init.vim

set mouse=v  " middle-click paste with 
set mouse=a  " enable mouse
set encoding=utf-8  " set encoding
set number  " set line ordering

set nocompatible
set showmatch
set ignorecase
set hlsearch
set incsearch
set noswapfile  " disable creating swapfile
syntax on

set clipboard=unnamedplus   " using system clipboard
filetype plugin on

set ttyfast                 " Speed up scrolling in Vim
set scrolloff=7  " scroll off

" features for tab
set tabstop=4
set softtabstop=4
set shiftwidth=4
set expandtab
set autoindent
set fileformat=unix
set wildmode=longest,list   " get bash-like tab completions
filetype plugin indent on

inoremap jk <esc>

call plug#begin('~/.vim/plugged')

Plug 'neovim/nvim-lspconfig'
Plug 'hrsh7th/nvim-cmp'
Plug 'hrsh7th/cmp-nvim-lsp'
Plug 'saadparwaiz1/cmp_luasnip'
Plug 'L3MON4D3/LuaSnip'

Plug 'preservim/nerdcommenter'
Plug 'SirVer/ultisnips'
Plug 'honza/vim-snippets'
Plug 'neoclide/coc.nvim', {'branch': 'release'}

" Color theme
Plug 'folke/tokyonight.nvim', { 'branch': 'main' }


Plug 'xiyaowong/nvim-transparent'

Plug 'pocco81/auto-save.nvim'
Plug 'justinmk/vim-sneak'

Plug 'jose-elias-alvarez/null-ls.nvim'
Plug 'nvim-lua/plenary.nvim'

Plug 'prettier/vim-prettier', {
  \ 'do': 'npm install --frozen-lockfile --production',
  \ 'for': ['css', 'less', 'scss', 'json', 'graphql', 'markdown', 'vue', 'svelte', 'yaml', 'html'] }

Plug 'bmatcuk/stylelint-lsp'

Plug 'nvim-telescope/telescope.nvim', { 'tag': '0.1.0' }
Plug 'nvim-telescope/telescope-fzf-native.nvim', { 'do': 'make' }

" Convenient floating terminal window
"Plug 'voldikss/vim-floaterm'

call plug#end()


" move line or visually selected block - alt+j/k
inoremap <A-j> <Esc>:m .+1<CR>==gi
inoremap <A-k> <Esc>:m .-2<CR>==gi
vnoremap <A-j> :m '>+1<CR>gv=gv
vnoremap <A-k> :m '<-2<CR>gv=gv
" move split panes to left/bottom/top/right
 nnoremap <A-h> <C-W>H
 nnoremap <A-j> <C-W>J
 nnoremap <A-k> <C-W>K
 nnoremap <A-l> <C-W>L
" move between panes to left/bottom/top/right
 nnoremap <C-h> <C-w>h
 nnoremap <C-j> <C-w>j
 nnoremap <C-k> <C-w>k
 nnoremap <C-l> <C-w>l

" Press i to enter insert mode, and ii to exit insert mode.
:inoremap ii <Esc>
:inoremap jk <Esc>
:inoremap kj <Esc>
:vnoremap jk <Esc>
:vnoremap kj <Esc>

" open file in a text by placing text and gf
nnoremap gf :vert winc f<cr>
" copies filepath to clipboard by pressing yf
:nnoremap <silent> yf :let @+=expand('%:p')<CR>
" copies pwd to clipboard: command yd
:nnoremap <silent> yd :let @+=expand('%:p:h')<CR>
" Vim jump to the last position when reopening a file
if has("autocmd")
  au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$")
    \| exe "normal! g'\"" | endif
endif


" Leader bind to space
let mapleader = ","

" Netrw file explorer settings
let g:netrw_banner = 0 " hide banner above files
let g:netrw_liststyle = 3 " tree instead of plain view
let g:netrw_browse_split = 3 " vertical split window when Enter pressed on file

" Automatically format frontend files with prettier after file save
let g:prettier#autoformat = 1
let g:prettier#autoformat_require_pragma = 0

