scriptencoding utf-8

" Plugin installation
lua require 'plugins'

"{ Plugin settings
"{{ Vim-plug settings
" Use shortnames for common vim-plug command to reduce typing.
" To use these shortcut: first activate command line with `:`, then input the
" short alias, e.g., `pi`, then press <space>, the alias will be expanded
" to the full command automatically
call utils#Cabbrev('pi', 'PackerInstall')
call utils#Cabbrev('pud', 'PackerUpdate')
call utils#Cabbrev('pc', 'PackerClean')
call utils#Cabbrev('ps', 'PackerSync')
"}}

"{{ Auto-completion related
lua require('entrance')

"""""""""""""""""""""""""UltiSnips settings"""""""""""""""""""
" Trigger configuration. Do not use <tab> if you use YouCompleteMe
let g:UltiSnipsExpandTrigger='<c-j>'

" Do not look for SnipMate snippets
let g:UltiSnipsEnableSnipMate = 0

" Shortcut to jump forward and backward in tabstop positions
let g:UltiSnipsJumpForwardTrigger='<c-j>'
let g:UltiSnipsJumpBackwardTrigger='<c-k>'

" Configuration for custom snippets directory, see
" https://jdhao.github.io/2019/04/17/neovim_snippet_s1/ for details.
let g:UltiSnipsSnippetDirectories=['UltiSnips', 'my_snippets']
"}}

"{{ Language specific plugin
"""""""""""""""""""""""""" semshi settings """""""""""""""""""""""""""""""
" Do not highlight for all occurrences of variable under cursor
let g:semshi#mark_selected_nodes=0

" Do not show error sign since linting plugin is specialized for that
let g:semshi#error_sign=v:false

"""""""""""""""""""""""""" vlime settings """"""""""""""""""""""""""""""""
command! -nargs=0 StartVlime call jobstart(printf("sbcl --load %s/vlime/lisp/start-vlime.lisp", g:package_home))

"}}

"{{ Search related
""""""""""""""""""""""""""""" settings for nvim-hlslens"""""""""""""""
noremap <silent> n <Cmd>execute('normal! ' . v:count1 . 'nzzzv')<CR>
            \<Cmd>lua require('hlslens').start()<CR>
noremap <silent> N <Cmd>execute('normal! ' . v:count1 . 'Nzzzv')<CR>
            \<Cmd>lua require('hlslens').start()<CR>

map *  <Plug>(asterisk-z*)<Cmd>lua require('hlslens').start()<CR>
map #  <Plug>(asterisk-z#)<Cmd>lua require('hlslens').start()<CR>

"""""""""""""""""""""""""""""LeaderF settings"""""""""""""""""""""
" Do not use cache file
let g:Lf_UseCache = 0
" Refresh each time we call leaderf
let g:Lf_UseMemoryCache = 0

" Ignore certain files and directories when searching files
let g:Lf_WildIgnore = {
  \ 'dir': ['.git', '__pycache__', '.DS_Store'],
  \ 'file': ['*.exe', '*.dll', '*.so', '*.o', '*.pyc', '*.jpg', '*.png',
  \ '*.gif', '*.svg', '*.ico', '*.db', '*.tgz', '*.tar.gz', '*.gz',
  \ '*.zip', '*.bin', '*.pptx', '*.xlsx', '*.docx', '*.pdf', '*.tmp',
  \ '*.wmv', '*.mkv', '*.mp4', '*.rmvb', '*.ttf', '*.ttc', '*.otf',
  \ '*.mp3', '*.aac']
  \}

" Do not show fancy icons for Linux server.
if g:is_linux
  let g:Lf_ShowDevIcons = 0
endif

" Only fuzzy-search files names
let g:Lf_DefaultMode = 'NameOnly'

" Popup window settings
let g:Lf_PopupWidth = 0.5
let g:Lf_PopupPosition = [0, &columns/4]

" Do not use version control tool to list files under a directory since
" submodules are not searched by default.
let g:Lf_UseVersionControlTool = 0

" Disable default mapping
let g:Lf_ShortcutF = ''
let g:Lf_ShortcutB = ''

" set up working directory for git repository
let g:Lf_WorkingDirectoryMode = 'a'

" Search files in popup window
nnoremap <silent> <leader>ff :<C-U>Leaderf file --popup<CR>

