{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.com/schemas/messagebird/conversation.json",
  "title": "MessageBird Conversation",
  "description": "Represents an omnichannel conversation thread in the MessageBird Conversations API, consolidating messages from multiple channels into a single contact interaction.",
  "type": "object",
  "required": ["id"],
  "properties": {
    "id": {
      "type": "string",
      "description": "The unique identifier of the conversation."
    },
    "contactId": {
      "type": "string",
      "description": "The unique identifier of the contact associated with this conversation."
    },
    "contact": {
      "$ref": "#/$defs/Contact"
    },
    "channels": {
      "type": "array",
      "description": "The messaging channels used in this conversation.",
      "items": {
        "$ref": "#/$defs/Channel"
      }
    },
    "status": {
      "type": "string",
      "description": "The status of the conversation.",
      "enum": ["active", "archived"]
    },
    "createdDatetime": {
      "type": "string",
      "format": "date-time",
      "description": "The date and time when the conversation was created."
    },
    "updatedDatetime": {
      "type": "string",
      "format": "date-time",
      "description": "The date and time when the conversation was last updated."
    },
    "lastReceivedDatetime": {
      "type": "string",
      "format": "date-time",
      "description": "The date and time of the last received message."
    },
    "lastUsedChannelId": {
      "type": "string",
      "description": "The identifier of the last channel used in the conversation."
    }
  },
  "$defs": {
    "Contact": {
      "type": "object",
      "description": "A contact associated with one or more conversations.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The unique identifier of the contact."
        },
        "href": {
          "type": "string",
          "format": "uri",
          "description": "The URL of the contact resource."
        },
        "msisdn": {
          "type": "string",
          "description": "The phone number of the contact in international format."
        },
        "displayName": {
          "type": "string",
          "description": "The display name of the contact."
        },
        "firstName": {
          "type": "string",
          "description": "The first name of the contact."
        },
        "lastName": {
          "type": "string",
          "description": "The last name of the contact."
        },
        "customDetails": {
          "type": "object",
          "description": "Custom details associated with the contact.",
          "additionalProperties": {
            "type": "string"
          }
        },
        "createdDatetime": {
          "type": "string",
          "format": "date-time",
          "description": "The date and time when the contact was created."
        },
        "updatedDatetime": {
          "type": "string",
          "format": "date-time",
          "description": "The date and time when the contact was last updated."
        }
      }
    },
    "Channel": {
      "type": "object",
      "description": "A messaging channel through which conversations take place.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The unique identifier of the channel."
        },
        "name": {
          "type": "string",
          "description": "The name of the channel."
        },
        "platformId": {
          "type": "string",
          "description": "The messaging platform.",
          "enum": ["sms", "whatsapp", "facebook", "telegram", "line", "wechat", "email"]
        },
        "status": {
          "type": "string",
          "description": "The status of the channel.",
          "enum": ["active", "inactive", "pending"]
        },
        "createdDatetime": {
          "type": "string",
          "format": "date-time",
          "description": "The date and time when the channel was created."
        },
        "updatedDatetime": {
          "type": "string",
          "format": "date-time",
          "description": "The date and time when the channel was last updated."
        }
      }
    },
    "ConversationMessage": {
      "type": "object",
      "description": "A message within a conversation.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The unique identifier of the message."
        },
        "conversationId": {
          "type": "string",
          "description": "The conversation this message belongs to."
        },
        "channelId": {
          "type": "string",
          "description": "The channel through which the message was sent."
        },
        "platform": {
          "type": "string",
          "description": "The messaging platform."
        },
        "to": {
          "type": "string",
          "description": "The recipient identifier."
        },
        "from": {
          "type": "string",
          "description": "The sender identifier."
        },
        "direction": {
          "type": "string",
          "description": "The direction of the message.",
          "enum": ["sent", "received"]
        },
        "status": {
          "type": "string",
          "description": "The delivery status.",
          "enum": ["accepted", "pending", "sent", "delivered", "read", "failed", "deleted"]
        },
        "type": {
          "type": "string",
          "description": "The type of content.",
          "enum": ["text", "image", "video", "audio", "file", "location", "hsm"]
        },
        "content": {
          "type": "object",
          "description": "The message content, structure depends on type."
        },
        "createdDatetime": {
          "type": "string",
          "format": "date-time",
          "description": "The date and time when the message was created."
        },
        "updatedDatetime": {
          "type": "string",
          "format": "date-time",
          "description": "The date and time when the message was last updated."
        }
      }
    }
  }
}