"""Sora 2 video generation — OpenAI Videos API.

POST /v1/videos → poll GET /v1/videos/{id} → GET /v1/videos/{id}/content download.
⚠️ Deprecated, shutdown 2026-09-24. Spec 진행은 박재오 결정 따름.
"""
from __future__ import annotations

import logging
import os
import time
from typing import Optional

import requests

from nas_client import webhook_update_task

logger = logging.getLogger(__name__)

SORA_BASE_URL = "https://api.openai.com/v1"
VIDEO_MEDIA_ROOT = os.getenv("VIDEO_MEDIA_ROOT", "/mnt/nas/webpage/data/video")
VIDEO_MEDIA_URL_PREFIX = os.getenv("VIDEO_MEDIA_URL_PREFIX", "/media/video")

POLL_INTERVAL = 15   # OpenAI 권장: 10~20초
POLL_MAX_ATTEMPTS = 40   # 최대 ~10분

DEFAULT_MODEL = "sora-2"


def _headers() -> dict:
    api_key = os.getenv("OPENAI_API_KEY", "")
    return {
        "Authorization": f"Bearer {api_key}",
        "Content-Type": "application/json",
    }


def run_sora_generation(task_id: str, params: dict) -> None:
    """Sora 2로 영상 생성 → mp4 → NAS SMB 저장 → webhook."""
    try:
        if not os.getenv("OPENAI_API_KEY"):
            webhook_update_task(task_id, "failed", 0, "", error="OPENAI_API_KEY 미설정 (Windows .env)")
            return

        webhook_update_task(task_id, "processing", 5, "Sora API 호출 중...")

        payload = {
            "model": params.get("model") or DEFAULT_MODEL,
            "prompt": params["prompt"][:5000],
        }
        if params.get("duration"):
            payload["seconds"] = params["duration"]
        if params.get("size"):
            payload["size"] = params["size"]
        elif params.get("aspect_ratio") == "9:16":
            payload["size"] = "1080x1920"
        elif params.get("aspect_ratio") == "16:9":
            payload["size"] = "1920x1080"

        resp = requests.post(f"{SORA_BASE_URL}/videos", headers=_headers(), json=payload, timeout=30)
        if resp.status_code not in (200, 201):
            webhook_update_task(task_id, "failed", 0, "", error=f"Sora API 오류: {resp.status_code} {resp.text[:300]}")
            return

        body = resp.json()
        video_id = body.get("id", "")
        if not video_id:
            webhook_update_task(task_id, "failed", 0, "", error="Sora 응답에 video id 없음")
            return

        webhook_update_task(task_id, "processing", 15, f"Sora 작업 생성됨 (id={video_id[:16]})")

        # 폴링
        for attempt in range(POLL_MAX_ATTEMPTS):
            time.sleep(POLL_INTERVAL)
            sr = requests.get(f"{SORA_BASE_URL}/videos/{video_id}", headers=_headers(), timeout=30)
            if sr.status_code != 200:
                continue
            sd = sr.json()
            status = sd.get("status", "")
            progress = sd.get("progress", 0)
            scaled = min(15 + int(progress * 0.65), 79)
            webhook_update_task(task_id, "processing", scaled, f"Sora 생성 중... {progress}%")

            if status == "completed":
                break
            elif status == "failed":
                err = sd.get("error", {}).get("message", "Sora 작업 실패")
                webhook_update_task(task_id, "failed", 0, "", error=err)
                return
        else:
            webhook_update_task(task_id, "failed", 0, "", error="Sora 폴링 timeout (10분)")
            return

        # 다운로드
        webhook_update_task(task_id, "processing", 80, "Sora 결과 다운로드 중...")
        filename = f"{task_id}.mp4"
        os.makedirs(VIDEO_MEDIA_ROOT, exist_ok=True)
        file_path = os.path.join(VIDEO_MEDIA_ROOT, filename)

        dl = requests.get(
            f"{SORA_BASE_URL}/videos/{video_id}/content",
            headers=_headers(),
            params={"variant": "video"},
            stream=True,
            timeout=300,
        )
        dl.raise_for_status()
        with open(file_path, "wb") as f:
            for chunk in dl.iter_content(chunk_size=8192):
                f.write(chunk)

        local_url = f"{VIDEO_MEDIA_URL_PREFIX}/{filename}"
        webhook_update_task(task_id, "succeeded", 100, "Sora 생성 완료", video_url=local_url)

    except requests.Timeout:
        webhook_update_task(task_id, "failed", 0, "", error="Sora API 타임아웃")
    except Exception as e:
        logger.exception("Sora generation error task=%s", task_id)
        webhook_update_task(task_id, "failed", 0, "", error=str(e))