from __future__ import annotations

import io
import json
import tempfile
import unittest
from contextlib import redirect_stdout
from pathlib import Path
from unittest.mock import patch

from owner_voice_pet.cli import main
from owner_voice_pet.speech_models import REQUIRED_MODEL_FILES, write_default_manifest


class CliAcceptanceTests(unittest.TestCase):
    def call(self, *args: str) -> tuple[int, dict[str, object]]:
        buffer = io.StringIO()
        with redirect_stdout(buffer):
            code = main(list(args))
        return code, json.loads(buffer.getvalue())

    def test_acceptance_command_runs_end_to_end(self) -> None:
        code, data = self.call("acceptance")
        self.assertEqual(code, 0)
        self.assertTrue(data["success"])
        self.assertEqual(data["transcript"], "你是谁")
        self.assertGreaterEqual(data["played_segments"], 1)

    def test_validate_assets_command(self) -> None:
        code, data = self.call("validate-assets")
        self.assertEqual(code, 0)
        self.assertTrue(data["valid"])

    def test_show_config_reads_env_file_without_printing_secret(self) -> None:
        import tempfile

        with tempfile.TemporaryDirectory() as tmp:
            path = f"{tmp}/.env"
            with open(path, "w", encoding="utf-8") as handle:
                handle.write("OWNER_LLM_API_KEY=secret-value\nOWNER_LLM_MODEL=file-model\n")
            code, data = self.call("--env-file", path, "--show-config")
        self.assertEqual(code, 0)
        self.assertTrue(data["llm_api_key_present"])
        self.assertEqual(data["llm_model"], "file-model")
        self.assertEqual(data["pipeline_mode"], "live_turn_based")
        self.assertEqual(data["endpoint_mode"], "primary_speaker")
        self.assertEqual(data["context_mode"], "session_memory")
        self.assertNotIn("secret-value", str(data))

    def test_security_check_command_has_no_leaks(self) -> None:
        code, data = self.call("security-check")
        self.assertEqual(code, 0)
        self.assertEqual(data["secret_leaks"], [])

    def test_model_check_reports_manifest_and_files(self) -> None:
        with tempfile.TemporaryDirectory() as tmp:
            root = Path(tmp)
            write_default_manifest(root)
            for relative in REQUIRED_MODEL_FILES:
                path = root / relative
                path.parent.mkdir(parents=True, exist_ok=True)
                path.write_bytes(b"placeholder")
            with (
                patch("importlib.util.find_spec", return_value=object()),
                patch("owner_voice_pet.cli.SherpaOnnxKeywordWakeWordProvider") as wake_cls,
                patch("owner_voice_pet.cli.SherpaOnnxVadProvider") as vad_cls,
                patch("owner_voice_pet.cli.SherpaOnnxSttProvider") as stt_cls,
                patch("owner_voice_pet.cli.SherpaOnnxDenoiserPreprocessor") as denoiser_cls,
            ):
                wake_cls.return_value.load.return_value = None
                vad_cls.return_value.load.return_value = None
                stt_cls.return_value.load.return_value = None
                denoiser_cls.return_value.load.return_value = None
                code, data = self.call("model-check", "--models-dir", str(root))
        self.assertEqual(code, 0)
        self.assertTrue(data["ok"])
        self.assertEqual(data["missing_files"], [])
        self.assertTrue(data["provider_load_checked"])

    def test_model_check_reports_missing_files(self) -> None:
        with tempfile.TemporaryDirectory() as tmp:
            with patch("importlib.util.find_spec", return_value=object()):
                code, data = self.call("model-check", "--models-dir", tmp)
        self.assertEqual(code, 1)
        self.assertFalse(data["ok"])
        self.assertTrue(data["missing_files"])

    def test_device_check_reports_sounddevice_status(self) -> None:
        with patch("owner_voice_pet.cli.sounddevice_device_report", return_value={"ok": True, "devices": []}):
            code, data = self.call("device-check")
        self.assertEqual(code, 0)
        self.assertTrue(data["ok"])

    def test_run_live_once_invokes_runtime(self) -> None:
        class FakeRuntime:
            def run(self, *, once: bool = False):
                self.once = once
                return type("Summary", (), {"completed_turns": 1, "interrupted": False})()

        fake_runtime = FakeRuntime()
        with patch("owner_voice_pet.cli.build_live_runtime", return_value=fake_runtime):
            code = main(["run-live", "--once"])
        self.assertEqual(code, 0)
        self.assertTrue(fake_runtime.once)

    def test_simulate_live_command_runs_two_turns(self) -> None:
        code, data = self.call("simulate-live", "--turns", "2")
        self.assertEqual(code, 0)
        self.assertTrue(data["success"])
        self.assertEqual(data["completed_turns"], 2)
        self.assertEqual(data["final_transcripts"], ["第1轮模拟问题", "第2轮模拟问题"])
        self.assertTrue(data["checks"]["partial_noise_filtered"])


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