from django import template
from django.utils.safestring import mark_safe
from seminar.utils import TypDeadline, deadline
register = template.Library()

@register.filter(name='deadline')
def deadline_text(datum):
	typ, cislo, dl = deadline(datum)
	strings = {
		TypDeadline.PredDeadline: f"1. deadline čísla {cislo} ({dl})",
		TypDeadline.SousDeadline: f"Soustřeďkový deadline čísla {cislo} ({dl})",
		TypDeadline.FinalDeadline: f"Finální deadline čísla {cislo} ({dl})",
		}
	return strings[typ]

@register.filter(name='deadline_kratseji')
def deadline_kratsi_text(datum):
	typ, cislo, dl = deadline(datum)
	strings = {
		TypDeadline.PredDeadline: f"1. deadline {cislo}",
		TypDeadline.SousDeadline: f"Soustřeďkový deadline {cislo}",
		TypDeadline.FinalDeadline: f"Finální deadline {cislo}",
		}
	return strings[typ]

@register.filter(name='deadline_html')
def deadline_html(datum):
	typ, _, _ = deadline(datum)
	text = deadline_kratsi_text(datum)
	classes = {
		TypDeadline.PredDeadline: 'preddeadline',
		TypDeadline.SousDeadline: 'sous_deadline',
		TypDeadline.FinalDeadline: 'final_deadline',
		}
	return mark_safe(f'<span class="{classes[typ]}">{text}</span>')