from fastapi import APIRouter, Depends
from freedata_server.api.common import api_response, api_abort
from freedata_server import audio
from freedata_server import serial_ports
from freedata_server.context import AppContext, get_ctx

router = APIRouter()


@router.get(
    "/audio",
    summary="Get Audio Devices",
    tags=["Devices"],
    responses={
        200: {
            "description": "List of available audio input and output devices.",
            "content": {
                "application/json": {
                    "example": {
                        "in": [
                            {"api": "ALSA", "id": "8eb1", "name": "pipewire", "native_index": 4},
                            {"api": "ALSA", "id": "8e7a", "name": "default", "native_index": 5},
                        ],
                        "out": [
                            {
                                "api": "ALSA",
                                "id": "ae79",
                                "name": "HDA Intel HDMI: 0 (hw:0,3)",
                                "native_index": 0,
                            },
                            {
                                "api": "ALSA",
                                "id": "67fd",
                                "name": "HDA Intel HDMI: 1 (hw:0,7)",
                                "native_index": 1,
                            },
                            {
                                "api": "ALSA",
                                "id": "b68c",
                                "name": "HDA Intel HDMI: 2 (hw:0,8)",
                                "native_index": 2,
                            },
                            {"api": "ALSA", "id": "ba84", "name": "hdmi", "native_index": 3},
                            {"api": "ALSA", "id": "8eb1", "name": "pipewire", "native_index": 4},
                            {"api": "ALSA", "id": "8e7a", "name": "default", "native_index": 5},
                        ],
                    }
                }
            },
        },
        404: {
            "description": "The requested resource was not found.",
            "content": {"application/json": {"example": {"error": "Resource not found."}}},
        },
        503: {
            "description": "Modem not running.",
            "content": {"application/json": {"example": {"error": "Modem not running."}}},
        },
    },
)
async def get_audio_devices(ctx: AppContext = Depends(get_ctx)):
    """
    Retrieve a list of available audio input and output devices.

    Returns:
        dict: A JSON object containing lists of input and output audio devices.
    """
    try:
        dev_in, dev_out = audio.fetch_audio_devices([], [])
    except Exception as e:
        api_abort(f"Error fetching audio devices: {e}", 503)
    return api_response({"in": dev_in, "out": dev_out})


@router.get(
    "/serial",
    summary="Get Serial Devices",
    tags=["Devices"],
    responses={
        200: {
            "description": "List of available serial devices (COM ports).",
            "content": {"application/json": {"example": [{"description": "n/a [26a9]", "port": "/dev/ttyS4"}]}},
        },
        404: {
            "description": "The requested resource was not found.",
            "content": {"application/json": {"example": {"error": "Resource not found."}}},
        },
        503: {
            "description": "Modem not running.",
            "content": {"application/json": {"example": {"error": "Modem not running."}}},
        },
    },
)
async def get_serial_devices(ctx: AppContext = Depends(get_ctx)):
    """
    Retrieve a list of available serial devices (COM ports).

    Returns:
        list: A list of dictionaries containing serial port information.
    """
    try:
        devices = serial_ports.get_ports()
    except Exception as e:
        api_abort(f"Error fetching serial ports: {e}", 503)
    return api_response(devices)