"""Генератор launcher Lua не должен менять вложенность событий/сигнатуры."""
from pathlib import Path
import sys
import tempfile
import unittest
import xml.etree.ElementTree as ET

ROOT = Path(__file__).resolve().parents[2]
sys.path.insert(0, str(ROOT / 'toolchain'))
from sdbg_launcher import disk_entries, lua_script, write_keyboard_config
from mame_profile import MameProfile


class LauncherTests(unittest.TestCase):
    def test_mame_profile_prefers_sprinter_and_keeps_legacy_binary(self):
        with tempfile.TemporaryDirectory() as directory:
            home = Path(directory).resolve()
            legacy = home / 'mame.arm'
            legacy.touch()
            self.assertEqual(MameProfile.resolve({'MAME_HOME': directory,
                                                  'MAME_BIN': ''}).binary, legacy)
            modern = home / 'sprinter'
            modern.touch()
            self.assertEqual(MameProfile.resolve({'MAME_HOME': directory,
                                                  'MAME_BIN': ''}).binary, modern)
            self.assertEqual(MameProfile.resolve({'MAME_HOME': directory,
                                                  'MAME_BIN': str(legacy)}).binary,
                             legacy)

    def test_lua_tables_have_expected_shape(self):
        with tempfile.TemporaryDirectory() as directory:
            path = Path(directory) / 'launch.lua'
            lua_script(path, Path(directory)/'ready.json', 0x8100, b'\x21\x42',
                       [(0.0, ':kbd:test', 4, 1)], 0)
            text = path.read_text()
            self.assertIn('local events={{0.0,":kbd:test",4,1}}', text)
            self.assertIn('local signature={33,66}', text)
            self.assertIn('local function dss_prompt_row()', text)
            self.assertNotIn('local events={{{', text)
            self.assertNotIn('local signature={{', text)

    def test_disk_entries_reject_missing_and_83_collision(self):
        with tempfile.TemporaryDirectory() as directory:
            root=Path(directory)
            exe=root/'program-long.exe';exe.write_bytes(b'x')
            duplicate=root/'program-last.exe';duplicate.write_bytes(b'y')
            with self.assertRaisesRegex(ValueError,'8.3'):
                disk_entries(exe,[duplicate])
            with self.assertRaisesRegex(ValueError,'Не найден'):
                disk_entries(exe,[root/'missing.dat'])

    def test_isolated_config_enables_both_sprinter_keyboards(self):
        with tempfile.TemporaryDirectory() as directory:
            write_keyboard_config(Path(directory))
            root = ET.parse(Path(directory)/'sprinter.cfg').getroot()
            self.assertEqual(root.attrib['version'], '10')
            self.assertEqual(root.find('system').attrib['name'], 'sprinter')
            keyboards = {item.attrib['tag']: item.attrib['enabled']
                         for item in root.findall('./system/input/keyboard')}
            self.assertEqual(keyboards, {':': '1', ':kbd:ms_naturl': '1'})


    def test_existing_config_is_merged_not_replaced(self):
        with tempfile.TemporaryDirectory() as directory:
            path = Path(directory)/'sprinter.cfg'
            path.write_text('\ufeff<?xml version="1.0"?>\n<mameconfig version="10">'
                            '<system name="sprinter"><input>'
                            '<keyboard tag=":" enabled="0" />'
                            '<port tag=":TURBO" type="OTHER" mask="1" defvalue="0" value="1" />'
                            '</input><video><target index="0" /></video>'
                            '</system></mameconfig>', encoding='utf-8')
            write_keyboard_config(Path(directory))
            root = ET.parse(path).getroot()
            system = root.find('system')
            self.assertEqual([item.tag for item in system.find('input')],
                             ['keyboard', 'keyboard', 'port'])
            keyboards = {item.attrib['tag']: item.attrib['enabled']
                         for item in system.findall('input/keyboard')}
            self.assertEqual(keyboards, {':': '1', ':kbd:ms_naturl': '1'})
            self.assertEqual(system.find('input/port').attrib['value'], '1')
            self.assertIsNotNone(system.find('video/target'))

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