#pragma once

// for clangd
#include "interpreter_tree.hpp"
#include "visitor.hpp"
#include "parse_tree.hpp"

namespace interpreter {

class BuildVisitor : public Visitor {
public:
  explicit BuildVisitor(const parser::ParseTree& parse_tree) : parse_tree_(parse_tree) {}

  void VisitSourceFile(SourceFile* source_file) override {
    current_node_ = parse_tree_.GetRoot();
    Visit(source_file);
  }

private:
  // Sources -----------------

  void Visit(SourceFile* node) override;

  // Namespaces, partitions -----------------

  void Visit(NamespaceSources* node) override;
  void Visit(Namespace* node) override;

  // Definitions -----------------

  void Visit(ImportStatement* node) override;
  void Visit(AliasDefinitionStatement* node) override;
  void Visit(VariableDefinitionStatement* node) override;
  void Visit(FunctionDeclaration* node) override;
  void Visit(FunctionDefinitionStatement* node) override;
  void Visit(TypeDefinitionStatement* node) override;
  void Visit(AbstractTypeDefinitionStatement* node) override;
  void Visit(TypeclassDefinitionStatement* node) override;
  void Visit(PartitionStatement* node) override;

  void Visit(NamespaceStatement& node) override; // variant
  void Visit(SourceStatement& node) override; // variant

  // Definition parts

  void Visit(FunctionDefinition* node) override;
  void Visit(TypeDefinition* node) override;
  void Visit(AnyAnnotatedType* node) override;

  // Flow control -----------------

  void Visit(TypeConstructorPatternParameter* node) override;
  void Visit(TypeConstructorPattern* node) override;
  void Visit(MatchCase* node) override;
  void Visit(Match* node) override;
  void Visit(Condition* node) override;
  void Visit(DoWhileLoop* node) override;
  void Visit(WhileLoop* node) override;
  void Visit(ForLoop* node) override;
  void Visit(LoopLoop* node) override;

  void Visit(Pattern& node) override; // variant
  void Visit(FlowControl& node) override; // variant

  // Statements, expressions, blocks, etc. -----------------

  void Visit(BlockStatement& node) override; // variant

  void Visit(Block* node) override;

  void Visit(SubExpressionToken& node) override; // variant
  void Visit(SubExpression& node) override; // variant
  void Visit(PrefixedExpression& node) override; // variant
  void Visit(Expression& node) override; // variant
  void Visit(SuperExpression& node) override; // variant

  void Visit(ScopedStatement* node) override;

  // Operators

  void Visit(BinaryOperatorExpression* node) override;
  void Visit(ReferenceExpression* node) override;
  void Visit(AccessExpression* node) override;

  // Other expressions

  void Visit(FunctionCallExpression* node) override;

  void Visit(TupleExpression* node) override;
  void Visit(VariantExpression* node) override;
  void Visit(ReturnExpression* node) override;
  void Visit(TypeConstructorParameter* node) override;
  void Visit(TypeConstructor* node) override;
  void Visit(LambdaFunction* node) override;
  void Visit(ArrayExpression* node) override;

  void Visit(LoopControlExpression& node) override; // enum

  // Name

  void Visit(PartitionName* node) override;
  void Visit(NameExpression* node) override;
  void Visit(TupleName* node) override;
  void Visit(VariantName* node) override;
  void Visit(AnnotatedName* node) override;

  void Visit(AnyName& node) override; // variant

  // Type, typeclass, etc. -----------------

  // Type

  void Visit(FunctionType* node) override;
  void Visit(TupleType* node) override;
  void Visit(VariantType* node) override;
  void Visit(TypeExpression* node) override;

  void Visit(AnyType& node) override; // variant

  void Visit(ExtendedScopedAnyType* node) override;

  // Typeclass

  void Visit(ParametrizedTypeclass* node) override;

  // Typeclass & Type

  void Visit(ParametrizedType* node) override;

  // Identifiers, constants, etc. -----------------

  // // void Visit(AnyIdentifier* node) override; // std::string

  void Visit(FloatNumberLiteral* node) override;
  void Visit(NumberLiteral* node) override;
  void Visit(StringLiteral* node) override;
  void Visit(CharLiteral* node) override;
  void Visit(UnitLiteral* node) override;
  void Visit(BoolLiteral* node) override;

  void Visit(Literal& node) override; // variant
private:
  const parser::ParseTree& parse_tree_;
  parser::ParseTree::Node current_node_;
};

} // namespace interpreter