from datetime import datetime
from decimal import Decimal
from typing import Any

from redis.asyncio import Redis

from app.api.v1.module_system.auth.schema import AuthSchema
from app.core.alipay import AlipayClient
from app.core.exceptions import CustomException
from app.core.logger import log
from app.utils.snowflake import get_snowflake_id_str
from app.plugin.module_payment.enterprise.crud import EnterpriseCRUD

from .crud import AccountCRUD, TransferCRUD, DepositCRUD, WithdrawCRUD
from .enums import (
    DepositStatusEnum,
)
from .schema import (
    AccountAuthorizeApplySchema,
    AccountAuthorizeApplyOutSchema,
    AccountCreateSchema,
    AccountDepositSchema,
    AccountDepositOutSchema,
    AccountOperationOutSchema,
    AccountQuerySchema,
    AccountTransferSchema,
    AccountTransferOutSchema,
    TransferListOutSchema,
    TransferOutSchema,
    TenantTransferCreate,
    TenantTransferResponse,
)



class AccountService:
    """资金专户服务层"""

    @classmethod
    async def authorize_apply_service(
        cls,
        auth: AuthSchema,
        data: AccountAuthorizeApplySchema
    ) -> AccountAuthorizeApplyOutSchema:
        """
        申请转账授权签约（✅）

        调用: alipay.commerce.ec.trans.authorize.apply
        """
        from alipay.aop.api.request.AlipayCommerceEcTransAuthorizeApplyRequest import (
            AlipayCommerceEcTransAuthorizeApplyRequest,
        )
        from alipay.aop.api.domain.AlipayCommerceEcTransAuthorizeApplyModel import (
            AlipayCommerceEcTransAuthorizeApplyModel,
        )
        from alipay.aop.api.response.AlipayCommerceEcTransAuthorizeApplyResponse import (
            AlipayCommerceEcTransAuthorizeApplyResponse,
        )

        model = AlipayCommerceEcTransAuthorizeApplyModel()
        model.enterprise_id = data.enterprise_id

        request = AlipayCommerceEcTransAuthorizeApplyRequest()
        request.biz_model = model

        client = AlipayClient.get_client()
        response = client.execute(request)

        if not response:
            raise CustomException(msg="申请转账授权失败: 无响应")

        result = AlipayCommerceEcTransAuthorizeApplyResponse()
        result.parse_response_content(response)

        if not result.is_success():
            log.error(f"支付宝接口调用失败: {result.code} - {result.msg}")
            raise CustomException(msg=f"申请转账授权失败: {result.msg}")

        return AccountAuthorizeApplyOutSchema(
            sign_url=result.sign_url,
        )

    @classmethod
    async def create_account_service(
        cls,
        auth: AuthSchema,
        data: AccountCreateSchema
    ) -> AccountOperationOutSchema:
        """
        开通资金专户（✅）

        调用: alipay.commerce.ec.trans.account.create
        """
        from alipay.aop.api.request.AlipayCommerceEcTransAccountCreateRequest import (
            AlipayCommerceEcTransAccountCreateRequest,
        )
        from alipay.aop.api.domain.AlipayCommerceEcTransAccountCreateModel import (
            AlipayCommerceEcTransAccountCreateModel,
        )
        from alipay.aop.api.response.AlipayCommerceEcTransAccountCreateResponse import (
            AlipayCommerceEcTransAccountCreateResponse,
        )

        model = AlipayCommerceEcTransAccountCreateModel()
        model.enterprise_id = data.enterprise_id
        model.account_type = data.account_type or "ALL"  # 收支全能户
        model.scene = data.scene or "B2B_TRANS"  # ToB转账场景

        request = AlipayCommerceEcTransAccountCreateRequest()
        request.biz_model = model

        client = AlipayClient.get_client()
        response = client.execute(request)

        if not response:
            raise CustomException(msg="开通资金专户失败: 无响应")

        result = AlipayCommerceEcTransAccountCreateResponse()
        result.parse_response_content(response)

        if not result.is_success():
            log.error(f"支付宝接口调用失败: {result.code} - {result.msg}")
            raise CustomException(msg=f"开通资金专户失败: {result.msg}")

        account_data = AccountCreateSchema(
            enterprise_id=model.enterprise_id,
            account_book_id=result.account_book_id,
            account_type=model.account_type,
            scene=model.scene,
        )

        if result.account_book_id:
            account_data.account_book_id = result.account_book_id

        await AccountCRUD(auth).create(account_data)

        return AccountOperationOutSchema(
            enterprise_id=account_data.enterprise_id,
            account_book_id=account_data.account_book_id,
        )

