import importlib.util
import os
import pathlib
import unittest
from unittest.mock import patch


os.environ.setdefault("CONTROLLER_TOKEN", "x" * 48)
PATH = pathlib.Path(__file__).parents[1] / "platform/docker/profile-controller/profile_controller.py"
SPEC = importlib.util.spec_from_file_location("profile_controller", PATH)
controller = importlib.util.module_from_spec(SPEC)
assert SPEC and SPEC.loader
SPEC.loader.exec_module(controller)


def item(profile, state="exited"):
    return {
        "Id": f"id-{profile}",
        "State": state,
        "Labels": {controller.LABEL_KEY: profile},
    }


def image_item(state="exited"):
    return {"Id": "id-flux", "State": state,
            "Labels": {controller.IMAGE_LABEL_KEY: controller.IMAGE_WORKER}}


def restore_item(state="exited"):
    return {"Id": "id-restore", "State": state,
            "Labels": {controller.IMAGE_LABEL_KEY: controller.RESTORE_WORKER}}


def tts_item(state="running"):
    return {"Id": "id-tts", "State": state,
            "Labels": {controller.TTS_LABEL_KEY: controller.TTS_WORKER}}


def music_item(state="exited"):
    return {"Id": "id-music", "State": state,
            "Labels": {controller.MUSIC_LABEL_KEY: "acestep"}}


def yue2_item(state="exited"):
    return {"Id": "id-yue2", "State": state,
            "Labels": {controller.MUSIC_LABEL_KEY: "yue2"}}


def separator_item(state="exited"):
    return {"Id": "id-separator", "State": state,
            "Labels": {controller.SEPARATOR_LABEL_KEY: "bs-roformer"}}


def voice_item(state="exited"):
    return {"Id": "id-voice", "State": state,
            "Labels": {controller.VOICE_LABEL_KEY: "vevo2"}}


def voice_change_item(state="exited"):
    return {"Id": "id-xvc", "State": state,
            "Labels": {controller.VOICE_CHANGE_LABEL_KEY: "xvc"}}


class ProfileControllerTests(unittest.TestCase):
    def test_yue2_start_exclusively_stops_llm_and_ace_step(self):
        profiles = {name: item(name) for name in controller.ALLOWED}
        profiles["ultra"] = item("ultra", "running")
        calls = []

        def request(method, path):
            calls.append((method, path))
            return 204, b""

        with patch.object(controller, "YUE2_WORKER", "yue2"), \
             patch.object(controller, "MUSIC_WORKER", "acestep"), \
             patch.object(controller, "containers", return_value=profiles), \
             patch.object(controller, "yue2_container", return_value=yue2_item()), \
             patch.object(controller, "music_container", return_value=music_item("running")), \
             patch.object(controller, "image_containers", return_value=[image_item("running")]), \
             patch.object(controller, "tts_container", return_value=tts_item()), \
             patch.object(controller, "docker_request", side_effect=request):
            result = controller.set_yue2_worker(True)

        self.assertEqual(result, {"yue2_worker": "yue2", "state": "running"})
        self.assertIn(("POST", "/containers/id-ultra/stop?t=120"), calls)
        self.assertIn(("POST", "/containers/id-music/stop?t=30"), calls)
        self.assertEqual(calls[-1], ("POST", "/containers/id-yue2/start"))

    def test_voice_change_start_exclusively_stops_gpu_workers(self):
        profiles = {name: item(name) for name in controller.ALLOWED}
        profiles["medium"] = item("medium", "running")
        calls = []

        def request(method, path):
            calls.append((method, path))
            return 204, b""

        with patch.object(controller, "VOICE_CHANGE_WORKER", "xvc"), \
             patch.object(controller, "VOICE_WORKER", "vevo2"), \
             patch.object(controller, "MUSIC_WORKER", "acestep"), \
             patch.object(controller, "SEPARATOR_WORKER", "bs-roformer"), \
             patch.object(controller, "containers", return_value=profiles), \
             patch.object(controller, "voice_change_container", return_value=voice_change_item()), \
             patch.object(controller, "voice_container", return_value=voice_item("running")), \
             patch.object(controller, "music_container", return_value=music_item("running")), \
             patch.object(controller, "separator_container", return_value=separator_item("running")), \
             patch.object(controller, "image_containers", return_value=[image_item("running")]), \
             patch.object(controller, "tts_container", return_value=tts_item()), \
             patch.object(controller, "docker_request", side_effect=request):
            result = controller.set_voice_change_worker(True)

