init.vim

let mapleader=","

filetype plugin on

set list
set termguicolors
set number
set norelativenumber
set cursorline
set nowrap
set showcmd
set wildmenu
set autoindent
" set expandtab
set tabstop=4
set shiftwidth=4
set softtabstop=0
set incsearch
set hlsearch
set statusline+=%{get(b:,'gitsigns_status','')}

lua require('plugins')
lua require('gopls')
lua require('plugin-config/nvim-treesitter')
lua require('plugin-config/feline')
lua require('plugin-config/gitsigns')
lua require('plugin-config/nvim-tree')
lua require('plugin-config/todo-comments')
lua require('plugin-config/nvim-autopairs')

" In your init.lua or init.vim
set termguicolors
lua << EOF
require("bufferline").setup{}
EOF

" lua << EOF
" local home = vim.fn.expand("$HOME")
" require("chatgpt").setup({
" 	welcome_message = 'Welcome to ChatGPT.nvim',
"     api_key_cmd = "gpg --decrypt " .. home .. "/openai_api.key"
" })
" EOF

colorscheme tokyonight

" Disable function highlighting (affects both C and C++ files)
let g:cpp_function_highlight = 0

" Enable highlighting of C++11 attributes
let g:cpp_attributes_highlight = 1

" Highlight struct/class member variables (affects both C and C++ files)
let g:cpp_member_highlight = 1

" Put all standard C and C++ keywords under Vim's highlight group 'Statement'
" (affects both C and C++ files)
let g:cpp_simple_highlight = 1

imap kj <esc>
nmap <leader>c <Plug>OSCYankOperator
nmap <leader>cc <leader>c_
vmap <leader>c <Plug>OSCYankVisual

set mouse=a

lua << EOF
require'lspconfig'.pyright.setup{}
require'lspconfig'.rust_analyzer.setup{}
EOF

let g:loaded_python_provider = 0

lua <<EOF
  -- Setup nvim-cmp.
  local cmp = require'cmp'

  cmp.setup({
    snippet = {
      -- REQUIRED - you must specify a snippet engine
      expand = function(args)
        -- vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
        require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
        -- require('snippy').expand_snippet(args.body) -- For `snippy` users.
        -- vim.fn["UltiSnips#Anon"](args.body) -- For `ultisnips` users.
      end,
    },
    mapping = {
      ['<C-b>'] = cmp.mapping(cmp.mapping.scroll_docs(-4), { 'i', 'c' }),
      ['<C-f>'] = cmp.mapping(cmp.mapping.scroll_docs(4), { 'i', 'c' }),
      ['<C-Space>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c' }),
      ['<C-y>'] = cmp.config.disable, -- Specify `cmp.config.disable` if you want to remove the default `<C-y>` mapping.
      ['<C-e>'] = cmp.mapping({
        i = cmp.mapping.abort(),
        c = cmp.mapping.close(),
      }),
      ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
	  ['<Tab>'] = function(fallback)
		  if cmp.visible() then
			cmp.select_next_item()
		  else
			fallback()
		  end
		end,
	  ['<S-Tab>'] = function(fallback)
		  if cmp.visible() then
			cmp.select_prev_item()
		  else
			fallback()
		  end
		end,
    },

    sources = cmp.config.sources({
      { name = 'nvim_lsp' },
      { name = 'vsnip' }, -- For vsnip users.
      -- { name = 'luasnip' }, -- For luasnip users.
      -- { name = 'ultisnips' }, -- For ultisnips users.
      -- { name = 'snippy' }, -- For snippy users.
    }, {
      { name = 'buffer' },
    })
  })

  -- Use buffer source for `/` (if you enabled `native_menu`, this won't work anymore).
  cmp.setup.cmdline('/', {
    sources = {
      { name = 'buffer' }
    }
  })

  -- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
  cmp.setup.cmdline(':', {
    sources = cmp.config.sources({
      { name = 'path' }
    }, {
      { name = 'cmdline' }
    })
  })

  -- Setup lspconfig.
  local capabilities = require('cmp_nvim_lsp').default_capabilities(vim.lsp.protocol.make_client_capabilities())
  -- Replace <YOUR_LSP_SERVER> with each lsp server you've enabled.
  require('lspconfig')['clangd'].setup {
    capabilities = capabilities
  }
EOF