    @classmethod
    async def deposit_service(
        cls,
        auth: AuthSchema,
        data: AccountDepositSchema
    ) -> AccountDepositOutSchema:
        """
        资金专户充值（✅）

        调用: alipay.commerce.ec.trans.account.deposit
        """
        from alipay.aop.api.request.AlipayCommerceEcTransAccountDepositRequest import (
            AlipayCommerceEcTransAccountDepositRequest,
        )
        from alipay.aop.api.domain.AlipayCommerceEcTransAccountDepositModel import (
            AlipayCommerceEcTransAccountDepositModel,
        )
        from alipay.aop.api.response.AlipayCommerceEcTransAccountDepositResponse import (
            AlipayCommerceEcTransAccountDepositResponse,
        )

        model = AlipayCommerceEcTransAccountDepositModel()
        model.enterprise_id = data.enterprise_id
        model.account_book_id = data.account_book_id
        model.amount = str(data.amount)
        model.out_biz_no = get_snowflake_id_str(auth.tenant_id)

        request = AlipayCommerceEcTransAccountDepositRequest()
        request.biz_model = model

        client = AlipayClient.get_client()
        response = client.execute(request)

        if not response:
            raise CustomException(msg="充值失败: 无响应")

        result = AlipayCommerceEcTransAccountDepositResponse()
        result.parse_response_content(response)

        if not result.is_success():
            log.error(f"支付宝接口调用失败: {result.code} - {result.msg}")
            raise CustomException(msg=f"充值失败: {result.msg}")

        deposit_crud = DepositCRUD(auth)
        deposit_data = {
            "enterprise_id": data.enterprise_id,
            "out_biz_no": model.out_biz_no,
            "account_book_id": data.account_book_id,
            "amount": data.amount,
            "url": result.url,
            "status": DepositStatusEnum.DEALING.value,
            "remark": data.remark,
        }
        await deposit_crud.create(deposit_data)

        return AccountDepositOutSchema(
            url=result.url,
        )

    @classmethod
    async def transfer_service(
        cls,
        auth: AuthSchema,
        data: AccountTransferSchema
    ) -> AccountTransferOutSchema:
        """
        资金专户转账（✅）

        调用: alipay.commerce.ec.trans.account.transfer
        """
        from alipay.aop.api.request.AlipayCommerceEcTransAccountTransferRequest import (
            AlipayCommerceEcTransAccountTransferRequest,
        )
        from alipay.aop.api.domain.AlipayCommerceEcTransAccountTransferModel import (
            AlipayCommerceEcTransAccountTransferModel,
        )
        from alipay.aop.api.response.AlipayCommerceEcTransAccountTransferResponse import (
            AlipayCommerceEcTransAccountTransferResponse,
        )
        from alipay.aop.api.domain.TransParticipant import (
            TransParticipant,
        )
        from alipay.aop.api.domain.BankCardExtInfoDTO import (
            BankCardExtInfoDTO,
        )
        
        # 检查资金专户是否存在
        account = await AccountCRUD(auth).get_by_account_book_id(data.account_book_id)
        if not account:
            raise CustomException(msg="资金账户不存在")
        if account.tenant_id != auth.tenant_id:
            raise CustomException(msg="无权限操作")
        if data.enterprise_id and account.enterprise_id != data.enterprise_id:
            raise CustomException(msg="参数错误")
        
        if not data.order_title and account.enterprise_id:
            enterprise = await EnterpriseCRUD(auth).get_by_enterprise_id(account.enterprise_id)
            if not enterprise:
                raise CustomException(msg="资金账户所属企业不存在")
            data.order_title = f"来自{enterprise.name}转账"

