"""应用宝和平精英充值工作台 API。"""

from __future__ import annotations

import uuid

from fastapi import APIRouter, Depends, HTTPException, Query
from sqlalchemy.orm import Session

from ..database import get_db
from ..deps import get_current_user, require_permission
from ..models import User, YybRechargeTask
from ..permissions import user_has_permission
from ..schemas import YybLoginRequest, YybSelectionRequest, YybTaskCreateRequest
from ..services.yyb_service import public_task, sync_task
from ..services.yyb_worker_client import YybWorkerClient, YybWorkerError


router = APIRouter(prefix="/api/yyb", tags=["应用宝充值"])


def _get_task(db: Session, task_id: int, current: User) -> YybRechargeTask:
    task = db.query(YybRechargeTask).filter(YybRechargeTask.id == task_id).first()
    if not task:
        raise HTTPException(404, "充值任务不存在")
    if task.created_by != current.id and not user_has_permission(current, "yyb:history"):
        raise HTTPException(403, "无权查看该充值任务")
    return task


def _worker_call(call):
    try:
        return call()
    except YybWorkerError as exc:
        raise HTTPException(502, str(exc)) from exc


@router.post("/tasks")
def create_task(payload: YybTaskCreateRequest, db: Session = Depends(get_db), current: User = Depends(require_permission("yyb:session"))):
    data = _worker_call(YybWorkerClient().create_job)
    task = YybRechargeTask(task_id=uuid.uuid4().hex[:16], created_by=current.id,
                           worker_job_id=str(data["job_id"]), status=str(data.get("status", "created")),
                           phase="login", message="请选择登录方式")
    db.add(task)
    db.commit()
    db.refresh(task)
    return public_task(task, include_qr=False)


@router.post("/tasks/{task_id}/login")
def login(task_id: int, payload: YybLoginRequest, db: Session = Depends(get_db), current: User = Depends(require_permission("yyb:session"))):
    task = _get_task(db, task_id, current)
    data = _worker_call(lambda: YybWorkerClient().login(task.worker_job_id, payload.provider, payload.timeout))
    task.provider = payload.provider
    task.status = str(data.get("status", "waiting_login"))
    task.phase = "login"
    task.message = "请扫码登录并在手机确认"
    if data.get("qr_data"):
        task.login_qr_data = data["qr_data"]
    db.commit()
    return public_task(task)


@router.get("/tasks/{task_id}")
def get_task(task_id: int, db: Session = Depends(get_db), current: User = Depends(get_current_user)):
    task = _get_task(db, task_id, current)
    try:
        sync_task(db, task, YybWorkerClient())
    except YybWorkerError:
        # Worker 暂时重启时仍返回最近一次持久化状态。
        pass
    return public_task(task, include_qr=user_has_permission(current, "yyb:session"),
                       include_payment_qr=user_has_permission(current, "yyb:recharge"))


@router.get("/tasks")
def list_tasks(limit: int = Query(50, ge=1, le=200), db: Session = Depends(get_db), current: User = Depends(require_permission("yyb:history"))):
    tasks = db.query(YybRechargeTask).order_by(YybRechargeTask.id.desc()).limit(limit).all()
    return [public_task(task, include_qr=False) for task in tasks]


@router.get("/tasks/{task_id}/selection-options")
def selection_options(task_id: int, platform: str = Query("android"), points: int | None = Query(None), zone_id: str | None = Query(None), db: Session = Depends(get_db), current: User = Depends(require_permission("yyb:session"))):
    task = _get_task(db, task_id, current)
    data = _worker_call(lambda: YybWorkerClient().selection_options(task.worker_job_id, platform, points, zone_id))
    task.platform = platform
    db.commit()
    return data


@router.post("/tasks/{task_id}/selection")
def selection(task_id: int, payload: YybSelectionRequest, db: Session = Depends(get_db), current: User = Depends(require_permission("yyb:session"))):
    task = _get_task(db, task_id, current)
    data = _worker_call(lambda: YybWorkerClient().selection(task.worker_job_id, payload.model_dump()))
    selected = data.get("selection", payload.model_dump())
    for field in ("platform", "points", "product_id", "zone_id", "zone_name", "role_id", "role_name"):
        setattr(task, field, selected[field])
    task.phase, task.status, task.message = "payment", "ready", "选择已保存，可以创建付款码"
    db.commit()
    return public_task(task)


@router.post("/tasks/{task_id}/payment")
def payment(task_id: int, db: Session = Depends(get_db), current: User = Depends(require_permission("yyb:recharge"))):
    task = _get_task(db, task_id, current)
    if not task.product_id or not task.role_id:
        raise HTTPException(400, "请先完成商品、区服和角色选择")
    data = _worker_call(lambda: YybWorkerClient().payment(task.worker_job_id))
    task.status = str(data.get("status", "running"))
    task.phase = "payment"
    task.message = "正在创建订单和付款码"
    db.commit()
    return public_task(task)


@router.post("/tasks/{task_id}/stop")
def stop(task_id: int, db: Session = Depends(get_db), current: User = Depends(require_permission("yyb:session"))):
    task = _get_task(db, task_id, current)
    data = _worker_call(lambda: YybWorkerClient().stop(task.worker_job_id))
    task.status = "failed"
    task.phase = "stopped"
    task.message = "任务已停止"
    db.commit()
    return public_task(task)