        self.assertEqual(result, {"voice_change_worker": "xvc", "state": "running"})
        self.assertEqual(calls, [
            ("POST", "/containers/id-medium/stop?t=120"),
            ("POST", "/containers/id-flux/stop?t=20"),
            ("POST", "/containers/id-tts/stop?t=30"),
            ("POST", "/containers/id-music/stop?t=30"),
            ("POST", "/containers/id-separator/stop?t=30"),
            ("POST", "/containers/id-voice/stop?t=30"),
            ("POST", "/containers/id-xvc/start"),
        ])

    def test_voice_start_exclusively_stops_gpu_workers(self):
        profiles = {name: item(name) for name in controller.ALLOWED}
        profiles["medium"] = item("medium", "running")
        calls = []

        def request(method, path):
            calls.append((method, path))
            return 204, b""

        with patch.object(controller, "VOICE_WORKER", "vevo2"), \
             patch.object(controller, "MUSIC_WORKER", "acestep"), \
             patch.object(controller, "SEPARATOR_WORKER", "bs-roformer"), \
             patch.object(controller, "containers", return_value=profiles), \
             patch.object(controller, "voice_container", return_value=voice_item()), \
             patch.object(controller, "music_container", return_value=music_item("running")), \
             patch.object(controller, "separator_container", return_value=separator_item("running")), \
             patch.object(controller, "image_containers", return_value=[image_item("running")]), \
             patch.object(controller, "tts_container", return_value=tts_item()), \
             patch.object(controller, "docker_request", side_effect=request):
            result = controller.set_voice_worker(True)

        self.assertEqual(result, {"voice_worker": "vevo2", "state": "running"})
        self.assertEqual(calls, [
            ("POST", "/containers/id-medium/stop?t=120"),
            ("POST", "/containers/id-flux/stop?t=20"),
            ("POST", "/containers/id-tts/stop?t=30"),
            ("POST", "/containers/id-music/stop?t=30"),
            ("POST", "/containers/id-separator/stop?t=30"),
            ("POST", "/containers/id-voice/start"),
        ])

    def test_separator_start_exclusively_stops_gpu_workers(self):
        profiles = {name: item(name) for name in controller.ALLOWED}
        profiles["large"] = item("large", "running")
        calls = []

        def request(method, path):
            calls.append((method, path))
            return 204, b""

        with patch.object(controller, "SEPARATOR_WORKER", "bs-roformer"), \
             patch.object(controller, "MUSIC_WORKER", "acestep"), \
             patch.object(controller, "containers", return_value=profiles), \
             patch.object(controller, "separator_container", return_value=separator_item()), \
             patch.object(controller, "music_container", return_value=music_item("running")), \
             patch.object(controller, "image_containers", return_value=[image_item("running")]), \
             patch.object(controller, "tts_container", return_value=tts_item()), \
             patch.object(controller, "docker_request", side_effect=request):
            result = controller.set_separator_worker(True)

        self.assertEqual(result, {"separator_worker": "bs-roformer", "state": "running"})
        self.assertEqual(calls, [
            ("POST", "/containers/id-large/stop?t=120"),
            ("POST", "/containers/id-flux/stop?t=20"),
            ("POST", "/containers/id-tts/stop?t=30"),
            ("POST", "/containers/id-music/stop?t=30"),
            ("POST", "/containers/id-separator/start"),
        ])

    def test_music_start_exclusively_stops_gpu_workers(self):
        profiles = {name: item(name) for name in controller.ALLOWED}
        profiles["ultra"] = item("ultra", "running")
        calls = []

        def request(method, path):
            calls.append((method, path))
            return 204, b""

        with patch.object(controller, "MUSIC_WORKER", "acestep"), \
             patch.object(controller, "containers", return_value=profiles), \
             patch.object(controller, "music_container", return_value=music_item()), \
             patch.object(controller, "image_containers",
                          return_value=[image_item("running")]), \
             patch.object(controller, "tts_container", return_value=tts_item()), \
             patch.object(controller, "docker_request", side_effect=request):
            result = controller.set_music_worker(True)

