pub(all) suberror WellError {
  WellError(String)
}

pub struct Assembly {
  log : Log
  sources : Array[Array[CellSource?]]
  conflicts : Array[Conflict]
  run_names : Array[String]
}

pub struct CellSource {
  run : Int
  interpolated : Bool
}

pub struct Conflict {
  row : Int
  curve : String
  depth : Double
  kept_run : Int
  incoming_run : Int
  kept_value : Double
  incoming_value : Double
}

pub(all) enum ConflictPolicy {
  Reject
  PreferFirst
  PreferLast
}

pub(all) struct Curve {
  api_code : String
  name : String
  unit : String
  description : String
}

pub struct DataLine {
  number : Int
  text : String
}

pub(all) struct Header {
  name : String
  unit : String
  value : String
  description : String
}

pub struct IntervalSummary {
  start : Double
  stop : Double
  covered : Double
  coverage : Double
  integral : Double
  weighted_mean : Double?
  segments : Int
}

pub struct Issue {
  code : String
  curve : String
  row : Int
  depth : Double
  message : String
}

pub(all) struct LasDiagnostic {
  kind : String
  clause : String
  section : String
  line : Int
  field : String
  message : String
}

pub struct LasDocument {
  source : String
}

pub(all) struct LasEntry {
  section : String
  line : Int
  header : Header
}

pub struct LasHeader {
  curves : Array[Curve]
  well : Array[Header]
  parameters : Array[Header]
  other : Array[String]
  version_headers : Array[Header]
  extra_sections : Array[LasSection]
  data : Array[DataLine]
  wrapped : Bool
  null_value : Double
}

pub(all) struct LasSection {
  title : String
  lines : Array[String]
}

pub struct Log {
  curves : Array[Curve]
  rows : Array[Array[Double?]]
  headers : Array[Header]
  parameters : Array[Header]
  other : Array[String]
  version_headers : Array[Header]
  extra_sections : Array[LasSection]
  null_value : Double
}

pub struct MissingSpan {
  first_row : Int
  last_row : Int
  start_depth : Double
  stop_depth : Double
  count : Int
  bounded : Bool
}

pub(all) struct QcRule {
  curve : String
  minimum : Double?
  maximum : Double?
  max_gradient : Double?
  constant_run : Int
}

pub struct Summary {
  present : Int
  missing : Int
  coverage : Double
  minimum : Double?
  maximum : Double?
  mean : Double?
  variance : Double?
  median : Double?
}

fn affine_curve(log : Log, name : String, scale : Double, offset : Double) -> Log raise WellError

fn append_curve(log : Log, curve : Curve, values : Array[Double?]) -> Log raise WellError

fn ascending(log : Log) -> Log raise WellError

fn assemble(runs : Array[Log], names : Array[String], grid : Array[Double], max_gap : Double, policy : ConflictPolicy, tolerance? : Double) -> Assembly raise WellError

fn assembly_report(assembly : Assembly) -> Json raise WellError

fn check_las2(document : LasDocument) -> Array[LasDiagnostic]

fn convert_curve(log : Log, name : String, unit : String) -> Log raise WellError

fn convert_value(value : Double, from : String, to : String) -> Double raise WellError

fn curve_index(log : Log, name : String) -> Int raise WellError

fn depth_grid(start : Double, stop : Double, step : Double, limit? : Int) -> Array[Double] raise WellError

fn depths(log : Log) -> Array[Double] raise WellError

fn dispatch(request : Json) -> Json raise WellError

fn document_entries(document : LasDocument) -> Array[LasEntry] raise WellError

fn document_text(document : LasDocument) -> String

fn document_to_log(document : LasDocument) -> Log raise WellError

fn execute(text : String) -> String

fn fill_constant(log : Log, name : String, value : Double) -> Log raise WellError

fn fill_linear(log : Log, name : String, max_gap : Double) -> Log raise WellError

fn gradient_curve(log : Log, name : String, output_name : String, max_gap : Double) -> Log raise WellError

fn interval_report(summary : IntervalSummary) -> Json

fn las2_report(document : LasDocument) -> Json

fn las_decimal_text(value : Double) -> String raise WellError

fn make_log(curves : Array[Curve], rows : Array[Array[Double?]], headers? : Array[Header], parameters? : Array[Header], other? : Array[String], null_value? : Double, version_headers? : Array[Header], extra_sections? : Array[LasSection]) -> Log raise WellError

fn mask_range(log : Log, name : String, minimum : Double, maximum : Double) -> Log raise WellError

fn median_filter(log : Log, name : String, radius : Int, max_gap : Double) -> Log raise WellError

fn missing_spans(log : Log, name : String) -> Array[MissingSpan] raise WellError

fn parse(text : String) -> Log raise WellError

fn parse_header(line : String) -> Header raise WellError

fn parse_number(token : String) -> Double raise WellError

fn parse_strict(text : String) -> Log raise WellError

fn provenance_csv(assembly : Assembly) -> String raise WellError

fn quality_check(log : Log, rules : Array[QcRule], max_depth_gap : Double) -> Array[Issue] raise WellError

fn quality_report(log : Log, rules : Array[QcRule], max_depth_gap : Double) -> Json raise WellError

fn quantile(log : Log, name : String, probability : Double) -> Double? raise WellError

fn read_header(text : String) -> LasHeader raise WellError

fn read_las_document(text : String) -> LasDocument raise WellError

fn read_report(text : String) -> Json raise WellError

fn rename_curve(log : Log, name : String, replacement : String) -> Log raise WellError

fn report_text(report : Json) -> String

fn resample(log : Log, grid : Array[Double], max_gap : Double) -> Log raise WellError

fn sample(log : Log, name : String, depth : Double, max_gap : Double) -> Double? raise WellError

fn select(log : Log, names : Array[String]) -> Log raise WellError

fn summarize(log : Log, name : String) -> Summary raise WellError

fn summarize_interval(log : Log, name : String, start : Double, stop : Double, max_gap : Double) -> IntervalSummary raise WellError

fn validate(log : Log) -> Unit raise WellError

fn validate_assembly(assembly : Assembly) -> Unit raise WellError

fn window(log : Log, low : Double, high : Double) -> Log raise WellError

fn write_csv(log : Log, include_units? : Bool) -> String raise WellError

fn write_las(log : Log, wrapped? : Bool) -> String raise WellError

fn write_las_strict(log : Log, wrapped? : Bool) -> String raise WellError