-- NVIM TREE setup
-- icons
vim.g.nvim_tree_icons = {
  default =        '',
  symlink =        '',
  git = {
    unstaged =     '✗',
    staged =       '✓',
    unmerged =     '',
    renamed =      '➜',
    untracked =    '★',
    deleted =      '',
   },
  folder = {
    default =      '',
    open =         '',
    empty =        '',
    empty_open =   '',
    symlink =      '',
    symlink_open = '',
   },
}


-- extra options
vim.g.nvim_tree_add_trailing=1
vim.g.nvim_tree_special_files= {
  ["README.md"] = true,
  ["readme.md"] = true,
  Pipfile = true,
  Makefile = true,
  ['package.json'] = true,
}

-- colors
vim.cmd [[hi Directory guifg=#D1D5DB ctermfg=blue]]
vim.cmd [[hi NvimTreeFolderIcon guifg=#4B5563]]
vim.cmd [[hi NvimTreeRootFolder guifg=#9CA3AF]]
vim.cmd [[hi NvimTreeIndentMarker guifg=#9CA3AF]]
vim.cmd [[hi NvimTreeExecFile guifg=#DC2626]]
vim.cmd [[hi NvimTreeGitDirty guifg=#FB923C]]
vim.cmd [[hi NvimTreeGitStaged guifg=#DC2626]]
vim.cmd [[hi NvimTreeGitNew guifg=#DC2626]]
vim.cmd [[hi NvimTreeGitDeleted guifg=#DC2626]]
vim.cmd [[hi NvimTreeSpecialFile guifg=#F8FAFC ]]
vim.cmd [[hi NvimTreeFolderName guifg=#D1D5DB ]]
vim.cmd [[hi NvimTreeOpenedFolderName guifg=#D1D5DB ]]
vim.cmd [[hi NvimTreeEmptyFolderName guifg=#D1D5DB ]]

-- setup
local nvimtree = require'nvim-tree'

nvimtree.setup {
  update_cwd = true,
  renderer = {
    indent_markers = {
      enable = true,
    },
  },
  update_to_buf_dir   = {
    enable = true,
    auto_open = true,
  },
  system_open = {
    cmd  = 'open'
  },
  filters = {
    dotfiles = true
  },
  git = {
    enable = true,
    ignore = false,
    timeout = 500,
  },
  view = {
    mappings = {
      custom_only = false,
      list = {}
    },
  },
  trash = {
    cmd = 'trash'
  }
}

vim.cmd("autocmd BufEnter * ++nested if winnr('$') == 1 && bufname() == 'NvimTree_' . tabpagenr() | quit | endif")

-- KEYMAPS
vim.keymap.set('n', '<leader>e', nvimtree.toggle)