{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://openajang.nedpals.xyz/schema/0.1/event.json",
  "title": "OpenAjang Event",
  "type": "object",
  "properties": {
    "$schema": {
      "const": "https://openajang.nedpals.xyz/schema/0.1/event.json"
    },
    "type": {
      "const": "event"
    },
    "id": {
      "$ref": "#/$defs/uri"
    },
    "url": {
      "$ref": "#/$defs/url"
    },
    "title": {
      "$ref": "#/$defs/text"
    },
    "summary": {
      "$ref": "#/$defs/text"
    },
    "description": {
      "$ref": "#/$defs/text"
    },
    "language": {
      "type": "string",
      "format": "oa-language"
    },
    "status": {
      "type": "string",
      "enum": [
        "scheduled",
        "postponed",
        "rescheduled",
        "cancelled",
        "completed"
      ]
    },
    "status_note": {
      "$ref": "#/$defs/text"
    },
    "starts_at": {
      "$ref": "#/$defs/when"
    },
    "ends_at": {
      "$ref": "#/$defs/when"
    },
    "time_zone": {
      "type": "string",
      "format": "oa-zone"
    },
    "previous_starts_at": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/when"
      },
      "minItems": 1,
      "uniqueItems": true
    },
    "location": {
      "$ref": "#/$defs/location"
    },
    "organizer": {
      "$ref": "#/$defs/party"
    },
    "publisher": {
      "$ref": "#/$defs/party"
    },
    "registration": {
      "$ref": "#/$defs/registration"
    },
    "tickets": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/ticket"
      },
      "minItems": 1
    },
    "image": {
      "$ref": "#/$defs/image"
    },
    "tags": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/text"
      },
      "minItems": 1,
      "uniqueItems": true
    },
    "series": {
      "$ref": "#/$defs/series"
    },
    "same_as": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/url"
      },
      "minItems": 1,
      "uniqueItems": true
    },
    "extensions": {
      "type": "object",
      "propertyNames": {
        "pattern": "^[A-Za-z0-9_.-]+:[A-Za-z0-9_.-]+$"
      }
    },
    "updated_at": {
      "$ref": "#/$defs/stamp"
    }
  },
  "required": [
    "$schema",
    "type",
    "url",
    "title",
    "status",
    "starts_at",
    "location",
    "organizer",
    "updated_at"
  ],
  "additionalProperties": true,
  "$defs": {
    "text": {
      "type": "string",
      "pattern": "\\S"
    },
    "url": {
      "type": "string",
      "format": "oa-url"
    },
    "uri": {
      "type": "string",
      "format": "oa-uri"
    },
    "stamp": {
      "type": "string",
      "format": "oa-date-time"
    },
    "date": {
      "type": "string",
      "format": "oa-date"
    },
    "when": {
      "oneOf": [
        {
          "$ref": "#/$defs/date"
        },
        {
          "$ref": "#/$defs/stamp"
        }
      ]
    },
    "party": {
      "type": "object",
      "properties": {
        "name": {
          "$ref": "#/$defs/text"
        },
        "id": {
          "$ref": "#/$defs/uri"
        },
        "url": {
          "$ref": "#/$defs/url"
        },
        "email": {
          "type": "string",
          "format": "oa-email"
        },
        "phone": {
          "$ref": "#/$defs/text"
        }
      },
      "required": [
        "name"
      ],
      "additionalProperties": true
    },
    "address": {
      "type": "object",
      "properties": {
        "street": {
          "$ref": "#/$defs/text"
        },
        "locality": {
          "$ref": "#/$defs/text"
        },
        "region": {
          "$ref": "#/$defs/text"
        },
        "postal_code": {
          "$ref": "#/$defs/text"
        },
        "country": {
          "type": "string",
          "pattern": "^[A-Z]{2}$",
          "format": "oa-country"
        }
      },
      "required": [],
      "additionalProperties": true
    },
    "physical": {
      "type": "object",
      "properties": {
        "status": {
          "type": "string",
          "enum": [
            "confirmed",
            "tentative",
            "to_be_announced"
          ]
        },
        "name": {
          "$ref": "#/$defs/text"
        },
        "id": {
          "$ref": "#/$defs/uri"
        },
        "url": {
          "$ref": "#/$defs/url"
        },
        "address": {
          "$ref": "#/$defs/address"
        },
        "coordinates": {
          "type": "object",
          "properties": {
            "latitude": {
              "type": "number",
              "minimum": -90,
              "maximum": 90
            },
            "longitude": {
              "type": "number",
              "minimum": -180,
              "maximum": 180
            }
          },
          "required": [
            "latitude",
            "longitude"
          ],
          "additionalProperties": true
        },
        "instructions": {
          "$ref": "#/$defs/text"
        }
      },
      "required": [],
      "additionalProperties": true,
      "allOf": [
        {
          "if": {
            "properties": {
              "status": {
                "const": "to_be_announced"
              }
            },
            "required": [
              "status"
            ]
          },
          "then": {},
          "else": {
            "required": [
              "name"
            ]
          }
        }
      ]
    },
    "virtual": {
      "type": "object",
