" plugins
call plug#begin(stdpath('data') . '/plugged')

" color scheme
Plug 'owozsh/amora'

" misc
Plug 'itchyny/vim-gitbranch'
Plug 'andweeb/presence.nvim'
Plug 'ntpeters/vim-better-whitespace'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
Plug 'airblade/vim-gitgutter'
Plug 'tpope/vim-fugitive'
Plug 'mg979/vim-visual-multi'
Plug 'rrethy/vim-hexokinase', { 'do': 'make hexokinase' }
Plug 'rhysd/committia.vim'

" interface
Plug 'romgrk/barbar.nvim'
Plug 'kyazdani42/nvim-tree.lua'

" language specific
Plug 'sheerun/vim-polyglot'
"Plug 'ruanyl/vim-fixmyjs'
"Plug 'prettier/vim-prettier', {'build': 'pnpm i'}
Plug 'dense-analysis/ale'
Plug 'neovim/nvim-lspconfig'
Plug 'nvim-lua/completion-nvim'

call plug#end()

" misc
let g:mode = "old_amora"
colorscheme amora
set termguicolors

set fileformat=unix
set fileformats=unix,dos

set number
set cul

set tabstop=2
set shiftwidth=2
set expandtab

set mouse+=nia

au WinEnter * set cul
au WinLeave * set nocul

let g:better_whitespace_enabled = 1

let bufferline = get(g:, 'bufferline', {})
let bufferline.icons = v:false
let bufferline.icon_separator_active = '▎'
let bufferline.icon_separator_inactive = '▎'
let bufferline.icon_close_tab = 'x'
let bufferline.icon_close_tab_modified = '●'
let bufferline.icon_pinned = '▲'

let g:presence_buttons = 0

let g:ale_fixers = {
\  '*': ['trim_whitespace'],
\  'vim': [],
\  'javascript': ['eslint', 'prettier'],
\  'json': ['prettier'],
\  'css': ['prettier'],
\}
let g:ale_fix_on_save = 1

let g:Hexokinase_highlighters = ['virtual']

set fillchars+=vert:▎

lua << EOF
local lspconfig = require("lspconfig")
local completion_callback = require("completion").on_attach

lspconfig.eslint.setup({on_attach = completion_callback})
lspconfig.tsserver.setup({on_attach = completion_callback})
EOF

set completeopt=menuone,noinsert,noselect
set shortmess+=c

let g:completion_enable_auto_popup = 1

" tre
let g:nvim_tree_git_hl = 1
let g:nvim_tree_symlink_arrow = ' >> '

let g:nvim_tree_icons = {
    \ 'default': '',
    \ 'symlink': '[S]',
    \ 'git': {
    \   'unstaged': "U",
    \   'staged': "A",
    \   'unmerged': "M",
    \   'renamed': "R",
    \   'untracked': "",
    \   'deleted': "D",
    \   'ignored': "I"
    \   },
    \ 'folder': {
    \   'arrow_open': "-",
    \   'arrow_closed': "+",
    \   'default': "",
    \   'open': "",
    \   'empty': "[E]",
    \   'empty_open': "[E]",
    \   'symlink': "[S]",
    \   'symlink_open': "[S]",
    \   }
    \ }

let g:nvim_tree_show_icons = {
    \ 'git': 1,
    \ 'folders': 0,
    \ 'files': 0,
    \ 'folder_arrows': 1,
    \ }

lua << EOF
require("nvim-tree").setup({
  git = {
    enable = true,
    ignore = true,
    timeout = 500,
  },
})
EOF

" keys
tnoremap <Esc> <C-\><C-n>

nnoremap <S-Up> :m-2<CR>
nnoremap <S-Down> :m+<CR>
inoremap <S-Up> <Esc>:m-2<CR>
inoremap <S-Down> <Esc>:m+<CR>

nnoremap <silent> <C-b> :NvimTreeToggle<CR> :lua require'bufferline.state'.set_offset(require'nvim-tree.view'.win_open() and 30 or 0)<CR>

inoremap <expr> <Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>": "\<S-Tab>"
imap <tab> <Plug>(completion_smart_tab)
imap <s-tab> <Plug>(completion_smart_s_tab)

