local M = {}
M.config = function()
  O.treesitter = {
    ensure_installed = {}, -- one of "all", "maintained" (parsers with maintainers), or a list of languages
    ignore_install = {},
    matchup = {
      enable = false, -- mandatory, false will disable the whole extension
      -- disable = { "c", "ruby" },  -- optional, list of language that will be disabled
    },
    highlight = {
      enable = true, -- false will disable the whole extension
      additional_vim_regex_highlighting = true,
      disable = { "latex" },
    },
    context_commentstring = {
      enable = false,
      config = { css = "// %s" },
    },
    -- indent = {enable = true, disable = {"python", "html", "javascript"}},
    -- TODO seems to be broken
    indent = { enable = { "javascriptreact" } },
    autotag = { enable = false },
    textobjects = {
      swap = {
        enable = false,
        -- swap_next = textobj_swap_keymaps,
      },
      -- move = textobj_move_keymaps,
      select = {
        enable = false,
        -- keymaps = textobj_sel_keymaps,
      },
    },
    textsubjects = {
      enable = false,
      keymaps = { ["."] = "textsubjects-smart", [";"] = "textsubjects-big" },
    },
    playground = {
      enable = false,
      disable = {},
      updatetime = 25, -- Debounced time for highlighting nodes in the playground from source code
      persist_queries = false, -- Whether the query persists across vim sessions
      keybindings = {
        toggle_query_editor = "o",
        toggle_hl_groups = "i",
        toggle_injected_languages = "t",
        toggle_anonymous_nodes = "a",
        toggle_language_display = "I",
        focus_language = "f",
        unfocus_language = "F",
        update = "R",
        goto_node = "<cr>",
        show_help = "?",
      },
    },
    rainbow = {
      enable = false,
      extended_mode = true, -- Highlight also non-parentheses delimiters, boolean or table: lang -> boolean
      max_file_lines = 1000, -- Do not enable for files with more than 1000 lines, int
    },
  }

  -- -- TODO refactor treesitter
  -- -- @usage pass a table with your desired languages
  -- treesitter = {
  --   ensure_installed = "all",
  --   ignore_install = { "haskell" },
  --   highlight = { enabled = true },
  --   -- The below are for treesitter-textobjects plugin
  --   textobj_prefixes = {
  --     goto_next = "]", -- Go to next
  --     goto_previous = "[", -- Go to previous
  --     inner = "i", -- Select inside
  --     outer = "a", -- Selct around
  --     swap = "<leader>a", -- Swap with next
  --   },
  --   textobj_suffixes = {
  --     -- Start and End respectively for the goto keys
  --     -- for other keys it only uses the first
  --     ["function"] = { "f", "F" },
  --     ["class"] = { "m", "M" },
  --     ["parameter"] = { "a", "A" },
  --     ["block"] = { "k", "K" },
  --     ["conditional"] = { "i", "I" },
  --     ["call"] = { "c", "C" },
  --     ["loop"] = { "l", "L" },
  --     ["statement"] = { "s", "S" },
  --     ["comment"] = { "/", "?" },
  --   },
  --   -- The below is for treesitter hint textobjects plugin
  --   hint_labels = { "h", "j", "f", "d", "n", "v", "s", "l", "a" },
  -- },
end

M.setup = function()
  -- TODO: refacor this whole file and treesitter in general
  -- if not package.loaded['nvim-treesitter'] then return end
  --
  -- Custom parsers
  -- local parser_config = require("nvim-treesitter.parsers").get_parser_configs()
  -- parser_config.make = {
  --     install_info = {
  --         url = "https://github.com/alemuller/tree-sitter-make", -- local path or git repo
  --         files = {"src/parser.c"},
  --         requires_generate_from_grammar = true
  --     }
  -- }
  -- parser_config.just = {
  --     install_info = {
  --         url = "~/dev/tree-sitter-just", -- local path or git repo
  --         files = {"src/parser.c"}
  --     }
  --     -- filetype = "just", -- if filetype does not agrees with parser name
  --     -- used_by = {"bar", "baz"} -- additional filetypes that use this parser
  -- }
  -- Custom text objects
  -- local textobj_prefixes = O.treesitter.textobj_prefixes
  -- local textobj_suffixes = O.treesitter.textobj_suffixes
  -- local textobj_sel_keymaps = {}
  -- local textobj_swap_keymaps = {}
  -- local textobj_move_keymaps = {
  --   enable = O.plugin.ts_textobjects,
  --   set_jumps = true, -- whether to set jumps in the jumplist
  --   goto_next_start = {},
  --   goto_next_end = {},
  --   goto_previous_start = {},
  --   goto_previous_end = {},
  -- }
  -- for obj, suffix in pairs(textobj_suffixes) do
  --   if textobj_prefixes["goto_next"] ~= nil then
  --     textobj_move_keymaps["goto_next_start"][textobj_prefixes["goto_next"] .. suffix[1]] = "@" .. obj .. ".outer"
  --     textobj_move_keymaps["goto_next_end"][textobj_prefixes["goto_next"] .. suffix[2]] = "@" .. obj .. ".outer"
  --   end
  --   if textobj_prefixes["goto_previous"] ~= nil then
  --     textobj_move_keymaps["goto_previous_start"][textobj_prefixes["goto_previous"] .. suffix[2]] = "@" .. obj .. ".outer"
  --     textobj_move_keymaps["goto_previous_end"][textobj_prefixes["goto_previous"] .. suffix[1]] = "@" .. obj .. ".outer"
  --   end
  --
  --   if textobj_prefixes["inner"] ~= nil then
  --     textobj_sel_keymaps[textobj_prefixes["inner"] .. suffix[1]] = "@" .. obj .. ".inner"
  --   end
  --   if textobj_prefixes["outer"] ~= nil then
  --     textobj_sel_keymaps[textobj_prefixes["outer"] .. suffix[1]] = "@" .. obj .. ".outer"
  --   end
  --
  --   if textobj_prefixes["swap"] ~= nil then
  --     textobj_swap_keymaps[textobj_prefixes["swap"] .. suffix[1]] = "@" .. obj .. ".outer"
  --   end
  -- end
  -- vim.g.ts_hint_textobject_keys = O.treesitter.hint_labels -- Requires https://github.com/mfussenegger/nvim-ts-hint-textobject/pull/2
  --
  -- -- Add which key menu entries
  -- local status, wk = pcall(require, "which-key")
  -- if status then
  --   local normal = {
  --     mode = "n", -- Normal mode
  --   }
  --   local operators = {
  --     mode = "o", -- Operator mode
  --   }
  --   wk.register(textobj_sel_keymaps, operators)
  --   wk.register({
  --     ["m"] = "Hint Objects",
  --     ["."] = "Textsubject",
  --     [";"] = "Textsubject-big",
  --   }, operators)
  --   wk.register(textobj_swap_keymaps, normal)
  --   wk.register({
  --     [textobj_prefixes["swap"]] = "Swap",
  --     -- [textobj_prefixes["goto_next"]] = "Jump [",
  --     -- [textobj_prefixes["goto_previous"]] = "Jump ]"
  --   }, normal)
  --   wk.register(textobj_move_keymaps["goto_next_start"], normal)
  --   wk.register(textobj_move_keymaps["goto_next_end"], normal)
  --   wk.register(textobj_move_keymaps["goto_previous_start"], normal)
  --   wk.register(textobj_move_keymaps["goto_previous_end"], normal)
  -- end

  local status_ok, treesitter_configs = pcall(require, "nvim-treesitter.configs")
  if not status_ok then
    return
  end

  treesitter_configs.setup(O.treesitter)
end

return M