package admin

import (
	"strconv"

	"github.com/gofiber/fiber/v2"

	"github.com/break/junhong_cmp_fiber/internal/model/dto"
	assetWalletSvc "github.com/break/junhong_cmp_fiber/internal/service/asset_wallet"
	"github.com/break/junhong_cmp_fiber/pkg/constants"
	"github.com/break/junhong_cmp_fiber/pkg/errors"
	"github.com/break/junhong_cmp_fiber/pkg/middleware"
	"github.com/break/junhong_cmp_fiber/pkg/response"
)

// AssetWalletHandler 资产钱包处理器
// 提供管理端资产（卡/设备）钱包概况和流水查询接口
type AssetWalletHandler struct {
	service *assetWalletSvc.Service
}

// NewAssetWalletHandler 创建资产钱包处理器
func NewAssetWalletHandler(svc *assetWalletSvc.Service) *AssetWalletHandler {
	return &AssetWalletHandler{service: svc}
}

// GetWallet 查询资产钱包概况
// GET /api/admin/assets/:asset_type/:id/wallet
func (h *AssetWalletHandler) GetWallet(c *fiber.Ctx) error {
	userType := middleware.GetUserTypeFromContext(c.UserContext())
	if userType == constants.UserTypeEnterprise {
		return errors.New(errors.CodeForbidden, "企业账号无权查看钱包信息")
	}

	assetType := c.Params("asset_type")
	if assetType != "card" && assetType != "device" {
		return errors.New(errors.CodeInvalidParam, "无效的资产类型")
	}

	idStr := c.Params("id")
	id, err := strconv.ParseUint(idStr, 10, 64)
	if err != nil || id == 0 {
		return errors.New(errors.CodeInvalidParam, "无效的资产ID")
	}

	result, err := h.service.GetWallet(c.UserContext(), assetType, uint(id))
	if err != nil {
		return err
	}

	return response.Success(c, result)
}

// ListTransactions 查询资产钱包流水列表
// GET /api/admin/assets/:asset_type/:id/wallet/transactions
func (h *AssetWalletHandler) ListTransactions(c *fiber.Ctx) error {
	userType := middleware.GetUserTypeFromContext(c.UserContext())
	if userType == constants.UserTypeEnterprise {
		return errors.New(errors.CodeForbidden, "企业账号无权查看钱包信息")
	}

	assetType := c.Params("asset_type")
	if assetType != "card" && assetType != "device" {
		return errors.New(errors.CodeInvalidParam, "无效的资产类型")
	}

	idStr := c.Params("id")
	id, err := strconv.ParseUint(idStr, 10, 64)
	if err != nil || id == 0 {
		return errors.New(errors.CodeInvalidParam, "无效的资产ID")
	}

	var req dto.AssetWalletTransactionListRequest
	if err := c.QueryParser(&req); err != nil {
		return errors.New(errors.CodeInvalidParam)
	}

	if req.PageSize > 100 {
		return errors.New(errors.CodeInvalidParam, "每页数量不能超过100")
	}

	result, err := h.service.ListTransactions(c.UserContext(), assetType, uint(id), &req)
	if err != nil {
		return err
	}

	return response.Success(c, result)
}