package event

import (
	"errors"
	"nixcn-cms/internal/exception"
	"nixcn-cms/service/service_event"
	"nixcn-cms/tracer"
	"nixcn-cms/utils"

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

// Delete removes an event by event_id.
//
//	@Summary		Delete an Event
//	@Description	Permanently deletes an event. Requires Lv40+.
//	@Tags			Event
//	@Accept			json
//	@Produce		json
//	@Security		Bearer
//	@Param			request	body		service_event.EventDeleteData	true	"Event to delete"
//	@Success		200		{object}	utils.RespStatus{data=nil}		"Successfully deleted"
//	@Failure		400		{object}	utils.RespStatus{data=nil}		"Invalid Input"
//	@Failure		401		{object}	utils.RespStatus{data=nil}		"Unauthorized"
//	@Failure		404		{object}	utils.RespStatus{data=nil}		"Event Not Found"
//	@Failure		500		{object}	utils.RespStatus{data=nil}		"Internal Server Error"
//	@Router			/event/delete [delete]
func (self *EventHandler) Delete(c *gin.Context) {
	ctx, span := tracer.StartSpan(
		c.Request.Context(),
		"api_event",
		"delete",
	)
	defer span.End()

	ctx = exception.ContextWithEndpoint(ctx, exception.EndpointEventDelete)
	ctx = exception.ContextWithService(ctx, exception.ServiceEndpoint)

	_, ok := c.Get("user_id")
	if !ok {
		errorCode := exception.New(
			exception.WithStatus(exception.StatusUser),
			exception.WithType(exception.TypeCommon),
			exception.WithOriginal(exception.CommonErrorMissingUserId),
			exception.WithError(errors.New("Missing UserId")),
		).Throw(ctx).String()
		utils.HttpResponse(c, 403, errorCode)
		return
	}

	var deleteData service_event.EventDeleteData
	if err := c.ShouldBindJSON(&deleteData); err != nil {
		errorCode := exception.New(
			exception.WithStatus(exception.StatusUser),
			exception.WithType(exception.TypeCommon),
			exception.WithOriginal(exception.CommonErrorInvalidInput),
			exception.WithError(err),
		).Throw(ctx).String()
		utils.HttpResponse(c, 400, errorCode)
		return
	}

	result := self.svc.Delete(&service_event.EventDeletePayload{
		Context: ctx,
		Data:    &deleteData,
	})

	if result.Common.Exception.Original != exception.CommonSuccess {
		utils.HttpResponse(c, result.Common.HttpCode, result.Common.Exception.String())
		return
	}

	utils.HttpResponse(c, result.Common.HttpCode, result.Common.Exception.String())
}