" Disable quickfix window for prettier
let g:prettier#quickfix_enabled = 0

" Turn on vim-sneak
let g:sneak#label = 1

if (has('termguicolors'))
  set termguicolors
endif

" turn off search highlight
nnoremap ,<space> :nohlsearch<CR>

lua << EOF
require("tokyonight").setup({
  -- your configuration comes here
  -- or leave it empty to use the default settings
  style = "storm", -- The theme comes in three styles, `storm`, a darker variant `night` and `day`
  transparent = true, -- Enable this to disable setting the background color
  terminal_colors = true, -- Configure the colors used when opening a `:terminal` in Neovim
  styles = {
    -- Style to be applied to different syntax groups
    -- Value is any valid attr-list value for `:help nvim_set_hl`
    comments = { italic = true },
    keywords = { italic = true },
    functions = {},
    variables = {},
    -- Background styles. Can be "dark", "transparent" or "normal"
    sidebars = "dark", -- style for sidebars, see below
    floats = "dark", -- style for floating windows
  },
  sidebars = { "qf", "help" }, -- Set a darker background on sidebar-like windows. For example: `["qf", "vista_kind", "terminal", "packer"]`
  day_brightness = 0.3, -- Adjusts the brightness of the colors of the **Day** style. Number between 0 and 1, from dull to vibrant colors
  hide_inactive_statusline = false, -- Enabling this option, will hide inactive statuslines and replace them with a thin border instead. Should work with the standard **StatusLine** and **LuaLine**.
  dim_inactive = false, -- dims inactive windows
  lualine_bold = false, -- When `true`, section headers in the lualine theme will be bold

  --- You can override specific color groups to use other groups or a hex color
  --- function will be called with a ColorScheme table
  ---@param colors ColorScheme
  on_colors = function(colors) end,

  --- You can override specific highlights to use other groups or a hex color
  --- function will be called with a Highlights and ColorScheme table
  ---@param highlights Highlights
  ---@param colors ColorScheme
  on_highlights = function(highlights, colors) end,
})
EOF

" Vim Script
colorscheme tokyonight

" There are also colorschemes for the different styles
colorscheme tokyonight-storm

lua << EOF
-- Set completeopt to have a better completion experience
vim.o.completeopt = 'menuone,noselect'

-- luasnip setup
local luasnip = require 'luasnip'
local async = require "plenary.async"

-- nvim-cmp setup
local cmp = require 'cmp'
cmp.setup {
  completion = {
    autocomplete = false
  },
  snippet = {
    expand = function(args)
      require('luasnip').lsp_expand(args.body)
    end,
  },
  mapping = {
    ['<C-p>'] = cmp.mapping.select_prev_item(),
    ['<C-n>'] = cmp.mapping.select_next_item(),
    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
    ['<C-f>'] = cmp.mapping.scroll_docs(4),
    ['<C-Space>'] = cmp.mapping.complete(),
    ['<C-e>'] = cmp.mapping.close(),
    ['<CR>'] = cmp.mapping.confirm {
      behavior = cmp.ConfirmBehavior.Replace,
      select = true,
    },
    ['<Tab>'] = function(fallback)
      if vim.fn.pumvisible() == 1 then
        vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<C-n>', true, true, true), 'n')
      elseif luasnip.expand_or_jumpable() then
        vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<Plug>luasnip-expand-or-jump', true, true, true), '')
      else
        fallback()
      end
    end,
    ['<S-Tab>'] = function(fallback)
      if vim.fn.pumvisible() == 1 then
        vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<C-p>', true, true, true), 'n')
      elseif luasnip.jumpable(-1) then
        vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<Plug>luasnip-jump-prev', true, true, true), '')
      else
        fallback()
      end
    end,
  },
  sources = {
    { name = 'nvim_lsp' },
    { name = 'luasnip' },
  },
}

local nvim_lsp = require('lspconfig')

-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
local on_attach = function(client, bufnr)

  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end

  -- Enable completion triggered by <c-x><c-o>
  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')

  -- Mappings.
  local opts = { noremap=true, silent=true }

  -- See `:help vim.lsp.*` for documentation on any of the below functions
  buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
  buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
  buf_set_keymap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
  buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
  buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
  buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
  buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
  buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
  buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
  buf_set_keymap('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
  buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
  buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
  buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
  buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
  buf_set_keymap('n', '<space>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
end

-- Use a loop to conveniently call 'setup' on multiple servers and
-- map buffer local keybindings when the language server attaches
local servers = { 'pyright' }
for _, lsp in ipairs(servers) do
  nvim_lsp[lsp].setup {
    on_attach = on_attach,
    flags = {
      debounce_text_changes = 150,
    }
  }
end
EOF

" Delete buffer while keeping window layout (don't close buffer's windows).
" Version 2008-11-18 from http://vim.wikia.com/wiki/VimTip165
if v:version < 700 || exists('loaded_bclose') || &cp
  finish
endif
let loaded_bclose = 1
if !exists('bclose_multiple')
  let bclose_multiple = 1
endif

" Display an error message.
function! s:Warn(msg)
  echohl ErrorMsg
  echomsg a:msg
  echohl NONE
endfunction

