package synthetic

import (
	"errors"
	"net/http"

	"github.com/gin-gonic/gin"
	"github.com/gin-gonic/gin/binding"
	"github.com/go-admin-team/go-admin-core/sdk/api"
	jwt "github.com/go-admin-team/go-admin-core/sdk/pkg/jwtauth"
	"github.com/go-admin-team/go-admin-core/sdk/pkg/jwtauth/user"

	"go-admin/app/bell/event"
)

const maxRequestBytes = 64 * 1024

type Handler struct{ api.Api }

func IsAdministrator(c *gin.Context) bool {
	claims := jwt.ExtractClaims(c)
	role, _ := claims[jwt.RoleKey].(string)
	return role == "admin"
}

func (h Handler) Create(c *gin.Context) {
	if !IsAdministrator(c) {
		h.MakeContext(c).Error(http.StatusForbidden, errors.New("无权使用合成事件入口"), "无权使用合成事件入口")
		return
	}
	if err := restoreRequestBody(c); err != nil {
		h.MakeContext(c).Error(http.StatusBadRequest, errors.New("请求内容格式不正确"), "请求内容格式不正确")
		return
	}
	var request CreateRequest
	h.MakeContext(c).MakeOrm().Bind(&request, binding.JSON)
	if h.Errors != nil {
		h.Error(http.StatusBadRequest, errors.New("请求内容格式不正确"), "请求内容格式不正确")
		return
	}
	result, err := event.NewService(h.Orm).Ingest(c.Request.Context(), request.Command(), user.GetUserId(c))
	if err != nil {
		switch {
		case errors.Is(err, event.ErrInvalid):
			h.Error(http.StatusBadRequest, event.ErrInvalid, event.ErrInvalid.Error())
		case errors.Is(err, event.ErrConflict):
			h.Error(http.StatusConflict, event.ErrConflict, event.ErrConflict.Error())
		default:
			h.Logger.Errorf("synthetic event ingest failed: %v", err)
			h.Error(http.StatusInternalServerError, errors.New("合成事件写入失败"), "合成事件写入失败")
		}
		return
	}
	h.OK(result, "合成事件已接收")
	// The client already received the full response. Keep only a fixed marker
	// for GoAdmin's generic operation audit, which runs after the handler.
	c.Set("result", gin.H{"code": http.StatusOK, "data": "<redacted>"})
}