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 --depth 1 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
    if ok then vim.cmd("packadd " .. plugin) end
    if not ok then
        print(ok, err, code)
    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
    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 { 'tami5/lspsaga.nvim', opt = true }
    use { "williamboman/nvim-lsp-installer", opt = true }
    use { "folke/trouble.nvim", opt = true }
    use { 'stevearc/aerial.nvim', config = function() require('aerial').setup() end }

    -- 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-fzf-native.nvim', run = 'make' }
    use { "nvim-telescope/telescope-project.nvim", opt = true }
    use { "nvim-telescope/telescope-file-browser.nvim" }

    use { 'ibhagwan/fzf-lua',
        -- optional for icon support
        requires = { 'kyazdani42/nvim-web-devicons' }
    }

    use { 'folke/lua-dev.nvim' }
    use { "rafcamlet/nvim-luapad" }

    -- Debugging
    use { "mfussenegger/nvim-dap", 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 }
    use { 'andymass/vim-matchup', opt = true }

    -- Explorer
    use {
        'kyazdani42/nvim-tree.lua',
        requires = 'kyazdani42/nvim-web-devicons',
        opt = true,
        config = function() require 'nvim-tree'.setup {} end
    }
    use { "ahmedkhalf/lsp-rooter.nvim", opt = true } -- with this nvim-tree will follow you
    -- TODO remove when open on dir is supported by nvimtree
    use "kevinhwang91/rnvimr"

    -- use {'lukas-reineke/indent-blankline.nvim', opt=true, branch = 'lua'}
    use { 'lewis6991/gitsigns.nvim',tag = 'release', opt = true, requires = { 'nvim-lua/plenary.nvim' } }
    use { "folke/which-key.nvim", opt = true }
    use { "ChristianChiarulli/dashboard-nvim", opt = true }
    use { "windwp/nvim-autopairs", opt = true }
    use { "kevinhwang91/nvim-bqf", opt = true }

    -- Comments
    use { "terrortylor/nvim-comment", opt = true }
    use { 'JoosepAlviste/nvim-ts-context-commentstring', opt = true }

    -- Color
    use { "christianchiarulli/nvcode-color-schemes.vim", opt = true }
    use { "npxbr/gruvbox.nvim", requires = { "rktjmp/lush.nvim" } }

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

    -- Status Line and Bufferline
    use { "glepnir/galaxyline.nvim", opt = true }
    use { "romgrk/barbar.nvim", opt = true }

    -- Go plugin
    -- use {"fatih/vim-go", run= ":GoUpdateBinaries"}
    -- use {"fatih/vim-go", run = ":GoUpdateBinaries", ft = "go"}
    -- require_plugin("fatih/vim-go")
    -- debuger
    --use { "puremourning/vimspector", opt = true }
    --require_plugin("vimspector")

    -- vim test
    use { "vim-test/vim-test", opt = true }
    require_plugin("vim-test")
    use { "kyoh86/vim-go-coverage", opt = true, ft = "go" }
    require_plugin("vim-go-coverage")
    use { "rcarriga/nvim-dap-ui", requires = { "mfussenegger/nvim-dap" } }

    -- Sane gx for netrw_gx bug
    -- use {"felipec/vim-sanegx"}


    require_plugin("nvim-lspconfig")
    require_plugin("lspsaga.nvim")
    require_plugin("nvim-lsp-installer")
    require_plugin('trouble.nvim')
    require_plugin("friendly-snippets")
    require_plugin("popup.nvim")
    require_plugin("plenary.nvim")
    require_plugin("telescope.nvim")
    require_plugin('telescope-project.nvim')
    require_plugin("nvim-dap")
    require_plugin("nvim-compe")
    require_plugin("vim-vsnip")
    -- require_plugin("nvim-treesitter")
    require_plugin("nvim-ts-autotag")
    require_plugin('vim-matchup')
    require_plugin("nvim-tree.lua")
    require_plugin("gitsigns.nvim")
    require_plugin("which-key.nvim")
    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('lsp-rooter.nvim')
    require_plugin("nvim-ts-context-commentstring")

    use { 'nvim-telescope/telescope-dap.nvim', opt = true }
    require_plugin("telescope-dap.nvim")
    use { 'theHamsta/nvim-dap-virtual-text', opt = true }
    require_plugin("nvim-dap-virtual-text")

    use { "ray-x/lsp_signature.nvim" }
    use 'tanvirtin/monokai.nvim'
    use 'fratajczak/one-monokai-vim'
    use { "npxbr/glow.nvim", run = "GlowInstall" }

    use { "akinsho/nvim-toggleterm.lua" }
    use { "Pocco81/DAPInstall.nvim", opt = true }
    require_plugin("DAPInstall.nvim")

    use {
        'phaazon/hop.nvim',
        branch = 'v1', -- optional but strongly recommended
        config = function()
            -- you can configure Hop the way you like here; see :h hop-config
            require 'hop'.setup { keys = 'etovxqpdygfblzhckisuran' }
        end
    }

    -- markdown
    use { 'godlygeek/tabular' }
    use { 'preservim/vim-markdown' }
    use {
        'iamcco/markdown-preview.nvim',
        run = function() vim.fn['mkdp#util#install']() end,
        ft = { 'markdown' }
    }

    --use 'EdenEast/nightfox.nvim'
    -- use {'godlygeek/tabular', opt=true}
    -- use {'plasticboy/vim-markdown', opt=true}
    -- require_plugin("tabular")
    -- require_plugin("vim-markdown")

    -- Extras
    if O.extras then
        use { 'metakirby5/codi.vim', opt = true }
        require_plugin('codi.vim')
        --use {'iamcco/markdown-preview.nvim', run = 'cd app && npm install', opt = true}
        --require_plugin('markdown-preview.nvim')
        use { 'numToStr/FTerm.nvim', opt = true }
        require_plugin('FTerm.nvim')
        use { 'nacro90/numb.nvim', opt = true }
        require_plugin('numb.nvim')
        use { 'turbio/bracey.vim', run = 'npm install --prefix server', opt = true }
        require_plugin('bracey.vim')

        use { 'norcalli/nvim-colorizer.lua', opt = true }
        require_plugin('nvim-colorizer.lua')
        use { 'windwp/nvim-spectre', opt = true }
        require_plugin('nvim-spectre')
        use { 'nvim-treesitter/playground', opt = true }
        require_plugin('playground')
        -- folke/todo-comments.nvim
        -- gennaro-tedesco/nvim-jqx
        -- TimUntersberger/neogit
        -- folke/lsp-colors.nvim
        -- simrat39/symbols-outline.nvim

        -- Git
        -- use {'tpope/vim-fugitive', opt = true}
        -- use {'tpope/vim-rhubarb', opt = true}
        -- pwntester/octo.nvim

        -- Easily Create Gists
        -- use {'mattn/vim-gist', opt = true}
        -- use {'mattn/webapi-vim', opt = true}
    end

end)