" automatische Installation von vim-plug
let data_dir = has('nvim') ? stdpath('data') . '/site' : '~/.vim'
if empty(glob(data_dir . '/autoload/plug.vim'))
  silent execute '!curl -fLo '.data_dir.'/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
endif

" vim-plug
call plug#begin()
  Plug 'mattn/emmet-vim'
  Plug 'preservim/nerdtree'
  Plug 'Xuyuanp/nerdtree-git-plugin'
  Plug 'preservim/tagbar'
  Plug 'romainl/vim-cool'
  Plug 'simnalamburt/vim-mundo'
  Plug 'tpope/vim-repeat'
  Plug 'tpope/vim-surround'
  Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
  Plug 'neovim/nvim-lspconfig'
  Plug 'windwp/nvim-autopairs'
  Plug 'windwp/nvim-ts-autotag'

  Plug 'hrsh7th/nvim-cmp'
  Plug 'L3MON4D3/LuaSnip'
  Plug 'saadparwaiz1/cmp_luasnip'
  Plug 'rafamadriz/friendly-snippets'

  Plug 'hrsh7th/cmp-nvim-lsp'
  Plug 'hrsh7th/cmp-buffer'
  " Plug 'hrsh7th/cmp-path'
  " Plug 'hrsh7th/cmp-cmdline'

  Plug 'lewis6991/gitsigns.nvim'
call plug#end()

" EMMET
let g:user_emmet_install_global=0
let g:user_emmet_leader_key='<C-y>'

" NERDTree
let NERDTreeMinimalUI=1
let NERDTreeShowHidden=0

" NERDTree GIT Plugin
let g:NERDTreeGitStatusUntrackedFilesMode='all'
let g:NERDTreeGitStatusShowClean=1
let g:NERDTreeGitStatusConcealBrackets=1
let g:NERDTreeDirArrowExpandable='+'
let g:NERDTreeDirArrowCollapsible='-'

let g:WebDevIconsUnicodeDecorateFolderNodes=1
let g:DevIconsEnableFoldersOpenClose=1
let g:WebDevIconsNerdTreeBeforeGlyphPadding=''

" Tagbar
let g:tagbar_ctags_bin='/usr/local/bin/uctags'

" Vimundo
let g:mundo_right=1
let g:mundo_width=40
let g:mundo_preview_height=30

" Autopairs
" let b:autopairs_enabled=1
" let g:AutoPairsMapBS=1
" let g:AutoPairsPrefix='<M-P>'

" Treesitter
lua << EOF
require('nvim-treesitter.configs').setup {
  ensure_installed = { "c", "cpp", "lua", "vim", "vimdoc", "typescript", "python" },
  sync_install = false,
  auto_install = false,
  highlight = {
    enable = true,
    disable = { "html" },
    additional_vim_regex_highlighting = true,
  },
  indent = {
    enable = false,
  },
  autotag = {
    enable = true,
  }
}
EOF

lua << EOF
require('nvim-autopairs').setup {}
require('nvim-ts-autotag').setup {}
EOF

" LSP
lua << EOF
local capabilities = require('cmp_nvim_lsp').default_capabilities()

local lspconfig = require('lspconfig')

lspconfig.clangd.setup{
  cmd = { 'clangd15' },
  capabilities = capabilities
}

lspconfig.lua_ls.setup {
  settings = {
    Lua = {
      runtime = {
        -- Tell the language server which version of Lua you're using (most likely LuaJIT in the case of Neovim)
        version = 'LuaJIT',
      },
      diagnostics = {
        -- Get the language server to recognize the `vim` global
        globals = {'vim'},
      },
      workspace = {
        -- Make the server aware of Neovim runtime files
        library = vim.api.nvim_get_runtime_file("", true),
      },
      -- Do not send telemetry data containing a randomized but unique identifier
      telemetry = {
        enable = false,
      },
    },
  },
  capabilities = capabilities
}

lspconfig.html.setup{
  capabilities = capabilities
}

lspconfig.tsserver.setup{
  capabilities = capabilities
}

lspconfig.vimls.setup{
  capabilities = capabilities
}
EOF

lua << EOF
require('gitsigns').setup()
EOF

lua << EOF
require("luasnip.loaders.from_vscode").lazy_load()

local cmp = require('cmp')

cmp.setup({
  snippet = {
    expand = function(args)
      require('luasnip').lsp_expand(args.body)
    end,
  },
  window = {
    completion = cmp.config.window.bordered(),
    documentation = cmp.config.window.bordered(),
  },
  mapping = cmp.mapping.preset.insert({
    ['<C-b>'] = cmp.mapping.scroll_docs(-4),
    ['<C-f>'] = cmp.mapping.scroll_docs(4),
    ['<C-Space>'] = cmp.mapping.complete(),
    ['<C-e>'] = cmp.mapping.abort(),
    ['<CR>'] = cmp.mapping.confirm({ select = true }),
  }),
  sources = cmp.config.sources({
    { name = 'nvim_lsp' },
    { name = 'luasnip' },
  }, {
    { name = 'buffer' },
  })
})
EOF