# LANDSCAPE GARDENING QUOTE
# Frans Coenen
# University of Liverpool
# 18 March 2013
   
# Constants
LAWN_COST          = 15.5
PATIO_COST         = 20.99
WATER_FEATURE_COST = 150.0
LABOUR_COST        = 16.49
LAWN_TIME          = 20.0
PATIO_TIME         = 20.0
WATER_FEATURE_TIME = 60.0

# Function to input details of a landscape item defined by a length 
# and width    
def inputDimensionsForTypeOneItem(item) :
	s = 'Enter length of ' + item + ': '
	length = int(input(s))
	s = 'Enter width of ' + item + ': '
	width  = int(input(s))
	return(length,width)	
	
# Function to input details of a landscape item defined by a quantity
def inputNumberForTypeTwoItem(item) :
	s = 'Enter number of ' + item + ': '
	quantity = int(input(s))
	return(quantity)
	
# Function to calculate, output to screen and return the material cost 
# and time required to instal a landscape item defined in terms of a 
# length and width  
def costCalculationTypeOneItem(num,item,length,width,cost,time) :	
	print('[ {0} ]'.format(num))
	print('Length and width of the {0} area = {1} x {2} (m)'.\
										format(item,length,width))
	area = length * width
	print('Total area of the {0} = {1:.2f} (m^2)'.format(item,area))
	print('Cost of the {0} = {1} pounds (per m^2)'.format(item,cost))
	totalCost = area * cost
	print('Total cost of the {0} = {1:.2f} pounds\n'.\
										format(item,totalCost))
	totalTime = area * time
	return totalCost, totalTime	
	
# Function to calculate, output to screen and return the material cost 
# and time required to instal a landscape item defined in terms of 
# quantity  
def costCalculationTypeTwoItem(num,item,quantity,cost,time) :
	print('[ {0} ]'.format(num))
	print('Number of {0} = {1}'.format(item,quantity))
	print('Cost of one {0} = {1} pounds'.format(item,cost))
	totalCost = quantity * cost
	print('Total cost of {0} x {1} = {2:.2f} pounds\n'.\
										format(quantity,item,totalCost))
	totalTime = quantity * time
	return totalCost, totalTime	

# Inputs
lawnLength, lawnWidth   = inputDimensionsForTypeOneItem('lawn')
patioLength, patioWidth = inputDimensionsForTypeOneItem('concrete_patio')
waterFeartureQuantity   = inputNumberForTypeTwoItem('water_features')

# Calculate cost and time (and output to screen)
lawnCost, lawnTime   = costCalculationTypeOneItem(1,'lawn',lawnLength, \
			lawnWidth,LAWN_COST,LAWN_TIME)
patioCost, patioTime = costCalculationTypeOneItem(2,'concrete_patio', \
			patioLength,patioWidth,PATIO_COST,PATIO_TIME)
waterFeatureCost, waterFeatureTime = costCalculationTypeTwoItem(3, \
			'water_features',waterFeartureQuantity,WATER_FEATURE_COST, \
			WATER_FEATURE_TIME)

# Calculate working costs
print('Working Costs:')
totalTime  = (lawnTime + patioTime + waterFeatureTime) / 60.0
labourCost = totalTime * LABOUR_COST 
print('Total Time to Complete the work (labour) in hours = {0:.2f}'. \
			format(totalTime))
print('Cost of the work (per hour) = {0:.2f}'.format(LABOUR_COST))
print('Total cost of the work (labour) = {0:.2f}\n'.format(labourCost))

# Calculate total fee payable by the customer
materialCost = lawnCost + patioCost + waterFeatureCost
totalCost    = materialCost + labourCost
print('Total fee payable by the customer (labour + materials) = \
			{0:.2f}\n'.format(totalCost))