from __future__ import unicode_literals

import frappe, sys
import erpnext
import frappe.utils
from erpnext.demo.user import hr, sales, purchase, manufacturing, stock, accounts, projects, fixed_asset, schools
from erpnext.demo.setup import education, manufacture, setup_data
"""
Make a demo

1. Start with a fresh account

bench --site demo.erpnext.dev reinstall

2. Install Demo

bench --site demo.erpnext.dev execute erpnext.demo.demo.make

3. If Demo breaks, to continue

bench --site demo.erpnext.dev execute erpnext.demo.demo.simulate

"""

def make(domain='Manufacturing'):
	frappe.flags.domain = domain
	frappe.flags.mute_emails = True
	setup_data.setup(domain)
	if domain== 'Manufacturing':
		manufacture.setup_data()
	elif domain== 'Education':
		education.setup_data()
	
	site = frappe.local.site
	frappe.destroy()
	frappe.init(site)
	frappe.connect()
	simulate(domain)

def simulate(domain='Manufacturing'):
	runs_for = frappe.flags.runs_for or 150
	frappe.flags.company = erpnext.get_default_company()
	frappe.flags.mute_emails = True

	if not frappe.flags.start_date:
		# start date = 100 days back
		frappe.flags.start_date = frappe.utils.add_days(frappe.utils.nowdate(), -1 * runs_for)

	current_date = frappe.utils.getdate(frappe.flags.start_date)

	# continue?
	demo_last_date = frappe.db.get_global('demo_last_date')
	if demo_last_date:
		current_date = frappe.utils.add_days(frappe.utils.getdate(demo_last_date), 1)
		
	# run till today
	if not runs_for:
		runs_for = frappe.utils.date_diff(frappe.utils.nowdate(), current_date)
		# runs_for = 100

	fixed_asset.work()
	for i in xrange(runs_for):
		sys.stdout.write("\rSimulating {0}".format(current_date.strftime("%Y-%m-%d")))
		sys.stdout.flush()
		frappe.flags.current_date = current_date
		if current_date.weekday() in (5, 6):
			current_date = frappe.utils.add_days(current_date, 1)
			continue
		try:
			hr.work()
			purchase.work()
			stock.work()
			accounts.work()
			projects.run_projects(current_date)
			#run_messages()
			
			if domain=='Manufacturing':
				sales.work()
				manufacturing.work()
			elif domain=='Education':
				schools.work()
		
		except:
			frappe.db.set_global('demo_last_date', current_date)
			raise	
		finally:
			current_date = frappe.utils.add_days(current_date, 1)
			frappe.db.commit()