{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://asterisk.coop/taco/spec/extensions/stac/v1.0.0/schema.json",
  "title": "STAC",
  "description": "Temporal, spatial and STAC metadata profiles.",
  "type": "object",
  "required": [
    "taco:extensions",
    "taco:metadata"
  ],
  "properties": {
    "taco:extensions": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "allOf": [
        {
          "contains": {
            "const": "https://asterisk.coop/taco/spec/extensions/stac/v1.0.0/schema.json"
          }
        }
      ]
    },
    "taco:metadata": {
      "type": "object",
      "additionalProperties": {
        "$ref": "#/$defs/level"
      }
    }
  },
  "propertyNames": {
    "anyOf": [
      {
        "not": {
          "pattern": "^(temporal|spatial|stac):"
        }
      }
    ]
  },
  "$defs": {
    "level": {
      "type": "object",
      "propertyNames": {
        "anyOf": [
          {
            "not": {
              "pattern": "^(temporal|spatial|stac):"
            }
          },
          {
            "enum": [
              "spatial:bbox",
              "spatial:centroid",
              "spatial:geometry",
              "spatial:proj_code",
              "spatial:proj_shape",
              "spatial:proj_transform",
              "stac:bbox",
              "stac:centroid",
              "stac:datetime",
              "stac:end_datetime",
              "stac:geometry",
              "stac:proj_code",
              "stac:proj_shape",
              "stac:proj_transform",
              "stac:start_datetime",
              "temporal:datetime",
              "temporal:end_datetime",
              "temporal:start_datetime"
            ]
          }
        ]
      },
      "properties": {
        "temporal:datetime": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "timestamp[us, UTC]"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "temporal:start_datetime": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "timestamp[us, UTC]"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "temporal:end_datetime": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "timestamp[us, UTC]"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "spatial:geometry": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "binary"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "spatial:bbox": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "list<double>"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "spatial:centroid": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "struct<lon: float, lat: float>"
            },
            "nullable": {
              "type": "boolean"
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "spatial:proj_code": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "string"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "spatial:proj_shape": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "list<int64>"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "spatial:proj_transform": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "list<double>"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "stac:geometry": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "binary"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "stac:bbox": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "list<double>"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "stac:centroid": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "struct<lon: float, lat: float>"
            },
            "nullable": {
              "type": "boolean"
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "stac:proj_code": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "string"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "stac:proj_shape": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "list<int64>"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "stac:proj_transform": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "list<double>"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "stac:datetime": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "timestamp[us, UTC]"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "stac:start_datetime": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "timestamp[us, UTC]"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "stac:end_datetime": {
          "type": "object",
          "required": [
            "type",
            "nullable",
            "description"
          ],
          "properties": {
            "type": {
              "const": "timestamp[us, UTC]"
            },
            "nullable": {
              "const": true
            },
            "description": {
              "type": "string"
            }
          },
          "additionalProperties": false
        }
      },
      "allOf": [
        {
          "if": {
            "anyOf": [
              {
                "required": [
                  "temporal:datetime"
                ]
              },
              {
                "required": [
                  "temporal:start_datetime"
                ]
              },
              {
                "required": [
                  "temporal:end_datetime"
                ]
              }
            ]
          },
          "then": {
            "required": [
              "temporal:datetime",
              "temporal:start_datetime",
              "temporal:end_datetime"
            ]
          }
        },
        {
          "if": {
            "anyOf": [
              {
                "required": [
                  "spatial:geometry"
                ]
              },
              {
                "required": [
                  "spatial:bbox"
                ]
              },
              {
                "required": [
                  "spatial:centroid"
                ]
              },
              {
                "required": [
                  "spatial:proj_code"
                ]
              },
              {
                "required": [
                  "spatial:proj_shape"
                ]
              },
              {
                "required": [
                  "spatial:proj_transform"
                ]
              }
            ]
          },
          "then": {
            "required": [
              "spatial:geometry",
              "spatial:bbox",
              "spatial:centroid",
              "spatial:proj_code",
              "spatial:proj_shape",
              "spatial:proj_transform"
            ]
          }
        },
        {
          "if": {
            "anyOf": [
              {
                "required": [
                  "stac:geometry"
                ]
              },
              {
                "required": [
                  "stac:bbox"
                ]
              },
              {
                "required": [
                  "stac:centroid"
                ]
              },
              {
                "required": [
                  "stac:proj_code"
                ]
              },
              {
                "required": [
                  "stac:proj_shape"
                ]
              },
              {
                "required": [
                  "stac:proj_transform"
                ]
              },
              {
                "required": [
