package entities

import (
	"net/url"
	"time"

	"github.com/containers/image/v5/manifest"
	"github.com/containers/image/v5/types"
	"github.com/containers/libpod/pkg/inspect"
	"github.com/containers/libpod/pkg/trust"
	docker "github.com/docker/docker/api/types"
	"github.com/docker/docker/api/types/container"
	"github.com/opencontainers/go-digest"
	v1 "github.com/opencontainers/image-spec/specs-go/v1"
)

type Image struct {
	ID              string                 `json:"Id"`
	RepoTags        []string               `json:",omitempty"`
	RepoDigests     []string               `json:",omitempty"`
	Parent          string                 `json:",omitempty"`
	Comment         string                 `json:",omitempty"`
	Created         string                 `json:",omitempty"`
	Container       string                 `json:",omitempty"`
	ContainerConfig *container.Config      `json:",omitempty"`
	DockerVersion   string                 `json:",omitempty"`
	Author          string                 `json:",omitempty"`
	Config          *container.Config      `json:",omitempty"`
	Architecture    string                 `json:",omitempty"`
	Variant         string                 `json:",omitempty"`
	Os              string                 `json:",omitempty"`
	OsVersion       string                 `json:",omitempty"`
	Size            int64                  `json:",omitempty"`
	VirtualSize     int64                  `json:",omitempty"`
	GraphDriver     docker.GraphDriverData `json:",omitempty"`
	RootFS          docker.RootFS          `json:",omitempty"`
	Metadata        docker.ImageMetadata   `json:",omitempty"`

	// Podman extensions
	Digest        digest.Digest                 `json:",omitempty"`
	PodmanVersion string                        `json:",omitempty"`
	ManifestType  string                        `json:",omitempty"`
	User          string                        `json:",omitempty"`
	History       []v1.History                  `json:",omitempty"`
	NamesHistory  []string                      `json:",omitempty"`
	HealthCheck   *manifest.Schema2HealthConfig `json:",omitempty"`
}

func (i *Image) Id() string {
	return i.ID
}

type ImageSummary struct {
	ID          string
	ParentId    string            `json:",omitempty"`
	RepoTags    []string          `json:",omitempty"`
	Created     time.Time         `json:",omitempty"`
	Size        int64             `json:",omitempty"`
	SharedSize  int               `json:",omitempty"`
	VirtualSize int64             `json:",omitempty"`
	Labels      map[string]string `json:",omitempty"`
	Containers  int               `json:",omitempty"`
	ReadOnly    bool              `json:",omitempty"`
	Dangling    bool              `json:",omitempty"`

	// Podman extensions
	Names        []string `json:",omitempty"`
	Digest       string   `json:",omitempty"`
	Digests      []string `json:",omitempty"`
	ConfigDigest string   `json:",omitempty"`
	History      []string `json:",omitempty"`
}

func (i *ImageSummary) Id() string {
	return i.ID
}

func (i *ImageSummary) IsReadOnly() bool {
	return i.ReadOnly
}

func (i *ImageSummary) IsDangling() bool {
	return i.Dangling
}

// ImageRemoveOptions can be used to alter image removal.
type ImageRemoveOptions struct {
	// All will remove all images.
	All bool
	// Foce will force image removal including containers using the images.
	Force bool
}

// ImageRemoveResponse is the response for removing one or more image(s) from storage
// and containers what was untagged vs actually removed.
type ImageRemoveReport struct {
	// Deleted images.
	Deleted []string `json:",omitempty"`
	// Untagged images. Can be longer than Deleted.
	Untagged []string `json:",omitempty"`
	// ExitCode describes the exit codes as described in the `podman rmi`
	// man page.
	ExitCode int
}

type ImageHistoryOptions struct{}

type ImageHistoryLayer struct {
	ID        string    `json:"id"`
	Created   time.Time `json:"created,omitempty"`
	CreatedBy string    `json:",omitempty"`
	Tags      []string  `json:"tags,omitempty"`
	Size      int64     `json:"size"`
	Comment   string    `json:"comment,omitempty"`
}

type ImageHistoryReport struct {
	Layers []ImageHistoryLayer
}

// ImagePullOptions are the arguments for pulling images.
type ImagePullOptions struct {
	// AllTags can be specified to pull all tags of the spiecifed image. Note
	// that this only works if the specified image does not include a tag.
	AllTags bool
	// Authfile is the path to the authentication file. Ignored for remote
	// calls.
	Authfile string
	// CertDir is the path to certificate directories.  Ignored for remote
	// calls.
	CertDir string
	// Credentials for authenticating against the registry in the format
	// USERNAME:PASSWORD.
	Credentials string
	// OverrideArch will overwrite the local architecture for image pulls.
	OverrideArch string
	// OverrideOS will overwrite the local operating system (OS) for image
	// pulls.
	OverrideOS string
	// Quiet can be specified to suppress pull progress when pulling.  Ignored
	// for remote calls.
	Quiet bool
	// SignaturePolicy to use when pulling.  Ignored for remote calls.
	SignaturePolicy string
	// SkipTLSVerify to skip HTTPS and certificate verification.
	SkipTLSVerify types.OptionalBool
}

