import datetime
from fastapi import APIRouter, Depends, Query
from typing import Any
import json
from datetime import datetime
from alien_store.api.deps import get_contract_service
from alien_store.schemas.request.contract_store import TemplatesCreate, SignUrl
from alien_store.services.contract_server import ContractServer
from common.esigntool.main import *
import re, urllib.parse

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)):
    # AI审核完调用 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"]
        file_id = res_data["data"]["fileId"]
        m = re.search(r'/([^/]+)\.pdf', contract_url)
        if m:
            encoded_name = m.group(1)
            file_name = urllib.parse.unquote(encoded_name)
    except Exception:
        return {"success": False, "message": "e签宝返回缺少 fileDownloadUrl", "raw": res_data}

    sign_data = create_by_file(file_id, file_name, templates_data.contact_phone, templates_data.merchant_name)
    sign_json = json.loads(sign_data)
    sing_id = sign_json["data"]["signFlowId"]
    result_contract = {
        "contract_url": contract_url,
        "file_name": file_name,
        "file_id": file_id,
        "status": 0,
        "sign_flow_id": sing_id,
        "sign_url": ""
    }
    updated = await templates_server.append_contract_url(templates_data, result_contract)
    return {"success": True, "message": "合同模板已追加/创建", "sign_flow_id": sing_id, "file_id": file_id, "contract_url": contract_url}

@router.get("/contracts/{store_id}")
async def list_contracts(store_id: int, templates_server: ContractServer = Depends(get_contract_service)) -> Any:
    """根据 store_id 查询所有合同"""
    rows = await templates_server.list_by_store(store_id)
    return rows

@router.get("/get_all_templates")
async def get_all_templates(
    page: int = Query(1, ge=1, description="页码，从1开始"),
    page_size: int = Query(10, ge=1, le=100, description="每页条数，默认10"),
    templates_server: ContractServer = Depends(get_contract_service)
) -> Any:
    """分页查询所有合同"""
    return await templates_server.list_all_paged(page, page_size)

@router.post("/esign/signurl")
async def get_esign_sign_url(body: SignUrl, templates_server: ContractServer = Depends(get_contract_service)):
    sing_flow_id = body.sign_flow_id
    contact_phone = body.contact_phone
    result = sign_url(sing_flow_id, contact_phone)
    try:
        result_json = json.loads(result)
    except json.JSONDecodeError:
        return {"success": False, "message": "e签宝返回非JSON", "raw": result}
    data = result_json.get("data") if isinstance(result_json, dict) else None
    if not data or not data.get("url"):
        return {"success": False, "message": "e签宝返回缺少签署链接", "raw": result_json}
    result_sign_url = data.get("url")
    await templates_server.update_sign_url(contact_phone, sing_flow_id, result_sign_url)
    return {"success": True, "data": {"url": result_sign_url}}

@router.post("/esign/callback")
async def esign_callback(payload: dict, templates_server: ContractServer = Depends(get_contract_service)) -> Any:
    """
    e签宝签署结果回调
    需求：签署完成 -> 更新 signing_status=已签署，contract_url 中 status=1
    """
    sign_result = payload.get("signResult")
    operator = payload.get("operator") or {}
    sign_flow_id = payload.get("signFlowId")
    psn_account = operator.get("psnAccount") or {}
    contact_phone = psn_account.get("accountMobile")
    # 取回调中的毫秒时间戳，优先 operateTime，其次 timestamp
    ts_ms = payload.get("operateTime") or payload.get("timestamp")
    signing_dt = None
    if ts_ms:
        try:
            signing_dt = datetime.fromtimestamp(ts_ms / 1000)
        except Exception:
            signing_dt = None

    if sign_result == 2 and contact_phone and sign_flow_id:
        updated = await templates_server.mark_signed_by_phone(contact_phone, sign_flow_id, signing_dt)
        return {"code":"200","msg":"success"}
    return {"success": False, "message": "未处理: signResult!=2 或手机号/签署流程缺失"}

@router.post("/esign/callback_auth")
async def esign_callback_auth(payload: dict, templates_server: ContractServer = Depends(get_contract_service)):
    print(payload)
    return {"code":"200","msg":"success"}