package handler

import (
	"net/http"
	"strings"

	"github.com/gin-gonic/gin"

	"billai-server/repository"
)

type DeleteBillResponse struct {
	Result  bool   `json:"result"`
	Message string `json:"message,omitempty"`
}

// DeleteBill DELETE /api/bills/:id 删除清洗后的账单记录
func DeleteBill(c *gin.Context) {
	id := strings.TrimSpace(c.Param("id"))
	if id == "" {
		c.JSON(http.StatusBadRequest, DeleteBillResponse{Result: false, Message: "缺少账单 ID"})
		return
	}

	repo := repository.GetRepository()
	if repo == nil {
		c.JSON(http.StatusInternalServerError, DeleteBillResponse{Result: false, Message: "数据库未连接"})
		return
	}

	err := repo.DeleteCleanedBillByID(id)
	if err != nil {
		if err == repository.ErrNotFound {
			c.JSON(http.StatusNotFound, DeleteBillResponse{Result: false, Message: "账单不存在"})
			return
		}
		c.JSON(http.StatusInternalServerError, DeleteBillResponse{Result: false, Message: "删除失败: " + err.Error()})
		return
	}

	c.JSON(http.StatusOK, DeleteBillResponse{Result: true, Message: "删除成功"})
}