" Command ':Bclose' executes ':bd' to delete buffer in current window.
" The window will show the alternate buffer (Ctrl-^) if it exists,
" or the previous buffer (:bp), or a blank buffer if no previous.
" Command ':Bclose!' is the same, but executes ':bd!' (discard changes).
" An optional argument can specify which buffer to close (name or number).
function! s:Bclose(bang, buffer)
  if empty(a:buffer)
    let btarget = bufnr('%')
  elseif a:buffer =~ '^\d\+$'
    let btarget = bufnr(str2nr(a:buffer))
  else
    let btarget = bufnr(a:buffer)
  endif
  if btarget < 0
    call s:Warn('No matching buffer for '.a:buffer)
    return
  endif
  if empty(a:bang) && getbufvar(btarget, '&modified')
    call s:Warn('No write since last change for buffer '.btarget.' (use :Bclose!)')
    return
  endif
  " Numbers of windows that view target buffer which we will delete.
  let wnums = filter(range(1, winnr('$')), 'winbufnr(v:val) == btarget')
  if !g:bclose_multiple && len(wnums) > 1
    call s:Warn('Buffer is in multiple windows (use ":let bclose_multiple=1")')
    return
  endif
  let wcurrent = winnr()
  for w in wnums
    execute w.'wincmd w'
    let prevbuf = bufnr('#')
    if prevbuf > 0 && buflisted(prevbuf) && prevbuf != btarget
      buffer #
    else
      bprevious
    endif
    if btarget == bufnr('%')
      " Numbers of listed buffers which are not the target to be deleted.
      let blisted = filter(range(1, bufnr('$')), 'buflisted(v:val) && v:val != btarget')
      " Listed, not target, and not displayed.
      let bhidden = filter(copy(blisted), 'bufwinnr(v:val) < 0')
      " Take the first buffer, if any (could be more intelligent).
      let bjump = (bhidden + blisted + [-1])[0]
      if bjump > 0
        execute 'buffer '.bjump
      else
        execute 'enew'.a:bang
      endif
    endif
  endfor
  execute 'bdelete'.a:bang.' '.btarget
  execute wcurrent.'wincmd w'
endfunction
command! -bang -complete=buffer -nargs=? Bclose call <SID>Bclose(<q-bang>, <q-args>)
nnoremap <silent> <Leader>bd :Bclose<CR>

map gn :bn<cr>
map gp :bp<cr>
map gw :Bclose<cr>


set relativenumber
set rnu

let g:transparent_enabled = v:true

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

" Telescope bindings
nnoremap ,f <cmd>Telescope find_files<cr>
nnoremap ,g <cmd>Telescope live_grep<cr>


lua << EOF
require("auto-save").setup {
    enabled = true, -- start auto-save when the plugin is loaded (i.e. when your package manager loads it)
    execution_message = {
		message = function() -- message to print on save
			return ("AutoSave: saved at " .. vim.fn.strftime("%H:%M:%S"))
		end,
		dim = 0.18, -- dim the color of `message`
		cleaning_interval = 1250, -- (milliseconds) automatically clean MsgArea after displaying `message`. See :h MsgArea
	},
    trigger_events = {"InsertLeave", "TextChanged"}, -- vim events that trigger auto-save. See :h events
	-- function that determines whether to save the current buffer or not
	-- return true: if buffer is ok to be saved
	-- return false: if it's not ok to be saved
	condition = function(buf)
		local fn = vim.fn
		local utils = require("auto-save.utils.data")

		if
			fn.getbufvar(buf, "&modifiable") == 1 and
			utils.not_in(fn.getbufvar(buf, "&filetype"), {}) then
			return true -- met condition(s), can save
		end
		return false -- can't save
	end,
    write_all_buffers = false, -- write all buffers when the current one meets `condition`
    debounce_delay = 135, -- saves the file at most every `debounce_delay` milliseconds
	callbacks = { -- functions to be executed at different intervals
		enabling = nil, -- ran when enabling auto-save
		disabling = nil, -- ran when disabling auto-save
		before_asserting_save = nil, -- ran before checking `condition`
		before_saving = nil, -- ran before doing the actual save
		after_saving = nil -- ran after doing the actual save
	}
}
EOF


" Telescope fzf plugin
lua << EOF
require('telescope').load_extension('fzf')
EOF


" White colors for LSP messages in code
hi DiagnosticError guifg=White
hi DiagnosticWarn  guifg=White
hi DiagnosticInfo  guifg=White
hi DiagnosticHint  guifg=White


set colorcolumn=120