-- Install packer
local install_path = vim.fn.stdpath 'data' .. '/site/pack/packer/start/packer.nvim'
local is_bootstrap = false
if vim.fn.empty(vim.fn.glob(install_path)) > 0 then
  is_bootstrap = true
  vim.fn.system { 'git', 'clone', '--depth', '1', 'https://github.com/wbthomason/packer.nvim', install_path }
  vim.cmd [[packadd packer.nvim]]
end

require('packer').startup({function(use)
  -- Package manager
  use 'wbthomason/packer.nvim'

  use {
    -- Useful status updates for LSP
    'j-hui/fidget.nvim',
  }

  use { -- LSP Configuration & Plugins
    'neovim/nvim-lspconfig',
    requires = {
      -- Automatically install LSPs to stdpath for neovim
      'williamboman/mason.nvim',
      'williamboman/mason-lspconfig.nvim',


      -- Additional lua configuration, makes nvim stuff amazing
      'folke/neodev.nvim',
    },
  }
  -- lsp diagnostics
  use {
    "folke/trouble.nvim",
    requires = "nvim-tree/nvim-web-devicons",
    config = function()
      require("trouble").setup {
        -- your configuration comes here
        -- or leave it empty to use the default settings
        -- refer to the configuration section below
      }
    end
  }

  use "windwp/nvim-ts-autotag"

  use {
    'phaazon/hop.nvim',
    branch = 'v2', -- optional but strongly recommended
    config = function()
      -- you can configure Hop the way you like here; see :h hop-config
      require'hop'.setup { keys = 'etovxqpdgfblzhckisuran' }
    end
  }

  use { -- Autocompletion
    'hrsh7th/nvim-cmp',
    requires = { 'hrsh7th/cmp-nvim-lsp', 'L3MON4D3/LuaSnip', 'saadparwaiz1/cmp_luasnip' },
  }

  use { -- Highlight, edit, and navigate code
    'nvim-treesitter/nvim-treesitter',
    run = function()
      pcall(require('nvim-treesitter.install').update { with_sync = true })
    end,
  }
  use {
    'nvim-treesitter/playground',
  }

  use {
    'HiPhish/rainbow-delimiters.nvim'
  }

  use {'tzachar/cmp-tabnine', run='./install.sh', requires = 'hrsh7th/nvim-cmp'}

  use { -- Additional text objects via treesitter
    'nvim-treesitter/nvim-treesitter-textobjects',
    after = 'nvim-treesitter',
  }

  -- whichkey
  use {
  "folke/which-key.nvim",
  config = function()
    vim.o.timeout = true
    vim.o.timeoutlen = 300
    require("which-key").setup {
      -- your configuration comes here
      -- or leave it empty to use the default settings
      -- refer to the configuration section below
    -- plugins = {
    -- marks = true, -- shows a list of your marks on ' and `
    -- registers = false, -- shows your registers on " in NORMAL or <C-r> in INSERT mode
    -- -- the presets plugin, adds help for a bunch of default keybindings in Neovim
    -- -- No actual key bindings are created
    -- spelling = {
    --   enabled = true, -- enabling this will show WhichKey when pressing z= to select spelling suggestions
    --   suggestions = 20, -- how many suggestions should be shown in the list?
    -- },
    -- presets = {
    --   operators = true, -- adds help for operators like d, y, ...
    --   motions = true, -- adds help for motions
    --   text_objects = true, -- help for text objects triggered after entering an operator
    --   windows = true, -- default bindings on <c-w>
    --   nav = true, -- misc bindings to work with windows
    --   z = true, -- bindings for folds, spelling and others prefixed with z
    --   g = true, -- bindings for prefixed with g
    -- },
    -- },
    }
  end
}

  -- file explorer
  use {
  'nvim-tree/nvim-tree.lua',
  requires = {
    'nvim-tree/nvim-web-devicons', -- optional, for file icons
  },
  tag = 'nightly' -- optional, updated every week. (see issue #1193)
  }

  -- bufferline
  use {'akinsho/bufferline.nvim', tag = "v3.*", requires = 'nvim-tree/nvim-web-devicons'}

  -- close buffers
  use {'ojroques/nvim-bufdel'}

  -- toggleterm
  use {"akinsho/toggleterm.nvim", tag = '*', config = function()
    require("toggleterm").setup{
      open_mapping = [[<c-_>]],
    }
  end}

  -- lastplace
  use {"ethanholz/nvim-lastplace"}

  -- alpha
  use {
    'goolord/alpha-nvim',
    config = function ()
        require'alpha'.setup(require'alpha.themes.dashboard'.config)
    end
  }


  -- Git related plugins
  use 'tpope/vim-fugitive'
  use 'tpope/vim-rhubarb'
  use 'lewis6991/gitsigns.nvim'

  use 'lervag/vimtex'

  use 'sainnhe/sonokai'
  use 'navarasu/onedark.nvim' -- Theme inspired by Atom
  use 'nvim-lualine/lualine.nvim' -- Fancier statusline
  use 'lukas-reineke/indent-blankline.nvim' -- Add indentation guides even on blank lines
  use 'numToStr/Comment.nvim' -- "gc" to comment visual regions/lines
  use 'tpope/vim-sleuth' -- Detect tabstop and shiftwidth automatically

  -- Fuzzy Finder (files, lsp, etc)
  use { 'nvim-telescope/telescope.nvim', branch = '0.1.x', requires = { 'nvim-lua/plenary.nvim' } }

  -- Fuzzy Finder Algorithm which requires local dependencies to be built. Only load if `make` is available
  use { 'nvim-telescope/telescope-fzf-native.nvim', run = 'make', cond = vim.fn.executable 'make' == 1 }

  -- Add custom plugins to packer from ~/.config/nvim/lua/custom/plugins.lua
  local has_plugins, plugins = pcall(require, 'custom.plugins')
  if has_plugins then
    plugins(use)
  end

  if is_bootstrap then
    require('packer').sync()
  end
end,
config = {
  display = {
    open_fn = require('packer.util').float,
  }
}})

-- When we are bootstrapping a configuration, it doesn't
-- make sense to execute the rest of the init.lua.
--
-- You'll need to restart nvim, and then it will work.
if is_bootstrap then
  print '=================================='
  print '    Plugins are being installed'
  print '    Wait until Packer completes,'
  print '       then restart nvim'
  print '=================================='
  return
end