"""Tests for M14 game/Proton/Steam log collection."""

import tempfile
import unittest
from pathlib import Path
from unittest import mock

from rigdoctor.core import gamelogs


class TailTests(unittest.TestCase):
    def test_tail_returns_last_bytes(self):
        path = Path(tempfile.mkdtemp()) / "x.log"
        path.write_text("A" * 100 + "TAIL")
        out = gamelogs._tail(path, 4)
        self.assertEqual(out, "TAIL")

    def test_tail_short_file(self):
        path = Path(tempfile.mkdtemp()) / "x.log"
        path.write_text("short")
        self.assertEqual(gamelogs._tail(path, 9999), "short")

    def test_tail_missing(self):
        self.assertEqual(gamelogs._tail(Path("/nope/x.log"), 10), "")


class CollectTests(unittest.TestCase):
    def test_collect_includes_proton_and_steam(self):
        tmp = Path(tempfile.mkdtemp())
        proton = tmp / "steam-570.log"
        proton.write_text("err: vkd3d device lost")
        console = tmp / "console-linux.txt"
        console.write_text("Game removed AppID 570 ... exit")
        with mock.patch.object(gamelogs, "_proton_logs", return_value=[proton]), \
             mock.patch.object(gamelogs, "_steam_console", return_value=console):
            out = gamelogs.collect()
        self.assertIn("Proton log", out)
        self.assertIn("vkd3d", out)
        self.assertIn("Steam log", out)
        self.assertIn("exit", out)

    def test_collect_empty_when_none(self):
        with mock.patch.object(gamelogs, "_proton_logs", return_value=[]), \
             mock.patch.object(gamelogs, "_steam_console", return_value=None):
            self.assertEqual(gamelogs.collect(), "")


if __name__ == "__main__":
    unittest.main()