local fn = vim.fn

-- Install packer if it's not yet installed
local install_path = fn.stdpath('data') .. '/site/pack/packer/opt/packer.nvim'
if fn.empty(fn.glob(install_path)) > 0 then
	print('Installing Packer')
	Packer_installed = fn.system({
		'git', 'clone', '--depth', '1',
		'https://github.com/wbthomason/packer.nvim', install_path
	})
	vim.o.runtimepath = vim.fn.stdpath('data') .. '/site/pack/*/start/*,' ..
		vim.o.runtimepath
	print('Installed Packer')
end

-- Configure packer
vim.cmd [[packadd packer.nvim]]
require('packer').startup(function()
	local use = require('packer').use

	-- The plugin manager itself
	use {'wbthomason/packer.nvim', opt=true}

	-- Colorscheme
	use {
		'catppuccin/nvim',
		as = 'catppuccin',
		config = require('plugins.colorscheme'),
	}

	-- Git in signcolumn
	use 'airblade/vim-gitgutter'

	-- Statusline
	use {
		'hoob3rt/lualine.nvim',
		requires = { 'kyazdani42/nvim-web-devicons', opt = true },
		config = function()
			require('lualine').setup {
				options = { theme = 'catppuccin' }
			}
		end,
	}

	-- Tabline/bufferline
	use {
		'akinsho/nvim-bufferline.lua',
		tag = '*',
		requires = 'kyazdani42/nvim-web-devicons',
		config = function() require('bufferline').setup {} end
	}

	-- Git commands
	use 'tpope/vim-fugitive'

	-- Indent characters
	use {
		'lukas-reineke/indent-blankline.nvim',
		config = require('plugins.indent-blankline')
	}

	-- Tree explorer
	use {
		'kyazdani42/nvim-tree.lua',
		requires = 'kyazdani42/nvim-web-devicons',
		config = function() require('nvim-tree').setup {} end
	}

	-- Telescope
	use {
		'nvim-telescope/telescope.nvim',
		config = require('plugins.telescope'),
		requires = {
			{ 'nvim-lua/plenary.nvim' }, -- Internal dep for telescope
			{ 'nvim-telescope/telescope-fzf-native.nvim', run = 'make' }, -- Use fzf for fuzzy finder
			{ 'nvim-telescope/telescope-ui-select.nvim' } -- Replace vim built in select with telescope
		}
	}

	-- Do stuff as sudo
	use 'lambdalisue/suda.vim'

	-- Display possible keybinds
	use {
		'folke/which-key.nvim',
		config = function() require('which-key').setup {} end
	}

	-- Read editorconfig settings
	use 'editorconfig/editorconfig-vim'

	-- Install LSP server executables
	use {
		'williamboman/mason.nvim',
		config = function() require('mason').setup {} end
	}
	use {
		'williamboman/mason-lspconfig.nvim',
		config = function()
			require('mason-lspconfig').setup { automatic_installation = true }
		end
	}

	-- Configs for built-in LSP
	use {
		'neovim/nvim-lspconfig',
		config = require('plugins.lspconfig').setup
	}

	-- Additional LSP features for Java
	use 'mfussenegger/nvim-jdtls'

	-- Display function signature
	use 'ray-x/lsp_signature.nvim'

	-- Completion
	use {
		'hrsh7th/nvim-cmp',
		requires = {
			{ 'hrsh7th/cmp-nvim-lsp' }, -- LSP source
			{ 'hrsh7th/cmp-path' }, -- Path source
			{ 'petertriho/cmp-git', requires = "nvim-lua/plenary.nvim" }, -- Git source
			{ 'hrsh7th/cmp-buffer' }, -- Buffer source
			{ 'saadparwaiz1/cmp_luasnip' }, -- Snippets source
			{ 'L3MON4D3/LuaSnip' }, -- Snippets plugin
			{ 'rafamadriz/friendly-snippets' }, -- Snippets collection
		},
		config = require('plugins.cmp'),
	}

	-- Automatic brackets
	use {
		'windwp/nvim-autopairs',
		config = function() require('nvim-autopairs').setup{} end
	}

	-- treesitter
	use {
		'nvim-treesitter/nvim-treesitter',
		run = function()
			require('nvim-treesitter.install').update({ with_sync = true })
		end,
		config = require('plugins.treesitter')
	}

	-- treesitter plugin for commentstring
	use 'JoosepAlviste/nvim-ts-context-commentstring'

	-- Additional plugins for formats not supported
	-- by treesitter
	use 'jamespeapen/swayconfig.vim'

	-- mappings for commenting in code
	use 'tpope/vim-commentary'

	-- we all know this one
	use 'tpope/vim-surround'

	-- Formatter plugin
	use 'sbdchd/neoformat'

	-- Make editing passwords safer
	use {
		'https://git.zx2c4.com/password-store',
		rtp = 'contrib/vim/redact_pass.vim'
	}

	-- Neovim inside Firefox
	use {
		'glacambre/firenvim',
		run = function() vim.fn['firenvim#install'](0) end
	}

	-- Vim <3 Asciidoctor
	use 'habamax/vim-asciidoctor'

end)

-- Sync plugins if Packer was just
-- installed
if Packer_installed then
	print('Syncing plugins')
	require('packer').sync()
end