import json
from pathlib import Path

from typer.testing import CliRunner

from reyna_cli.cli import app, build_tts_payload
from reyna_cli.config import Device, Registry, get_device, load_registry
from reyna_cli.utils import infer_capabilities, resolve_tool_name

runner = CliRunner()


def test_resolve_tool_name():
    available_tools = [
        {"name": "draw_text", "description": "Draw text on screen"},
        {"name": "get_battery", "description": "Get battery status"},
        {"name": "play_audio_base64", "description": "Play audio"},
    ]
    assert resolve_tool_name("text", available_tools) == "draw_text"
    assert resolve_tool_name("battery", available_tools) == "get_battery"
    assert resolve_tool_name("speech", available_tools) == "play_audio_base64"
    assert resolve_tool_name("unknown", available_tools) is None


def test_infer_capabilities():
    caps = infer_capabilities([{"name": "draw_text"}, {"name": "screenshot"}])
    assert caps["text"] == "draw_text"
    assert caps["screenshot"] == "screenshot"
    assert caps["speech"] is None


def test_registry_mapping_yaml(tmp_path, monkeypatch):
    registry_path = tmp_path / "local_devices.yaml"
    registry_path.write_text(
        """
version: 1
devices:
  esp32_screen:
    display_name: ESP32 Screen
    host: esp32-screen.local
    url: http://esp32-screen.local/api/mcp
    fallback_url: http://192.168.68.123/api/mcp
    capabilities: [display, audio]
""",
        encoding="utf-8",
    )
    monkeypatch.setenv("REYNA_DEVICES_REGISTRY", str(registry_path))
    registry = load_registry()
    device = get_device("screen", registry)
    assert device is not None
    assert device.id == "esp32_screen"
    assert device.candidate_urls() == ["http://esp32-screen.local/api/mcp", "http://192.168.68.123/api/mcp"]


def test_config_get_device():
    registry = Registry(devices=[Device(id="iphone_mcp", url="http://localhost:8080/api/mcp"), Device(id="personal_laptop_screen", url="http://localhost:8081/api/mcp"), Device(id="local_desktop_screen", url="http://127.0.0.1:8080/api/mcp")])
    iphone = get_device("iphone", registry)
    laptop = get_device("laptop", registry)
    computer = get_device("computer", registry)
    assert iphone is not None
    assert laptop is not None
    assert computer is not None
    assert iphone.url == "http://localhost:8080/api/mcp"
    assert laptop.url == "http://localhost:8081/api/mcp"
    assert computer.url == "http://127.0.0.1:8080/api/mcp"
    assert get_device("nonexistent", registry) is None


def test_cli_doctor():
    result = runner.invoke(app, ["doctor", "--json"])
    assert result.exit_code == 0
    assert json.loads(result.stdout)["ok"] is True


def test_cli_devices_list(monkeypatch, tmp_path):
    registry_path = tmp_path / "local_devices.yaml"
    registry_path.write_text("devices: {}\n", encoding="utf-8")
    monkeypatch.setenv("REYNA_DEVICES_REGISTRY", str(registry_path))
    result = runner.invoke(app, ["devices", "list", "--json"])
    assert result.exit_code == 0
    payload = json.loads(result.stdout)
    assert payload["ok"] is True
    assert payload["devices"] == []


def test_cli_json_args_invalid_fails():
    result = runner.invoke(app, ["devices", "call", "nonexistent", "tool", "--args", "{invalid}", "--json"])
    assert result.exit_code != 0
    assert json.loads(result.stdout)["ok"] is False


def test_screen_has_subcommands():
    result = runner.invoke(app, ["screen", "--help"])
    assert result.exit_code == 0
    assert "text" in result.stdout
    assert "speak" in result.stdout


def test_build_tts_payload_base64_encodes_wav(monkeypatch, tmp_path):
    def fake_synthesize(message, wav_path, command_template=None, voice=None, sample_rate=16000):
        wav_path.write_bytes(b"RIFFfake-wav")
        return wav_path

    monkeypatch.setattr("reyna_cli.cli.synthesize_wav", fake_synthesize)
    payload = build_tts_payload("hello", tmp_path / "speech.wav", 42, None, None, 16000)
    assert payload == {"wav_base64": "UklGRmZha2Utd2F2", "volume": 42}


def test_screen_speak_generates_wav_base64_payload(monkeypatch, tmp_path):
    registry_path = tmp_path / "local_devices.yaml"
    registry_path.write_text(
        """
devices:
  esp32_screen:
    display_name: ESP32 Screen
    url: http://screen.local/api/mcp
""",
        encoding="utf-8",
    )
    monkeypatch.setenv("REYNA_DEVICES_REGISTRY", str(registry_path))

