"""
Actions API for sending keyboard inputs to GSPro.
"""

import asyncio
import logging
from typing import Optional

from fastapi import APIRouter, HTTPException, BackgroundTasks
from pydantic import BaseModel, Field

from ..core.input_ctrl import press_key, press_keys, key_down, key_up, focus_window, is_gspro_running
from ..core.config import get_config

logger = logging.getLogger(__name__)
router = APIRouter()


class KeyPressRequest(BaseModel):
    """Request model for single key press."""

    key: str = Field(..., description="Key or key combination to press (e.g., 'a', 'ctrl+m')")
    delay: Optional[float] = Field(0.0, description="Delay in seconds before pressing the key")


class KeyHoldRequest(BaseModel):
    """Request model for key hold operations."""

    key: str = Field(..., description="Key to hold or release")
    duration: Optional[float] = Field(None, description="Duration to hold the key (seconds)")


class KeySequenceRequest(BaseModel):
    """Request model for key sequence."""

    keys: list[str] = Field(..., description="List of keys to press in sequence")
    interval: float = Field(0.1, description="Interval between key presses (seconds)")


class ActionResponse(BaseModel):
    """Response model for action endpoints."""

    success: bool
    message: str
    key: Optional[str] = None


@router.post("/key", response_model=ActionResponse)
async def send_key(request: KeyPressRequest):
    """
    Send a single key press or key combination to GSPro.

    Supports:
    - Single keys: 'a', 'space', 'enter'
    - Combinations: 'ctrl+m', 'shift+tab'
    - Function keys: 'f1', 'f11'
    - Arrow keys: 'up', 'down', 'left', 'right'
    """
    config = get_config()

    # Check if GSPro is running
    if not is_gspro_running():
        raise HTTPException(status_code=409, detail="GSPro is not running or window not found")

    # Focus GSPro window if auto-focus is enabled
    if config.gspro.auto_focus:
        if not focus_window(config.gspro.window_title):
            logger.warning(f"Could not focus window: {config.gspro.window_title}")

    try:
        # Apply delay if specified
        if request.delay > 0:
            await asyncio.sleep(request.delay)

        # Send the key press
        if "+" in request.key:
            # Handle key combination
            press_keys(request.key)
        else:
            # Handle single key
            press_key(request.key)

        logger.info(f"Sent key press: {request.key}")
        return ActionResponse(success=True, message=f"Key '{request.key}' pressed successfully", key=request.key)
    except Exception as e:
        logger.error(f"Failed to send key press: {e}")
        raise HTTPException(status_code=500, detail=f"Failed to send key press: {str(e)}")


@router.post("/keydown", response_model=ActionResponse)
async def send_key_down(request: KeyHoldRequest, background_tasks: BackgroundTasks):
    """
    Press and hold a key down.

    If duration is specified, the key will be automatically released after that time.
    Otherwise, you must call /keyup to release it.
    """
    config = get_config()

    if not is_gspro_running():
        raise HTTPException(status_code=409, detail="GSPro is not running or window not found")

    if config.gspro.auto_focus:
        focus_window(config.gspro.window_title)

    try:
        key_down(request.key)
        logger.info(f"Key down: {request.key}")

        # If duration is specified, schedule key release
        if request.duration:

            async def release_key():
                await asyncio.sleep(request.duration)
                key_up(request.key)
                logger.info(f"Key released after {request.duration}s: {request.key}")

            background_tasks.add_task(release_key)

            return ActionResponse(
                success=True, message=f"Key '{request.key}' held for {request.duration}s", key=request.key
            )
        else:
            return ActionResponse(
                success=True, message=f"Key '{request.key}' pressed down (call /keyup to release)", key=request.key
            )
    except Exception as e:
        logger.error(f"Failed to hold key down: {e}")
        raise HTTPException(status_code=500, detail=f"Failed to hold key down: {str(e)}")


@router.post("/keyup", response_model=ActionResponse)
async def send_key_up(request: KeyHoldRequest):
    """
    Release a held key.
    """
    config = get_config()

    if not is_gspro_running():
        raise HTTPException(status_code=409, detail="GSPro is not running or window not found")

    if config.gspro.auto_focus:
        focus_window(config.gspro.window_title)

    try:
        key_up(request.key)
        logger.info(f"Key up: {request.key}")

        return ActionResponse(success=True, message=f"Key '{request.key}' released", key=request.key)
    except Exception as e:
        logger.error(f"Failed to release key: {e}")
        raise HTTPException(status_code=500, detail=f"Failed to release key: {str(e)}")


@router.post("/sequence", response_model=ActionResponse)
async def send_key_sequence(request: KeySequenceRequest):
    """
    Send a sequence of key presses with specified interval between them.
    """
    config = get_config()

    if not is_gspro_running():
        raise HTTPException(status_code=409, detail="GSPro is not running or window not found")

    if config.gspro.auto_focus:
        focus_window(config.gspro.window_title)

    try:
        for i, key in enumerate(request.keys):
            if "+" in key:
                press_keys(key)
            else:
                press_key(key)

            # Add interval between keys (except after last one)
            if i < len(request.keys) - 1:
                await asyncio.sleep(request.interval)

        logger.info(f"Sent key sequence: {request.keys}")
        return ActionResponse(
            success=True, message=f"Sent {len(request.keys)} key presses", key=", ".join(request.keys)
        )
    except Exception as e:
        logger.error(f"Failed to send key sequence: {e}")
        raise HTTPException(status_code=500, detail=f"Failed to send key sequence: {str(e)}")


@router.get("/shortcuts")
async def get_shortcuts():
    """
    Get a list of all available GSPro keyboard shortcuts.
    """
    shortcuts = {
        "aim": {"up": "up", "down": "down", "left": "left", "right": "right", "reset": "a"},
        "club": {"up": "u", "down": "k"},
        "shot": {"mulligan": "ctrl+m", "options": "'", "putt_toggle": "u"},
        "tee": {"left": "c", "right": "v"},
        "view": {
            "map_toggle": "s",
            "map_zoom_in": "q",
            "map_zoom_out": "w",
            "scorecard": "t",
            "range_finder": "r",
            "heat_map": "y",
            "pin_indicator": "p",
            "flyover": "o",
            "free_look": "f5",
            "aim_point": "f3",
            "green_grid": "g",
            "ui_toggle": "h",
        },
        "camera": {"go_to_ball": "5", "fly_to_ball": "6", "shot_camera": "j"},
        "practice": {"go_to_ball": "8", "previous_hole": "9", "next_hole": "0"},
        "system": {
            "fullscreen": "f11",
            "fps_display": "f",
            "console_short": "f8",
            "console_tall": "f9",
            "tracer_clear": "f1",
        },
        "settings": {
            "sound_on": "+",
            "sound_off": "-",
            "lighting": "l",
            "3d_grass": "z",
            "switch_hand": "n",
            "shadow_increase": ">",
            "shadow_decrease": "<",
        },
    }

    return {"shortcuts": shortcuts, "total": sum(len(category) for category in shortcuts.values())}