from fastapi import APIRouter
from fastapi.params import Depends
from alien_store.api.deps import get_contract_service
from alien_store.schemas.request.contract_store import TemplatesCreate
from alien_store.services.contract_server import ContractServer
from common.esigntool.main import fill_in_template
import json
router = APIRouter()

@router.get("/")
async def index():
    return {"module": "Contract", "status": "Ok"}


@router.post("/get_esign_templates")
async def create_esign_templates(templates_data: TemplatesCreate, templates_server: ContractServer = Depends(get_contract_service)):
    # 调用 e签宝生成文件
    res_text = fill_in_template(templates_data.merchant_name)
    try:
        res_data = json.loads(res_text)
    except json.JSONDecodeError:
        return {"success": False, "message": "e签宝返回非 JSON", "raw": res_text}

    # 从返回结构提取下载链接，需与实际返回字段匹配
    try:
        contract_url = res_data["data"]["fileDownloadUrl"]
    except Exception:
        return {"success": False, "message": "e签宝返回缺少 fileDownloadUrl", "raw": res_data}

    # pydantic v2 使用 model_copy 更新字段
    data_with_url = templates_data.model_copy(update={"contract_url": contract_url, "seal_url": None})
    return await templates_server.create_template(data_with_url)