local fs = {}

fs.read = function(path)
	if type(path) ~= "string" then
		error("fs.read: path must be a string", 2)
	end
	return __fs_read_file(path)
end

fs.write = function(path, content)
	if type(path) ~= "string" then
		error("fs.write: path must be a string", 2)
	end
	if type(content) ~= "string" then
		error("fs.write: content must be a string", 2)
	end
	return __fs_write_file(path, content)
end

fs.append = function(path, content)
	if type(path) ~= "string" then
		error("fs.append: path must be a string", 2)
	end
	if type(content) ~= "string" then
		error("fs.append: content must be a string", 2)
	end
	return __fs_append_file(path, content)
end

fs.exists = function(path)
	if type(path) ~= "string" then
		error("fs.exists: path must be a string", 2)
	end
	return __fs_exists(path)
end

fs.remove = function(path)
	if type(path) ~= "string" then
		error("fs.remove: path must be a string", 2)
	end
	return __fs_remove_file(path)
end

fs.info = function(path)
	if type(path) ~= "string" then
		error("fs.info: path must be a string", 2)
	end
	local info = __fs_get_info(path)

	-- Convert the Unix timestamp to a readable date
	if info and info.mod_time then
		info.mod_time_str = os.date("%Y-%m-%d %H:%M:%S", info.mod_time)
	end

	return info
end

-- Directory Operations
fs.mkdir = function(path, mode)
	if type(path) ~= "string" then
		error("fs.mkdir: path must be a string", 2)
	end
	mode = mode or 0755
	return __fs_make_dir(path, mode)
end

fs.ls = function(path)
	if type(path) ~= "string" then
		error("fs.ls: path must be a string", 2)
	end
	return __fs_list_dir(path)
end

fs.rmdir = function(path, recursive)
	if type(path) ~= "string" then
		error("fs.rmdir: path must be a string", 2)
	end
	recursive = recursive or false
	return __fs_remove_dir(path, recursive)
end

-- Path Operations
fs.join_paths = function(...)
	return __fs_join_paths(...)
end

fs.dir_name = function(path)
	if type(path) ~= "string" then
		error("fs.dir_name: path must be a string", 2)
	end
	return __fs_dir_name(path)
end

fs.base_name = function(path)
	if type(path) ~= "string" then
		error("fs.base_name: path must be a string", 2)
	end
	return __fs_base_name(path)
end

fs.extension = function(path)
	if type(path) ~= "string" then
		error("fs.extension: path must be a string", 2)
	end
	return __fs_extension(path)
end

-- Utility Functions
fs.read_json = function(path)
	local content = fs.read_file(path)
	if not content then
		return nil, "Could not read file"
	end

	local ok, result = pcall(json.decode, content)
	if not ok then
		return nil, "Invalid JSON: " .. tostring(result)
	end

	return result
end

fs.write_json = function(path, data, pretty)
	if type(data) ~= "table" then
		error("fs.write_json: data must be a table", 2)
	end

	local content
	if pretty then
		content = json.pretty_print(data)
	else
		content = json.encode(data)
	end

	return fs.write_file(path, content)
end

return fs