#include <iostream>
using namespace std;

int main()
{
	void drawAChristmasTree();

	cout << "Peter Fletcher - Adams - Due 11 December 2018 \n \n";
	drawAChristmasTree();

	system("pause");
	return 0;
}

void drawAChristmasTree()
{
	void getValidHeight(int&);
	void drawFoliage(int&, int&);
	void drawTrunk(int&);

	int treeHeight, branch;

	getValidHeight(treeHeight);
	drawFoliage(treeHeight, branch);
	drawTrunk(branch);
}

void getValidHeight(int& height)
{
	const int MinSize = 4;
	const int MaxSize = 20;
	cout << "Enter the size of the tree (4-20): ";
	cin >> height;
	while ((height > MaxSize) || (height < MinSize))
	{
		cout << "Invalid height! Enter the size of the tree (4-20): ";
		cin >> height;
	}
}

void drawFoliage(int& height, int& branch)
{
	void drawALineOfFoliage(int& ,int&);

	int branchLine(1);

	do
	{
		drawALineOfFoliage(height, branch);
		branchLine = branchLine + 1;
	}
	while (branchLine <= (height - 2));
}

void drawALineOfFoliage(int& height, int& branch)
{
	const char LEAF = '#';
	//char randomDecoration;

	int width(1 + (branch * 2));

	for (int f = 0; f < (height - branch - 2); f++)
	{
		cout << " ";
	}
	for (int f = 0; f < width; f++)
	{
		cout << "#";
	}
	cout << "\n";
}

void drawTrunk(int& height)
{
	int trunkLine, spaces;
	const char BLANK = ' ';
	const char WOOD = '|';

	trunkLine = 1;

	do
	{
		spaces = 1;
		do
		{
			cout << BLANK;
		} while (spaces <= height - 2);
		cout << WOOD << "\n";
		trunkLine = trunkLine + 1;
	} while (trunkLine <= 2);
}

/*char randomDecoration()
{

}*/