local execute = vim.api.nvim_command
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
    execute("!git clone https://github.com/wbthomason/packer.nvim " .. install_path)
    execute "packadd packer.nvim"
end

--- Check if a file or directory exists in this path
local function require_plugin(plugin)
    local plugin_prefix = fn.stdpath("data") .. "/site/pack/packer/opt/"

    local plugin_path = plugin_prefix .. plugin .. "/"
    --	print('test '..plugin_path)
    local ok, err, code = os.rename(plugin_path, plugin_path)
    if not ok then
        if code == 13 then
            -- Permission denied, but it exists
            return true
        end
    end
    --	print(ok, err, code)
    if ok then
        vim.cmd("packadd " .. plugin)
    end
    return ok, err, code
end

vim.cmd "autocmd BufWritePost plugins.lua PackerCompile" -- Auto compile when there are changes in plugins.lua

return require("packer").startup(
    function(use)-- Packer can manage itself as an optional plugin
    -- Packer can manage itself as an optional plugin
    use "wbthomason/packer.nvim"

    -- TODO refactor all of this (for now it works, but yes I know it could be wrapped in a simpler function)
    use {"neovim/nvim-lspconfig", opt = true}
    use {"glepnir/lspsaga.nvim", opt = true}
    use {"kabouzeid/nvim-lspinstall", opt = true}

    -- Telescope
    use {"nvim-lua/popup.nvim", opt = true}
    use {"nvim-lua/plenary.nvim", opt = true}
    use {"nvim-telescope/telescope.nvim", opt = true}
	use {"nvim-telescope/telescope-media-files.nvim", opt = true}

    -- Autocomplete
    use {"hrsh7th/nvim-compe", opt = true}
    use {"hrsh7th/vim-vsnip", opt = true}
    use {"rafamadriz/friendly-snippets", opt = true}

    -- Treesitter
    use {"nvim-treesitter/nvim-treesitter", run = ":TSUpdate"}
    use {"windwp/nvim-ts-autotag", opt = true}

    -- Explorer
    use "kyazdani42/nvim-tree.lua"
    -- TODO remove when open on dir is supported by nvimtree
    use "kevinhwang91/rnvimr"

    use {"liuchengxu/vim-which-key", opt = true}
    use {"ChristianChiarulli/dashboard-nvim", opt = true}
    use {"windwp/nvim-autopairs", opt = true}
    use {"terrortylor/nvim-comment", opt = true}
    use {"kevinhwang91/nvim-bqf", opt = true}

    -- Icons
    use {"kyazdani42/nvim-web-devicons", opt = true}

    -- Status Line and Bufferline
    use 'glepnir/galaxyline.nvim'
    use {'akinsho/nvim-bufferline.lua', requires = 'kyazdani42/nvim-web-devicons'}
    use {"romgrk/barbar.nvim", opt = true}

    -- Which key 
    use {"folke/which-key.nvim", opt = true}

    -- Colorschemes
    use 'aktersnurra/githubsy.vim'
    use {"christianchiarulli/nvcode-color-schemes.vim", opt = true}
    use 'norcalli/nvim-colorizer.lua'
    use 'RRethy/nvim-base16'

    -- Git
    use {"lewis6991/gitsigns.nvim", opt = true}
    use 'TimUntersberger/neogit'
    use 'f-person/git-blame.nvim'
    use 'tpope/vim-fugitive'
    use 'tpope/vim-rhubarb'

    -- General Plugins [my own additions]
    use 'airblade/vim-rooter'
    use 'unblevable/quick-scope'
    use 'kdav5758/TrueZen.nvim'
    -- use 'vimwiki/vimwiki'

    require_plugin("nvim-lspconfig")
    require_plugin("lspsaga.nvim")
    require_plugin("nvim-lspinstall")
    require_plugin("popup.nvim")
    require_plugin("plenary.nvim")
    require_plugin("telescope.nvim")
    require_plugin("nvim-dap")
    require_plugin("nvim-compe")
    require_plugin("vim-vsnip")
    require_plugin("nvim-treesitter")
    require_plugin("nvim-ts-autotag")
    require_plugin("nvim-tree.lua")
    require_plugin("gitsigns.nvim")
    require_plugin("vim-which-key")
    require_plugin("dashboard-nvim")
    require_plugin("nvim-autopairs")
    require_plugin("nvim-comment")
    require_plugin("nvim-bqf")
    require_plugin("nvcode-color-schemes.vim")
    require_plugin("nvim-web-devicons")
    require_plugin("galaxyline.nvim")
    require_plugin("barbar.nvim")
    require_plugin("which-key.nvim")

    require_plugin("vim-rooter")
    require_plugin("quick-scope")
    require_plugin("TrueZen")
  end
)