#!/usr/bin/env python3

import sys
import tempfile
import unittest
from pathlib import Path


PROJECT_ROOT = Path(__file__).resolve().parents[1]
SDK_SRC = PROJECT_ROOT / "packages" / "jwebot-sdk" / "src"
KERNEL_SRC = PROJECT_ROOT / "packages" / "jwebot-kernel" / "src"
sys.path[:0] = [str(SDK_SRC), str(KERNEL_SRC)]

from jwebot_kernel import (  # noqa: E402
    ManifestError,
    PluginType,
    load_manifest,
    parse_manifest,
)
from jwebot_kernel import manifest as manifest_module  # noqa: E402


class ManifestTests(unittest.TestCase):
    def manifest(self, **overrides):
        value = {
            "id": "hello-command",
            "author": "jwebot",
            "description": "Say hello",
            "help": ["/hello [name]"],
            "version": "1.0.0",
            "api_version": "1",
            "entrypoint": "hello_command:plugin",
            "type": "command",
            "capabilities": {
                "commands": ["/hello"],
                "storage": False,
                "network_profiles": [],
                "service_profiles": [],
            },
        }
        value.update(overrides)
        return value

    def test_command_manifest_is_parsed(self):
        manifest = parse_manifest(self.manifest())
        self.assertEqual(manifest.plugin_id, "hello-command")
        self.assertEqual(manifest.author, "jwebot")
        self.assertEqual(manifest.description, "Say hello")
        self.assertEqual(manifest.help_entries, ("/hello [name]",))
        self.assertEqual(manifest.plugin_type, PluginType.COMMAND)
        self.assertEqual(manifest.capabilities.commands, ("/hello",))

    def test_author_is_required_and_bounded(self):
        value = self.manifest()
        del value["author"]
        with self.assertRaisesRegex(ManifestError, "author must"):
            parse_manifest(value)
        with self.assertRaisesRegex(ManifestError, "author has an invalid format"):
            parse_manifest(self.manifest(author="../Alice"))

    def test_unknown_capability_is_rejected(self):
        value = self.manifest()
        value["capabilities"]["shell"] = True
        with self.assertRaisesRegex(ManifestError, "unknown capabilities"):
            parse_manifest(value)

    def test_description_and_help_are_declared_together(self):
        value = self.manifest()
        del value["help"]
        with self.assertRaisesRegex(
            ManifestError,
            "declared together",
        ):
            parse_manifest(value)

    def test_command_manifest_requires_visible_help_metadata(self):
        value = self.manifest()
        del value["description"]
        del value["help"]
        with self.assertRaisesRegex(
            ManifestError,
            "must declare description",
        ):
            parse_manifest(value)

    def test_help_entries_are_bounded_command_usage(self):
        with self.assertRaisesRegex(ManifestError, "invalid display"):
            parse_manifest(self.manifest(help=["plain prose"]))
        with self.assertRaisesRegex(ManifestError, "display boundary"):
            parse_manifest(self.manifest(description="x" * 121))

    def test_command_extension_requires_a_namespace(self):
        value = self.manifest()
        value["capabilities"]["commands"] = []
        with self.assertRaisesRegex(ManifestError, "at least one command"):
            parse_manifest(value)

    def test_non_command_extension_cannot_claim_a_command(self):
        with self.assertRaisesRegex(ManifestError, "only command extensions"):
            parse_manifest(self.manifest(type="enrichment"))

    def test_unsupported_api_version_is_rejected(self):
        with self.assertRaisesRegex(ManifestError, "unsupported api_version"):
            parse_manifest(self.manifest(api_version="2"))

    def test_entrypoint_must_use_plugin_namespace(self):
        with self.assertRaisesRegex(ManifestError, "plugin module namespace"):
            parse_manifest(self.manifest(entrypoint="json:plugin"))

    def test_service_profiles_are_bounded_and_parsed(self):
        value = self.manifest()
        value["capabilities"]["service_profiles"] = ["coin"]
        self.assertEqual(
            parse_manifest(value).capabilities.service_profiles,
            ("coin",),
        )

    def test_duplicate_commands_are_rejected(self):
        value = self.manifest()
        value["capabilities"]["commands"] = ["/hello", "/hello"]
        with self.assertRaisesRegex(ManifestError, "duplicates"):
            parse_manifest(value)

    def test_case_insensitive_duplicate_commands_are_rejected(self):
        value = self.manifest()
        value["capabilities"]["commands"] = ["/Hello", "/hello"]
        with self.assertRaisesRegex(ManifestError, "case-insensitive duplicates"):
            parse_manifest(value)

    def test_command_rejects_manifest_breaking_characters(self):
        value = self.manifest()
        value["capabilities"]["commands"] = ['/"quoted']
        with self.assertRaisesRegex(ManifestError, "invalid value"):
            parse_manifest(value)

    def test_command_accepts_chinese_names(self):
        value = self.manifest()
        value["capabilities"]["commands"] = ["/天气"]
        self.assertEqual(
            parse_manifest(value).capabilities.commands,
            ("/天气",),
        )

    def test_load_manifest_reads_toml(self):
        if manifest_module.tomllib is None:
            self.skipTest("tomli is not installed under local Python")
        with tempfile.TemporaryDirectory() as directory:
            path = Path(directory) / "plugin.toml"
            path.write_text(
                "\n".join(
                    (
                        'id = "hello-command"',
                        'author = "Alice"',
                        'description = "Say hello"',
                        'help = ["/hello"]',
                        'version = "1.0.0"',
                        'api_version = "1"',
                        'entrypoint = "hello_command:plugin"',
                        'type = "command"',
                        "",
                        "[capabilities]",
                        'commands = ["/hello"]',
                        "storage = false",
                        "network_profiles = []",
                    )
                ),
                encoding="utf-8",
            )
            self.assertEqual(load_manifest(path).plugin_id, "hello-command")


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