package repository

import (
	"time"

	"gorm.io/gorm"
)

// softDeleteAgentIMChannels participates in the caller's agent deletion
// transaction. Runtime invalidation must happen only after that transaction
// commits. The IM package depends on repositories, so use its durable table
// contract here rather than importing its runtime service.
func softDeleteAgentIMChannels(tx *gorm.DB, agentID string, tenantID uint64) ([]string, error) {
	var ids []string
	query := tx.Table("im_channels").Where("agent_id = ? AND tenant_id = ? AND deleted_at IS NULL", agentID, tenantID)
	if err := query.Pluck("id", &ids).Error; err != nil {
		return nil, err
	}
	if len(ids) == 0 {
		return ids, nil
	}
	now := time.Now()
	if err := tx.Table("im_channels").Where("id IN ? AND tenant_id = ?", ids, tenantID).
		Updates(map[string]any{"enabled": false, "deleted_at": now, "updated_at": now}).Error; err != nil {
		return nil, err
	}
	return ids, nil
}