        model = AlipayCommerceEcTransAccountTransferModel()
        model.enterprise_id = account.enterprise_id
        model.account_book_id = account.account_book_id
        model.out_biz_no = get_snowflake_id_str(auth.tenant_id)
        # 转账总金额，单位为元，精确到小数点后两位
        model.amount = str(data.amount)
        model.order_title = data.order_title

        payee_info = TransParticipant()
        payee_info.identity_type = data.payee_info.identity_type
        payee_info.name = data.payee_info.name
        payee_info.identity = data.payee_info.identity
        if data.payee_info.bankcard_ext_info:
            payee_info.bankcard_ext_info = BankCardExtInfoDTO.from_alipay_dict(
                    data.payee_info.bankcard_ext_info.model_dump(exclude_none=True)
            )

        model.payee_info = payee_info

        request = AlipayCommerceEcTransAccountTransferRequest()
        request.biz_model = model

        client = AlipayClient.get_client()
        response = client.execute(request)

        if not response:
            raise CustomException(msg="转账失败: 无响应")

        result = AlipayCommerceEcTransAccountTransferResponse()
        result.parse_response_content(response)

        if not result.is_success():
            log.error(f"支付宝接口调用失败: {result.code} - {result.msg}")
            raise CustomException(msg=f"转账失败: {result.sub_msg or result.msg or result.code}")

        transfer_crud = TransferCRUD(auth)
        transfer_data = {
            "enterprise_id": model.enterprise_id,
            "out_biz_no": model.out_biz_no,
            "account_book_id": model.account_book_id,
            "amount": model.amount,
            "order_title": model.order_title,
            "payee_info": data.payee_info.model_dump() if data.payee_info else None,
            "status": result.status,
            "order_no": result.order_no,
            "fund_order_id": result.fund_order_id,
        }

        await transfer_crud.create(transfer_data)

        return AccountTransferOutSchema(
            status=result.status,
            order_no=result.order_no,
            fund_order_id=result.fund_order_id,
        )

    @classmethod
    async def tenant_transfer_service(
        cls,
        auth: AuthSchema,
        tenant_id: int,
        data: TenantTransferCreate,
        request_ip: str,
        api_key_id: int | None = None,
    ) -> TenantTransferResponse:
        """
        租户API转账（通过API Key认证）

        调用: alipay.commerce.ec.trans.account.transfer
        """
        from alipay.aop.api.request.AlipayCommerceEcTransAccountTransferRequest import (
            AlipayCommerceEcTransAccountTransferRequest,
        )
        from alipay.aop.api.domain.AlipayCommerceEcTransAccountTransferModel import (
            AlipayCommerceEcTransAccountTransferModel,
        )
        from alipay.aop.api.response.AlipayCommerceEcTransAccountTransferResponse import (
            AlipayCommerceEcTransAccountTransferResponse,
        )
        from alipay.aop.api.domain.TransParticipant import (
            TransParticipant,
        )
        from alipay.aop.api.domain.BankCardExtInfoDTO import (
            BankCardExtInfoDTO,
        )
        
        # 检查资金专户是否存在
        account = await AccountCRUD(auth).get_by_account_book_id(data.account_book_id)
        if not account:
            raise CustomException(msg="资金账户不存在")
        if account.tenant_id != tenant_id:
            raise CustomException(msg="无权限操作")
        if data.enterprise_id and account.enterprise_id != data.enterprise_id:
            raise CustomException(msg="参数错误")
        
        if not data.order_title and account.enterprise_id:
            enterprise = await EnterpriseCRUD(auth).get_by_enterprise_id(account.enterprise_id)
            if not enterprise:
                raise CustomException(msg="资金账户所属企业不存在")
            data.order_title = f"来自{enterprise.name}转账"

        model = AlipayCommerceEcTransAccountTransferModel()
        model.enterprise_id = account.enterprise_id
        model.account_book_id = account.account_book_id
        model.out_biz_no = get_snowflake_id_str(tenant_id)
        # 转账总金额，单位为元，精确到小数点后两位
        model.amount = str(data.amount)
        model.order_title = data.order_title

