let g:mapleader = "\<Space>"
let g:maplocalleader = ','

set termguicolors
syntax on
" set hidden

" Always show the signcolumn
if has("patch-8.1.1564")
  " Recently vim can merge signcolumn and number column into one
  set signcolumn=number
else
  set signcolumn=yes
endif


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

Plug 'neovim/nvim-lspconfig'

Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'} 

Plug 'windwp/nvim-autopairs'

Plug 'terrortylor/nvim-comment'

Plug 'kyazdani42/nvim-tree.lua'

Plug 'glepnir/dashboard-nvim'

Plug 'hoob3rt/lualine.nvim'

Plug 'ziglang/zig.vim'

Plug 'simrat39/rust-tools.nvim'
" One Dark Pro
Plug 'joshdick/onedark.vim'

" Plug 'liuchengxu/vim-which-key'

" TODO: Configure this
Plug 'mfussenegger/nvim-dap'

" Autocomplete
Plug 'nvim-lua/completion-nvim'
Plug 'steelsojka/completion-buffers'
Plug 'nvim-treesitter/completion-treesitter'
Plug 'kristijanhusak/completion-tags'
Plug 'hrsh7th/vim-vsnip'
Plug 'hrsh7th/vim-vsnip-integ'

" Telescope Config
Plug 'nvim-lua/popup.nvim'
Plug 'nvim-lua/plenary.nvim'
Plug 'nvim-telescope/telescope.nvim'

" Barbar Config
Plug 'kyazdani42/nvim-web-devicons'
Plug 'romgrk/barbar.nvim'

call plug#end()

" nvim-completion
autocmd BufEnter * lua require'completion'.on_attach()
" Use <Tab> and <S-Tab> to navigate through popup menu
inoremap <expr> <Tab>   pumvisible() ? "\<C-n>" : "\<Tab>"
inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"

" Set completeopt to have a better completion experience
set completeopt=menuone,noinsert,noselect

" Avoid showing message extra message when using completion
set shortmess+=c

let g:completion_enable_snippet = 'vim-vsnip'
let g:completion_enable_auto_popup = 1

imap <silent> <C-Space> <Plug>(completion_trigger)

" --Telescope Keybinds--
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>

" Which Key Keybinds
" nnoremap <silent> <leader>      :<c-u>WhichKey '<Space>'<CR>
" nnoremap <silent> <localleader> :<c-u>WhichKey  ','<CR>

" Nvim Tree Keybinds
let g:nvim_tree_ignore = [ '.git', 'node_modules', '.cache' ] "empty by default
let g:nvim_tree_gitignore = 1 "0 by default
let g:nvim_tree_auto_open = 1 "0 by default, opens the tree when typing `vim $DIR` or `vim`
let g:nvim_tree_auto_close = 1 "0 by default, closes the tree when it's the last window
let g:nvim_tree_auto_ignore_ft = [ 'startify', 'dashboard' ] "empty by default, don't auto open tree on specific filetypes.
let g:nvim_tree_quit_on_open = 1 "0 by default, closes the tree when you open a file
let g:nvim_tree_follow = 1 "0 by default, this option allows the cursor to be updated when entering a buffer
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_root_folder_modifier = ':~' "This is the default. See :help filename-modifiers for more options
let g:nvim_tree_tab_open = 1 "0 by default, will open the tree when entering a new tab and the tree was previously open
let g:nvim_tree_width_allow_resize  = 1 "0 by default, will not resize the tree when opening a file
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_lsp_diagnostics = 1 "0 by default, will show lsp diagnostics in the signcolumn. See :help nvim_tree_lsp_diagnostics
let g:nvim_tree_special_files = [ 'README.md', 'Makefile', 'MAKEFILE' ] " List of filenames that gets highlighted with NvimTreeSpecialFile
let g:nvim_tree_show_icons = {
    \ 'git': 1,
    \ 'folders': 1,
    \ 'files': 1,
    \ }
"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

