import os

class Node:
	aliasIndex = 0
	def __init__(self, name):
		global aliasIndex
		self.name=name
		self.children=[]
		self.alias = 'a' + repr(Node.aliasIndex)
		Node.aliasIndex = Node.aliasIndex + 1
		
	def addChild(self, child):
		self.children.append(child)
	
	def dumpNode(self):
		components = self.name.split(":")
		print self.alias + ' [shape = record, label="' + components[0] + '\\n' + components[1] + '\\n' + components[3] + '"];'
		for child in self.children:
			child.dumpNode()
			components = child.name.split(":")
			if (len(components) > 3):
				print self.alias + ' -> ' + child.alias + '[style=solid, arrowhead=vee, label="' + components[4] + '"];'
			else:
				print self.alias + ' -> ' + child.alias + '[style=solid, arrowhead=vee];'

def getLevel(chunks):
	for i in range(len(chunks)):
		if (chunks[i].find(":") >1):
			return i
	      
f=os.popen("mvn dependency:tree")
foundStart=0
foundEnd=0
root=Node("root")
parent=root
currentLevel=1 # 0-based, 0=root, 1=root's children, 2=root's grandchildren, etc.
stack=[]
for i in f.readlines():
	if (i.startswith("[INFO] [dependency:tree {execution: default-cli}]")):
		foundStart=1
	elif (foundStart == 1 and i.startswith("[INFO] ------------------------------------------------------------------------")):
		foundEnd = 1
	elif (foundStart == 1 and foundEnd == 0):
		chunks = i.split()                              
		level=getLevel(chunks)
		if (level > currentLevel):
			stack.append(parent)
			parent=parent.children[-1]
			currentLevel = level
		elif (level < currentLevel):
			parent = stack.pop()
			currentLevel = level
		parent.addChild(Node(chunks[level]))
	      
print 'digraph sample {'
print 'nodesep=1.0'
print 'ranksep=1.0'
print 'rankdir=TB'
print 'bgcolor=white'
print 'concentrate=true'
print 'node [style="filled", fillcolor=lightyellow, color=black, shape=box];'
root.children[0].dumpNode()
print '}'