        payee_info = TransParticipant()
        payee_info.identity_type = data.payee_info.identity_type
        payee_info.name = data.payee_info.name
        payee_info.identity = data.payee_info.identity
        if data.payee_info.bankcard_ext_info:
            payee_info.bankcard_ext_info = BankCardExtInfoDTO.from_alipay_dict(
                    data.payee_info.bankcard_ext_info.model_dump(exclude_none=True)
            )

        model.payee_info = payee_info

        request = AlipayCommerceEcTransAccountTransferRequest()
        request.biz_model = model

        client = AlipayClient.get_client()
        response = client.execute(request)

        if not response:
            raise CustomException(msg="转账失败: 无响应")

        result = AlipayCommerceEcTransAccountTransferResponse()
        result.parse_response_content(response)

        if not result.is_success():
            log.error(f"支付宝接口调用失败: {result.code} - {result.msg}")
            raise CustomException(msg=f"转账失败: {result.sub_msg or result.msg or result.code}")

        transfer_crud = TransferCRUD(auth)
        transfer_data = {
            "enterprise_id": model.enterprise_id,
            "out_biz_no": model.out_biz_no,
            "account_book_id": model.account_book_id,
            "amount": model.amount,
            "order_title": model.order_title,
            "payee_info": data.payee_info.model_dump() if data.payee_info else None,
            "status": result.status,
            "order_no": result.order_no,
            "fund_order_id": result.fund_order_id,
        }

        await transfer_crud.create(transfer_data)

        return TenantTransferResponse(
            status=result.status,
            order_no=result.order_no,
            fund_order_id=result.fund_order_id,
        )

    # @classmethod
    # async def withdraw_service(
    #     cls,
    #     auth: AuthSchema,
    #     data: AccountWithdrawSchema
    # ) -> AccountOperationOutSchema:
    #     """
    #     资金专户提现

    #     调用: alipay.commerce.ec.trans.account.withdraw
    #     """
    #     from alipay.aop.api.request.AlipayCommerceEcTransAccountWithdrawRequest import (
    #         AlipayCommerceEcTransAccountWithdrawRequest,
    #     )
    #     from alipay.aop.api.domain.AlipayCommerceEcTransAccountWithdrawModel import (
    #         AlipayCommerceEcTransAccountWithdrawModel,
    #     )
    #     from alipay.aop.api.response.AlipayCommerceEcTransAccountWithdrawResponse import (
    #         AlipayCommerceEcTransAccountWithdrawResponse,
    #     )

    #     crud = AccountCRUD(auth)
    #     enterprise = await crud.get_by_enterprise_id(data.enterprise_id)

    #     if not enterprise:
    #         raise CustomException(msg="企业不存在")

    #     model = AlipayCommerceEcTransAccountWithdrawModel()
    #     model.enterprise_id = enterprise.alipay_enterprise_id
    #     model.account_book_id = data.account_book_id
    #     model.amount = str(data.amount)
    #     model.out_biz_no = data.out_biz_no

    #     request = AlipayCommerceEcTransAccountWithdrawRequest()
    #     request.biz_model = model

    #     client = AlipayClient.get_client()
    #     response = client.execute(request)

    #     if not response:
    #         raise CustomException(msg="提现失败: 无响应")

    #     result = AlipayCommerceEcTransAccountWithdrawResponse()
    #     result.parse_response_content(response)

    #     if not result.is_success():
    #         log.error(f"支付宝接口调用失败: {result.code} - {result.msg}")
    #         raise CustomException(msg=f"提现失败: {result.msg}")

    #     withdraw_crud = WithdrawCRUD(auth)
    #     withdraw_data = {
    #         "enterprise_id": data.enterprise_id,
    #         "out_biz_no": data.out_biz_no,
    #         "account_book_id": data.account_book_id,
    #         "amount": data.amount,
    #         "status": WithdrawStatusEnum.DEALING.value,
    #         "order_no": result.order_no,
    #     }
    #     await withdraw_crud.create(withdraw_data)