" Grep project files in popup window
nnoremap <silent> <leader>fg :<C-U>Leaderf rg --popup<CR>

" Search vim help files
nnoremap <silent> <leader>fh :<C-U>Leaderf help --popup<CR>
nnoremap <silent> <leader>h :<C-U>echoerr "Use \<lt>leader>fh instead!"<CR>

" Search tags in current buffer
nnoremap <silent> <leader>ft :<C-U>Leaderf bufTag --popup<CR>
nnoremap <silent> <leader>t :<C-U>echoerr "Use \<lt>leader>ft instead!"<CR>

" Switch buffers
nnoremap <silent> <leader>fb :<C-U>Leaderf buffer --popup<CR>

let g:Lf_PopupColorscheme = 'gruvbox_material'

" Change keybinding in LeaderF prompt mode, use ctrl-n and ctrl-p to navigate
" items.
let g:Lf_CommandMap = {'<C-J>': ['<C-N>'], '<C-K>': ['<C-P>']}
"}}

"{{ URL related
""""""""""""""""""""""""""""open-browser.vim settings"""""""""""""""""""
if g:is_win || g:is_mac
  " Disable netrw's gx mapping.
  let g:netrw_nogx = 1

  " Use another mapping for the open URL method
  nmap ob <Plug>(openbrowser-smart-search)
  xmap ob <Plug>(openbrowser-smart-search)
endif
"}}

"{{ Navigation and tags
""""""""""""""""""""""""""" gutentags settings """"""""""""""""""""""""""""""
" The path to store tags files, instead of in the project root.
let g:gutentags_cache_dir = stdpath('cache') . '/ctags'
let g:gutentags_ctags_extra_args = ['--fields=+niazS', '--extra=+q']
let g:gutentags_ctags_extra_args += ['--c++-kinds=+px']
let g:gutentags_ctags_extra_args += ['--c-kinds=+px']
let g:gutentags_ctags_exclude = ['*.md', '*.html', '*.json', '*.toml', '*.css', '*.js',]

""""""""""""""""""""""""""" vista settings """"""""""""""""""""""""""""""""""
let g:vista#renderer#icons = {
      \ 'member': '',
      \ }

" Do not echo message on command line
let g:vista_echo_cursor = 0
" Stay in current window when vista window is opened
let g:vista_stay_on_open = 0

nnoremap <silent> <Space>t :<C-U>Vista!!<CR>
"}}

"{{ File editing
""""""""""""""""""""""""vim-auto-save settings"""""""""""""""""""""""
" Enable autosave on nvim startup
let g:auto_save = 1

" A list of events to trigger autosave
let g:auto_save_events = ['InsertLeave', 'TextChanged']

" Whether to show autosave status on command line
let g:auto_save_silent = 0

""""""""""""""""""""""""vim-mundo settings"""""""""""""""""""""""
let g:mundo_verbose_graph = 0
let g:mundo_width = 80

nnoremap <silent> <Space>u :MundoToggle<CR>

""""""""""""""""""""""""""""vim-yoink settings"""""""""""""""""""""""""
if g:is_win || g:is_mac
  " ctrl-n and ctrl-p will not work if you add the TextChanged event to vim-auto-save events.
  " nmap <c-n> <plug>(YoinkPostPasteSwapBack)
  " nmap <c-p> <plug>(YoinkPostPasteSwapForward)

  " The following p/P mappings are also needed for ctrl-n and ctrl-p to work
  " nmap p <plug>(YoinkPaste_p)
  " nmap P <plug>(YoinkPaste_P)

  " Cycle the yank stack with the following mappings
  nmap [y <plug>(YoinkRotateBack)
  nmap ]y <plug>(YoinkRotateForward)

  " Do not change the cursor position
  nmap y <plug>(YoinkYankPreserveCursorPosition)
  xmap y <plug>(YoinkYankPreserveCursorPosition)

  " Move cursor to end of paste after multiline paste
  let g:yoinkMoveCursorToEndOfPaste = 0

  " Record yanks in system clipboard
  let g:yoinkSyncSystemClipboardOnFocus = 1
endif

""""""""""""""""""""""""""""better-escape.vim settings"""""""""""""""""""""""""
let g:better_escape_interval = 200

""""""""""""""""""""""""""""vim-xkbswitch settings"""""""""""""""""""""""""
let g:XkbSwitchEnabled = 1
"}}