" barbar keys
" Move to previous/next
nnoremap <silent>    <A-,> :BufferPrevious<CR>
nnoremap <silent>    <A-.> :BufferNext<CR>
" Re-order to previous/next
nnoremap <silent>    <A-<> :BufferMovePrevious<CR>
nnoremap <silent>    <A->> :BufferMoveNext<CR>
" Goto buffer in position...
nnoremap <silent>    <A-1> :BufferGoto 1<CR>
nnoremap <silent>    <A-2> :BufferGoto 2<CR>
nnoremap <silent>    <A-3> :BufferGoto 3<CR>
nnoremap <silent>    <A-4> :BufferGoto 4<CR>
nnoremap <silent>    <A-5> :BufferGoto 5<CR>
nnoremap <silent>    <A-6> :BufferGoto 6<CR>
nnoremap <silent>    <A-7> :BufferGoto 7<CR>
nnoremap <silent>    <A-8> :BufferGoto 8<CR>
nnoremap <silent>    <A-9> :BufferLast<CR>
" Pin/unpin buffer
nnoremap <silent>    <A-p> :BufferPin<CR>
" Close buffer
nnoremap <silent>    <A-c> :BufferClose<CR>

" Colors

function! s:h(scope, fg, ...) " bg, attr_list, special
  let l:fg = copy(a:fg)
  let l:bg = get(a:, 1, ['NONE', 'NONE'])

  let l:attr_list = filter(get(a:, 2, ['NONE']), 'type(v:val) == 1')
  let l:attrs = len(l:attr_list) > 0 ? join(l:attr_list, ',') : 'NONE'

  " Falls back to coloring foreground group on terminals because
  " nearly all do not support undercurl
  let l:special = get(a:, 3, ['NONE', 'NONE'])
  if l:special[0] !=# 'NONE' && l:fg[0] ==# 'NONE' && !has('gui_running')
    let l:fg[0] = l:special[0]
    let l:fg[1] = l:special[1]
  endif

  let l:hl_string = [
        \ 'highlight', a:scope,
        \ 'guifg=' . l:fg[0], 'ctermfg=' . l:fg[1],
        \ 'guibg=' . l:bg[0], 'ctermbg=' . l:bg[1],
        \ 'gui=' . l:attrs, 'cterm=' . l:attrs,
        \ 'guisp=' . l:special[0],
        \]

  execute join(l:hl_string, ' ')
endfunction

hi Normal ctermbg=NONE
hi LineNr ctermfg=7
hi CursorLineNr ctermfg=1 ctermbg=8
hi CursorLine cterm=NONE ctermfg=NONE ctermbg=8
hi StatusLine ctermbg=2 ctermfg=0
hi StatusLineNC ctermbg=7 ctermfg=0
hi VertSplit ctermbg=0 ctermfg=0
hi ExtraWhitespace ctermbg=1
hi SignColumn ctermbg=8

hi BufferCurrent ctermfg=5 ctermbg=NONE
hi BufferCurrentIndex ctermfg=5 ctermbg=NONE
hi BufferCurrentMod ctermfg=9 ctermbg=NONE
hi BufferCurrentSign ctermfg=5 ctermbg=NONE
hi BufferCurrentTarget ctermfg=5 ctermbg=NONE
hi BufferVisible ctermfg=7 ctermbg=NONE
hi BufferVisibleIndex ctermfg=7 ctermbg=NONE
hi BufferVisibleMod ctermfg=9 ctermbg=NONE
hi BufferVisibleSign ctermfg=7 ctermbg=NONE
hi BufferVisibleTarget ctermfg=7 ctermbg=NONE
hi BufferInactive ctermfg=7 ctermbg=0
hi BufferInactiveIndex ctermfg=5 ctermbg=0
hi BufferInactiveMod ctermfg=1 ctermbg=0
hi BufferInactiveSign ctermfg=10 ctermbg=0
hi BufferInactiveTarget ctermfg=11 ctermbg=0
hi BufferTabpages ctermfg=7 ctermbg=0
hi BufferTabpageFill ctermfg=7 ctermbg=0
hi BufferOffset ctermfg=0 ctermbg=0

