if exists("b:current_syntax")
    finish
endif


" Keywords that we want to emphasize
"syntax keyword todoKeyword todo done important
"syntax keyword todoKeyword whoa free
"highlight link todoKeyword Keyword


" Remarks about the day
syntax match todoDayKeyword "thuiswerken"
syntax match todoDayKeyword "Thuis"
syntax match todoDayKeyword "Thuiswerken"
syntax match todoDayKeyword "Hackathon"
syntax match todoDayKeyword "hackathon"
syntax match todoDayKeyword "papadag"
syntax match todoDayKeyword "vrije dag"
syntax match todoDayKeyword "vrij"
syntax match todoDayKeyword "Vrij"
syntax match todoDayKeyword "koningsdag"
"syntax match todoDayKeyword "ill"
syntax match todoDayKeyword "ziek"
syntax match todoDayKeyword "ziekig"
highlight todoDayKeyword ctermfg=116 guifg=#8cd0d3


" Inline commenting
syntax match todoComment "\v#.*$"
highlight link todoComment Comment


" Heading (day) delimiters
syntax region todoDay start=/\v\=\=\ / skip=/\v\\./ end=/\v\ \=\=\=\=\=\=/

hi link todoDay Delimiter


" Show -scratched out- parts of a line as darker text (Delimiter colour)
syntax region scratchThis start=/\v -/ skip=/\v\\./ end=/\v-\ / oneline

hi link scratchThis Delimiter


" Generic operators
syntax match todoOperator "\v\*"
syntax match todoOperator "\v/"
syntax match todoOperator "\v\+"
syntax match todoOperator "\v-"

highlight link todoOperator Operator


" Task statuses
syntax match todoNote "\v^n .*$" nextgroup=todoNote
syntax match todoNote "\v n .*$" nextgroup=todoNote
syntax match todoNote "\v  .*$" nextgroup=todoNote
highlight todoNote ctermfg=Grey guifg=#eeeeee

syntax match todoStatusDone "\v^v " nextgroup=todoItem skipwhite
syntax match todoStatusDone "\v  v " nextgroup=todoItem skipwhite
highlight todoStatusDone ctermfg=green guifg=#00ff00

syntax match todoStatusCancelled "\v^x " nextgroup=todoItem skipwhite
syntax match todoStatusCancelled "\v  x " nextgroup=todoItem skipwhite
highlight todoStatusCancelled ctermfg=DarkGreen

syntax match todoStatusDoing "\v^d .*$" nextgroup=todoItem skipwhite
syntax match todoStatusDoing "\v  d .*$" nextgroup=todoItem skipwhite
highlight todoStatusDoing ctermfg=223 guifg=#f0dfaf

syntax match todoStatusTest "\v^t " nextgroup=todoItem skipwhite
syntax match todoStatusTest "\v  t " nextgroup=todoItem skipwhite
highlight todoStatusTest ctermfg=darkcyan guifg=#6666ff

syntax match todoStatusTodo "\v^- " nextgroup=todoItem skipwhite
syntax match todoStatusTodo "\v  - " nextgroup=todoItem skipwhite
highlight todoStatusTodo ctermfg=red guifg=#ff0000

syntax match todoStatusImportant "\v^\> .*$"
syntax match todoStatusImportant "\v  \> .*$"
syntax match todoStatusImportant "\v^! .*$"
syntax match todoStatusImportant "\v  ! .*$"
"highlight todoStatusImportant ctermfg=131 guifg=#af5f5f
highlight todoStatusImportant ctermfg=167 guifg=#d75f5f

syntax match todoStatusQuestion "\v^\? " nextgroup=todoItem skipwhite
syntax match todoStatusQuestion "\v  \? " nextgroup=todoItem skipwhite
highlight todoStatusQuestion ctermfg=darkcyan guifg=#6666ff

" Highlight matching brackets (for example a timeslot)
"syntax match brack /[\[\]]/ | hi brack ctermfg=DarkMagenta

syntax match timeslot "\v\[.*-.*\] " nextgroup=todoItem skipwhite
highlight timeslot ctermfg=Magenta

" A todoItem has a subject (e.g., a word that's followed by a ':')
syn match todoItem '[a-zA-Z0-9\-_]\+:' contained
hi todoItem ctermfg=Blue

highlight link todoStatusDone PreProc
highlight link todoStatusDoing PreProc
highlight link todoStatusTodo PreProc
highlight link todoStatusImportant PreProc
highlight link todoStatusQuestion PreProc


" Syntax highlighting scheme name
let b:current_syntax = "todo"