package payment

import (
	"strconv"
	"strings"

	"hyapp-admin-server/internal/appctx"
	"hyapp-admin-server/internal/integration/walletclient"
	"hyapp-admin-server/internal/middleware"
	"hyapp-admin-server/internal/modules/shared"
	"hyapp-admin-server/internal/response"
	walletv1 "hyapp.local/api/proto/wallet/v1"

	"github.com/gin-gonic/gin"
)

type Handler struct {
	wallet walletclient.Client
}

func New(wallet walletclient.Client) *Handler {
	return &Handler{wallet: wallet}
}

func (h *Handler) ListRechargeBills(c *gin.Context) {
	options := shared.ListOptions(c)
	resp, err := h.wallet.ListRechargeBills(c.Request.Context(), &walletv1.ListRechargeBillsRequest{
		RequestId:    middleware.CurrentRequestID(c),
		AppCode:      appctx.FromContext(c.Request.Context()),
		UserId:       queryInt64(c, "user_id", "userId"),
		SellerUserId: queryInt64(c, "seller_user_id", "sellerUserId"),
		RegionId:     queryInt64(c, "region_id", "regionId"),
		RechargeType: strings.TrimSpace(firstQuery(c, "recharge_type", "rechargeType")),
		Status:       options.Status,
		Keyword:      options.Keyword,
		StartAtMs:    queryInt64(c, "start_at_ms", "startAtMs"),
		EndAtMs:      queryInt64(c, "end_at_ms", "endAtMs"),
		Page:         int32(options.Page),
		PageSize:     int32(options.PageSize),
	})
	if err != nil {
		response.ServerError(c, "获取账单列表失败")
		return
	}

	items := make([]rechargeBillDTO, 0, len(resp.GetBills()))
	for _, item := range resp.GetBills() {
		items = append(items, rechargeBillFromProto(item))
	}
	response.OK(c, response.Page{Items: items, Page: options.Page, PageSize: options.PageSize, Total: resp.GetTotal()})
}

func queryInt64(c *gin.Context, keys ...string) int64 {
	value := strings.TrimSpace(firstQuery(c, keys...))
	if value == "" {
		return 0
	}
	parsed, err := strconv.ParseInt(value, 10, 64)
	if err != nil || parsed < 0 {
		return 0
	}
	return parsed
}

func firstQuery(c *gin.Context, keys ...string) string {
	for _, key := range keys {
		if value := c.Query(key); value != "" {
			return value
		}
	}
	return ""
}