package db

import "time"

// User represents a user in the system
type User struct {
	DID            string
	Handle         string
	PDSEndpoint    string
	Avatar         string
	DefaultHoldDID string
	OciClient      string
	RegistryDomain string
	LastSeen       time.Time
}

// Manifest represents an OCI manifest stored in the cache
type Manifest struct {
	Key           string // node-independent identity; see ManifestKey
	DID           string
	Repository    string
	Digest        string
	HoldEndpoint  string
	SchemaVersion int
	MediaType     string
	ConfigDigest  string
	ConfigSize    int64
	ArtifactType  string // container-image, helm-chart, unknown
	SubjectDigest string // digest of the parent manifest (for attestations/referrers)
	CreatedAt     time.Time
	// Annotations removed - now stored in repository_annotations table
}

// Layer represents a layer in a manifest
type Layer struct {
	ManifestKey string
	Digest      string
	Size        int64
	MediaType   string
	LayerIndex  int
	Annotations map[string]string // JSON-encoded layer annotations (e.g. in-toto predicate type)
}

// ManifestReference represents a reference to a manifest in a manifest list/index
type ManifestReference struct {
	ManifestKey          string
	Digest               string
	Size                 int64
	MediaType            string
	PlatformArchitecture string
	PlatformOS           string
	PlatformVariant      string
	PlatformOSVersion    string
	IsAttestation        bool // true if vnd.docker.reference.type = "attestation-manifest"
	ReferenceIndex       int
}

// Tag represents a tag pointing to a manifest
type Tag struct {
	DID        string
	Repository string
	Tag        string
	Digest     string
	CreatedAt  time.Time
}

// Repository represents an aggregated view of a user's repository
type Repository struct {
	Name             string
	TagCount         int
	ManifestCount    int
	LastPush         time.Time
	Tags             []Tag
	Manifests        []Manifest
	Title            string
	Description      string
	SourceURL        string
	DocumentationURL string
	Licenses         string
	IconURL          string
	ReadmeURL        string
	Version          string
}

// RepositoryStats represents statistics for a repository
type RepositoryStats struct {
	DID        string     `json:"did"`
	Repository string     `json:"repository"`
	StarCount  int        `json:"star_count"` // Calculated from stars table, not stored
	PullCount  int        `json:"pull_count"`
	LastPull   *time.Time `json:"last_pull,omitempty"`
	PushCount  int        `json:"push_count"`
	LastPush   *time.Time `json:"last_push,omitempty"`
}

// DailyStats represents daily pull/push statistics for a repository
type DailyStats struct {
	DID        string `json:"did"`
	Repository string `json:"repository"`
	Date       string `json:"date"`
	PullCount  int    `json:"pull_count"`
	PushCount  int    `json:"push_count"`
}

// RepositoryWithStats combines repository data with statistics
type RepositoryWithStats struct {
	Repository
	Stats RepositoryStats
}

// RepoCardData contains all data needed to render a repository card
type RepoCardData struct {
	OwnerHandle    string
	OwnerAvatarURL string // Owner's profile avatar URL (fallback when no repo icon)
	Repository     string
	Title          string
	Description    string
	IconURL        string
	StarCount      int
	PullCount      int
	IsStarred      bool      // Whether the current user has starred this repository
	ArtifactType   string    // container-image, helm-chart, unknown
	Tag            string    // Latest tag name (e.g., "latest", "v1.0.0")
	Digest         string    // Latest manifest digest (sha256:...)
	LastUpdated    time.Time // When the repository was last pushed to
	RegistryURL    string    // Registry URL for docker commands (e.g., "atcr.io" or "127.0.0.1:5000")
	OciClient      string    // Preferred OCI client for pull commands (e.g., "docker", "podman")
}

// SetRegistryURL sets the RegistryURL field on all cards in the slice
func SetRegistryURL(cards []RepoCardData, registryURL string) {
	for i := range cards {
		cards[i].RegistryURL = registryURL
	}
}

// SetOciClient sets the OciClient field on all cards in the slice
func SetOciClient(cards []RepoCardData, ociClient string) {
	for i := range cards {
		cards[i].OciClient = ociClient
	}
}

// PlatformInfo represents platform information (OS/Architecture)
type PlatformInfo struct {
	OS             string
	Architecture   string
	Variant        string
	OSVersion      string
	Digest         string // child platform manifest digest (for manifest lists)
	HoldEndpoint   string // hold endpoint for this platform manifest
	CompressedSize int64  // sum of layer sizes (compressed)
}

// TagWithPlatforms extends Tag with platform information
type TagWithPlatforms struct {
	Tag
	HoldEndpoint    string // hold endpoint from the tag's own manifest
	Platforms       []PlatformInfo
	IsMultiArch     bool
	HasAttestations bool   // true if manifest list contains attestation references
	ArtifactType    string // container-image, helm-chart, unknown
	CompressedSize  int64  // sum of layer sizes for single-arch tags
}

// ManifestWithMetadata extends Manifest with tags and platform information
type ManifestWithMetadata struct {
	Manifest
	Tags            []string
	Platforms       []PlatformInfo
	PlatformCount   int
	IsManifestList  bool
	HasAttestations bool // true if manifest list contains attestation references
	Reachable       bool // Whether the hold endpoint is reachable
	Pending         bool // Whether health check is still in progress
	// Note: ArtifactType is available via embedded Manifest struct
}

// ManifestEntry is a unified view model for the tags tab.
// Every entry is a manifest — labeled by tag name or digest.
type ManifestEntry struct {
	Label           string // tag name, or digest if untagged
	Digest          string // manifest digest
	IsTagged        bool
	CreatedAt       time.Time
	HoldEndpoint    string
	Platforms       []PlatformInfo
	IsMultiArch     bool
	HasAttestations bool
	ArtifactType    string
	CompressedSize  int64 // for single-arch
}

// AttestationDetail represents an attestation manifest and its layers
type AttestationDetail struct {
	Digest       string
	MediaType    string // attestation manifest media type
	Size         int64
	HoldEndpoint string // hold DID/URL where blobs are stored
	Layers       []Layer
}