import sqlite3
import csv
import os
from uuid import uuid4
from os import path
import chemical as chem
import recipe as rec
import supply as sup

RECIPES='recipes/'
SUPPLY='supply.csv'

con = sqlite3.connect('developers.sqlite')
cursor = con.cursor()

chems = chem.Chemical(con)
recs = rec.Recipe(con)
sups = sup.Supply(con)

def uuid () :
	return str(uuid4())

def createComponent (chemical, recipe_id, chemical_id, g, ml, makes, note) :
	id = uuid()
	query="INSERT OR IGNORE INTO components (component_id,recipe_id,chemical_id,grams,milliliters,makes,note) VALUES (?,?,?,?,?,?,?);"
	cursor.execute(query, (id, recipe_id, chemical_id, g, ml, makes, note))
	con.commit()
	val=f"{g}g" if g != 'NULL' else f"{ml}ml"
	print(f"Added component {chemical} {val}")

def importRecipe (filePath) :
	name = path.basename(filePath).replace('.csv', '').replace('_', ' ')
	recipe_id = recs.exists(name)

	if recipe_id != '' :
		print(f"Recipe {name} already exists")
		return

	recipe_id = recs.create(name)

	with open(filePath, newline='') as csvfile:
		reader = csv.reader(csvfile, delimiter=',', quotechar='|')
		for row in reader:
			chemical=row[0]
			if chemical == 'chemical' :
				continue
			g=float(row[1]) if row[1] != '' else 'NULL'
			ml=float(row[2]) if row[2] != '' else 'NULL'
			makes=int(row[3])
			note=row[4]
			chemical_id=chems.identify(chemical)
			createComponent(chemical, recipe_id, chemical_id, g, ml, makes, note)
	print(f"Imported {name}")

def displayCents (val) :
	return '${:,.2f}'.format(val / 100.0)

def displayCost (ml) :
	query = "SELECT recipe_id,UPPER(name) FROM recipes ORDER BY name ASC;"
	cursor.execute(query)
	rows = cursor.fetchall()
	for row in rows:
		recipe = row[1]
		print(f"{recipe}: {ml/1000} liters")
		query = """SELECT a.name AS name, (c.grams * (s.price/s.grams)) / c.makes AS cost, (c.grams/c.makes) FROM components AS c 
			INNER JOIN supply AS s 
				ON c.chemical_id = s.chemical_id 
			INNER JOIN chemicals AS a 
				ON c.chemical_id = a.chemical_id
			WHERE c.recipe_id = ?
			GROUP BY name
			ORDER BY cost ASC;
			"""

		cursor.execute(query, (row[0],))
		components = cursor.fetchall()

		total = 0
		for component in components:
			name = component[0]
			price = component[1] * ml
			grams = component[2] * ml
			total += price
			print(f"{name} : [{grams}g] {displayCents(price)}")
		print("------")
		print(f"Total: {displayCents(total)}")
		print("------")

print('-------')
print('SUPPLY')
print('-------')

with open(SUPPLY, newline='') as csvfile:
	reader = csv.reader(csvfile, delimiter=',', quotechar='|')
	for row in reader:
		#print(row)
		c=row[0]
		if c == 'chemical' :
			continue
		url=row[1]
		g=float(row[2]) if row[2] != '' else 'NULL'
		ml=float(row[3]) if row[3] != '' else 'NULL'
		price=int(row[4])
		chemical_id = chems.identify(c)
		#problem area
		supply_id = sups.identify(chemical_id, url, g, ml, price)
		sups.display(supply_id, c)
#exit()
print('-------')
print('RECIPES')
print('-------')

for recipe in os.listdir(RECIPES):
	if recipe.endswith('.csv') :
		filePath=f'{RECIPES}{recipe}'
		importRecipe(filePath)

print('----')
print('COST')
print('----')

displayCost(125) #gallon