package tgapi

// MaskPositionPoint represents the part of the face where a mask should be placed.
type MaskPositionPoint string

const (
	// MaskPositionForehead places the mask on the forehead.
	MaskPositionForehead MaskPositionPoint = "forehead"
	// MaskPositionEyes places the mask on the eyes.
	MaskPositionEyes MaskPositionPoint = "eyes"
	// MaskPositionMouth places the mask on the mouth.
	MaskPositionMouth MaskPositionPoint = "mouth"
	// MaskPositionChin places the mask on the chin.
	MaskPositionChin MaskPositionPoint = "chin"
)

// MaskPosition describes the position on faces where a mask should be placed by default.
// Since: Bot API 3.2
// See https://core.telegram.org/bots/api#maskposition
type MaskPosition struct {
	// Point The part of the face relative to which the mask should be placed. One of “forehead”,
	// “eyes”, “mouth”, or “chin”.
	Point MaskPositionPoint `json:"point"`
	// XShift Shift by X-axis measured in widths of the mask scaled to the face size, from left to right. For
	// example, choosing -1.0 will place mask just to the left of the default mask position.
	XShift float32 `json:"x_shift"`
	// YShift Shift by Y-axis measured in heights of the mask scaled to the face size, from top to bottom. For
	// example, 1.0 will place the mask just below the default mask position.
	YShift float32 `json:"y_shift"`
	// Scale Mask scaling coefficient. For example, 2.0 means double size.
	Scale float32 `json:"scale"`
}

// StickerType represents the type of a sticker.
type StickerType string

const (
	// StickerTypeRegular is a regular sticker.
	StickerTypeRegular StickerType = "regular"
	// StickerTypeMask is a mask sticker that can be placed on faces.
	StickerTypeMask StickerType = "mask"
	// StickerTypeCustomEmoji is a custom emoji sticker.
	StickerTypeCustomEmoji StickerType = "custom_emoji"
)

// Sticker represents a sticker.
// Since: Bot API 1.0
// See https://core.telegram.org/bots/api#sticker
type Sticker struct {
	// FileID Identifier for this file, which can be used to download or reuse the file
	FileID string `json:"file_id"`
	// FileUniqueID Unique identifier for this file, which is supposed to be the same over time and for
	// different bots. Can't be used to download or reuse the file.
	FileUniqueID string `json:"file_unique_id"`
	// Width Sticker width
	Width int `json:"width"`
	// Height Sticker height
	Height int `json:"height"`

	// Type Type of the sticker, currently one of “regular”, “mask”, “custom_emoji”. The type of the
	// sticker is independent from its format, which is determined by the fields is_animated and is_video.
	Type StickerType `json:"type"` // Since: Bot API 6.2
	// IsAnimated True, if the sticker is animated
	IsAnimated bool `json:"is_animated"` // Since: Bot API 4.4
	// IsVideo True, if the sticker is a video sticker
	IsVideo bool `json:"is_video"` // Since: Bot API 5.7
	// Thumbnail Optional. Sticker thumbnail in the .WEBP or .JPG format
	Thumbnail *PhotoSize `json:"thumbnail,omitempty"` // Since: Bot API 6.6
	// Emoji Optional. Emoji associated with the sticker
	Emoji *string `json:"emoji,omitempty"`
	// SetName Optional. Name of the sticker set to which the sticker belongs
	SetName *string `json:"set_name,omitempty"` // Since: Bot API 3.2
	// MaskPosition Optional. For mask stickers, the position where the mask should be placed
	MaskPosition *MaskPosition `json:"mask_position,omitempty"` // Since: Bot API 3.2
	// CustomEmojiID Optional. For custom emoji stickers, unique identifier of the custom emoji
	CustomEmojiID *string `json:"custom_emoji_id,omitempty"` // Since: Bot API 6.2
	// NeedRepainting reports whether Telegram must recolor the custom emoji sticker.
	NeedRepainting *bool `json:"need_repainting,omitempty"` // Since: Bot API 6.6
	// FileSize Optional. File size in bytes
	FileSize *int64 `json:"file_size,omitempty"`
}

// StickerSet represents a sticker set.
// Since: Bot API 3.2
// See https://core.telegram.org/bots/api#stickerset
type StickerSet struct {
	// Name Sticker set name
	Name string `json:"name"`
	// Title Sticker set title
	Title string `json:"title"`
	// StickerType Type of stickers in the set, currently one of “regular”, “mask”, “custom_emoji”
	StickerType StickerType `json:"sticker_type"`
	// Stickers List of all set stickers
	Stickers []Sticker `json:"stickers"`
	// Thumbnail Optional. Sticker set thumbnail in the .WEBP, .TGS, or .WEBM format
	Thumbnail *PhotoSize `json:"thumbnail,omitempty"`
}

// InputStickerFormat represents the format of an input sticker.
type InputStickerFormat string

const (
	// InputStickerFormatStatic is a static sticker (WEBP).
	InputStickerFormatStatic InputStickerFormat = "static"
	// InputStickerFormatAnimated is an animated sticker (TGS).
	InputStickerFormatAnimated InputStickerFormat = "animated"
	// InputStickerFormatVideo is a video sticker (WEBM).
	InputStickerFormatVideo InputStickerFormat = "video"
)

// InputSticker describes a sticker to be added to a sticker set.
// Since: Bot API 6.6
// See https://core.telegram.org/bots/api#inputsticker
type InputSticker struct {
	// Sticker The added sticker. Pass a file_id as a String to send a file that already exists on the Telegram
	// servers, pass an HTTP URL as a String for Telegram to get a file from the Internet, or pass
	// “attach://<file_attach_name>” to upload a new file using multipart/form-data under <file_attach_name>
	// name. Animated and video stickers can't be uploaded via HTTP URL. More information on Sending Files »
	Sticker string `json:"sticker"`
	// Format Format of the added sticker, must be one of “static” for a .WEBP or .PNG image, “animated”
	// for a .TGS animation, “video” for a .WEBM video
	Format InputStickerFormat `json:"format"`
	// EmojiList List of 1-20 emoji associated with the sticker
	EmojiList []string `json:"emoji_list"`
	// MaskPosition Optional. Position where the mask should be placed on faces. For “mask” stickers only.
	MaskPosition *MaskPosition `json:"mask_position,omitempty"`
	// Keywords Optional. List of 0-20 search keywords for the sticker with total length of up to 64 characters.
	// For “regular” and “custom_emoji” stickers only.
	Keywords []string `json:"keywords,omitempty"`
}