global !p
from datetime import datetime, timedelta

def relative_date(days = 0):
    time_difference = timedelta(days=int(days))
    calculated_date = datetime.today() + time_difference

    return calculated_date  
endglobal

snippet "reldate (\d+)( ".+")?" "Prints out the relative date in ISO format." ri
`!p 
reldate = relative_date(match.group(1))
date_format = match.group(2).strip(" \"") if match.group(2) is not None else "%F"
snip.rv = reldate.strftime(date_format)
`
endsnippet

snippet today "Prints out today's date in ISO format" i
`!p
from datetime import datetime

snip.rv = datetime.today().strftime("%F")
`
endsnippet


# Quick formatting. 
snippet sign "Quick signature" i
${1:Sincerely,}
${2:Gabriel Arazas}
$0
endsnippet

snippet retrieve "Quick retrieval date in informal format" i
(retrieved `!p snip.rv = datetime.today().strftime("%F")`)
endsnippet

snippet ie "Parenthetical material Latin 'id est' (ie)" iw
(i.e., $1) $0 
endsnippet

snippet eg "Parenthetical material Latin 'exempli gratia' (eg)" iw
(e.g., $1) $0
endsnippet


# Em dashes (I've these dedicated snippets for some reason). 
snippet em "Quick em dash" 
—
endsnippet

snippet em-mat "Em dash material" iw
— $1 — $0
endsnippet

snippet em-ie "'id est' surrounded with em dash" iw
— i.e., $1 — $0
endsnippet

snippet em-eg "'exempli gratia' surrounded with em dash" iw
— e.g., $1 — $0
endsnippet


# Quick word snippets 
# Each of these quick word snippets has a prefix of `qw-`
snippet qw-lx "LaTeX" iw
LaTeX
endsnippet

snippet qw-as "Asciidoctor" iw
Asciidoctor
endsnippet


# Miscellaneous snippets 
snippet #! "Quick snippet for a shebang." bi
#!${1:/usr/bin/env} ${2:sh}
endsnippet

# This is only useful for decorative comment boxes and all of the jazz. 
snippet "boxen '(.*)'" "Create a box of stuff" ir
`!p snip.rv = (match.group(1) * (len(t[1]) + 4)).strip()[0:(len(t[1]) + 4)]`
`!p snip.rv = match.group(1)[0]` $1 `!p snip.rv = match.group(1)[0]`
`!p snip.rv = (match.group(1) * (len(t[1]) + 4)).strip()[0:(len(t[1]) + 4)]`
$0
endsnippet

# Also stolen from Gilles Castel's post at https://castel.dev/post/lecture-notes-1/. 
snippet box "More box (that looks more like a box)."
`!p snip.rv = '┌' + '─' * (len(t[1]) + 2) + '┐'`
│ $1 │
`!p snip.rv = '└' + '─' * (len(t[1]) + 2) + '┘'`
$0
endsnippet