from __future__ import unicode_literals

import frappe
from frappe import _

import erpnext.education.utils as utils

no_cache = 1

def get_context(context):
	try:
		program = frappe.form_dict['program']
	except KeyError:
		frappe.local.flags.redirect_location = '/lms'
		raise frappe.Redirect

	context.education_settings = frappe.get_single("Education Settings")
	context.program = get_program(program)
	context.courses = [frappe.get_doc("Course", course.course) for course in context.program.courses]
	context.has_access = utils.allowed_program_access(program)
	context.progress = get_course_progress(context.courses, context.program)

def get_program(program_name):
	try:
		return frappe.get_doc('Program', program_name)
	except frappe.DoesNotExistError:
		frappe.throw(_("Program {0} does not exist.").format(program_name))

def get_course_progress(courses, program):
	progress = {course.name: utils.get_course_progress(course, program) for course in courses}
	return progress or {}
