from typing import Dict, List

from app.infra.internal.aigc_decode_server import AigcDecodeServer

from ._const import DecodeMaterialConst


class MaterialDecodeUtils(DecodeMaterialConst):
    decode_server = AigcDecodeServer()

    async def submit_decode_batch(
        self, posts: List[Dict], *, skip_completed: bool = False
    ) -> Dict[str, Dict]:
        """分批提交素材解构任务"""
        result = {}
        for i in range(0, len(posts), self.SUBMIT_BATCH):
            batch = posts[i : i + self.SUBMIT_BATCH]
            response = await self.decode_server.submit_decode(
                config_id=self.CONFIG_ID, posts=batch, skip_completed=skip_completed
            )
            if response.get("code") == 0:
                for item in response.get("data", []):
                    result[item["channelContentId"]] = item
            else:
                for post in batch:
                    cid = post["channelContentId"]
                    result[cid] = {
                        "channelContentId": cid,
                        "status": "FAILED",
                        "errorMessage": f"batch submit failed: {response}",
                    }
        return result

    async def query_decode_results_batch(
        self, content_ids: List[str]
    ) -> Dict[str, Dict]:
        """分批查询素材解构结果"""
        result = {}
        for i in range(0, len(content_ids), self.SUBMIT_BATCH):
            batch = content_ids[i : i + self.SUBMIT_BATCH]
            response = await self.decode_server.query_decode_results(
                config_id=self.CONFIG_ID, channel_content_ids=batch
            )
            if response.get("code") == 0:
                for item in response.get("data", []):
                    result[item["channelContentId"]] = item
            else:
                for cid in batch:
                    result[cid] = {
                        "channelContentId": cid,
                        "status": "API_ERROR",
                        "errorMessage": f"query API failed: {response}",
                    }
        return result

    @staticmethod
    def prepare_posts(materials: List[Dict]) -> List[Dict]:
        """将素材数据转换为 AIGC 解构 API 所需的 post 格式"""
        posts = []
        for m in materials:
            images = []
            cover = m.get("material_cover")
            if cover:
                images.append(cover)
            posts.append(
                {
                    "channelContentId": str(m["material_id"]),
                    "title": m.get("material_title", ""),
                    "bodyText": "",
                    "images": images,
                    "video": None,
                    "contentModal": DecodeMaterialConst.ContentModal.PICTURE_TEXT,
                    "channel": DecodeMaterialConst.Channel.GROWTH_MATERIAL,
                }
            )
        return posts


__all__ = ["MaterialDecodeUtils"]