import json
from typing import List
from uuid import uuid4

import requests
from fastapi import Request, APIRouter, Response, HTTPException, Query
from fastapi.responses import HTMLResponse, JSONResponse
from pydantic import BaseModel, ConfigDict, Field
from starlette.responses import RedirectResponse

from jb.config import settings, JB_EVENTS_STREAM
from jb.decorators import REDIS, HM
from jb.flow.monitoring import emit_assignment_event, emit_mturk_notification_event
from jb.models.currency import USDCent
from jb.models.definitions import ReportValue, AssignmentStatus
from jb.models.event import MTurkEvent
from jb.settings import BASE_HTML
from jb.config import settings
from jb.views.tasks import process_request

common_router = APIRouter(prefix="", tags=["API"], include_in_schema=True)


class ReportTask(BaseModel):
    model_config = ConfigDict(extra="forbid")

    worker_id: str = Field()

    reasons: List[ReportValue] = Field(
        examples=[[3, 4]],
        default_factory=list,
    )

    notes: str = Field(
        default="", examples=["The survey wanted to watch me eat Haejang-guk"]
    )


@common_router.post("/report/")
def report(request: Request, data: ReportTask):
    url = f"{settings.fsb_host}{settings.product_id}/report/"
    params = {
        "bpuid": data.worker_id,
        "reasons": [x.value for x in data.reasons],
        "notes": data.notes,
    }

    req = requests.post(url, json=params)
    res = req.json()
    if res.status_code != 200:
        raise HTTPException(
            status_code=res.status_code, detail="Failed to submit report"
        )

    return Response(res)


@common_router.get(path="/work/", response_class=HTMLResponse)
async def work(request: Request):
    """
    HTML Page that the worker lands on in an iFrame.
    They can either be previewing the HIT, or have already accepted it.
    """
    amt_assignment_id = request.query_params.get("assignmentId", None)
    worker_id = request.query_params.get("workerId", None)
    amt_hit_id = request.query_params.get("hitId", None)
    print(f"work: {amt_assignment_id=} {worker_id=} {amt_hit_id=}")

    if not worker_id:
        return RedirectResponse(
            url=f"/preview/?{request.url.query}" if request.url.query else "/preview/",
            status_code=302,
        )
    if amt_assignment_id is None or amt_assignment_id == "ASSIGNMENT_ID_NOT_AVAILABLE":
        # Worker is previewing the HIT
        amt_hit_type_id = "unknown"
        if amt_hit_id:
            hit = HM.get_from_amt_id(amt_hit_id=amt_hit_id)
            amt_hit_type_id = hit.amt_hit_type_id
        emit_assignment_event(
            status=AssignmentStatus.PreviewState, amt_hit_type_id=amt_hit_type_id
        )
        return RedirectResponse(
            url=f"/preview/?{request.url.query}" if request.url.query else "/preview/",
            status_code=302,
        )

    # The Worker has accepted the HIT
    process_request(request)

    return HTMLResponse(BASE_HTML)


@common_router.get(path="/survey/", response_class=JSONResponse)
def survey(
    request: Request,
    worker_id: str = Query(),
    duration: int = Query(default=1200),
):
    if not worker_id:
        raise HTTPException(status_code=400, detail="Missing worker_id")

    # (1) Check wallet
    wallet_url = f"{settings.fsb_host}{settings.product_id}/wallet/"
    wallet_res = requests.get(wallet_url, params={"bpuid": worker_id})
    if wallet_res.status_code != 200:
        raise HTTPException(status_code=502, detail="Wallet check failed")

    wallet_data = wallet_res.json()
    wallet_balance = wallet_data["wallet"]["amount"]
    if wallet_balance < -100:
        return JSONResponse(
            {
                "total_surveys": 0,
                "link": None,
                "duration": None,
                "payout": None,
            }
        )

    # (2) Get offerwall
    client_ip = "69.253.144.55" if settings.debug else request.client.host
    offerwall_url = f"{settings.fsb_host}{settings.product_id}/offerwall/d48cce47/"
    offerwall_res = requests.get(
        offerwall_url,
        params={
            "bpuid": worker_id,
            "ip": client_ip,
            "n_bins": 1,
            "duration": duration,
        },
    )

    if offerwall_res.status_code != 200:
        raise HTTPException(status_code=502, detail="Offerwall request failed")

    try:
        rj = offerwall_res.json()
        bucket = rj["offerwall"]["buckets"][0]
        return JSONResponse(
            {
                "total_surveys": rj["offerwall"]["availability_count"],
                "link": bucket["uri"],
                "duration": round(bucket["duration"]["q2"] / 60),
                "payout": USDCent(bucket["payout"]["q2"]).to_usd_str(),
            }
        )
    except Exception:
        return JSONResponse(
            {
                "total_surveys": 0,
                "link": None,
                "duration": None,
                "payout": None,
            }
        )


@common_router.post(path=f"/{settings.sns_path}/", include_in_schema=False)
async def mturk_notifications(request: Request):
    """
    Our SNS topic will POST to this endpoint whenever we get a new message
    """
    message = await request.json()
    msg_type = message.get("Type")

    if msg_type == "SubscriptionConfirmation":
        subscribe_url = message["SubscribeURL"]
        print("Confirming SNS subscription...")
        requests.get(subscribe_url)

    elif msg_type == "Notification":
        msg = json.loads(message["Message"])
        print("Received MTurk event:", msg)
        enqueue_mturk_notifications(msg)

    return {"status": "ok"}


def enqueue_mturk_notifications(msg) -> None:
    for evt in msg["Events"]:
        event = MTurkEvent.from_sns(evt)
        emit_mturk_notification_event(
            event_type=event.event_type, amt_hit_type_id=event.amt_hit_type_id
        )
        REDIS.xadd(JB_EVENTS_STREAM, {"data": event.model_dump_json()})