package tgapi

// UpdateType represents the type of incoming update.
type UpdateType string

const (
	// UpdateTypeMessage is a regular message update.
	UpdateTypeMessage UpdateType = "message"
	// UpdateTypeEditedMessage is an edited message update.
	UpdateTypeEditedMessage UpdateType = "edited_message"
	// UpdateTypeChannelPost is a channel post update.
	UpdateTypeChannelPost UpdateType = "channel_post"
	// UpdateTypeEditedChannelPost is an edited channel post update.
	UpdateTypeEditedChannelPost UpdateType = "edited_channel_post"
	// UpdateTypeMessageReaction is a message reaction update.
	UpdateTypeMessageReaction UpdateType = "message_reaction"
	// UpdateTypeMessageReactionCount is a message reaction count update.
	UpdateTypeMessageReactionCount UpdateType = "message_reaction_count"

	// UpdateTypeBusinessConnection is a business connection update.
	UpdateTypeBusinessConnection UpdateType = "business_connection"
	// UpdateTypeBusinessMessage is a business message update.
	UpdateTypeBusinessMessage UpdateType = "business_message"
	// UpdateTypeEditedBusinessMessage is an edited business message update.
	UpdateTypeEditedBusinessMessage UpdateType = "edited_business_message"
	// UpdateTypeDeletedBusinessMessage is a deleted business message update.
	UpdateTypeDeletedBusinessMessage UpdateType = "deleted_business_message"

	// UpdateTypeInlineQuery is an inline query update.
	UpdateTypeInlineQuery UpdateType = "inline_query"
	// UpdateTypeChosenInlineResult is a chosen inline result update.
	UpdateTypeChosenInlineResult UpdateType = "chosen_inline_result"
	// UpdateTypeCallbackQuery is a callback query update.
	UpdateTypeCallbackQuery UpdateType = "callback_query"
	// UpdateTypeShippingQuery is a shipping query update.
	UpdateTypeShippingQuery UpdateType = "shipping_query"
	// UpdateTypePreCheckoutQuery is a pre-checkout query update.
	UpdateTypePreCheckoutQuery UpdateType = "pre_checkout_query"
	// UpdateTypePurchasedPaidMedia is a purchased paid media update.
	UpdateTypePurchasedPaidMedia UpdateType = "purchased_paid_media"
	// UpdateTypePoll is a poll update.
	UpdateTypePoll UpdateType = "poll"
	// UpdateTypePollAnswer is a poll answer update.
	UpdateTypePollAnswer UpdateType = "poll_answer"
	// UpdateTypeMyChatMember is a my chat member update.
	UpdateTypeMyChatMember UpdateType = "my_chat_member"
	// UpdateTypeChatMember is a chat member update.
	UpdateTypeChatMember UpdateType = "chat_member"
	// UpdateTypeChatJoinRequest is a chat join request update.
	UpdateTypeChatJoinRequest UpdateType = "chat_join_request"
	// UpdateTypeChatBoost is a chat boost update.
	UpdateTypeChatBoost UpdateType = "chat_boost"
	// UpdateTypeRemovedChatBoost is a removed chat boost update.
	UpdateTypeRemovedChatBoost UpdateType = "removed_chat_boost"
)

// Update represents an incoming update from Telegram.
// See https://core.telegram.org/bots/api#update
type Update struct {
	UpdateID          int      `json:"update_id"`
	Message           *Message `json:"message,omitempty"`
	EditedMessage     *Message `json:"edited_message,omitempty"`
	ChannelPost       *Message `json:"channel_post,omitempty"`
	EditedChannelPost *Message `json:"edited_channel_post,omitempty"`

	BusinessConnection     *BusinessConnection          `json:"business_connection,omitempty"`
	BusinessMessage        *Message                     `json:"business_message,omitempty"`
	EditedBusinessMessage  *Message                     `json:"edited_business_message,omitempty"`
	DeletedBusinessMessage *Message                     `json:"deleted_business_messages,omitempty"`
	MessageReaction        *MessageReactionUpdated      `json:"message_reaction,omitempty"`
	MessageReactionCount   *MessageReactionCountUpdated `json:"message_reaction_count,omitempty"`

