#include "matador/object/attribute_definition.hpp"

#include "matador/object/object_definition.hpp"

#include <ostream>
#include <utility>

namespace matador::object {
attribute_definition::attribute_definition(const char *name)
: attribute_definition(name, utils::basic_type::type_null, {utils::null_attributes}) {
}

attribute_definition::attribute_definition(std::string name)
: attribute_definition(std::move(name), utils::basic_type::type_null, {utils::null_attributes}) {
}

attribute_definition::attribute_definition(std::string name,
                                           const utils::basic_type type,
                                           const utils::field_attributes &attr,
                                           const null_option_type null_opt,
                                           const int index)
: attribute_definition(std::move(name), type, {attr, null_opt, index}) {
}

attribute_definition::attribute_definition(std::string name,
                                           const utils::basic_type type,
                                           const int index,
                                           const std::shared_ptr<attribute_definition> &ref_column,
                                           const utils::field_attributes &attr,
                                           const null_option_type null_opt)
: attribute_definition(std::move(name), type, {attr, null_opt, index}, {}, ref_column) {
}

attribute_definition::attribute_definition( std::string name, const utils::basic_type type, const std::shared_ptr<attribute_definition>& ref_column )
: attribute_definition(std::move(name), type, {}, {}, ref_column) {
}

attribute_definition::attribute_definition(std::string name, const utils::basic_type type, const attribute_options& options, const std::shared_ptr<object_definition>& obj, const std::shared_ptr<attribute_definition>& ref_column)
: name_( std::move( name ) )
, object_( obj )
, options_( options )
, type_( type )
, reference_column_( ref_column ) {
}

const std::string &attribute_definition::name() const {
  return name_;
}

void attribute_definition::name( const std::string& n ) {
  name_ = n;
}

std::string attribute_definition::full_name() const {
  return object_ ? object_->name() + "." + name_ : name_;
}

std::shared_ptr<object_definition> attribute_definition::object() const {
  return object_;
}

void attribute_definition::object(const std::shared_ptr<object_definition>& obj) {
  object_ = obj;
}

int attribute_definition::index() const {
  return options_.index;
}

const utils::field_attributes &attribute_definition::attributes() const {
  return options_.attributes;
}

utils::field_attributes& attribute_definition::attributes() {
  return options_.attributes;
}

bool attribute_definition::is_nullable() const {
  return options_.null_option == null_option_type::NULLABLE;
}

utils::basic_type attribute_definition::type() const {
  return type_;
}

void attribute_definition::change_type(const utils::basic_type type, const utils::field_attributes& attr) {
    options_.attributes = attr;
    type_ = type;
}

std::shared_ptr<attribute_definition> attribute_definition::reference_column() const {
  return reference_column_;
}

bool attribute_definition::is_foreign_reference() const {
  return reference_column_ != nullptr;
}

bool attribute_definition::is_integer() const {
  return type_ >= utils::basic_type::type_int8 && type_ <= utils::basic_type::type_uint64;
}

bool attribute_definition::is_floating_point() const {
  return type_ == utils::basic_type::type_float || type_ == utils::basic_type::type_double;
}

bool attribute_definition::is_bool() const {
  return type_ == utils::basic_type::type_bool;
}

bool attribute_definition::is_string() const {
  return type_ == utils::basic_type::type_text;
}

bool attribute_definition::is_varchar() const {
  return type_ == utils::basic_type::type_varchar;
}

bool attribute_definition::is_date() const {
  return type_ == utils::basic_type::type_date;
}

bool attribute_definition::is_time() const {
  return type_ == utils::basic_type::type_time;
}

bool attribute_definition::is_blob() const {
  return type_ == utils::basic_type::type_blob;
}

bool attribute_definition::is_null() const {
  return type_ == utils::basic_type::type_null;
}

attribute_definition make_column(const std::string &name, utils::basic_type type, utils::field_attributes attr,
                                 null_option_type null_opt) {
  return {name, type, attr, null_opt};
}

template<>
attribute_definition make_column<std::string>(const std::string &name, utils::field_attributes attr,
                                              null_option_type null_opt) {
  return make_column(name, utils::data_type_traits<std::string>::type(attr.size()), attr, null_opt);
}

template<>
attribute_definition make_pk_column<std::string>(const std::string &name, size_t size) {
  return make_column<std::string>(name, {size, utils::constraints::PRIMARY_KEY});
}

template<>
attribute_definition make_fk_column<std::string>(const std::string &name, size_t size, const std::shared_ptr<attribute_definition> &ref_column) {
  return {
    name, utils::data_type_traits<std::string>::type(size), 0, ref_column,
    {size, utils::constraints::FOREIGN_KEY}, null_option_type::NOT_NULL
  };
}

template<>
attribute_definition make_fk_column<std::string>( const std::string& name, const std::string& ref_table_name, const std::string& ref_column_name ) {
    return {
            name, utils::basic_type::type_varchar, 0,
            std::make_shared<attribute_definition>(ref_column_name, std::make_shared<object_definition>(ref_table_name), utils::basic_type::type_varchar, utils::constraints::FOREIGN_KEY),
            { 0, utils::constraints::FOREIGN_KEY }, null_option_type::NOT_NULL
    };
}

template<>
attribute_definition make_fk_column<std::string>(const std::string &name, size_t size, const std::string &ref_table_name, const std::string &ref_column_name) {
  const auto ref_column = std::make_shared<attribute_definition>(ref_column_name, ref_table_name, utils::basic_type::type_varchar, utils::constraints::FOREIGN_KEY);
  return {
    name, utils::data_type_traits<std::string>::type(size), 0, ref_column,
    {size, utils::constraints::FOREIGN_KEY}, null_option_type::NOT_NULL
  };
}
}