import csharp

class ExternalDefect extends @externalDefect, Element {

  string getQueryPath() { exists(string path | externalDefects(this, path, _, _, _) and
                                 result = path.replaceAll("\\", "/")) }

  string getMessage() { externalDefects(this, _, _, result, _) }

  float getSeverity() { externalDefects(this, _, _, _, result) }

  Location getLocation() { externalDefects(this,_,result,_,_) }

  override string toString() {
    result = getQueryPath() + ": " + getLocation() + " - " + getMessage()
  }
}

class ExternalMetric extends @externalMetric, Element {

  string getQueryPath() { externalMetrics(this, result, _, _) }

  float getValue() { externalMetrics(this, _, _, result) }

  Location getLocation() { externalMetrics(this,_,result,_) }

  override string toString() {
    result = getQueryPath() + ": " + getLocation() + " - " + getValue()
  }
}

class ExternalData extends @externalDataElement {

  string getDataPath() { externalData(this, result, _, _) }

  string getQueryPath() { result = getDataPath().regexpReplaceAll("\\.[^.]*$", ".ql") }

  int getNumFields() { result = 1 + max(int i | externalData(this, _, i, _) | i) }

  string getField(int index) { externalData(this, _, index, result) }

  int getFieldAsInt(int index) { result = getField(index).toInt() }

  float getFieldAsFloat(int index) { result = getField(index).toFloat() }

  date getFieldAsDate(int index) { result = getField(index).toDate() }

  string toString() {
    result = getQueryPath() + ": " + buildTupleString(0)
  }

  private string buildTupleString(int start) {
    (start = getNumFields() - 1 and result = getField(start))
    or
    (start < getNumFields() - 1 and result = getField(start) + "," + buildTupleString(start+1))
  }

}

/**
 * External data with a location, and a message, as produced by tools that used to produce QLDs.
 */
class DefectExternalData extends ExternalData {
  DefectExternalData() {
    this.getField(0).regexpMatch("\\w+://.*:[0-9]+:[0-9]+:[0-9]+:[0-9]+$") and
    this.getNumFields() = 2
  }

  string getURL() { result = getField(0) }

  string getMessage() { result = getField(1) }
}