	InlineQuery        *InlineQuery        `json:"inline_query,omitempty"`
	ChosenInlineResult *ChosenInlineResult `json:"chosen_inline_result,omitempty"`
	CallbackQuery      *CallbackQuery      `json:"callback_query,omitempty"`
	ShippingQuery      ShippingQuery       `json:"shipping_query,omitempty"`
	PreCheckoutQuery   *PreCheckoutQuery   `json:"pre_checkout_query,omitempty"`
	PurchasedPaidMedia *PaidMediaPurchased `json:"purchased_paid_media,omitempty"`

	Poll             *Poll              `json:"poll,omitempty"`
	PollAnswer       *PollAnswer        `json:"poll_answer,omitempty"`
	MyChatMember     *ChatMemberUpdated `json:"my_chat_member,omitempty"`
	ChatMember       *ChatMemberUpdated `json:"chat_member,omitempty"`
	ChatJoinRequest  *ChatJoinRequest   `json:"chat_join_request,omitempty"`
	ChatBoost        *ChatBoostUpdated  `json:"chat_boost,omitempty"`
	RemovedChatBoost *ChatBoostRemoved  `json:"removed_chat_boost,omitempty"`
}

// InlineQuery represents an incoming inline query.
// See https://core.telegram.org/bots/api#inlinequery
type InlineQuery struct {
	ID       string    `json:"id"`
	From     User      `json:"from"`
	Query    string    `json:"query"`
	Offset   string    `json:"offset"`
	ChatType *ChatType `json:"chat_type,omitempty"`
	Location *Location `json:"location,omitempty"`
}

// ChosenInlineResult represents a result of an inline query that was chosen by the user.
// See https://core.telegram.org/bots/api#choseninlineresult
type ChosenInlineResult struct {
	ResultID        string    `json:"result_id"`
	From            User      `json:"from"`
	Location        *Location `json:"location,omitempty"`
	InlineMessageID string    `json:"inline_message_id"`
	Query           string    `json:"query"`
}

// ShippingQuery represents an incoming shipping query.
// See https://core.telegram.org/bots/api#shippingquery
type ShippingQuery struct {
	ID              string          `json:"id"`
	From            User            `json:"from"`
	InvoicePayload  string          `json:"invoice_payload"`
	ShippingAddress ShippingAddress `json:"shipping_address"`
}

// ShippingAddress represents a shipping address.
// See https://core.telegram.org/bots/api#shippingaddress
type ShippingAddress struct {
	CountryCode string `json:"country_code"`
	State       string `json:"state"`
	City        string `json:"city"`
	StreetLine1 string `json:"street_line1"`
	StreetLine2 string `json:"street_line2"`
	PostCode    string `json:"post_code"`
}

// OrderInfo represents information about an order.
// See https://core.telegram.org/bots/api#orderinfo
type OrderInfo struct {
	Name            string          `json:"name"`
	PhoneNumber     string          `json:"phone_number"`
	Email           string          `json:"email"`
	ShippingAddress ShippingAddress `json:"shipping_address"`
}

// PreCheckoutQuery represents an incoming pre-checkout query.
// See https://core.telegram.org/bots/api#precheckoutquery
type PreCheckoutQuery struct {
	ID               string     `json:"id"`
	From             User       `json:"from"`
	Currency         string     `json:"currency"`
	TotalAmount      int        `json:"total_amount"`
	InvoicePayload   string     `json:"invoice_payload"`
	ShippingOptionID string     `json:"shipping_option_id"`
	OrderInfo        *OrderInfo `json:"order_info,omitempty"`
}

// PaidMediaPurchased represents a purchased paid media.
// See https://core.telegram.org/bots/api#paidmediapurchased
type PaidMediaPurchased struct {
	From             User   `json:"from"`
	PaidMediaPayload string `json:"paid_media_payload"`
}

// File represents a file ready to be downloaded.
// See https://core.telegram.org/bots/api#file
type File struct {
	FileId       string `json:"file_id"`
	FileUniqueID string `json:"file_unique_id"`
	FileSize     int64  `json:"file_size,omitempty"`
	FilePath     string `json:"file_path,omitempty"`
}

// Audio represents an audio file to be treated as music by the Telegram clients.
// See https://core.telegram.org/bots/api#audio
type Audio struct {
	FileID       string `json:"file_id"`
	FileUniqueID string `json:"file_unique_id"`
	Duration     int    `json:"duration"`

	Performer string     `json:"performer,omitempty"`
	Title     string     `json:"title,omitempty"`
	FileName  string     `json:"file_name,omitempty"`
	MimeType  string     `json:"mime_type,omitempty"`
	FileSize  int64      `json:"file_size,omitempty"`
	Thumbnail *PhotoSize `json:"thumbnail,omitempty"`
}

