-- Plugin Config Using Packer.nvim

-- Grab Packer. (This should be OS agnostic)
-- But does require git to be installed TODO: add check for git
-- by Iron-E and khuedoan on GitHub
local fn = vim.fn
local install_path = fn.stdpath('data')..'/site/pack/packer/start/packer.nvim'
if fn.empty(fn.glob(install_path)) > 0 then
	Packer_bootstrap = fn.system({'git', 'clone', '--depth', '1', 'https://github.com/wbthomason/packer.nvim', install_path})
	vim.cmd 'packadd packer.nvim'
end

return require('packer').startup(function(use)
	use 'wbthomason/packer.nvim' -- allow packer to update itself

	-------------------------
	-- Appearance
	-------------------------
	use 'morhetz/gruvbox' -- my favourite colourscheme
	use {
		'nvim-lualine/lualine.nvim', -- nice status line
		requires = {'kyazdani42/nvim-web-devicons', opt = true} -- allow for nice icons
	}
	use 'sherlock5512/lualine-spell-status' -- my own lualine component
	use 'arkav/lualine-lsp-progress' -- LSP progress for lualine (CURRENTLY NOT SURE IF THIS EVEN WORKS)

	-------------------------
	-- New Features
	-------------------------
	use {
		'ms-jpq/chadtree', -- equivalent to NERDTree but faster and better looking
		run =
		function()
			vim.cmd('CHADdeps') -- ensure updates have the correct dependencies
		end
	}
	use "vimwiki/vimwiki"

	-------------------------
	-- Editing Enhancements
	-------------------------

	-------------------------
	-- EE - Commenting 
	-------------------------
	use 'scrooloose/nerdcommenter'

	-------------------------
	-- EE - Completion
	-------------------------
	use "hrsh7th/nvim-cmp"		-- completion engine
	use "hrsh7th/cmp-buffer"	-- completion source
	use "hrsh7th/cmp-path"		-- completion source
	use "hrsh7th/cmp-nvim-lua"	-- completion source
	use "hrsh7th/cmp-nvim-lsp"	-- completion source
	use "tamago324/cmp-zsh"		-- completion source
	use 'onsails/lspkind.nvim'	-- completion list formatter

	-------------------------
	-- EE - Snippets
	-------------------------
	-- This is a complex block due to the load ordering
	use "saadparwaiz1/cmp_luasnip" -- completion source for snippets
	use {'L3MON4D3/LuaSnip',
	after = 'friendly-snippets',
	}
	use 'rafamadriz/friendly-snippets' -- snippet library

	-------------------------
	-- EE - Linting & Debugging
	-------------------------
	use 'williamboman/nvim-lsp-installer'	-- Install available LSP servers
	use 'neovim/nvim-lspconfig'				-- Easy config for LSP
	use {'glepnir/lspsaga.nvim',
		branch = "main",
		}

	-------------------------
	-- EE - Syntax Highlighting
	-------------------------
	 use {
        'nvim-treesitter/nvim-treesitter', -- treesitter for nicer highlights
        run = ':TSUpdate'
    }
	use 'p00f/nvim-ts-rainbow'
	use {
		'lewis6991/spellsitter.nvim', -- fix spell
		config = function()
			require('spellsitter').setup()
		end,
		after = 'nvim-treesitter'
	}

	-------------------------
	-- EE - Focus aids
	-------------------------
	use 'folke/zen-mode.nvim'
	use 'folke/twilight.nvim'

	-------------------------
	-- Telescope
	-------------------------
	use {
		'nvim-telescope/telescope.nvim',
		requires = {
			{'nvim-lua/plenary.nvim'},
			{'kyazdani42/nvim-web-devicons', opt = true},
			{'nvim-treesitter/nvim-treesitter', opt = true}
		}
	}
	use {'nvim-telescope/telescope-fzf-native.nvim', run = 'make' }

	------------------------
	-- Git Integrations
	------------------------
	use {
		'lewis6991/gitsigns.nvim',
		config = function()
			require('gitsigns').setup()
		end
	}

	if Packer_bootstrap then
		require('packer').sync() -- make packer do a full sync on first load
	end
end)