--- Headless entry point for the e2e suite. Bootstraps the runtimepath and
--- package.path, loads the plugin, runs every `*_spec.lua` in this directory,
--- and exits non-zero if any test failed (so CI fails honestly).
---
---   nvim --headless -u NONE -c "luafile tests/e2e/run.lua"

local here = vim.fn.fnamemodify(debug.getinfo(1, "S").source:sub(2), ":p")
local root = vim.fn.fnamemodify(here, ":h:h:h") -- .../heph.nvim (absolute)
local e2e = root .. "/tests/e2e"

vim.opt.runtimepath:append(root)
package.path = root .. "/tests/?.lua;" .. root .. "/tests/?/init.lua;" .. package.path
vim.cmd("runtime plugin/heph.lua")

local runner = require("e2e.runner")
runner.install_globals()

local files = vim.fn.glob(e2e .. "/*_spec.lua", false, true)
table.sort(files)

-- Guard against a false green: zero specs found (e.g. a path/glob mistake in a
-- container) must fail, not pass silently.
if #files == 0 then
  io.stderr:write("heph e2e: no *_spec.lua found under " .. e2e .. "\n")
  vim.cmd("cquit 1")
  return
end

local failed = runner.run_files(files)
vim.cmd(failed > 0 and "cquit 1" or "quit")