                  "stac:datetime"
                ]
              },
              {
                "required": [
                  "stac:start_datetime"
                ]
              },
              {
                "required": [
                  "stac:end_datetime"
                ]
              }
            ]
          },
          "then": {
            "required": [
              "stac:geometry",
              "stac:bbox",
              "stac:centroid",
              "stac:proj_code",
              "stac:proj_shape",
              "stac:proj_transform",
              "stac:datetime",
              "stac:start_datetime",
              "stac:end_datetime"
            ]
          }
        },
        {
          "not": {
            "anyOf": [
              {
                "allOf": [
                  {
                    "anyOf": [
                      {
                        "required": [
                          "temporal:datetime"
                        ]
                      },
                      {
                        "required": [
                          "temporal:start_datetime"
                        ]
                      },
                      {
                        "required": [
                          "temporal:end_datetime"
                        ]
                      }
                    ]
                  },
                  {
                    "anyOf": [
                      {
                        "required": [
                          "spatial:geometry"
                        ]
                      },
                      {
                        "required": [
                          "spatial:bbox"
                        ]
                      },
                      {
                        "required": [
                          "spatial:centroid"
                        ]
                      },
                      {
                        "required": [
                          "spatial:proj_code"
                        ]
                      },
                      {
                        "required": [
                          "spatial:proj_shape"
                        ]
                      },
                      {
                        "required": [
                          "spatial:proj_transform"
                        ]
                      }
                    ]
                  }
                ]
              },
              {
                "allOf": [
                  {
                    "anyOf": [
                      {
                        "required": [
                          "temporal:datetime"
                        ]
                      },
                      {
                        "required": [
                          "temporal:start_datetime"
                        ]
                      },
                      {
                        "required": [
                          "temporal:end_datetime"
                        ]
                      }
                    ]
                  },
                  {
                    "anyOf": [
                      {
                        "required": [
                          "stac:geometry"
                        ]
                      },
                      {
                        "required": [
                          "stac:bbox"
                        ]
                      },
                      {
                        "required": [
                          "stac:centroid"
                        ]
                      },
                      {
                        "required": [
                          "stac:proj_code"
                        ]
                      },
                      {
                        "required": [
                          "stac:proj_shape"
                        ]
                      },
                      {
                        "required": [
                          "stac:proj_transform"
                        ]
                      },
                      {
                        "required": [
                          "stac:datetime"
                        ]
                      },
                      {
                        "required": [
                          "stac:start_datetime"
                        ]
                      },
                      {
                        "required": [
                          "stac:end_datetime"
                        ]
                      }
                    ]
                  }
                ]
              },
              {
                "allOf": [
                  {
                    "anyOf": [
                      {
                        "required": [
                          "spatial:geometry"
                        ]
                      },
                      {
                        "required": [
                          "spatial:bbox"
                        ]
                      },
                      {
                        "required": [
                          "spatial:centroid"
                        ]
                      },
                      {
                        "required": [
                          "spatial:proj_code"
                        ]
                      },
                      {
                        "required": [
                          "spatial:proj_shape"
                        ]
                      },
                      {
                        "required": [
                          "spatial:proj_transform"
                        ]
                      }
                    ]
                  },
                  {
                    "anyOf": [
                      {
                        "required": [
                          "stac:geometry"
                        ]
                      },
                      {
                        "required": [
                          "stac:bbox"
                        ]
                      },
                      {
                        "required": [
                          "stac:centroid"
                        ]
                      },
                      {
                        "required": [
                          "stac:proj_code"
                        ]
                      },
                      {
                        "required": [
                          "stac:proj_shape"
                        ]
                      },
                      {
                        "required": [
                          "stac:proj_transform"
                        ]
                      },
                      {
                        "required": [
                          "stac:datetime"
                        ]
                      },
                      {
                        "required": [
                          "stac:start_datetime"
                        ]
                      },
                      {
                        "required": [
                          "stac:end_datetime"
                        ]
                      }
                    ]
                  }
                ]
              }
            ]
          }
        }
      ]
    }
  }
}