" No default mappings
let g:switch_mapping = ""

" Use double '-' for global & default switch behavior
nnoremap -- <Cmd>Switch<CR>

" Custom global definitions
let g:switch_custom_definitions =
        \ [
        \   ['present', 'absent'],
        \ ]

" Custom filetype-specific buffer definitions
augroup vimrc_switch
  autocmd!
  autocmd FileType rust call s:setup_rust_mappings()
  autocmd FileType typescript call s:setup_typescript_mappings()
  autocmd FileType gdscript call s:setup_gdscript_mappings()
augroup END

function! s:setup_rust_mappings() abort
  nnoremap <buffer> -o <Cmd>call g:Switch_rust_option()<CR>
  nnoremap <buffer> -s <Cmd>call g:Switch_rust_string()<CR>
endfunction

function! s:setup_typescript_mappings() abort
  nnoremap <buffer> -p <Cmd>call g:Switch_typescript_promise()<CR>
endfunction

function! s:setup_gdscript_mappings() abort
  let b:switch_custom_definitions = 
	\ [
	\   ['assert_true', 'assert_false'],
	\   ['assert_null', 'assert_not_null'],
	\ ]
endfunction

let s:rust_option_definitions = 
      \ [
      \   {
      \     '\(\(\k\|[<>]\)\+\)': 'Option<\1>',
      \     'Option<\(\(\k\|[<>]\)\+\)>': '\1',
      \   },
      \ ]

let s:rust_string_definitions = 
      \ [
      \   {
      \     '\("[^"]*"\)': 'String::from(\1)',
      \     'String::from(\("[^"]*"\))': '\1',
      \   },
      \ ]

let s:typescript_promise_definitions = 
      \ [
      \   {
      \     '\(\(\k\|[.<>]\)\+\)': 'Promise<\1>',
      \     'Promise<\(\(\k\|[.<>]\)\+\)>': '\1',
      \   },
      \ ]

function! g:Switch_rust_option() abort
  call switch#Switch({'definitions': s:rust_option_definitions})
endfunction

function! g:Switch_rust_string() abort
  call switch#Switch({'definitions': s:rust_string_definitions})
endfunction

function! g:Switch_typescript_promise() abort
  call switch#Switch({'definitions': s:typescript_promise_definitions})
endfunction