#pragma once

#include "query_utils.h"

#include "query.h"
#include "working_files.h"

#include <optional.h>

optional<QueryLocation> GetDefinitionSpellingOfSymbol(QueryDatabase* db, const QueryTypeId& id);
optional<QueryLocation> GetDefinitionSpellingOfSymbol(QueryDatabase* db, const QueryFuncId& id);
optional<QueryLocation> GetDefinitionSpellingOfSymbol(QueryDatabase* db, const QueryVarId& id);
optional<QueryLocation> GetDefinitionSpellingOfSymbol(QueryDatabase* db, const SymbolIdx& symbol);
optional<QueryLocation> GetDefinitionExtentOfSymbol(QueryDatabase* db, const SymbolIdx& symbol);
std::string GetHoverForSymbol(QueryDatabase* db, const SymbolIdx& symbol);
optional<QueryFileId> GetDeclarationFileForSymbol(QueryDatabase* db, const SymbolIdx& symbol);
std::vector<QueryLocation> ToQueryLocation(QueryDatabase* db, const std::vector<QueryFuncRef>& refs);
std::vector<QueryLocation> ToQueryLocation(QueryDatabase* db, const std::vector<QueryTypeId>& ids);
std::vector<QueryLocation> ToQueryLocation(QueryDatabase* db, const std::vector<QueryFuncId>& ids);
std::vector<QueryLocation> ToQueryLocation(QueryDatabase* db, const std::vector<QueryVarId>& ids);
std::vector<QueryLocation> GetUsesOfSymbol(QueryDatabase* db, const SymbolIdx& symbol);
std::vector<QueryLocation> GetDeclarationsOfSymbolForGotoDefinition(QueryDatabase* db, const SymbolIdx& symbol);
optional<QueryLocation> GetBaseDefinitionOrDeclarationSpelling(QueryDatabase* db, QueryFunc& func);
std::vector<QueryFuncRef> GetCallersForAllBaseFunctions(QueryDatabase* db, QueryFunc& root);
std::vector<QueryFuncRef> GetCallersForAllDerivedFunctions(QueryDatabase* db, QueryFunc& root);
optional<lsPosition> GetLsPosition(WorkingFile* working_file, const Position& position);
optional<lsRange> GetLsRange(WorkingFile* working_file, const Range& location);
lsDocumentUri GetLsDocumentUri(QueryDatabase* db, QueryFileId file_id, std::string* path);
lsDocumentUri GetLsDocumentUri(QueryDatabase* db, QueryFileId file_id);
optional<lsLocation> GetLsLocation(QueryDatabase* db, WorkingFiles* working_files, const QueryLocation& location);
NonElidedVector<lsLocation> GetLsLocations(QueryDatabase* db, WorkingFiles* working_files, const std::vector<QueryLocation>& locations);
// Returns a symbol. The symbol will have *NOT* have a location assigned.
optional<lsSymbolInformation> GetSymbolInfo(QueryDatabase* db, WorkingFiles* working_files, SymbolIdx symbol);

struct CommonCodeLensParams {
  std::vector<TCodeLens>* result;
  QueryDatabase* db;
  WorkingFiles* working_files;
  WorkingFile* working_file;
};

void AddCodeLens(
  const char* singular,
  const char* plural,
  CommonCodeLensParams* common,
  QueryLocation loc,
  const std::vector<QueryLocation>& uses,
  optional<QueryLocation> excluded,
  bool force_display);

lsWorkspaceEdit BuildWorkspaceEdit(QueryDatabase* db, WorkingFiles* working_files, const std::vector<QueryLocation>& locations, const std::string& new_text);

std::vector<SymbolRef> FindSymbolsAtLocation(WorkingFile* working_file, QueryFile* file, lsPosition position);
NonElidedVector<Out_CqueryTypeHierarchyTree::TypeEntry> BuildParentTypeHierarchy(QueryDatabase* db, WorkingFiles* working_files, QueryTypeId root);
optional<Out_CqueryTypeHierarchyTree::TypeEntry> BuildTypeHierarchy(QueryDatabase* db, WorkingFiles* working_files, QueryTypeId root_id);
NonElidedVector<Out_CqueryCallTree::CallEntry> BuildInitialCallTree(QueryDatabase* db, WorkingFiles* working_files, QueryFuncId root);
NonElidedVector<Out_CqueryCallTree::CallEntry> BuildExpandCallTree(QueryDatabase* db, WorkingFiles* working_files, QueryFuncId root);