" Find files using Telescope command-line sugar.
nnoremap <leader>ff <cmd>Telescope find_files<cr>
nnoremap <leader>fg <cmd>Telescope live_grep<cr>
nnoremap <leader>fb <cmd>Telescope buffers<cr>
nnoremap <leader>fh <cmd>Telescope help_tags<cr>

" Using Lua functions
nnoremap <leader>ff <cmd>lua require('telescope.builtin').find_files()<cr>
nnoremap <leader>fg <cmd>lua require('telescope.builtin').live_grep()<cr>
nnoremap <leader>fb <cmd>lua require('telescope.builtin').buffers()<cr>
nnoremap <leader>fh <cmd>lua require('telescope.builtin').help_tags()<cr>

let g:nvim_tree_quit_on_open = 1 "0 by default, closes the tree when you open a file
let g:nvim_tree_indent_markers = 1 "0 by default, this option shows indent markers when folders are open
let g:nvim_tree_git_hl = 1 "0 by default, will enable file highlight for git attributes (can be used without the icons).
let g:nvim_tree_highlight_opened_files = 1 "0 by default, will enable folder and file icon highlight for opened files/directories.
let g:nvim_tree_root_folder_modifier = ':~' "This is the default. See :help filename-modifiers for more options
let g:nvim_tree_add_trailing = 1 "0 by default, append a trailing slash to folder names
let g:nvim_tree_group_empty = 1 " 0 by default, compact folders that only contain a single folder into one node in the file tree
let g:nvim_tree_disable_window_picker = 1 "0 by default, will disable the window picker.
let g:nvim_tree_icon_padding = ' ' "one space by default, used for rendering the space between the icon and the filename. Use with caution, it could break rendering if you set an empty string depending on your font.
let g:nvim_tree_symlink_arrow = ' >> ' " defaults to ' ➛ '. used as a separator between symlinks' source and target.
let g:nvim_tree_respect_buf_cwd = 1 "0 by default, will change cwd of nvim-tree to that of new buffer's when opening nvim-tree.
let g:nvim_tree_create_in_closed_folder = 0 "1 by default, When creating files, sets the path of a file when cursor is on a closed folder to the parent folder when 0, and inside the folder when 1.
let g:nvim_tree_refresh_wait = 500 "1000 by default, control how often the tree can be refreshed, 1000 means the tree can be refresh once per 1000ms.
let g:nvim_tree_window_picker_exclude = {
    \   'filetype': [
    \     'notify',
    \     'packer',
    \     'qf'
    \   ],
    \   'buftype': [
    \     'terminal'
    \   ]
    \ }
" Dictionary of buffer option names mapped to a list of option values that
" indicates to the window picker that the buffer's window should not be
" selectable.
let g:nvim_tree_special_files = { 'README.md': 1, 'Makefile': 1, 'MAKEFILE': 1 } " List of filenames that gets highlighted with NvimTreeSpecialFile
let g:nvim_tree_ignore = {}

"If 0, do not show the icons for one of 'git' 'folder' and 'files'
"1 by default, notice that if 'files' is 1, it will only display
"if nvim-web-devicons is installed and on your runtimepath.
"if folder is 1, you can also tell folder_arrows 1 to show small arrows next to the folder icons.
"but this will not work when you set indent_markers (because of UI conflict)

" default will show icon by default if no icon is provided
" default shows no icon by default
let g:nvim_tree_icons = {
    \ 'default': '',
    \ 'symlink': '',
    \ 'git': {
    \   'unstaged': "✗",
    \   'staged': "✓",
    \   'unmerged': "",
    \   'renamed': "➜",
    \   'untracked': "★",
    \   'deleted': "",
    \   'ignored': "◌"
    \   },
    \ 'folder': {
    \   'arrow_open': "",
    \   'arrow_closed': "",
    \   'default': "",
    \   'open': "",
    \   'empty': "",
    \   'empty_open': "",
    \   'symlink': "",
    \   'symlink_open': "",
    \   }
    \ }

nnoremap <C-n> :NvimTreeToggle<CR>
nnoremap <leader>r :NvimTreeRefresh<CR>
nnoremap <leader>n :NvimTreeFindFile<CR>
" NvimTreeOpen, NvimTreeClose, NvimTreeFocus, NvimTreeFindFileToggle, and NvimTreeResize are also available if you need them

set termguicolors " this variable must be enabled for colors to be applied properly

