local M = {}

local function fmt(item)
  return string.format('%-28s %s', item.cmd, item.desc)
end

local function with_telescope(items, on_choice)
  local pickers = require('telescope.pickers')
  local finders = require('telescope.finders')
  local conf = require('telescope.config').values
  local actions = require('telescope.actions')
  local action_state = require('telescope.actions.state')

  pickers.new({}, {
    prompt_title = 'sttr',
    finder = finders.new_table({
      results = items,
      entry_maker = function(item)
        local display = fmt(item)
        return { value = item, display = display, ordinal = display }
      end,
    }),
    sorter = conf.generic_sorter({}),
    attach_mappings = function(prompt_bufnr)
      actions.select_default:replace(function()
        actions.close(prompt_bufnr)
        local entry = action_state.get_selected_entry()
        on_choice(entry and entry.value)
      end)
      return true
    end,
  }):find()
end

local function with_snacks(snacks, items, on_choice)
  snacks.picker.select(items, {
    prompt = 'sttr',
    format_item = fmt,
  }, on_choice)
end

local function with_native(items, on_choice)
  vim.ui.select(items, {
    prompt = 'sttr',
    format_item = fmt,
  }, on_choice)
end

function M.pick(items, on_choice)
  if pcall(require, 'telescope') then
    return with_telescope(items, on_choice)
  end

  -- Explicit snacks check: covers users who have picker but not select override
  local ok, snacks = pcall(require, 'snacks')
  if ok and type(snacks.picker) == 'table' and type(snacks.picker.select) == 'function' then
    return with_snacks(snacks, items, on_choice)
  end

  -- vim.ui.select: snacks may have overridden it via { select = { enabled = true } }
  with_native(items, on_choice)
end

return M