// PollOption contains information about one answer option in a poll.
// See https://core.telegram.org/bots/api#polloption
type PollOption struct {
	Text         string          `json:"text"`
	TextEntities []MessageEntity `json:"text_entities"`
	VoterCount   int             `json:"voter_count"`
}

// Poll contains information about a poll.
// See https://core.telegram.org/bots/api#poll
type Poll struct {
	ID               string          `json:"id"`
	Question         string          `json:"question"`
	QuestionEntities []MessageEntity `json:"question_entities"`
	Options          []PollOption    `json:"options"`
	TotalVoterCount  int             `json:"total_voter_count"`
	IsClosed         bool            `json:"is_closed"`
	IsAnonymous      bool            `json:"is_anonymous"`
	Type             PollType        `json:"type"`

	AllowsMultipleAnswers bool            `json:"allows_multiple_answers"`
	CorrectOptionID       *int            `json:"correct_option_id,omitempty"`
	Explanation           *string         `json:"explanation,omitempty"`
	ExplanationEntities   []MessageEntity `json:"explanation_entities,omitempty"`
	OpenPeriod            int             `json:"open_period,omitempty"`
	CloseDate             int             `json:"close_date,omitempty"`
}

// PollAnswer represents an answer of a user in a poll.
// See https://core.telegram.org/bots/api#pollanswer
type PollAnswer struct {
	PollID    string `json:"poll_id"`
	VoterChat Chat   `json:"voter_chat"`
	User      User   `json:"user"`
	OptionIDS []int  `json:"option_ids"`
}

// ChatMemberUpdated represents changes in the status of a chat member.
// See https://core.telegram.org/bots/api#chatmemberupdated
type ChatMemberUpdated struct {
	Chat                    Chat            `json:"chat"`
	From                    User            `json:"from"`
	Date                    int64           `json:"date"`
	OldChatMember           ChatMember      `json:"old_chat_member"`
	NewChatMember           ChatMember      `json:"new_chat_member"`
	InviteLink              *ChatInviteLink `json:"invite_link,omitempty"`
	ViaJoinRequest          *bool           `json:"via_join_request,omitempty"`
	ViaChatFolderInviteLink *bool           `json:"via_chat_folder_invite_link,omitempty"`
}

// ChatJoinRequest represents a join request sent to a chat.
// See https://core.telegram.org/bots/api#chatjoinrequest
type ChatJoinRequest struct {
	Chat       Chat            `json:"chat"`
	From       User            `json:"from"`
	UserChatID int64           `json:"user_chat_id"`
	Date       int64           `json:"date"`
	Bio        *string         `json:"bio,omitempty"`
	InviteLink *ChatInviteLink `json:"invite_link,omitempty"`
}

// Location represents a point on the map.
// See https://core.telegram.org/bots/api#location
type Location struct {
	Latitude             float64 `json:"latitude"`
	Longitude            float64 `json:"longitude"`
	HorizontalAccuracy   float64 `json:"horizontal_accuracy"`
	LivePeriod           int     `json:"live_period"`
	Heading              int     `json:"heading"`
	ProximityAlertRadius int     `json:"proximity_alert_radius"`
}

// LocationAddress represents a human-readable address of a location.
type LocationAddress struct {
	CountryCode string  `json:"country_code"`
	State       *string `json:"state,omitempty"`
	City        *string `json:"city,omitempty"`
	Street      *string `json:"street,omitempty"`
}

// Venue represents a venue.
// See https://core.telegram.org/bots/api#venue
type Venue struct {
	Location        Location `json:"location"`
	Title           string   `json:"title"`
	Address         string   `json:"address"`
	FoursquareID    string   `json:"foursquare_id,omitempty"`
	FoursquareType  string   `json:"foursquare_type,omitempty"`
	GooglePlaceID   string   `json:"google_place_id,omitempty"`
	GooglePlaceType string   `json:"google_place_type,omitempty"`
}

// WebAppInfo contains information about a Web App.
// See https://core.telegram.org/bots/api#webappinfo
type WebAppInfo struct {
	URL string `json:"url"`
}

// StarAmount represents an amount of Telegram Stars.
type StarAmount struct {
	Amount         int `json:"amount"`
	NanostarAmount int `json:"nanostar_amount"`
}