    def fake_get_tools(device, live_only=False, cache_only=False, refresh=False):
        return {"ok": True, "tools": [{"name": "play_audio_base64"}]}

    calls = []

    def fake_call_device_tool(device, tool_name, arguments):
        calls.append((device.id, tool_name, arguments))
        return {"ok": True, "result": "played"}

    def fake_synthesize(message, wav_path, command_template=None, voice=None, sample_rate=16000):
        assert message == "hello screen"
        wav_path.write_bytes(b"RIFFfake-wav")
        return wav_path

    monkeypatch.setattr("reyna_cli.cli.get_tools", fake_get_tools)
    monkeypatch.setattr("reyna_cli.cli.call_device_tool", fake_call_device_tool)
    monkeypatch.setattr("reyna_cli.cli.synthesize_wav", fake_synthesize)

    result = runner.invoke(app, ["screen", "speak", "hello screen", "--volume", "42", "--out", str(tmp_path / "speech.wav"), "--json"])
    assert result.exit_code == 0
    assert calls == [("esp32_screen", "play_audio_base64", {"wav_base64": "UklGRmZha2Utd2F2", "volume": 42})]


def test_devices_screen_has_subcommands():
    result = runner.invoke(app, ["devices", "screen", "--help"])
    assert result.exit_code == 0
    assert "text" in result.stdout


def test_laptop_has_subcommands():
    result = runner.invoke(app, ["laptop", "--help"])
    assert result.exit_code == 0
    assert "text" in result.stdout
    assert "speak" in result.stdout
    assert "screenshot" in result.stdout
    assert "sensors" in result.stdout


def test_devices_laptop_has_subcommands():
    result = runner.invoke(app, ["devices", "laptop", "--help"])
    assert result.exit_code == 0
    assert "text" in result.stdout
    assert "battery" in result.stdout


def test_devices_arm_has_subcommands():
    result = runner.invoke(app, ["devices", "arm", "--help"])
    assert result.exit_code == 0
    assert "state" in result.stdout
    assert "wave" in result.stdout
    assert "home" in result.stdout


def test_immich_has_subcommands():
    result = runner.invoke(app, ["immich", "--help"])
    assert result.exit_code == 0
    assert "stats" in result.stdout
    assert "albums" in result.stdout
    assert "search" in result.stdout


def test_mongo_has_subcommands():
    result = runner.invoke(app, ["mongo", "--help"])
    assert result.exit_code == 0
    assert "dbs" in result.stdout
    assert "collections" in result.stdout
    assert "find" in result.stdout


def test_deco_has_subcommands():
    result = runner.invoke(app, ["deco", "--help"])
    assert result.exit_code == 0
    assert "overview" in result.stdout
    assert "clients" in result.stdout
    assert "firmware" in result.stdout
    assert "config" in result.stdout


def test_deco_config_is_direct(monkeypatch, tmp_path):
    empty_env = tmp_path / ".env"
    empty_env.write_text("", encoding="utf-8")
    monkeypatch.setenv("HERMES_ENV_PATH", str(empty_env))
    monkeypatch.setenv("DECO_HOST", "192.168.68.1")
    monkeypatch.delenv("DECO_PASSWORD", raising=False)
    result = runner.invoke(app, ["deco", "config", "--json"])
    assert result.exit_code == 0
    payload = json.loads(result.stdout)
    assert payload["ok"] is True
    assert payload["source"] == "direct"
    assert payload["result"]["host"] == "192.168.68.1"
    assert payload["result"]["passwordConfigured"] is False


def test_macmini_has_subcommands():
    result = runner.invoke(app, ["macmini", "--help"])
    assert result.exit_code == 0
    assert "calendar" in result.stdout
    assert "contacts" in result.stdout
    assert "notes" in result.stdout
    assert "reminders" in result.stdout
    assert "deco" in result.stdout


def test_macmini_calendar_has_subcommands():
    result = runner.invoke(app, ["macmini", "calendar", "--help"])
    assert result.exit_code == 0
    assert "calendars" in result.stdout
    assert "events" in result.stdout
    assert "create" in result.stdout


def test_macmini_deco_has_subcommands():
    result = runner.invoke(app, ["macmini", "deco", "--help"])
    assert result.exit_code == 0
    assert "overview" in result.stdout
    assert "clients" in result.stdout
    assert "firmware" in result.stdout