"""A hardware target names its artifacts by the name it is filed under.

`switch`, `nx` and `nintendo-switch` are one RetroArch target. The tag came
from the name as typed, so one target gave three pack and manifest names,
and `--verify-packs --target nx` looked for a pack nobody had built.
"""

from __future__ import annotations

import subprocess
import sys
import tempfile
import unittest
from pathlib import Path

REPO_ROOT = Path(__file__).resolve().parent.parent
sys.path.insert(0, str(REPO_ROOT / "scripts"))

from common import canonical_target_name  # noqa: E402


class AliasesResolveToOneName(unittest.TestCase):
    def test_retroarch_switch_aliases(self):
        platforms = str(REPO_ROOT / "platforms")
        for typed in ("switch", "nx", "nintendo-switch"):
            with self.subTest(typed=typed):
                self.assertEqual(
                    canonical_target_name(["retroarch"], typed, platforms),
                    "nintendo-switch",
                )

    def test_an_unknown_name_is_left_for_the_target_check(self):
        self.assertEqual(
            canonical_target_name(["retroarch"], "bogus", str(REPO_ROOT / "platforms")),
            "bogus",
        )


class TheBuilderNamesByTheCanonicalTarget(unittest.TestCase):
    def test_an_alias_writes_the_canonical_manifest(self):
        if not (REPO_ROOT / "database.json").exists():
            self.skipTest("database.json is not built")
        (REPO_ROOT / "tmp").mkdir(exist_ok=True)
        with tempfile.TemporaryDirectory(dir=REPO_ROOT / "tmp") as out:
            proc = subprocess.run(
                [sys.executable, "scripts/generate_pack.py", "--platform", "retroarch",
                 "--target", "nx", "--manifest", "--offline", "--output-dir", out],
                cwd=REPO_ROOT, capture_output=True, text=True, timeout=600, check=False,
            )
            self.assertEqual(proc.returncode, 0, proc.stderr)
            self.assertEqual(
                sorted(p.name for p in Path(out).glob("*.json")),
                ["retroarch_nintendoswitch.json"],
            )



class TheListingCountsWhatTheFilterUses(unittest.TestCase):
    """--list-targets showed Batocera x86_64 with 198 cores; --target x86_64
    filters on 187 once _overrides.yml removes machine variants and launchers."""

    def test_every_listed_count_is_the_filtered_set(self):
        from common import list_available_targets, load_target_config  # noqa: PLC0415

        platforms = str(REPO_ROOT / "platforms")
        checked = 0
        for target_file in sorted((REPO_ROOT / "platforms" / "targets").glob("[!_]*.yml")):
            platform = target_file.stem
            for row in list_available_targets(platform, platforms):
                with self.subTest(platform=platform, target=row["name"]):
                    self.assertEqual(
                        row["core_count"],
                        len(load_target_config(platform, row["name"], platforms)),
                    )
                checked += 1
        self.assertGreater(checked, 0)

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