{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://scient.ing/ns/schemas/exercise.schema.json",
  "title": "Exercise",
  "description": "scienting-exercise/1: the body of an exercise annotation; spec/19-exercises.md.",
  "type": "object",
  "properties": {
    "format": {
      "const": "scienting-exercise/1"
    },
    "exercise": {
      "enum": [
        "anchor",
        "check",
        "trace",
        "reproduce",
        "verify"
      ]
    },
    "prompt": {
      "type": "string",
      "minLength": 1
    },
    "summary": {
      "type": "string",
      "minLength": 1
    },
    "key": {
      "type": "object",
      "properties": {
        "elements": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "anchors": {
                "type": "array",
                "items": {
                  "$ref": "anchor.schema.json"
                },
                "minItems": 1
              },
              "points": {
                "$ref": "common.schema.json#/$defs/decimal"
              },
              "feedback": {
                "type": "object",
                "properties": {
                  "hit": {
                    "type": "string"
                  },
                  "miss": {
                    "type": "string"
                  }
                },
                "required": [],
                "additionalProperties": false
              }
            },
            "required": [
              "anchors",
              "points"
            ],
            "additionalProperties": false
          },
          "minItems": 1
        },
        "verdict": {
          "type": "object",
          "properties": {
            "value": {
              "enum": [
                "supports",
                "partly",
                "does-not",
                "cannot-tell"
              ]
            },
            "points": {
              "$ref": "common.schema.json#/$defs/decimal"
            },
            "feedback": {
              "type": "object",
              "properties": {
                "hit": {
                  "type": "string"
                },
                "miss": {
                  "type": "string"
                }
              },
              "required": [],
              "additionalProperties": false
            }
          },
          "required": [
            "value",
            "points"
          ],
          "additionalProperties": false
        },
        "chain": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "anchors": {
                "type": "array",
                "items": {
                  "$ref": "anchor.schema.json"
                },
                "minItems": 1
              },
              "points": {
                "$ref": "common.schema.json#/$defs/decimal"
              },
              "feedback": {
                "type": "object",
                "properties": {
                  "hit": {
                    "type": "string"
                  },
                  "miss": {
                    "type": "string"
                  }
                },
                "required": [],
                "additionalProperties": false
              }
            },
            "required": [
              "anchors",
              "points"
            ],
            "additionalProperties": false
          },
          "minItems": 1
        },
        "value": {
          "$ref": "common.schema.json#/$defs/decimal"
        },
        "tolerance": {
          "$ref": "common.schema.json#/$defs/decimal"
        },
        "unit": {
          "type": "string",
          "minLength": 1
        },
        "digitization": {
          "$ref": "common.schema.json#/$defs/recordId"
        },
        "points": {
          "$ref": "common.schema.json#/$defs/decimal"
        },
        "feedback": {
          "type": "object",
          "properties": {
            "hit": {
              "type": "string"
            },
            "miss": {
              "type": "string"
            }
          },
          "required": [],
          "additionalProperties": false
        },
        "errors": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "anchors": {
                "type": "array",
                "items": {
                  "$ref": "anchor.schema.json"
                },
                "minItems": 1
              },
              "verdict": {
                "enum": [
                  "supports",
                  "partly",
                  "does-not",
                  "cannot-tell"
                ]
              },
              "points": {
                "$ref": "common.schema.json#/$defs/decimal"
              },
              "feedback": {
                "type": "object",
                "properties": {
                  "hit": {
                    "type": "string"
                  },
                  "miss": {
                    "type": "string"
                  }
                },
                "required": [],
                "additionalProperties": false
              }
            },
            "required": [
              "anchors",
              "verdict",
              "points"
            ],
            "additionalProperties": false
          },
          "minItems": 1
        }
      },
      "required": [],
      "additionalProperties": false
    },
    "rule": {
      "type": "object",
      "properties": {
        "match": {
          "enum": [
            "same-node",
            "overlap",
            "chain"
          ]
        },
        "min_overlap": {
          "$ref": "common.schema.json#/$defs/decimal"
        }
      },
      "required": [
        "match"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "format",
    "exercise",
    "prompt",
    "key",
    "rule"
  ],
  "additionalProperties": false,
  "allOf": [
    {
      "if": {
        "properties": {
          "exercise": {
            "const": "anchor"
          }
        }
      },
      "then": {
        "properties": {
          "key": {
            "required": [
              "elements"
            ]
          }
        }
      }
    },
    {
      "if": {
        "properties": {
          "exercise": {
            "const": "check"
          }
        }
      },
      "then": {
        "properties": {
          "key": {
            "required": [
              "elements",
              "verdict"
            ]
          }
        }
      }
    },
    {
      "if": {
        "properties": {
          "exercise": {
            "const": "trace"
          }
        }
      },
      "then": {
        "properties": {
          "key": {
            "required": [
              "chain"
            ]
          },
          "rule": {
            "properties": {
              "match": {
                "const": "chain"
              }
            }
          }
        }
      }
    },
    {
      "if": {
        "properties": {
          "exercise": {
            "const": "reproduce"
          }
        }
      },
      "then": {
        "properties": {
          "key": {
            "required": [
              "value",
              "tolerance",
              "points"
            ]
          }
        }
      }
    },
    {
      "if": {
        "properties": {
          "exercise": {
            "const": "verify"
          }
        }
      },
      "then": {
        "required": [
          "summary"
        ],
        "properties": {
          "key": {
            "required": [
              "errors"
            ]
          }
        }
      }
    }
  ]
}