package tgrich

import (
	"time"

	"git.scuroneko.dev/scuroneko/laniakea/tgapi"
)

const (
	maxRichTextChars = 32768
	maxRichBlocks    = 500
	maxRichDepth     = 16
	maxRichMedia     = 50
	maxTableColumns  = 20
)

// Text creates a plain rich-text node.
//
// Since: Bot API 10.1
func Text(s string) tgapi.RichText { return tgapi.RichTextPlain(s) }

// Bold applies bold formatting to t.
//
// Since: Bot API 10.1
func Bold(t tgapi.RichText) tgapi.RichText { return tgapi.RichTextWrap{Tag: "bold", Text: t} }

// Italic applies italic formatting to t.
//
// Since: Bot API 10.1
func Italic(t tgapi.RichText) tgapi.RichText { return tgapi.RichTextWrap{Tag: "italic", Text: t} }

// Underline applies underline formatting to t.
//
// Since: Bot API 10.1
func Underline(t tgapi.RichText) tgapi.RichText { return tgapi.RichTextWrap{Tag: "underline", Text: t} }

// Strikethrough applies strikethrough formatting to t.
//
// Since: Bot API 10.1
func Strikethrough(t tgapi.RichText) tgapi.RichText {
	return tgapi.RichTextWrap{Tag: "strikethrough", Text: t}
}

// Spoiler hides t behind a spoiler.
//
// Since: Bot API 10.1
func Spoiler(t tgapi.RichText) tgapi.RichText { return tgapi.RichTextWrap{Tag: "spoiler", Text: t} }

// DateTime associates t with ts using Telegram's default date-time format.
//
// Since: Bot API 10.1
func DateTime(t tgapi.RichText, ts time.Time) tgapi.RichText {
	return tgapi.RichTextDateTime{Text: t, UnixTime: ts.Unix()}
}

// DateTimeWithFormat associates t with ts using format.
//
// Since: Bot API 10.1
func DateTimeWithFormat(t tgapi.RichText, ts time.Time, format string) tgapi.RichText {
	return tgapi.RichTextDateTime{Text: t, UnixTime: ts.Unix(), DateTimeFormat: format}
}

// TextMention mentions u with the display text t.
//
// Since: Bot API 10.1
func TextMention(t tgapi.RichText, u tgapi.User) tgapi.RichText {
	return tgapi.RichTextTextMention{Text: t, User: u}
}

// Subscript applies subscript formatting to t.
//
// Since: Bot API 10.1
func Subscript(t tgapi.RichText) tgapi.RichText { return tgapi.RichTextWrap{Tag: "subscript", Text: t} }

// Superscript applies superscript formatting to t.
//
// Since: Bot API 10.1
func Superscript(t tgapi.RichText) tgapi.RichText {
	return tgapi.RichTextWrap{Tag: "superscript", Text: t}
}

// Marked highlights t.
//
// Since: Bot API 10.1
func Marked(t tgapi.RichText) tgapi.RichText { return tgapi.RichTextWrap{Tag: "marked", Text: t} }

// Code applies monospaced formatting to t.
//
// Since: Bot API 10.1
func Code(t tgapi.RichText) tgapi.RichText { return tgapi.RichTextWrap{Tag: "code", Text: t} }

// Emoji creates a custom emoji with emojiID and alternative text t.
//
// Since: Bot API 10.1
func Emoji(t, emojiID string) tgapi.RichText {
	return tgapi.RichTextCustomEmoji{CustomEmojiID: emojiID, AlternativeText: t}
}

// MathExpression creates an inline LaTeX expression.
//
// Since: Bot API 10.1
func MathExpression(exp string) tgapi.RichTextMathematicalExpression {
	return tgapi.RichTextMathematicalExpression{Expression: exp}
}

// URL links t to url.
//
// Since: Bot API 10.1
func URL(t tgapi.RichText, url string) tgapi.RichTextURL { return tgapi.RichTextURL{Text: t, URL: url} }

// Email marks t as an email address.
//
// Since: Bot API 10.1
func Email(t tgapi.RichText, email string) tgapi.RichTextEmailAddress {
	return tgapi.RichTextEmailAddress{Text: t, EmailAddress: email}
}

// Phone marks t as a phone number.
//
// Since: Bot API 10.1
func Phone(t tgapi.RichText, phone string) tgapi.RichTextPhoneNumber {
	return tgapi.RichTextPhoneNumber{Text: t, PhoneNumber: phone}
}

// BankCardNumber marks t as a bank card number.
//
// Since: Bot API 10.1
func BankCardNumber(t tgapi.RichText, number string) tgapi.RichTextBankCardNumber {
	return tgapi.RichTextBankCardNumber{Text: t, BankCardNumber: number}
}

// Mention marks t as a mention of username.
//
// Since: Bot API 10.1
func Mention(t tgapi.RichText, username string) tgapi.RichTextMention {
	return tgapi.RichTextMention{Text: t, Username: username}
}

// Hashtag marks t as hashtag.
//
// Since: Bot API 10.1
func Hashtag(t tgapi.RichText, hashtag string) tgapi.RichTextHashtag {
	return tgapi.RichTextHashtag{Text: t, Hashtag: hashtag}
}

// Cashtag marks t as cashtag.
//
// Since: Bot API 10.1
func Cashtag(t tgapi.RichText, cashtag string) tgapi.RichTextCashtag {
	return tgapi.RichTextCashtag{Text: t, Cashtag: cashtag}
}

// BotCommand marks t as command.
//
// Since: Bot API 10.1
func BotCommand(t tgapi.RichText, command string) tgapi.RichTextBotCommand {
	return tgapi.RichTextBotCommand{Text: t, BotCommand: command}
}

// TextAnchor creates an inline anchor named name.
//
// Since: Bot API 10.1
func TextAnchor(name string) tgapi.RichTextAnchor {
	return tgapi.RichTextAnchor{Name: name}
}

// AnchorLink links t to the anchor named name.
//
// Since: Bot API 10.1
func AnchorLink(t tgapi.RichText, name string) tgapi.RichTextAnchorLink {
	return tgapi.RichTextAnchorLink{Text: t, AnchorName: name}
}

// Reference defines t as a named reference target.
//
// Since: Bot API 10.1
func Reference(t tgapi.RichText, name string) tgapi.RichTextReference {
	return tgapi.RichTextReference{Text: t, Name: name}
}

// ReferenceLink links t to the named reference name.
//
// Since: Bot API 10.1
func ReferenceLink(t tgapi.RichText, name string) tgapi.RichTextReferenceLink {
	return tgapi.RichTextReferenceLink{Text: t, ReferenceName: name}
}

// Concat concatenates rich-text nodes.
//
// Since: Bot API 10.1
func Concat(items ...tgapi.RichText) tgapi.RichText { return tgapi.RichTextArray(items) }