#include "row.h"

namespace usql {

    Row::Row(int cols_count) {
	    m_columns.reserve(cols_count);
	    for (int i = 0; i < cols_count; i++) {
	    	m_columns.push_back(std::make_unique<ColNullValue>());
	    }
    }

    Row::Row(const Row &other) {
	    m_columns.reserve(other.m_columns.size());
	    // TODO fixme this is nonsense
	    for (int i = 0; i < other.m_columns.size(); i++) {
		    m_columns.push_back(std::make_unique<ColNullValue>());
	    }

	    for (int i = 0; i < other.m_columns.size(); i++) {
		    if (ColIntegerValue *other_v = dynamic_cast<ColIntegerValue *>(other.m_columns[i].get())) {
			    setColumnValue(i, other_v->getIntValue());
		    }
		    if (ColDoubleValue *other_v = dynamic_cast<ColDoubleValue *>(other.m_columns[i].get())) {
			    setColumnValue(i, other_v->getDoubleValue());
		    }
		    if (ColStringValue *other_v = dynamic_cast<ColStringValue *>(other.m_columns[i].get())) {
			    setColumnValue(i, other_v->getStringValue());
		    }
	    }
    }

    Row &Row::operator=(Row other) {
	    std::swap(m_columns, other.m_columns);
	    return *this;
    }

    void Row::setColumnNull(int col_index) {
	m_columns[col_index] = std::make_unique<ColNullValue>();
    }

    void Row::setColumnValue(int col_index, long value) {
	    m_columns[col_index] = std::make_unique<ColIntegerValue>(value);
    }

    void Row::setColumnValue(int col_index, double value) {
	    m_columns[col_index] = std::make_unique<ColDoubleValue>(value);
    }

    void Row::setColumnValue(int col_index, const std::string &value) {
	    m_columns[col_index] = std::make_unique<ColStringValue>(value);
    };

    void Row::setColumnValue(ColDefNode *col_def, ColValue *col_value) {
	    if (!col_value->isNull()) {
    		if (col_def->type == ColumnType::integer_type)
    			setColumnValue(col_def->order, col_value->getIntValue());
    		else if (col_def->type == ColumnType::float_type)
    			setColumnValue(col_def->order, col_value->getDoubleValue());
    		else if (col_def->type == ColumnType::varchar_type)
    			setColumnValue(col_def->order, col_value->getStringValue());
    	} else {
    		setColumnNull(col_def->order);
    	}
    }

    void Row::setColumnValue(ColDefNode *col_def, ValueNode *col_value) {
    	if (!col_value->isNull()) {
    		if (col_def->type == ColumnType::integer_type)
    			setColumnValue(col_def->order, col_value->getIntValue());
    		else if (col_def->type == ColumnType::float_type)
    			setColumnValue(col_def->order, col_value->getDoubleValue());
    		else if (col_def->type == ColumnType::varchar_type)
    			setColumnValue(col_def->order, col_value->getStringValue());
    	} else {
    		setColumnNull(col_def->order);
    	}
    }

    void Row::print(const std::vector<int> & col_char_sizes) {
	    std::string out{"| "};

	    for (int ci = 0; ci < m_columns.size(); ci++) {
		auto value = m_columns[ci]->getStringValue();

	 	// TODO use string functions
		out.append(value + std::string(col_char_sizes[ci] - value.size(), ' ') + " | ");
	    }

	    std::cout << out << std::endl;
    }

}