"""Proxmark3 API endpoints."""
from fastapi import APIRouter, HTTPException, Depends
from pydantic import BaseModel
from typing import Optional
import asyncio

from ..workers.pm3_worker import PM3Worker, PM3Command
from ..managers.session_manager import SessionManager

router = APIRouter()
pm3_worker = PM3Worker()
session_manager = SessionManager()


class CommandRequest(BaseModel):
    command: str
    session_id: Optional[str] = None


class CommandResponse(BaseModel):
    success: bool
    output: str
    error: Optional[str] = None


class StatusResponse(BaseModel):
    connected: bool
    device: str
    version: Optional[str] = None
    session_active: bool


@router.get("/status", response_model=StatusResponse)
async def get_status():
    """Get Proxmark3 status."""
    is_connected = await pm3_worker.is_connected()
    version = None

    if is_connected:
        # Try to get version info
        result = await pm3_worker.execute_command("hw version")
        if result.success:
            version = result.output.split("\n")[0] if result.output else None

    return StatusResponse(
        connected=is_connected,
        device=pm3_worker.device_path,
        version=version,
        session_active=session_manager.has_active_session()
    )


@router.post("/connect")
async def connect():
    """Connect to Proxmark3 device."""
    try:
        await pm3_worker.connect()
        return {"success": True, "message": "Connected to Proxmark3"}
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))


@router.post("/disconnect")
async def disconnect():
    """Disconnect from Proxmark3 device."""
    try:
        await pm3_worker.disconnect()
        return {"success": True, "message": "Disconnected from Proxmark3"}
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))


@router.post("/command", response_model=CommandResponse)
async def execute_command(request: CommandRequest):
    """Execute a Proxmark3 command."""
    try:
        # Check if another session is active
        if not session_manager.can_execute(request.session_id):
            raise HTTPException(
                status_code=423,
                detail="Another session is active. Please take over or wait."
            )

        # Execute command
        result = await pm3_worker.execute_command(request.command)

        # Update session activity
        if request.session_id:
            session_manager.update_activity(request.session_id)

        return CommandResponse(
            success=result.success,
            output=result.output,
            error=result.error
        )
    except Exception as e:
        return CommandResponse(
            success=False,
            output="",
            error=str(e)
        )


@router.get("/commands/history")
async def get_command_history(limit: int = 50):
    """Get recent command history."""
    # TODO: Implement database query
    return {"history": []}