package handler

import (
	"github.com/gin-gonic/gin"
	"github.com/go-kratos/kratos/v3/errors"
	"kra/internal/service/business"
	"kra/internal/service/dto"
	"net/http"
	"strconv"
)

type AlertRule struct{ service *business.AlertRuleService }

func NewAlertRule(service *business.AlertRuleService) *AlertRule { return &AlertRule{service: service} }
func (h *AlertRule) List(c *gin.Context) {
	var req dto.AlertRuleQuery
	if err := c.ShouldBindQuery(&req); err != nil {
		Fail(c, "查询参数不正确")
		return
	}
	v, err := h.service.List(c.Request.Context(), &req)
	if err != nil {
		Fail(c, errors.FromError(err).Message)
		return
	}
	OKWithData(c, v)
}
func (h *AlertRule) Types(c *gin.Context) {
	v, err := h.service.Types(c.Request.Context())
	if err != nil {
		Fail(c, errors.FromError(err).Message)
		return
	}
	OKWithData(c, v)
}
func (h *AlertRule) Find(c *gin.Context) {
	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
	if err != nil {
		Fail(c, "规则 ID 不正确")
		return
	}
	v, err := h.service.Find(c.Request.Context(), id)
	if err != nil {
		Fail(c, errors.FromError(err).Message)
		return
	}
	OKWithData(c, v)
}
func (h *AlertRule) Save(c *gin.Context) {
	c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 16384)
	var req dto.AlertRuleRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		Fail(c, "预警规则参数不正确")
		return
	}
	var requestedID uint64
	if req.ID != "" {
		var err error
		requestedID, err = strconv.ParseUint(req.ID.String(), 10, 64)
		if err != nil {
			Fail(c, "规则 ID 不正确")
			return
		}
	}
	if (c.Request.Method == http.MethodPost && requestedID != 0) || (c.Request.Method == http.MethodPut && requestedID == 0) {
		Fail(c, "新建或编辑规则的 ID 不正确")
		return
	}
	id, err := h.service.Save(c.Request.Context(), &req)
	if err != nil {
		Fail(c, errors.FromError(err).Message)
		return
	}
	OKWithData(c, gin.H{"id": strconv.FormatUint(id, 10)})
}
func (h *AlertRule) Delete(c *gin.Context) {
	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
	if err != nil {
		Fail(c, "规则 ID 不正确")
		return
	}
	if err := h.service.Delete(c.Request.Context(), id); err != nil {
		Fail(c, errors.FromError(err).Message)
		return
	}
	OK(c)
}
func (h *AlertRule) Toggle(c *gin.Context) {
	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
	if err != nil {
		Fail(c, "规则 ID 不正确")
		return
	}
	enabled, err := strconv.Atoi(c.Query("enabled"))
	if err != nil {
		Fail(c, "启用状态参数不正确")
		return
	}
	if err := h.service.Toggle(c.Request.Context(), id, enabled); err != nil {
		Fail(c, errors.FromError(err).Message)
		return
	}
	OK(c)
}