local M = {}

function M.root(root)
  local f = debug.getinfo(1, "S").source:sub(2)
  return vim.fn.fnamemodify(f, ":p:h:h") .. "/" .. (root or "")
end

---@param plugin string
function M.load(plugin)
  local name = plugin:match ".*/(.*)"
  local package_root = M.root ".tests/site/pack/deps/start/"
  if not vim.loop.fs_stat(package_root .. name) then
    print("Installing " .. plugin)
    vim.fn.mkdir(package_root, "p")
    vim.fn.system {
      "git",
      "clone",
      "--depth=1",
      "https://github.com/" .. plugin .. ".git",
      package_root .. "/" .. name,
    }
  end
end

function M.setup()
  vim.cmd [[set runtimepath=$VIMRUNTIME]]
  vim.opt.runtimepath:append(M.root())
  vim.opt.packpath = { M.root ".tests/site" }
  M.load "nvim-lua/plenary.nvim"
  M.load "MunifTanjim/nui.nvim"
  vim.env.XDG_CONFIG_HOME = M.root ".tests/config"
  vim.env.XDG_DATA_HOME = M.root ".tests/data"
  vim.env.XDG_STATE_HOME = M.root ".tests/state"
  vim.env.XDG_CACHE_HOME = M.root ".tests/cache"
end

vim.o.swapfile = false
_G.__TEST = true

M.setup()
