// Explore outgoing desclaration dependencies of modules 8

 MATCH (source:TS:Module)-[rm:DEPENDS_ON]->(target:ExternalModule)
 WHERE source.globalFqn = '/Users/johnny/Repositories/git/react-router/packages/react-router-native/index.tsx'
   AND target.globalFqn = '/Users/johnny/Repositories/git/react-router/packages/router/history.ts'
  WITH source
      ,target
      ,count(DISTINCT target)        AS numberOfExternalModules
      ,sum(rm.cardinality)           AS sumOfExternalModulesCardinalities
OPTIONAL MATCH (source)-[rd:DEPENDS_ON]->(declaration:ExternalDeclaration)<-[:EXPORTS]-(target)
  WITH source
      ,target
      ,numberOfExternalModules
      ,sumOfExternalModulesCardinalities
      ,collect(DISTINCT declaration) AS declarations // TODO remove after debugging
      ,count(DISTINCT declaration)   AS numberOfDeclarations
      ,sum(rd.cardinality)           AS sumOfDeclarationCardinalities
OPTIONAL MATCH (source)-[:DECLARES]->(abstraction:TypeAlias|Interface)-[ra:DEPENDS_ON]->(target)
  WITH source
      ,target
      ,declarations // TODO remove after debugging
      ,numberOfExternalModules
      ,sumOfExternalModulesCardinalities
      ,numberOfDeclarations
      ,sumOfDeclarationCardinalities
      ,collect(DISTINCT abstraction) AS abstractions // TODO remove after debugging
      ,count(DISTINCT abstraction)   AS numberOfAbstractions
      ,sum(ra.cardinality)           AS sumOfAbstractionCardinalities
OPTIONAL MATCH (source)-[:DECLARES]->(implementation:!TypeAlias&!Interface)-[ri:DEPENDS_ON]->(target)
  WITH source
      ,target
      ,declarations // TODO remove after debugging
      ,abstractions // TODO remove after debugging
      ,numberOfExternalModules
      ,sumOfExternalModulesCardinalities
      ,numberOfDeclarations
      ,sumOfDeclarationCardinalities
      ,numberOfAbstractions
      ,sumOfAbstractionCardinalities
      ,collect(DISTINCT implementation) AS implementations // TODO remove after debugging
      ,count(DISTINCT implementation)   AS numberOfImplementations
      ,sum(ri.cardinality)              AS sumOfImplementationCardinalities
RETURN source.globalFqn  AS sourceFqn
      ,numberOfExternalModules
      ,numberOfDeclarations
      ,numberOfAbstractions
      ,numberOfImplementations
      ,sumOfExternalModulesCardinalities
      ,sumOfDeclarationCardinalities
      ,sumOfAbstractionCardinalities
      ,sumOfImplementationCardinalities
      ,source       // TODO remove after debugging
      ,collect(DISTINCT target) AS targets     // TODO remove after debugging
      ,declarations // TODO remove after debugging
      ,abstractions // TODO remove after debugging
      ,implementations     // TODO remove after debugging
ORDER BY source.globalFqn ASC