" 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': {
    \   'default': "",
    \   'open': "",
    \   'empty': "",
    \   'empty_open': "",
    \   'symlink': "",
    \   'symlink_open': "",
    \   },
    \   'lsp': {
    \     'hint': "",
    \     'info': "",
    \     'warning': "",
    \     'error': "",
    \   }
    \ }

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

" Inverse tab in insert mode
inoremap <S-Tab> <C-d>

" Remove search highlight on double escape
nnoremap <esc><esc> :nohlsearch<CR>



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

colorscheme onedark

lua << EOF
-- NVIM 0.5 LSP Setup

-- nvim lspconfig
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", "zls", "tsserver" }
for _, lsp in ipairs(servers) do
  nvim_lsp[lsp].setup {
    on_attach = on_attach,
    flags = {
      debounce_text_changes = 150,
    }
  }
end

-- Rust Tools
require'rust-tools'.setup{
	hover_actions =  {
		 -- the border that is used for the hover window
         -- see vim.api.nvim_open_win()
    	border = {
            {"╭", "FloatBorder"},
            {"─", "FloatBorder"},
            {"╮", "FloatBorder"},
            {"│", "FloatBorder"},
            {"╯", "FloatBorder"},
            {"─", "FloatBorder"},
            {"╰", "FloatBorder"},
        	{"│", "FloatBorder"}
    	},
	},	
}

-- Tree Sitter Config

require'nvim-treesitter.configs'.setup {
	highlight = { enable = true },
	indent = { enable = true },
	autotag = { enable = true },
}

-- Telescope Defaults
require('telescope').setup{
  defaults = {
    vimgrep_arguments = {
      'rg',
      '--color=never',
      '--no-heading',
      '--with-filename',
      '--line-number',
      '--column',
      '--smart-case'
    },
    prompt_prefix = "> ",
    selection_caret = "> ",
    entry_prefix = "  ",
    initial_mode = "insert",
    selection_strategy = "reset",
    sorting_strategy = "descending",
    layout_strategy = "horizontal",
    layout_config = {
      horizontal = {
        mirror = false,
      },
      vertical = {
        mirror = false,
      },
    },
    file_sorter =  require'telescope.sorters'.get_fuzzy_file,
    file_ignore_patterns = {},
    generic_sorter =  require'telescope.sorters'.get_generic_fuzzy_sorter,
    winblend = 0,
    border = {},
    borderchars = { '─', '│', '─', '│', '╭', '╮', '╯', '╰' },
    color_devicons = true,
    use_less = true,
    path_display = {},
    set_env = { ['COLORTERM'] = 'truecolor' }, -- default = nil,
    file_previewer = require'telescope.previewers'.vim_buffer_cat.new,
    grep_previewer = require'telescope.previewers'.vim_buffer_vimgrep.new,
    qflist_previewer = require'telescope.previewers'.vim_buffer_qflist.new,

    -- Developer configurations: Not meant for general override
    buffer_previewer_maker = require'telescope.previewers'.buffer_previewer_maker
  }
}
-- Barbar Keybinds
vim.api.nvim_set_keymap('n', '<TAB>', ':BufferNext<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<S-TAB>', ':BufferPrevious<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<S-x>', ':BufferClose<CR>', { noremap = true, silent = true })

-- Autopairs setup
require'nvim-autopairs'.setup()

-- Comments
require'nvim_comment'.setup()

-- Autocomplete

-- lualine Config
require'lualine'.setup {
	options = {
		theme = "onedark"
	},
}

-- Dashboard config
vim.g.dashboard_default_executive = 'telescope'
vim.g.dashboard_custom_section = {
    a = {description = {'  Find File          '}, command = 'Telescope find_files'},
    b = {description = {'  Recently Used Files'}, command = 'Telescope oldfiles'},
    c = {description = {'  Load Last Session  '}, command = 'SessionLoad'},
    d = {description = {'  Find Word          '}, command = 'Telescope live_grep'},
    e = {description = {'  Settings           '}, command = ':e ~/.config/nvim/init.vim'}
    -- e = {description = {'  Marks              '}, command = 'Telescope marks'}
}

EOF