        self.assertEqual(result, {"music_worker": "acestep", "state": "running"})
        self.assertEqual(calls, [
            ("POST", "/containers/id-ultra/stop?t=120"),
            ("POST", "/containers/id-flux/stop?t=20"),
            ("POST", "/containers/id-tts/stop?t=30"),
            ("POST", "/containers/id-music/start"),
        ])

    def test_rejects_unknown_profile_before_docker_call(self):
        with patch.object(controller, "docker_request") as request:
            with self.assertRaises(ValueError):
                controller.activate("shell")
            request.assert_not_called()

    def test_switch_stops_running_profile_then_starts_target(self):
        profiles = {name: item(name) for name in controller.ALLOWED}
        profiles["fast"] = item("fast", "running")
        calls = []

        def request(method, path):
            calls.append((method, path))
            return 204, b""

        with patch.object(controller, "containers", return_value=profiles), \
             patch.object(controller, "image_containers", return_value=[image_item()]), \
             patch.object(controller, "tts_container", return_value=tts_item()), \
             patch.object(controller, "docker_request", side_effect=request):
            result = controller.activate("medium")

        self.assertEqual(result, {"active_profile": "medium", "changed": True})
        self.assertEqual(calls, [
            ("POST", "/containers/id-fast/stop?t=120"),
            ("POST", "/containers/id-medium/start"),
        ])

    def test_fails_if_profile_container_is_missing(self):
        profiles = {name: item(name) for name in controller.ALLOWED[:-1]}
        with patch.object(controller, "containers", return_value=profiles), \
             patch.object(controller, "image_containers", return_value=[image_item()]), \
             patch.object(controller, "tts_container", return_value=tts_item()):
            with self.assertRaisesRegex(RuntimeError, "missing"):
                controller.activate("fast")

    def test_image_start_stops_inference_first(self):
        profiles = {name: item(name) for name in controller.ALLOWED}
        profiles["medium"] = item("medium", "running")
        calls = []

        def request(method, path):
            calls.append((method, path))
            return 204, b""

        with patch.object(controller, "containers", return_value=profiles), \
             patch.object(controller, "image_container", return_value=image_item()), \
             patch.object(controller, "image_containers",
                          return_value=[image_item(), restore_item()]), \
             patch.object(controller, "tts_container", return_value=tts_item()), \
             patch.object(controller, "docker_request", side_effect=request):
            controller.set_image_worker(True)
        self.assertEqual(calls, [
            ("POST", "/containers/id-medium/stop?t=120"),
            ("POST", "/containers/id-tts/stop?t=30"),
            ("POST", "/containers/id-flux/start"),
        ])

    def test_restore_start_stops_flux_and_starts_restore(self):
        profiles = {name: item(name) for name in controller.ALLOWED}
        calls = []

        def request(method, path):
            calls.append((method, path))
            return 204, b""

        with patch.object(controller, "containers", return_value=profiles), \
             patch.object(controller, "image_container", return_value=restore_item()), \
             patch.object(controller, "image_containers",
                          return_value=[image_item("running"), restore_item()]), \
             patch.object(controller, "tts_container", return_value=tts_item()), \
             patch.object(controller, "docker_request", side_effect=request):
            controller.set_image_worker(True, controller.RESTORE_WORKER)
        self.assertEqual(calls, [
            ("POST", "/containers/id-tts/stop?t=30"),
            ("POST", "/containers/id-flux/stop?t=20"),
            ("POST", "/containers/id-restore/start"),
        ])

    def test_profile_activation_stops_image_worker_first(self):
        profiles = {name: item(name) for name in controller.ALLOWED}
        calls = []

        def request(method, path):
            calls.append((method, path))
            return 204, b""

        with patch.object(controller, "containers", return_value=profiles), \
             patch.object(controller, "image_containers",
                          return_value=[image_item("running"), restore_item()]), \
             patch.object(controller, "tts_container", return_value=tts_item()), \
             patch.object(controller, "docker_request", side_effect=request):
            controller.activate("fast")
        self.assertEqual(calls, [
            ("POST", "/containers/id-flux/stop?t=120"),
            ("POST", "/containers/id-fast/start"),
        ])


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