package group

import (
	"context"

	"github.com/perfect-panel/server/internal/model/group"
	"github.com/perfect-panel/server/internal/model/node"
	"github.com/perfect-panel/server/internal/model/subscribe"
	"github.com/perfect-panel/server/internal/model/system"
	"github.com/perfect-panel/server/internal/svc"
	"github.com/perfect-panel/server/pkg/logger"
)

type ResetGroupsLogic struct {
	logger.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

// NewResetGroupsLogic Reset all groups (delete all node groups and reset related data)
func NewResetGroupsLogic(ctx context.Context, svcCtx *svc.ServiceContext) *ResetGroupsLogic {
	return &ResetGroupsLogic{
		Logger: logger.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *ResetGroupsLogic) ResetGroups() error {
	// 1. Delete all node groups
	err := l.svcCtx.DB.Where("1 = 1").Delete(&group.NodeGroup{}).Error
	if err != nil {
		l.Errorw("Failed to delete all node groups", logger.Field("error", err.Error()))
		return err
	}
	l.Infow("Successfully deleted all node groups")

	// 2. Clear node_group_ids for all subscribes (products)
	err = l.svcCtx.DB.Model(&subscribe.Subscribe{}).Where("1 = 1").Update("node_group_ids", "[]").Error
	if err != nil {
		l.Errorw("Failed to clear subscribes' node_group_ids", logger.Field("error", err.Error()))
		return err
	}
	l.Infow("Successfully cleared all subscribes' node_group_ids")

	// 3. Clear node_group_ids for all nodes
	err = l.svcCtx.DB.Model(&node.Node{}).Where("1 = 1").Update("node_group_ids", "[]").Error
	if err != nil {
		l.Errorw("Failed to clear nodes' node_group_ids", logger.Field("error", err.Error()))
		return err
	}
	l.Infow("Successfully cleared all nodes' node_group_ids")

	// 4. Clear group history
	err = l.svcCtx.DB.Where("1 = 1").Delete(&group.GroupHistory{}).Error
	if err != nil {
		l.Errorw("Failed to clear group history", logger.Field("error", err.Error()))
		// Non-critical error, continue anyway
	} else {
		l.Infow("Successfully cleared group history")
	}

	// 7. Clear group history details
	err = l.svcCtx.DB.Where("1 = 1").Delete(&group.GroupHistoryDetail{}).Error
	if err != nil {
		l.Errorw("Failed to clear group history details", logger.Field("error", err.Error()))
		// Non-critical error, continue anyway
	} else {
		l.Infow("Successfully cleared group history details")
	}

	// 5. Delete all group config settings
	err = l.svcCtx.DB.Where("`category` = ?", "group").Delete(&system.System{}).Error
	if err != nil {
		l.Errorw("Failed to delete group config", logger.Field("error", err.Error()))
		return err
	}
	l.Infow("Successfully deleted all group config settings")

	l.Infow("Group reset completed successfully")
	return nil
}