"{{ Linting and formatting
"""""""""""""""""""""""""""""" neoformat settings """""""""""""""""""""""
let g:neoformat_enabled_python = ['black', 'yapf']
let g:neoformat_cpp_clangformat = {
      \ 'exe': 'clang-format',
      \ 'args': ['--style="{IndentWidth: 4}"']
      \ }
let g:neoformat_c_clangformat = {
      \ 'exe': 'clang-format',
      \ 'args': ['--style="{IndentWidth: 4}"']
      \ }

let g:neoformat_enabled_cpp = ['clangformat']
let g:neoformat_enabled_c = ['clangformat']
"}}

"{{ Git-related
"""""""""""""""""""""""""vim-signify settings""""""""""""""""""""""""""""""
" The VCS to use
let g:signify_vcs_list = [ 'git' ]

" Change the sign for certain operations
let g:signify_sign_change = '~'

"""""""""""""""""""""""""vim-fugitive settings""""""""""""""""""""""""""""""
nnoremap <silent> <leader>gs :Git<CR>
nnoremap <silent> <leader>gw :Gwrite<CR>
nnoremap <silent> <leader>gc :Git commit<CR>
nnoremap <silent> <leader>gpl :Git pull<CR>
" Note that to use bar literally, we need backslash it, see also `:h :bar`.
nnoremap <silent> <leader>gpu :15split \| term git push
"}}

"{{ Markdown writing
"""""""""""""""""""""""""plasticboy/vim-markdown settings"""""""""""""""""""
" Disable header folding
let g:vim_markdown_folding_disabled = 1

" Whether to use conceal feature in markdown
let g:vim_markdown_conceal = 1

" Disable math tex conceal and syntax highlight
let g:tex_conceal = ''
let g:vim_markdown_math = 0

" Support front matter of various format
let g:vim_markdown_frontmatter = 1  " for YAML format
let g:vim_markdown_toml_frontmatter = 1  " for TOML format
let g:vim_markdown_json_frontmatter = 1  " for JSON format

" Let the TOC window autofit so that it doesn't take too much space
let g:vim_markdown_toc_autofit = 1

"""""""""""""""""""""""""markdown-preview settings"""""""""""""""""""
" Only setting this for suitable platforms
if g:is_win || g:is_mac
  " Do not close the preview tab when switching to other buffers
  let g:mkdp_auto_close = 0

  " Shortcuts to start and stop markdown previewing
  nnoremap <silent> <M-m> :<C-U>MarkdownPreview<CR>
  nnoremap <silent> <M-S-m> :<C-U>MarkdownPreviewStop<CR>
endif

""""""""""""""""""""""""vim-grammarous settings""""""""""""""""""""""""""""""
if g:is_mac
  let g:grammarous#languagetool_cmd = 'languagetool'
  let g:grammarous#disabled_rules = {
      \ '*' : ['WHITESPACE_RULE', 'EN_QUOTES', 'ARROWS', 'SENTENCE_WHITESPACE',
      \        'WORD_CONTAINS_UNDERSCORE', 'COMMA_PARENTHESIS_WHITESPACE',
      \        'EN_UNPAIRED_BRACKETS', 'UPPERCASE_SENTENCE_START',
      \        'ENGLISH_WORD_REPEAT_BEGINNING_RULE', 'DASH_RULE', 'PLUS_MINUS',
      \        'PUNCTUATION_PARAGRAPH_END', 'MULTIPLICATION_SIGN', 'PRP_CHECKOUT',
      \        'CAN_CHECKOUT', 'SOME_OF_THE', 'DOUBLE_PUNCTUATION', 'HELL',
      \        'CURRENCY', 'POSSESSIVE_APOSTROPHE', 'ENGLISH_WORD_REPEAT_RULE',
      \        'NON_STANDARD_WORD', 'AU', 'DATE_NEW_YEAR'],
      \ }

  augroup grammarous_map
    autocmd!
    autocmd FileType markdown nmap <buffer> <leader>x <Plug>(grammarous-close-info-window)
    autocmd FileType markdown nmap <buffer> <c-n> <Plug>(grammarous-move-to-next-error)
    autocmd FileType markdown nmap <buffer> <c-p> <Plug>(grammarous-move-to-previous-error)
  augroup END
endif

""""""""""""""""""""""""unicode.vim settings""""""""""""""""""""""""""""""
nmap ga <Plug>(UnicodeGA)
"}}