" a list of groups can be found at `:help nvim_tree_highlight`
highlight NvimTreeFolderIcon guibg=blue

" These commands will navigate through buffers in order regardless of which mode you are using
" e.g. if you change the order of buffers :bnext and :bprevious will not respect the custom ordering
nnoremap <silent>gt :BufferLineCycleNext<CR>
nnoremap <silent>gT :BufferLineCyclePrev<CR>

lua << EOF
local map = function(type, key, value)
	vim.api.nvim_buf_set_keymap(0,type,key,value,{noremap = true, silent = true});
end

local custom_attach = function(client)
	print("LSP started.");

	map('n','gD','<cmd>lua vim.lsp.buf.declaration()<CR>')
	map('n','gd','<cmd>lua vim.lsp.buf.definition()<CR>')
	map('n','K','<cmd>lua vim.lsp.buf.hover()<CR>')
	map('n','gr','<cmd>lua vim.lsp.buf.references()<CR>')
	map('n','gs','<cmd>lua vim.lsp.buf.signature_help()<CR>')
	map('n','gi','<cmd>lua vim.lsp.buf.implementation()<CR>')
	map('n','<leader>gw','<cmd>lua vim.lsp.buf.document_symbol()<CR>')
	map('n','<leader>gW','<cmd>lua vim.lsp.buf.workspace_symbol()<CR>')
	map('n','<leader>ah','<cmd>lua vim.lsp.buf.hover()<CR>')
	map('n','<leader>af','<cmd>lua vim.lsp.buf.code_action()<CR>')
	map('n','<leader>ee','<cmd>lua vim.lsp.util.show_line_diagnostics()<CR>')
	map('n','<leader>ar','<cmd>lua vim.lsp.buf.rename()<CR>')
	map('n','<leader>=', '<cmd>lua vim.lsp.buf.formatting()<CR>')
	map('n','<leader>ai','<cmd>lua vim.lsp.buf.incoming_calls()<CR>')
	map('n','<leader>ao','<cmd>lua vim.lsp.buf.outgoing_calls()<CR>')
end

require'lspconfig'.clangd.setup{on_attach=custom_attach}
EOF

lua << EOF
local nvim_lsp = require'lspconfig'

local opts = {
    tools = { -- rust-tools options
        autoSetHints = true,
        inlay_hints = {
            show_parameter_hints = false,
            parameter_hints_prefix = "",
            other_hints_prefix = "",
        },
    },

    -- all the opts to send to nvim-lspconfig
    -- these override the defaults set by rust-tools.nvim
    -- see https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md#rust_analyzer
    server = {
        -- on_attach is a callback called when the language server attachs to the buffer
        -- on_attach = on_attach,
        settings = {
            -- to enable rust-analyzer settings visit:
            -- https://github.com/rust-analyzer/rust-analyzer/blob/master/docs/user/generated_config.adoc
            ["rust-analyzer"] = {
                -- enable clippy on save
                checkOnSave = {
                    command = "clippy"
                },
            }
        }
    },
}

require('rust-tools').setup(opts)
EOF

" Setup Completion
" See https://github.com/hrsh7th/nvim-cmp#basic-configuration
lua <<EOF
local cmp = require'cmp'
cmp.setup({
  -- Enable LSP snippets
  snippet = {
    expand = function(args)
        vim.fn["vsnip#anonymous"](args.body)
    end,
  },
  mapping = {
    ['<C-p>'] = cmp.mapping.select_prev_item(),
    ['<C-n>'] = cmp.mapping.select_next_item(),
    -- Add tab support
    ['<S-Tab>'] = cmp.mapping.select_prev_item(),
    ['<Tab>'] = 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.Insert,
      select = true,
    })
  },

  -- Installed sources
  sources = {
    { name = 'nvim_lsp' },
    { name = 'vsnip' },
    { name = 'path' },
    { name = 'buffer' },
  },
})
EOF