// Story represents a story.
type Story struct {
	Chat Chat `json:"chat"`
	ID   int  `json:"id"`
}

// AcceptedGiftTypes represents the types of gifts accepted by a user or chat.
type AcceptedGiftTypes struct {
	UnlimitedGifts      bool `json:"unlimited_gifts"`
	LimitedGifts        bool `json:"limited_gifts"`
	UniqueGifts         bool `json:"unique_gifts"`
	PremiumSubscription bool `json:"premium_subscription"`
	GiftsFromChannels   bool `json:"gifts_from_channels"`
}

// UniqueGiftColors represents color information for a unique gift.
type UniqueGiftColors struct {
	ModelCustomEmojiID    string `json:"model_custom_emoji_id"`
	SymbolCustomEmojiID   string `json:"symbol_custom_emoji_id"`
	LightThemeMainColor   int    `json:"light_theme_main_color"`
	LightThemeOtherColors []int  `json:"light_theme_other_colors"`
	DarkThemeMainColor    int    `json:"dark_theme_main_color"`
	DarkThemeOtherColors  []int  `json:"dark_theme_other_colors"`
}

// GiftBackground represents the background of a gift.
type GiftBackground struct {
	CenterColor int `json:"center_color"`
	EdgeColor   int `json:"edge_color"`
	TextColor   int `json:"text_color"`
}

// Gift represents a gift that can be sent.
type Gift struct {
	ID                     string         `json:"id"`
	Sticker                Sticker        `json:"sticker"`
	StarCount              int            `json:"star_count"`
	UpdateStarCount        *int           `json:"update_star_count,omitempty"`
	IsPremium              *bool          `json:"is_premium,omitempty"`
	HasColors              *bool          `json:"has_colors,omitempty"`
	TotalCount             *int           `json:"total_count,omitempty"`
	RemainingCount         *int           `json:"remaining_count,omitempty"`
	PersonalTotalCount     *int           `json:"personal_total_count,omitempty"`
	PersonalRemainingCount *int           `json:"personal_remaining_count,omitempty"`
	Background             GiftBackground `json:"background,omitempty"`
	UniqueGiftVariantColor *int           `json:"unique_gift_variant_color,omitempty"`
	PublisherChat          *Chat          `json:"publisher_chat,omitempty"`
}

// Gifts represents a list of gifts.
type Gifts struct {
	Gifts []Gift `json:"gifts"`
}

// OwnedGiftType represents the type of an owned gift.
type OwnedGiftType string

const (
	OwnedGiftRegularType OwnedGiftType = "regular"
	OwnedGiftUniqueType  OwnedGiftType = "unique"
)

// OwnedGift represents a gift owned by a user or chat.
type OwnedGift struct {
	Type        OwnedGiftType `json:"type"`
	OwnerGiftID *string       `json:"owner_gift_id,omitempty"`
	SendDate    *int          `json:"send_date,omitempty"`
	IsSaved     *bool         `json:"is_saved,omitempty"`

	// Fields specific to "regular" type
	Gift                    Gift            `json:"gift"`
	SenderUser              User            `json:"sender_user,omitempty"`
	Text                    string          `json:"text,omitempty"`
	Entities                []MessageEntity `json:"entities,omitempty"`
	IsPrivate               *bool           `json:"is_private,omitempty"`
	CanBeUpgraded           *bool           `json:"can_be_upgraded,omitempty"`
	WasRefunded             *bool           `json:"was_refunded,omitempty"`
	ConvertStarCount        *int            `json:"convert_star_count,omitempty"`
	PrepaidUpgradeStarCount *int            `json:"prepaid_upgrade_star_count,omitempty"`
	IsUpgradeSeparate       *bool           `json:"is_upgrade_separate,omitempty"`
	UniqueGiftNumber        *int            `json:"unique_gift_number,omitempty"`

	// Fields specific to "unique" type
	CanBeTransferred  *bool `json:"can_be_transferred,omitempty"`
	TransferStarCount *int  `json:"transfer_star_count,omitempty"`
	NextTransferDate  *int  `json:"next_transfer_date,omitempty"`
}

// OwnedGifts represents a list of owned gifts with pagination.
type OwnedGifts struct {
	TotalCount int         `json:"total_count"`
	Gifts      []OwnedGift `json:"gifts"`
	NextOffset string      `json:"next_offset"`
}