// ImagePullReport is the response from pulling one or more images.
type ImagePullReport struct {
	Images []string
}

// ImagePushOptions are the arguments for pushing images.
type ImagePushOptions struct {
	// Authfile is the path to the authentication file. Ignored for remote
	// calls.
	Authfile string
	// CertDir is the path to certificate directories.  Ignored for remote
	// calls.
	CertDir string
	// Compress tarball image layers when pushing to a directory using the 'dir'
	// transport. Default is same compression type as source. Ignored for remote
	// calls.
	Compress bool
	// Credentials for authenticating against the registry in the format
	// USERNAME:PASSWORD.
	Credentials string
	// DigestFile, after copying the image, write the digest of the resulting
	// image to the file.  Ignored for remote calls.
	DigestFile string
	// Format is the Manifest type (oci, v2s1, or v2s2) to use when pushing an
	// image using the 'dir' transport. Default is manifest type of source.
	// Ignored for remote calls.
	Format string
	// Quiet can be specified to suppress pull progress when pulling.  Ignored
	// for remote calls.
	Quiet bool
	// RemoveSignatures, discard any pre-existing signatures in the image.
	// Ignored for remote calls.
	RemoveSignatures bool
	// SignaturePolicy to use when pulling.  Ignored for remote calls.
	SignaturePolicy string
	// SignBy adds a signature at the destination using the specified key.
	// Ignored for remote calls.
	SignBy string
	// SkipTLSVerify to skip HTTPS and certificate verification.
	SkipTLSVerify types.OptionalBool
}

// ImageSearchOptions are the arguments for searching images.
type ImageSearchOptions struct {
	// Authfile is the path to the authentication file. Ignored for remote
	// calls.
	Authfile string
	// Filters for the search results.
	Filters []string
	// Limit the number of results.
	Limit int
	// NoTrunc will not truncate the output.
	NoTrunc bool
	// SkipTLSVerify to skip  HTTPS and certificate verification.
	SkipTLSVerify types.OptionalBool
}

// ImageSearchReport is the response from searching images.
type ImageSearchReport struct {
	// Index is the image index (e.g., "docker.io" or "quay.io")
	Index string
	// Name is the canoncical name of the image (e.g., "docker.io/library/alpine").
	Name string
	// Description of the image.
	Description string
	// Stars is the number of stars of the image.
	Stars int
	// Official indicates if it's an official image.
	Official string
	// Automated indicates if the image was created by an automated build.
	Automated string
}

// Image List Options
type ImageListOptions struct {
	All     bool       `json:"all" schema:"all"`
	Filter  []string   `json:"Filter,omitempty"`
	Filters url.Values `json:"filters" schema:"filters"`
}

type ImagePruneOptions struct {
	All     bool       `json:"all" schema:"all"`
	Filter  []string   `json:"filter" schema:"filter"`
	Filters url.Values `json:"filters" schema:"filters"`
}

type ImagePruneReport struct {
	Report Report
	Size   int64
}

type ImageTagOptions struct{}
type ImageUntagOptions struct{}

// ImageInspectReport is the data when inspecting an image.
type ImageInspectReport struct {
	*inspect.ImageData
}

type ImageLoadOptions struct {
	Name            string
	Tag             string
	Input           string
	Quiet           bool
	SignaturePolicy string
}

type ImageLoadReport struct {
	Names []string
}

type ImageImportOptions struct {
	Changes     []string
	Message     string
	Quiet       bool
	Reference   string
	Source      string
	SourceIsURL bool
}

type ImageImportReport struct {
	Id string
}

type ImageSaveOptions struct {
	Compress bool
	Format   string
	Output   string
	Quiet    bool
}

// ImageTreeOptions provides options for ImageEngine.Tree()
type ImageTreeOptions struct {
	WhatRequires bool // Show all child images and layers of the specified image
}

// ImageTreeReport provides results from ImageEngine.Tree()
type ImageTreeReport struct {
	Tree string // TODO: Refactor move presentation work out of server
}

// ShowTrustOptions are the cli options for showing trust
type ShowTrustOptions struct {
	JSON         bool
	PolicyPath   string
	Raw          bool
	RegistryPath string
}

// ShowTrustReport describes the results of show trust
type ShowTrustReport struct {
	Raw                     []byte
	SystemRegistriesDirPath string
	JSONOutput              []byte
	Policies                []*trust.TrustPolicy
}

// SetTrustOptions describes the CLI options for setting trust
type SetTrustOptions struct {
	PolicyPath  string
	PubKeysFile []string
	Type        string
}