import tempfile
import unittest
from pathlib import Path

from scripts import agent_detection_manifest_check as check


def manifest(agent_id: str, version: str, contains: str = "ready") -> str:
    return f'''id = "{agent_id}"
version = "{version}"
min_engine_version = 1
updated_at = "2026-06-10T00:00:00Z"

[[rules]]
id = "idle"
state = "idle"
contains = ["{contains}"]
'''


def catalog(agent_id: str = "codex", path: str = "codex.toml") -> str:
    return f'''schema_version = 1

[[agents]]
id = "{agent_id}"
path = "{path}"
'''


class AgentDetectionManifestCheckTests(unittest.TestCase):
    def test_validates_bundled_and_matching_website_catalog(self):
        with tempfile.TemporaryDirectory() as tmp:
            root = Path(tmp)
            bundled = root / "bundled"
            website = root / "website"
            bundled.mkdir()
            website.mkdir()
            content = manifest("codex", "2026.06.10.1")
            (bundled / "codex.toml").write_text(content)
            (website / "codex.toml").write_text(content)
            (website / "index.toml").write_text(catalog())

            bundled_manifests = check.load_manifest_dir(bundled, engine_version=1)
            check.validate_catalog(website, bundled_manifests, engine_version=1)

    def test_rejects_website_version_lower_than_bundled(self):
        with tempfile.TemporaryDirectory() as tmp:
            root = Path(tmp)
            bundled = root / "bundled"
            website = root / "website"
            bundled.mkdir()
            website.mkdir()
            (bundled / "codex.toml").write_text(manifest("codex", "2026.06.10.2"))
            (website / "codex.toml").write_text(manifest("codex", "2026.06.10.1"))
            (website / "index.toml").write_text(catalog())

            bundled_manifests = check.load_manifest_dir(bundled, engine_version=1)
            with self.assertRaisesRegex(check.CheckError, "lower than bundled"):
                check.validate_catalog(website, bundled_manifests, engine_version=1)

    def test_rejects_same_version_content_drift(self):
        with tempfile.TemporaryDirectory() as tmp:
            root = Path(tmp)
            bundled = root / "bundled"
            website = root / "website"
            bundled.mkdir()
            website.mkdir()
            (bundled / "codex.toml").write_text(manifest("codex", "2026.06.10.1", "ready"))
            (website / "codex.toml").write_text(manifest("codex", "2026.06.10.1", "changed"))
            (website / "index.toml").write_text(catalog())

            bundled_manifests = check.load_manifest_dir(bundled, engine_version=1)
            with self.assertRaisesRegex(check.CheckError, "same version"):
                check.validate_catalog(website, bundled_manifests, engine_version=1)

    def test_rejects_unknown_catalog_agent(self):
        with tempfile.TemporaryDirectory() as tmp:
            root = Path(tmp)
            bundled = root / "bundled"
            website = root / "website"
            bundled.mkdir()
            website.mkdir()
            (bundled / "codex.toml").write_text(manifest("codex", "2026.06.10.1"))
            (website / "newagent.toml").write_text(manifest("newagent", "2026.06.10.1"))
            (website / "index.toml").write_text(catalog("newagent", "newagent.toml"))

            bundled_manifests = check.load_manifest_dir(bundled, engine_version=1)
            with self.assertRaisesRegex(check.CheckError, "unknown agent"):
                check.validate_catalog(website, bundled_manifests, engine_version=1)

    def test_rejects_manifest_requiring_newer_engine(self):
        with tempfile.TemporaryDirectory() as tmp:
            bundled = Path(tmp) / "bundled"
            bundled.mkdir()
            (bundled / "codex.toml").write_text(
                manifest("codex", "2026.06.10.1").replace(
                    "min_engine_version = 1", "min_engine_version = 2"
                )
            )

            with self.assertRaisesRegex(check.CheckError, "exceeds engine"):
                check.load_manifest_dir(bundled, engine_version=1)


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