"{{ text objects
""""""""""""""""""""""""""""vim-sandwich settings"""""""""""""""""""""""""""""
" Map s to nop since s in used by vim-sandwich. Use cl instead of s.
nmap s <Nop>
omap s <Nop>
"}}

"{{ LaTeX editing
""""""""""""""""""""""""""""vimtex settings"""""""""""""""""""""""""""""
if ( g:is_win || g:is_mac ) && executable('latex')
  function! SetServerName() abort
    if has('win32')
      let nvim_server_file = $TEMP . '/curnvimserver.txt'
    else
      let nvim_server_file = '/tmp/curnvimserver.txt'
    endif
    let cmd = printf('echo %s > %s', v:servername, nvim_server_file)
    call system(cmd)
  endfunction

  augroup vimtex_common
    autocmd!
    autocmd FileType tex nmap <buffer> <F9> <plug>(vimtex-compile)
    autocmd FileType tex call SetServerName()
  augroup END

  let g:vimtex_compiler_latexmk = {
        \ 'build_dir' : 'build',
        \ }

  " TOC settings
  let g:vimtex_toc_config = {
        \ 'name' : 'TOC',
        \ 'layers' : ['content', 'todo', 'include'],
        \ 'resize' : 1,
        \ 'split_width' : 30,
        \ 'todo_sorted' : 0,
        \ 'show_help' : 1,
        \ 'show_numbers' : 1,
        \ 'mode' : 2,
        \ }

  " Viewer settings for different platforms
  if g:is_win
    let g:vimtex_view_general_viewer = 'SumatraPDF'
    let g:vimtex_view_general_options_latexmk = '-reuse-instance'
    let g:vimtex_view_general_options = '-reuse-instance -forward-search @tex @line @pdf'
  endif

  if g:is_mac
    " let g:vimtex_view_method = "skim"
    let g:vimtex_view_general_viewer = '/Applications/Skim.app/Contents/SharedSupport/displayline'
    let g:vimtex_view_general_options = '-r @line @pdf @tex'

    augroup vimtex_mac
      autocmd!
      autocmd User VimtexEventCompileSuccess call UpdateSkim()
    augroup END

    " The following code is adapted from https://gist.github.com/skulumani/7ea00478c63193a832a6d3f2e661a536.
    function! UpdateSkim() abort
      let l:out = b:vimtex.out()
      let l:src_file_path = expand('%:p')
      let l:cmd = [g:vimtex_view_general_viewer, '-r']

      if !empty(system('pgrep Skim'))
        call extend(l:cmd, ['-g'])
      endif

      call jobstart(l:cmd + [line('.'), l:out, l:src_file_path])
    endfunction
  endif
endif
"}}

"{{ UI: Status line, look
"""""""""""""""""""""""""""vim-airline setting""""""""""""""""""""""""""""""
" Set airline theme to a random one if it exists
let s:candidate_airlinetheme = ['ayu_mirage', 'lucius', 'ayu_dark', 'base16_bright',
      \ 'base16_adwaita', 'raven', 'term', 'deus', 'onedark']
let g:airline_theme = utils#RandElement(s:candidate_airlinetheme)

" Whether to show function or other tags on status line
let g:airline#extensions#vista#enabled = 0
let g:airline#extensions#gutentags#enabled = 1

" Do not show search index in statusline since it is shown on command line
let g:airline#extensions#anzu#enabled = 0

" Enable vim-airline extension for nvim-lsp
let g:airline#extensions#nvimlsp#enabled = 1

let g:airline#extensions#searchcount#enabled = 0

" Skip empty sections if there are nothing to show,
" extracted from https://vi.stackexchange.com/a/9637/15292
let g:airline_skip_empty_sections = 1

" Whether to use powerline symbols, see https://vi.stackexchange.com/q/3359/15292
let g:airline_powerline_fonts = 0

if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif
let g:airline_symbols.paste = 'ρ'
if !g:is_linux
  let g:airline_symbols.branch = ''
  let g:airline_symbols.spell = 'Ꞩ'
endif

" Custom branch name
let g:airline#extensions#branch#custom_head = 'utils#GetGitBranch'

" Only show git hunks which are non-zero
let g:airline#extensions#hunks#non_zero_only = 1

