--[[
--
-- This file is not required for your own configuration,
-- but helps people determine if their system is setup correctly.
--
--]]

local check_version = function()
  local verstr = tostring(vim.version())
  if not vim.version.ge then
    vim.health.error(string.format("Neovim out of date: '%s'. Upgrade to latest stable or nightly", verstr))
    return
  end

  if vim.version.ge(vim.version(), '0.10-dev') then
    vim.health.ok(string.format("Neovim version is: '%s'", verstr))
  else
    vim.health.error(string.format("Neovim out of date: '%s'. Upgrade to latest stable or nightly", verstr))
  end
end

local check_external_reqs = function()
  -- Basic utils: `git`, `make`, `unzip`
  for _, exe in ipairs { 'git', 'make', 'unzip', 'rg' } do
    local is_executable = vim.fn.executable(exe) == 1
    if is_executable then
      vim.health.ok(string.format("Found executable: '%s'", exe))
    else
      vim.health.warn(string.format("Could not find executable: '%s'", exe))
    end
  end

  return true
end

return {
  check = function()
    vim.health.start 'kickstart.nvim'

    vim.health.info [[NOTE: Not every warning is a 'must-fix' in `:checkhealth`

  Fix only warnings for plugins and languages you intend to use.
    You do not need to install, unless you want to use those languages!]]

    local uv = vim.uv or vim.loop
    vim.health.info('System Information: ' .. vim.inspect(uv.os_uname()))

    check_version()
    check_external_reqs()
  end,
}