "array",
          "items": { "type": "string" },
          "description": "Point and radius 'lat,lon radius'"
        },
        "geocode": {
          "type": "array",
          "items": { "$ref": "#/definitions/nameValuePair" }
        },
        "altitude": { "type": "number" },
        "ceiling": { "type": "number" }
      }
    }
  }
}

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://alert.th/schemas/th-cap-v1.2-universal.json",
  "title": "TH-CAP Universal All-Hazard Schema",
  "description": "Standard schema for all hazard types in Thailand based on OASIS CAP v1.2",
  "type": "object",
  "required": ["identifier", "sender", "sent", "status", "msgType", "scope", "info"],
  "properties": {
    "identifier": {
      "type": "string",
      "description": "Unique ID from the agency e.g., 'TMD-2023-001'"
    },
    "sender": {
      "type": "string",
      "format": "email",
      "description": "Email or unique identifier of the agency"
    },
    "sent": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 Timestamp"
    },
    "status": {
      "type": "string",
      "enum": ["Actual", "Exercise", "System", "Test", "Draft"]
    },
    "msgType": {
      "type": "string",
      "enum": ["Alert", "Update", "Cancel", "Ack", "Error"]
    },
    "scope": {
      "type": "string",
      "enum": ["Public", "Restricted", "Private"]
    },
    "info": {
      "type": "array",
      "minItems": 1,
      "items": { "$ref": "#/definitions/infoBlock" }
    }
  },
  "definitions": {
    "nameValuePair": {
      "type": "object",
      "required": ["valueName", "value"],
      "properties": {
        "valueName": {
          "type": "string",
          "description": "Key from the Parameter Dictionary e.g., 'WaterLevel', 'Magnitude'"
        },
        "value": {
          "type": ["string", "number", "boolean"],
          "description": "The measured value e.g., '5.4', 'Rising'"
        }
      }
    },
    "infoBlock": {
      "type": "object",
      "required": ["category", "event", "urgency", "severity", "certainty", "headline", "area"],
      "properties": {
        "language": { "type": "string", "default": "th-TH" },
        "category": {
          "type": "array",
          "items": {
            "type": "string",
            "enum": ["Geo", "Met", "Safety", "Security", "Rescue", "Fire", "Health", "Env", "Transport", "Infra", "CBRNE", "Other"]
          }
        },
        "event": { "type": "string", "description": "Human readable event type e.g. 'Flood'" },
        "urgency": { "type": "string", "enum": ["Immediate", "Expected", "Future", "Past", "Unknown"] },
        "severity": { "type": "string", "enum": ["Extreme", "Severe", "Moderate", "Minor", "Unknown"] },
        "certainty": { "type": "string", "enum": ["Observed", "Likely", "Possible", "Unlikely", "Unknown"] },
        "headline": { "type": "string" },
        "description": { "type": "string" },
        "instruction": { "type": "string" },
        "area": {
          "type": "array",
          "items": { "$ref": "#/definitions/areaBlock" }
        },
        "parameter": {
          "type": "array",
          "description": "Dynamic fields for specific hazard data",
          "items": { "$ref": "#/definitions/nameValuePair" }
        }
      }
    },
    "areaBlock": {
      "type": "object",
      "required": ["areaDesc"],
      "properties": {
        "areaDesc": { "type": "string" },
        "polygon": { "type": "array", "items": { "type": "string" } },
        "circle": { "type": "array", "items": { "type": "string" } },
        "geocode": {
          "type": "array",
          "items": { "$ref": "#/definitions/nameValuePair" }
        }
      }
    }
  }
}