-- Grab Packer. (This should be OS agnostic)
-- by Iron-E and khuedoan on GitHub
local fn = vim.fn
local install_path = vim.fn.stdpath('data') .. '/site/pack/packer/start/packer.nvim'

if not vim.loop.fs_stat(install_path) then
    if not fn.executable("git") == 1 then
        print("Could not find git. Packer installation failed.")
        return
    end
    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()
    -- get Packer to manage itself
    use 'wbthomason/packer.nvim'
    use 'morhetz/gruvbox'       -- Neovim editor theme (gruvbox MVP)
    use 'williamboman/mason.nvim' -- better lspconfig interface
    use {
        'williamboman/mason-lspconfig.nvim',
        requires = {
            'neovim/nvim-lspconfig', -- Configurations for Nvim LSP
            'williamboman/mason.nvim'
        }
    }

    use { 
        'jay-babu/mason-null-ls.nvim',
        requires = {
            'jose-elias-alvarez/null-ls.nvim',
            'williamboman/mason.nvim'
        }
    }

    use {
        'jay-babu/mason-nvim-dap.nvim',
        requires = {
            'williamboman/mason.nvim',
            'mfussenegger/nvim-dap'
        }
    }
    use {
        'rcarriga/nvim-dap-ui',
        requires = {
            "mfussenegger/nvim-dap"
        }
    }


--[[    use {
        'gleinir/lspsaga.nvim',-- Interact with LSP a little easier
        branch='main'
    }
--]]

    -- learn this
    use 'tpope/vim-surround'
    -- differentiate brackets
    use 'luochen1990/rainbow'
    -- File tree
    use 'preservim/nerdtree'
    -- Distraction free writing
    use 'junegunn/goyo.vim'
    -- The Best Thing EVER
    use 'vimwiki/vimwiki'
    -- Eyecandy lbh
    use 'bling/vim-airline'
    -- better comments
    use 'scrooloose/nerdcommenter'
    -- Show colours
    use 'ap/vim-css-color'
    -- Add snippets
    use 'honza/vim-snippets'
    -- highlight matching html tags
    use 'valloric/matchtagalways'
    -- Syntax highlighting extension
    use 'sheerun/vim-polyglot'
    -- Autocomplete brackets and punctutation
    use 'jiangmiao/auto-pairs'
    -- Debug Adaptor Protocol (added for mason.nvim), and null-ls for linter and formatting
    use 'mfussenegger/nvim-dap'
    use 'jose-elias-alvarez/null-ls.nvim'

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

    -- Live Preview of MD
    use {
        "iamcco/markdown-preview.nvim",
        run = "cd app && npm install",
        setup = function() vim.g.mkdp_filetypes = { "markdown" } end, 
        ft = { "markdown" },
    }

    use 'rbgrouleff/bclose.vim'
    -- Telescope dependencies and entry
    use {
      {
        'nvim-telescope/telescope-fzf-native.nvim',
        run = 'make',
      },
      {
        'nvim-telescope/telescope.nvim',
        branch = '0.1.x',
        requires = { {'nvim-lua/plenary.nvim'} }
      },
      {
        "nvim-telescope/telescope-file-browser.nvim"
      },
    }

    use {
        'hrsh7th/nvim-cmp',
		'hrsh7th/cmp-buffer',	-- completion source
		'hrsh7th/cmp-path',		-- completion source
		'hrsh7th/cmp-nvim-lua',	-- completion source
		'hrsh7th/cmp-nvim-lsp',	-- completion source
        'L3MON4D3/LuaSnip',
        'saadparwaiz1/cmp_luasnip',
        'onsails/lspkind.nvim'
    }

    use 'j-hui/fidget.nvim'

    use {
        "folke/trouble.nvim",
        requires = "nvim-tree/nvim-web-devicons",
    }

    use 'folke/neodev.nvim'

    if Packer_bootstrap then
        require'packer'.sync()
        require'packer'.compile()
    end
end)