    #     return AccountOperationOutSchema(
    #         enterprise_id=data.enterprise_id,
    #         account_book_id=data.account_book_id,
    #         out_biz_no=data.out_biz_no,
    #         status=WithdrawStatusEnum.DEALING.value,
    #     )

    @classmethod
    async def query_account_service(
        cls,
        auth: AuthSchema,
        data: AccountQuerySchema
    ) -> list[Any]:
        """
        查询资金专户（调用支付宝接口）

        调用: alipay.commerce.ec.trans.account.query
        """
        from alipay.aop.api.request.AlipayCommerceEcTransAccountQueryRequest import (
            AlipayCommerceEcTransAccountQueryRequest,
        )
        from alipay.aop.api.domain.AlipayCommerceEcTransAccountQueryModel import (
            AlipayCommerceEcTransAccountQueryModel,
        )
        from alipay.aop.api.response.AlipayCommerceEcTransAccountQueryResponse import (
            AlipayCommerceEcTransAccountQueryResponse,
        )
        from alipay.aop.api.domain.FundAccountApiDTO import (
            FundAccountApiDTO,
        )

        model = AlipayCommerceEcTransAccountQueryModel()
        model.enterprise_id = data.enterprise_id

        request = AlipayCommerceEcTransAccountQueryRequest()
        request.biz_model = model

        client = AlipayClient.get_client()
        response = client.execute(request)

        if not response:
            raise CustomException(msg="查询资金专户失败: 无响应")

        result = AlipayCommerceEcTransAccountQueryResponse()
        result.parse_response_content(response)

        if not result.is_success():
            log.error(f"支付宝接口调用失败: {result.code} - {result.msg}")
            raise CustomException(msg=f"查询资金专户失败: {result.msg}")

        collect = []
        for v in list(result.account_list or []):
            account = FundAccountApiDTO.to_alipay_dict(v)
            collect.append(account)
        
        return collect

    @classmethod
    async def transfer_detail_service(
        cls,
        auth: AuthSchema,
        out_biz_no: str
    ) -> TransferOutSchema:
        """
        查询转账记录详情
        """
        crud = TransferCRUD(auth)
        transfer = await crud.get_by_out_biz_no(out_biz_no)

        if not transfer:
            raise CustomException(msg="转账记录不存在")

        return TransferOutSchema.model_validate(transfer)

    @classmethod
    async def transfer_list_service(
        cls,
        auth: AuthSchema,
        page_no: int = 1,
        page_size: int = 20,
        search: dict | None = None,
    ) -> dict:
        """
        查询转账记录列表
        """
        log.info(f"查询转账记录列表: {page_no}, {page_size}, {search}")
        crud = TransferCRUD(auth)
        offset = (page_no - 1) * page_size
        return await crud.page(
            offset=offset,
            limit=page_size,
            order_by=[{"id": "desc"}],
            search=search or {},
            out_schema=TransferListOutSchema,
        )

    @classmethod
    async def update_transfer_status_service(
        cls,
        auth: AuthSchema,
        order_no: str,
        status: str,
        ext_info: dict = {}
    ) -> None:
        """
        更新转账状态（由通知处理器调用）
        """
        crud = TransferCRUD(auth)
        transfer = await crud.get_by_order_no(order_no)

        if not transfer:
            log.warning(f"转账记录不存在: {order_no}")
            return

        update_data = {}
        update_data["status"] = status
        if ext_info:
            update_data["ext_info"] = ext_info

        await crud.update_by_order_no(order_no, update_data)

    @classmethod
    async def update_deposit_status_service(
        cls,
        auth: AuthSchema,
        out_biz_no: str,
        status: str,
    ) -> None:
        """
        更新充值状态（由通知处理器调用）
        """
        crud = DepositCRUD(auth)
        deposit = await crud.get_by_out_biz_no(out_biz_no)

        if not deposit:
            log.warning(f"充值记录不存在: {out_biz_no}")
            return

        update_data = {"status": status}
        await crud.update_by_out_biz_no(out_biz_no, update_data)



