package model

import "time"

// Settings are global to the single-admin installation.
type Settings struct {
	UpdateIntervalSeconds int
	UpdaterEnabled        bool
	IPv6Enabled           bool
	IPv4Endpoints         []string
	IPv6Endpoints         []string
	LastIPv4              string
	LastIPv6              string
	LastRunAt             time.Time
	LastRunStatus         string
	UpdatedAt             time.Time
}

// Credential is a reusable, encrypted Hetzner project token.
type Credential struct {
	ID          int64
	Label       string
	Ciphertext  []byte
	Nonce       []byte
	Fingerprint string
	CreatedAt   time.Time
}

// Zone is one Hetzner DNS zone selected by the administrator.
type Zone struct {
	ID           int64
	CredentialID int64
	ProviderID   string
	Name         string
	CreatedAt    time.Time
	LastSyncAt   time.Time
	LastError    string
}

// Target is the desired state for one host name and its dynamic address families.
type Target struct {
	ID            int64
	ZoneID        int64
	RecordName    string
	FQDN          string
	UpdateIPv4    bool
	UpdateIPv6    bool
	Active        bool
	StaticIPv4    string
	StaticIPv6    string
	Description   string
	TTL           int
	LastUpdatedAt time.Time
	LastStatus    string
	LastError     string
	CreatedAt     time.Time
	ArchivedAt    time.Time
}

// CNAMERecord is a static DNS alias managed directly in a zone. It is kept
// separate from Target because the DynDNS worker must never overwrite it.
type CNAMERecord struct {
	ID          int64
	ZoneID      int64
	Active      bool
	RecordName  string
	FQDN        string
	Destination string
	Description string
	TTL         int
	CreatedAt   time.Time
	UpdatedAt   time.Time
}

// PiHoleIntegration is one remotely managed Pi-hole v6 instance. API
// passwords are returned separately and never exposed to templates.
type PiHoleIntegration struct {
	ID          int64
	Name        string
	BaseURL     string
	InsecureTLS bool
	CreatedAt   time.Time
	UpdatedAt   time.Time
	LastSyncAt  time.Time
	LastError   string
}

type PiHoleCredential struct {
	Ciphertext []byte
	Nonce      []byte
}

// SoftwareUpdateSettings contains the locally persisted update state. The
// encrypted registry credential is returned only to trusted backend components and
// is never passed to templates.
type SoftwareUpdateSettings struct {
	RegistryUsername string
	TokenCiphertext  []byte
	TokenNonce       []byte
	LatestVersion    string
	ReleaseURL       string
	DesiredVersion   string
	LastCheckedAt    time.Time
	LastError        string
	UpdatedAt        time.Time
}

// PiHoleRecordLink tracks whether a local DNS entry is managed by this UI or
// merely retained at Pi-hole after being removed from the active WebUI list.
type PiHoleRecordLink struct {
	ID            int64
	IntegrationID int64
	Active        bool
	Value         string
	CreatedAt     time.Time
	UpdatedAt     time.Time
	ArchivedAt    time.Time
}

type User struct {
	ID          int64
	Username    string
	DisplayName string
	Role        string
	Active      bool
	CreatedAt   time.Time
	UpdatedAt   time.Time
	LastLoginAt time.Time
}

func (u User) IsAdmin() bool { return u.Role == "admin" }

type AccessGrant struct {
	ID               int64
	UserID           int64
	ZoneID           int64
	TargetID         *int64
	CanManageTargets bool
	CanCreateTargets bool
}

// Session deliberately contains only hashes/random CSRF material, never a password.
type Session struct {
	ID          int64
	UserID      int64
	Username    string
	DisplayName string
	Role        string
	TokenHash   string
	CSRFToken   string
	CreatedAt   time.Time
	ExpiresAt   time.Time
	ReauthUntil time.Time
}

type AuditEvent struct {
	ID        int64
	CreatedAt time.Time
	Kind      string
	Message   string
}

type UpdateRun struct {
	ID         int64
	StartedAt  time.Time
	FinishedAt time.Time
	Status     string
	IPv4       string
	IPv6       string
	Summary    string
}

type Dashboard struct {
	Settings         Settings
	Zones            []Zone
	ActiveTargets    int
	RecentRuns       []UpdateRun
	RecentEvents     []AuditEvent
	NextRunAt        time.Time
	SchedulerRunning bool
	ErrorCount       int
}