      "properties": {
        "url": {
          "$ref": "#/$defs/url"
        },
        "platform": {
          "$ref": "#/$defs/text"
        },
        "instructions": {
          "$ref": "#/$defs/text"
        }
      },
      "required": [
        "url"
      ],
      "additionalProperties": true
    },
    "location": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string",
          "enum": [
            "physical",
            "virtual",
            "hybrid"
          ]
        },
        "physical": {
          "$ref": "#/$defs/physical"
        },
        "virtual": {
          "$ref": "#/$defs/virtual"
        }
      },
      "required": [
        "type"
      ],
      "additionalProperties": true,
      "allOf": [
        {
          "if": {
            "properties": {
              "type": {
                "const": "physical"
              }
            }
          },
          "then": {
            "required": [
              "physical"
            ],
            "not": {
              "required": [
                "virtual"
              ]
            }
          }
        },
        {
          "if": {
            "properties": {
              "type": {
                "const": "virtual"
              }
            }
          },
          "then": {
            "required": [
              "virtual"
            ],
            "not": {
              "required": [
                "physical"
              ]
            }
          }
        },
        {
          "if": {
            "properties": {
              "type": {
                "const": "hybrid"
              }
            }
          },
          "then": {
            "required": [
              "physical",
              "virtual"
            ]
          }
        }
      ]
    },
    "registration": {
      "type": "object",
      "properties": {
        "required": {
          "type": "boolean"
        },
        "url": {
          "$ref": "#/$defs/url"
        },
        "status": {
          "type": "string",
          "enum": [
            "not_yet_open",
            "open",
            "closed",
            "waitlist",
            "unknown"
          ]
        },
        "opens_at": {
          "$ref": "#/$defs/stamp"
        },
        "closes_at": {
          "$ref": "#/$defs/stamp"
        },
        "instructions": {
          "$ref": "#/$defs/text"
        }
      },
      "required": [
        "required"
      ],
      "additionalProperties": true
    },
    "price": {
      "type": "object",
      "properties": {
        "amount": {
          "type": "string",
          "pattern": "^(0|[1-9][0-9]*)(\\.[0-9]+)?$"
        },
        "currency": {
          "type": "string",
          "pattern": "^[A-Z]{3}$",
          "format": "oa-currency"
        }
      },
      "required": [
        "amount",
        "currency"
      ],
      "additionalProperties": true
    },
    "ticket": {
      "type": "object",
      "properties": {
        "id": {
          "$ref": "#/$defs/text"
        },
        "name": {
          "$ref": "#/$defs/text"
        },
        "description": {
          "$ref": "#/$defs/text"
        },
        "url": {
          "$ref": "#/$defs/url"
        },
        "seller": {
          "$ref": "#/$defs/party"
        },
        "price": {
          "$ref": "#/$defs/price"
        },
        "availability": {
          "type": "string",
          "enum": [
            "available",
            "limited",
            "sold_out",
            "unavailable",
            "unknown"
          ]
        },
        "sales_start": {
          "$ref": "#/$defs/stamp"
        },
        "sales_end": {
          "$ref": "#/$defs/stamp"
        }
      },
      "required": [
        "id",
        "name"
      ],
      "additionalProperties": true
    },
    "image": {
      "type": "object",
      "properties": {
        "url": {
          "$ref": "#/$defs/url"
        },
        "alt": {
          "$ref": "#/$defs/text"
        },
        "width": {
          "type": "integer",
          "minimum": 1
        },
        "height": {
          "type": "integer",
          "minimum": 1
        }
      },
      "required": [
        "url"
      ],
      "additionalProperties": true
    },
    "series": {
      "type": "object",
      "properties": {
        "id": {
          "$ref": "#/$defs/uri"
        },
        "title": {
          "$ref": "#/$defs/text"
        },
        "url": {
          "$ref": "#/$defs/url"
        }
      },
      "required": [
        "id"
      ],
      "additionalProperties": true
    }
  },
  "allOf": [
    {
      "not": {
        "required": [
          "schedule"
        ]
      }
    },
    {
      "if": {
        "properties": {
          "status": {
            "const": "rescheduled"
          }
        }
      },
      "then": {
        "required": [
          "previous_starts_at"
        ]
      }
    },
    {
      "if": {
        "properties": {
          "starts_at": {
            "type": "string",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
          }
        }
      },
      "then": {
        "properties": {
          "ends_at": {
            "$ref": "#/$defs/date"
          }
        }
      },
      "else": {
        "properties": {
          "ends_at": {
            "$ref": "#/$defs/stamp"
          }
        }
      }
    }
  ]
}