" Speed up airline
let g:airline_highlighting_cache = 1

" The keys in the following shortcode are the layout when we use a specific
" input method mode. On my macOS, 0 means that we are trying to input Chinese,
" and 1 means we are using English mode.
" See also https://github.com/vim-airline/vim-airline/blob/master/autoload/airline/extensions/xkblayout.vim#L11
let g:airline#extensions#xkblayout#short_codes = {'0': 'CN', '1': 'US'}

""""""""""""""""""""""""""""vim-startify settings""""""""""""""""""""""""""""
" Do not change working directory when opening files.
let g:startify_change_to_dir = 0
let g:startify_fortune_use_unicode = 1
"}}

"{{ Misc plugin setting
""""""""""""""""""""""""""""vim-matchup settings"""""""""""""""""""""""""""""
" Improve performance
let g:matchup_matchparen_deferred = 1
let g:matchup_matchparen_timeout = 100
let g:matchup_matchparen_insert_timeout = 30

" Enhanced matching with matchup plugin
let g:matchup_override_vimtex = 1

" Whether to enable matching inside comment or string
let g:matchup_delim_noskips = 0

" Show offscreen match pair in popup window
let g:matchup_matchparen_offscreen = {'method': 'popup'}

"""""""""""""""""""""""""" asyncrun.vim settings """"""""""""""""""""""""""
" Automatically open quickfix window of 6 line tall after asyncrun starts
let g:asyncrun_open = 6
if g:is_win
  " Command output encoding for Windows
  let g:asyncrun_encs = 'gbk'
endif

""""""""""""""""""""""""""""""firenvim settings""""""""""""""""""""""""""""""
if exists('g:started_by_firenvim') && g:started_by_firenvim
  if g:is_mac
    set guifont=Iosevka\ Nerd\ Font:h18
  endif

  " general config for firenvim
  let g:firenvim_config = {
      \ 'globalSettings': {
          \ 'alt': 'all',
      \  },
      \ 'localSettings': {
          \ '.*': {
              \ 'cmdline': 'neovim',
              \ 'priority': 0,
              \ 'selector': 'textarea',
              \ 'takeover': 'never',
          \ },
      \ }
  \ }

  augroup firenvim
    autocmd!
    autocmd BufEnter *.txt setlocal filetype=markdown laststatus=0 nonumber noshowcmd noruler showtabline=1
  augroup END
endif

""""""""""""""""""""""""""""""nvim-gdb settings""""""""""""""""""""""""""""""
nnoremap <leader>dp :<C-U>GdbStartPDB python -m pdb %<CR>

""""""""""""""""""""""""""""""wilder.nvim settings""""""""""""""""""""""""""""""
augroup wilder_init
  autocmd!
  autocmd CmdlineEnter * ++once call s:wilder_init()
augroup END

function! s:wilder_init() abort
  try
    call wilder#enable_cmdline_enter()
    set wildcharm=<Tab>
    cmap <expr> <Tab> wilder#in_context() ? wilder#next() : "\<Tab>"
    cmap <expr> <S-Tab> wilder#in_context() ? wilder#previous() : "\<S-Tab>"

    " only / and ? are enabled by default
    call wilder#set_option('modes', ['/', '?', ':'])

    call wilder#set_option('pipeline', [
          \   wilder#branch(
          \     wilder#cmdline_pipeline({
          \       'language': 'python',
          \       'fuzzy': 1,
          \       'sorter': wilder#python_difflib_sorter(),
          \       'debounce': 30,
          \     }),
          \     wilder#python_search_pipeline({
          \       'pattern': wilder#python_fuzzy_pattern(),
          \       'sorter': wilder#python_difflib_sorter(),
          \       'engine': 're',
          \       'debounce': 30,
          \     }),
          \   ),
          \ ])

    let l:hl = wilder#make_hl('WilderAccent', 'Pmenu', [{}, {}, {'foreground': '#f4468f'}])
    call wilder#set_option('renderer', wilder#popupmenu_renderer({
          \ 'highlighter': wilder#basic_highlighter(),
          \ 'winblend': 5,
          \ 'max_height': 15,
          \ 'highlights': {
          \   'accent': l:hl,
          \ },
          \ 'apply_incsearch_fix': 0,
          \ }))
  catch /^Vim\%((\a\+)\)\=:E117/
    echohl Error |echomsg "Wilder.nvim missing. Run :PackerInstall to install all plugins."|echohl None
  endtry
endfunction
"}}
"}