local T = {}

-- from astronvim util function
--- Check if a plugin is defined in lazy. Useful with lazy loading when a plugin is not necessarily loaded yet
---@param plugin string The plugin to search for
---@return boolean available # Whether the plugin is available
function T.is_available(plugin)
	return T.get_plugin(plugin) and true or false
end

-- Get the plugin file handle if it exists, return nil otherwise
function T.get_plugin(plugin)
	local status, lib = pcall(require, plugin)
	if status then
		return lib
	end
	return nil
end

-- Remove the key from the vim keymap and from being displayed in which-key
-- FIXME This does not consistently currently with which-key
-- Every once in a while the maps are correctly hidden but other times they stay?
function T.unmap_key(lhs, mode)
	mode = mode or "n"
	if T.is_available("which-key") then
		vim.keymap.set(mode, lhs, "", { desc = "which_key_ignore", silent = true })
	end
	pcall(vim.keymap.del, mode, lhs)
end

-- from https://github.com/ray-x/navigator.lua/issues/247#issue-1465308677
local function path_join(...)
	return table.concat(vim.tbl_flatten({ ... }), "/")
end
-- return the current python environment path
function T.get_python_venv(workspace)
	-- Use activated virtualenv.
	if vim.env.VIRTUAL_ENV then
		return path_join(vim.env.VIRTUAL_ENV, "bin", "python")
	end
	-- Find and use virtualenv in workspace directory.
	for _, pattern in ipairs({ "*", ".*" }) do
		local match = vim.fn.glob(path_join(workspace, pattern, "pyvenv.cfg"))
		if match ~= "" then
			local py = path_join("bin", "python")
			match = string.gsub(match, "pyvenv.cfg", py)
			return match
		end
		match = vim.fn.glob(path_join(workspace, pattern, "poetry.lock"))
		if match ~= "" then
			local venv_base_folder = vim.fn.trim(vim.fn.system("poetry env info -p"))
			return path_join(venv_base_folder, "bin", "python")
		end
	end
	-- Fallback to system Python.
	return vim.fn.exepath("python3") or vim.fn.exepath("python") or "python"
end

return T