package models

import "time"

// DNSZone is one Unbound zone:
//   - zone_type='local': authoritative, records aus dns_records
//   - zone_type='forward': stub-zone, forward_to ist Komma-Liste
//     von upstream-IPs (z.B. "10.0.0.53, 8.8.8.8")
type DNSZone struct {
	ID          int64     `gorm:"primaryKey"               json:"id"`
	Name        string    `gorm:"column:name;uniqueIndex"  json:"name"`
	ZoneType    string    `gorm:"column:zone_type"         json:"zone_type"`
	Description *string   `gorm:"column:description"       json:"description,omitempty"`
	ManagedBy   string    `gorm:"column:managed_by"        json:"managed_by"`
	ForwardTo   *string   `gorm:"column:forward_to"        json:"forward_to,omitempty"`
	Active      bool      `gorm:"column:active"            json:"active"`
	CreatedAt   time.Time `gorm:"column:created_at"        json:"created_at"`
	UpdatedAt   time.Time `gorm:"column:updated_at"        json:"updated_at"`
}

func (DNSZone) TableName() string { return "dns_zones" }

// DNSRecord — A/AAAA/CNAME/TXT/MX/SRV/NS/PTR/CAA. Value ist die
// RDATA in Textform (für MX: "10 mail.example.com").
type DNSRecord struct {
	ID         int64     `gorm:"primaryKey"          json:"id"`
	ZoneID     int64     `gorm:"column:zone_id"      json:"zone_id"`
	Name       string    `gorm:"column:name"         json:"name"`
	RecordType string    `gorm:"column:record_type"  json:"record_type"`
	Value      string    `gorm:"column:value"        json:"value"`
	TTL        int       `gorm:"column:ttl"          json:"ttl"`
	Active     bool      `gorm:"column:active"       json:"active"`
	CreatedAt  time.Time `gorm:"column:created_at"   json:"created_at"`
	UpdatedAt  time.Time `gorm:"column:updated_at"   json:"updated_at"`
}

func (DNSRecord) TableName() string { return "dns_records" }

// DNSSettings ist eine Single-Row-Tabelle mit globalen Resolver-
// Optionen. Default kommt aus der Migration (alle Werte sinnvoll
// für die typische LAN-Resolver-Rolle).
type DNSSettings struct {
	ID                int64     `gorm:"primaryKey"                  json:"id"`
	ListenAddresses   string    `gorm:"column:listen_addresses"     json:"listen_addresses"`
	ListenPort        int       `gorm:"column:listen_port"          json:"listen_port"`
	UpstreamForwards  string    `gorm:"column:upstream_forwards"    json:"upstream_forwards"`
	AccessACL         string    `gorm:"column:access_acl"           json:"access_acl"`
	DNSSEC            bool      `gorm:"column:dnssec"               json:"dnssec"`
	QNameMinimisation bool      `gorm:"column:qname_minimisation"   json:"qname_minimisation"`
	CacheMinTTL       int       `gorm:"column:cache_min_ttl"        json:"cache_min_ttl"`
	CacheMaxTTL       int       `gorm:"column:cache_max_ttl"        json:"cache_max_ttl"`
	UpdatedAt         time.Time `gorm:"column:updated_at"           json:"updated_at"`
}

func (DNSSettings) TableName() string { return "dns_settings" }