hi NvimTreeNormal ctermbg=0

call s:h('StatusLine', g:amora#palette.green, g:amora#palette.bgdark)
call s:h('StatusLineNC', g:amora#palette.fg, g:amora#palette.bgdark)
call s:h('VertSplit', g:amora#palette.bg, g:amora#palette.bgdarker)
call s:h('ExtraWhitespace', g:amora#palette.fg, g:amora#palette.red)

call s:h('BufferCurrent', g:amora#palette.pink, g:amora#palette.bg)
call s:h('BufferCurrentIndex', g:amora#palette.pink, g:amora#palette.bg)
call s:h('BufferCurrentSign', g:amora#palette.pink, g:amora#palette.bg)
call s:h('BufferCurrentTarget', g:amora#palette.pink, g:amora#palette.bg)
call s:h('BufferCurrentMod', g:amora#palette.red, g:amora#palette.bg)
call s:h('BufferVisible', g:amora#palette.fg, g:amora#palette.bg)
call s:h('BufferVisibleIndex', g:amora#palette.fg, g:amora#palette.bg)
call s:h('BufferVisibleSign', g:amora#palette.fg, g:amora#palette.bg)
call s:h('BufferVisibleTarget', g:amora#palette.fg, g:amora#palette.bg)
call s:h('BufferVisibleMod', g:amora#palette.pink, g:amora#palette.bg)
call s:h('BufferInactive', g:amora#palette.bglighter, g:amora#palette.bgdarker)
call s:h('BufferInactiveIndex', g:amora#palette.bglighter, g:amora#palette.bgdarker)
call s:h('BufferInactiveSign', g:amora#palette.bglighter, g:amora#palette.bgdarker)
call s:h('BufferInactiveTarget', g:amora#palette.bglighter, g:amora#palette.bgdarker)
call s:h('BufferInactiveMod', g:amora#palette.red, g:amora#palette.bgdarker)
call s:h('BufferTabpages', g:amora#palette.bglighter, g:amora#palette.bgdarker)
call s:h('BufferTabpagesFill', g:amora#palette.bglighter, g:amora#palette.bgdarker)
call s:h('BufferOffset', g:amora#palette.bgdarker, g:amora#palette.bgdarker)

call s:h('NvimTreeNormal', g:amora#palette.fg, g:amora#palette.bgdarker)

" statusline hell
hi StatusLineMode ctermbg=1 ctermfg=0
hi StatusLineGitBranch ctermbg=5 ctermfg=0
hi StatusLineChar ctermbg=4 ctermfg=0
hi StatusLineFormat ctermbg=3 ctermfg=0
hi StatusLineFileType ctermbg=7 ctermfg=0

call s:h('StatusLineMode', g:amora#palette.bgdark, g:amora#palette.red)
call s:h('StatusLineGitBranch', g:amora#palette.bgdark, g:amora#palette.pink)
call s:h('StatusLineChar', g:amora#palette.bgdark, g:amora#palette.purple)
call s:h('StatusLineFormat', g:amora#palette.bgdark, g:amora#palette.yellow)
call s:h('StatusLineFileType', g:amora#palette.bgdark, g:amora#palette.fg)

function! GetMode()
  let l:m = mode(1)

  if l:m ==# "i"
	  let l:mode = "INS"
  elseif l:m ==# "c"
	  let l:mode = "CMD"
  elseif l:m[0] ==# "R"
	  let l:mode = "REP"
  elseif l:m ==# "Rv"
	  let l:mode = "REP"
  elseif l:m =~# '\v(v|V| |s|S| )'
	  let l:mode = "VIS"
  else
	  return ""
  endif

  return '  '.l:mode.' '
endfunction

function! GitBranch()
  let l:branch = gitbranch#name()
  return strlen(l:branch) ? '  ' . l:branch . ' ' : ''
endfunction

set statusline=
set statusline+=%#StatusLineMode#
set statusline+=%{GetMode()}
set statusline+=%#StatusLineGitBranch#
set statusline+=%{GitBranch()}
set statusline+=%*
set statusline+=\ %f
set statusline+=\ %m%r
set statusline+=%=
set statusline+=%#StatusLineChar#
set statusline+=\ %l,\ %c\ 
set statusline+=%#StatusLineFormat#
set statusline+=\ %{&fileencoding?&fileencoding:&encoding}\ %{&fileformat}\ 
set statusline+=%#StatusLineFileType#
set statusline+=\ %{&filetype}\