    @classmethod
    async def update_withdraw_status_service(
        cls,
        auth: AuthSchema,
        out_biz_no: str,
        status: str,
        error_code: str | None = None,
        error_msg: str | None = None,
    ) -> None:
        """
        更新提现状态（由通知处理器调用）
        """
        crud = WithdrawCRUD(auth)
        withdraw = await crud.get_by_out_biz_no(out_biz_no)

        if not withdraw:
            log.warning(f"提现记录不存在: {out_biz_no}")
            return

        update_data = {"status": status}
        if error_code:
            update_data["error_code"] = error_code
        if error_msg:
            update_data["error_msg"] = error_msg

        await crud.update_by_out_biz_no(out_biz_no, update_data)

    @classmethod
    async def consume_detail_query_service(
        cls,
        auth: AuthSchema,
        pay_no: str,
        enterprise_id: str | None = None,
        ant_shop_id: str | None = None,
        query_options: list[str] | None = None,
    ) -> dict:
        """
        账单详情查询（✅）

        调用: alipay.commerce.ec.consume.detail.query

        用于查询企业码账单详情，支持查询关联退款、订单、票据等信息。
        """
        from alipay.aop.api.request.AlipayCommerceEcConsumeDetailQueryRequest import (
            AlipayCommerceEcConsumeDetailQueryRequest,
        )
        from alipay.aop.api.domain.AlipayCommerceEcConsumeDetailQueryModel import (
            AlipayCommerceEcConsumeDetailQueryModel,
        )
        from alipay.aop.api.response.AlipayCommerceEcConsumeDetailQueryResponse import (
            AlipayCommerceEcConsumeDetailQueryResponse,
        )

        model = AlipayCommerceEcConsumeDetailQueryModel()
        model.pay_no = pay_no

        if enterprise_id:
            model.enterprise_id = enterprise_id
        if ant_shop_id:
            model.ant_shop_id = ant_shop_id
        if query_options:
            model.query_options = query_options

        request = AlipayCommerceEcConsumeDetailQueryRequest()
        request.biz_model = model

        client = AlipayClient.get_client()
        response = client.execute(request)

        if not response:
            raise CustomException(msg="账单详情查询失败: 无响应")

        result = AlipayCommerceEcConsumeDetailQueryResponse()
        result.parse_response_content(response)

        if not result.is_success():
            log.error(f"支付宝接口调用失败: {result.code} - {result.msg}")
            raise CustomException(msg=f"账单详情查询失败: {result.msg}")

        consume_info = result.consume_info
        if not consume_info:
            raise CustomException(msg="账单详情查询失败: 无账单信息")

        return {
            "account_id": consume_info.account_id,
            "pay_no": consume_info.pay_no,
            "consume_type": consume_info.consume_type,
            "gmt_biz_create": consume_info.gmt_biz_create,
            "consume_biz_type": consume_info.consume_biz_type,
            "consume_amount": consume_info.consume_amount,
            "order_complete_label": consume_info.order_complete_label,
            "refund_status": consume_info.refund_status,
            "refund_amount": consume_info.refund_amount,
            "peer_payer_card_name": consume_info.peer_payer_card_name,
            "user_id": getattr(consume_info, 'user_id', None),
            "open_id": getattr(consume_info, 'open_id', None),
            "enterprise_id": consume_info.enterprise_id,
            "employee_id": consume_info.employee_id,
            "enterprise_name": getattr(consume_info, 'enterprise_name', None),
            "employee_name": getattr(consume_info, 'employee_name', None),
            "consume_scene_code": getattr(consume_info, 'consume_scene_code', None),
            "consume_type_sub_category": getattr(consume_info, 'consume_type_sub_category', None),
            "consume_title": getattr(consume_info, 'consume_title', None),
            "gmt_pay": getattr(consume_info, 'gmt_pay', None),
            "gmt_refund": getattr(consume_info, 'gmt_refund', None),
            "pay_amount": getattr(consume_info, 'pay_amount', None),
            "invoice_amount": getattr(consume_info, 'invoice_amount', None),
            "peer_pay_amount": getattr(consume_info, 'peer_pay_amount', None),
            "subsidy_amount": getattr(consume_info, 'subsidy_amount', None),
            "ext_infos": getattr(consume_info, 'ext_infos', None),
        }