-- Join paths
local function join(...)
    local sep = '/'
    return table.concat({ ... }, sep)
end

-- Packer paths and files
local home = os.getenv 'HOME'
local homepath = join(home, '.var', 'app', 'io.neovim.nvim', 'data', 'site')
local pack_path = join(homepath)
local package_root = join(pack_path, 'pack')

-- Bootstrap packer
local ensure_packer = function()
    local fn = vim.fn
    local packer_install_path = join(package_root, 'packer', 'start', 'packer.nvim')
    if fn.empty(fn.glob(packer_install_path)) > 0 then
        fn.system({'git', 'clone', '--depth', '1', 'https://github.com/wbthomason/packer.nvim', packer_install_path})
        return true
    end
    return false
end
local packer_bootstrap = ensure_packer()

vim.cmd [[packadd packer.nvim]]

return require('packer').startup(function()
    use 'wbthomason/packer.nvim'
    -- Add plugins here:
    use { "ellisonleao/gruvbox.nvim" }
    -- TreeSitter - Syntax highlighting
    use { 'nvim-treesitter/nvim-treesitter', run = ':TSUpdate'}
    require 'nvim-treesitter.configs'.setup {
    highlight = {
        enable = false,
        disable = { }
        },
        ensure_installed = {
            "bash",
            "c",
            "cmake",
            "cpp",
            "css",
            "dart",
            "html",
            "javascript",
            "json",
            "lua",
            "make",
            "markdown",
            "perl",
            "php",
            "rasi",
        "toml",
            "vim",
            "yaml",
        },
        sync_install = true,
        ignore_install = { },
        highlight = {
            enable = true,
            disable = { "" },
            additional_vim_regex_highlighting = false,
        },
        indent = {
            enable = true,
            disable = { "python", "python2", "python3" },
        },
    }
    -- Fold-Cycle - Better management of foldable blocks
    use 'jghauser/fold-cycle.nvim'
    use { 'yamatsum/nvim-cursorline',
        config = function()
            require('nvim-cursorline').setup({
                cursorline = {
                    enable = true,
                    timeout = 0,
                    number = true,
                    hl = {
                        underline = false,
                    },
                },
                cursorword = {
                    enable = true,
                    min_length = 1,
                    hl = {
                        underline = false,
                        bold = true
                    },
                }
            })
            end
        }
    -- LSP - Language Server Protocol
    --use 'neovim/nvim-lspconfig'
    use 'hrsh7th/cmp-nvim-lsp'
    use 'hrsh7th/cmp-buffer'
    use 'hrsh7th/cmp-path'
    use 'hrsh7th/cmp-cmdline'
    use 'hrsh7th/nvim-cmp'
    -- Search
    use { 'nvim-telescope.nvim', requires = {{'nvim-lua/popup.nvim'}, {'nvim-lua/plenary.nvim'}} }
    use 'tpope/vim-eunuch'
    use 'tpope/vim-surround'
    use 'tpope/vim-vinegar'
    use 'kyazdani42/nvim-web-devicons'
    -- Testing
    use 'vim-test/vim-test'
    -- Git
    use 'tpope/vim-fugitive'
    use 'vim-airline/vim-airline'
    use 'vim-airline/vim-airline-themes'
    use 'airblade/vim-gitgutter'
    -- Lightline - lightweight status/tabline beautification
    use 'itchyny/lightline.vim'
    -- Nerdtree - Tree explorer
    use 'preservim/nerdtree'
    -- Conqueror of Completion
    use { 'hrsh7th/nvim-compe' }
    use { 'neoclide/coc.nvim', branch = 'release'}
    use { 'bmeneg/coc-perl', run = 'yarn install && yarn build'}
    -- use 'dart-lang/dart-vim-plugin'

    if packer_bootstrap then
      require('packer').sync()
    end
end)