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//
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// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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package main
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import (
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"regexp"
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"github.com/mattn/go-runewidth"
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)
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// these lists are mostly (?) accurate
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var bigboldshitz = "𝐀𝐁𝐂𝐃𝐄𝐅𝐆𝐇𝐈𝐉𝐊𝐋𝐌𝐍𝐎𝐏𝐐𝐑𝐒𝐓𝐔𝐕𝐖𝐗𝐘𝐙"
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var lilboldshitz = "𝐚𝐛𝐜𝐝𝐞𝐟𝐠𝐡𝐢𝐣𝐤𝐥𝐦𝐧𝐨𝐩𝐪𝐫𝐬𝐭𝐮𝐯𝐰𝐱𝐲𝐳"
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var moeboldshitz = "𝗔𝗕𝗖𝗗𝗘𝗙𝗚𝗛𝗜𝗝𝗞𝗟𝗠𝗡𝗢𝗣𝗤𝗥𝗦𝗧𝗨𝗩𝗪𝗫𝗬𝗭"
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var morboldshitz = "𝗮𝗯𝗰𝗱𝗲𝗳𝗴𝗵𝗶𝗷𝗸𝗹𝗺𝗻𝗼𝗽𝗾𝗿𝘀𝘁𝘂𝘃𝘄𝘅𝘆𝘇"
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var biggothshitz = "𝕬𝕭𝕮𝕯𝕰𝕱𝕲𝕳𝕴𝕵𝕶𝕷𝕸𝕹𝕺𝕻𝕼𝕽𝕾𝕿𝖀𝖁𝖂𝖃𝖄𝖅"
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var lilgothshitz = "𝖆𝖇𝖈𝖉𝖊𝖋𝖌𝖍𝖎𝖏𝖐𝖑𝖒𝖓𝖔𝖕𝖖𝖗𝖘𝖙𝖚𝖛𝖜𝖝𝖞𝖟"
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var moegothshitz = "𝔄𝔅𝕮𝔇𝔈𝔉𝔊𝕳ℑ𝔍𝔎𝔏𝔐𝔑𝔒𝔓𝔔ℜ𝔖𝔗𝔘𝔙𝔚𝔛𝔜𝖅"
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var morgothshitz = "𝔞𝔟𝔠𝔡𝔢𝔣𝔤𝔥𝔦𝔧𝔨𝔩𝔪𝔫𝔬𝔭𝔮𝔯𝔰𝔱𝔲𝔳𝔴𝔵𝔶𝔷"
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var bigitalshitz = "𝑨𝑩𝑪𝑫𝑬𝑭𝑮𝑯𝑰𝑱𝑲𝑳𝑴𝑵𝑶𝑷𝑸𝑹𝑺𝑻𝑼𝑽𝑾𝑿𝒀𝒁"
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var lilitalshitz = "𝒂𝒃𝒄𝒅𝒆𝒇𝒈𝒉𝒊𝒋𝒌𝒍𝒎𝒏𝒐𝒑𝒒𝒓𝒔𝒕𝒖𝒗𝒘𝒙𝒚𝒛"
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var moeitalshitz = "𝘼𝘽𝘾𝘿𝙀𝙁𝙂𝙃𝙄𝙅𝙆𝙇𝙈𝙉𝙊𝙋𝙌𝙍𝙎𝙏𝙐𝙑𝙒𝙓𝙔𝙕"
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var moritalshitz = "𝙖𝙗𝙘𝙙𝙚𝙛𝙜𝙝𝙞𝙟𝙠𝙡𝙢𝙣𝙤𝙥𝙦𝙧𝙨𝙩𝙪𝙫𝙬𝙭𝙮𝙯"
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var bigbangshitz = "𝔸𝔹ℂ𝔻𝔼𝔽𝔾ℍ𝕀𝕁𝕂𝕃𝕄ℕ𝕆ℙℚℝ𝕊𝕋𝕌𝕍𝕎𝕏𝕐ℤ"
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var lilbangshitz = "𝕒𝕓𝕔𝕕𝕖𝕗𝕘𝕙𝕚𝕛𝕜𝕝𝕞𝕟𝕠𝕡𝕢𝕣𝕤𝕥𝕦𝕧𝕨𝕩𝕪𝕫"
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var bigwideshitz = "ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺ"
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var lilwideshitz = "ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ"
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var bigblokshitz = "🅰🅱🅲🅳🅴🅵🅶🅷🅸🅹🅺🅻🅼🅽🅾🅿🆀🆁🆂🆃🆄🆅🆆🆇🆈🆉"
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var evenmoeshitz = "𝐴𝐵𝐶𝐷𝐸𝐹𝐺𝐻𝐼𝐽𝐾𝐿𝑀𝑁𝑂𝑃𝑄𝑅𝑆𝑇𝑈𝑉𝑊𝑋𝑌𝑍"
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var evenmorshitz = "𝒶𝒷𝒸𝒹𝑒𝒻𝓰𝒽𝒾𝒿𝓀𝓁𝓂𝓃𝓸𝓅𝓆𝓇𝓈𝓉𝓊𝓋𝓌𝓍𝓎𝓏"
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var re_alltheshitz = regexp.MustCompile(`([` +
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bigboldshitz + lilboldshitz +
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moeboldshitz + morboldshitz +
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biggothshitz + lilgothshitz +
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moegothshitz + morgothshitz +
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bigitalshitz + lilitalshitz +
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moeitalshitz + moritalshitz +
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bigbangshitz + lilbangshitz +
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bigwideshitz + lilwideshitz +
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evenmoeshitz + evenmorshitz +
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bigblokshitz +
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"][ '\ufe0f]?){3,}")
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var allUppers = []string{bigboldshitz, moeboldshitz, biggothshitz, bigwideshitz, moegothshitz, bigitalshitz, moeitalshitz, bigbangshitz, bigblokshitz, evenmoeshitz}
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var allLowers = []string{lilboldshitz, morboldshitz, lilgothshitz, lilwideshitz, morgothshitz, lilitalshitz, moritalshitz, lilbangshitz, evenmorshitz}
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var skinTones = "\U0001F3FB\U0001F3FC\U0001F3FD\U0001F3FE\U0001F3FF"
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var re_moredumb = regexp.MustCompile("[\U0001f44f\U0001f6a8\U000026a0][" + skinTones + "\ufe0f]*")
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// this may not be especially fast
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func unpucker(s string) string {
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fixer := func(r string) string {
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x := make([]byte, len(r))
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xi := 0
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loop1:
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for _, c := range r {
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xi++
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if c == ' ' || c == '\'' {
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x[xi] = byte(c)
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continue
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}
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for _, set := range allUppers {
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i := 0
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for _, rr := range set {
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if rr == c {
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x[xi] = byte('A' + i)
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continue loop1
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}
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i++
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}
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}
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for _, set := range allLowers {
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i := 0
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for _, rr := range set {
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if rr == c {
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x[xi] = byte('a' + i)
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continue loop1
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}
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i++
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}
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}
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x[xi] = '.'
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}
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return string(x)
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}
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s = re_alltheshitz.ReplaceAllStringFunc(s, fixer)
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return demoji(s)
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}
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func demoji(s string) string {
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s = re_moredumb.ReplaceAllString(s, ".")
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zw := false
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for _, c := range s {
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if runewidth.RuneWidth(c) == 0 {
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zw = true
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break
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}
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}
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if zw {
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x := make([]byte, 0, len(s))
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zw = false
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for _, c := range s {
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if runewidth.RuneWidth(c) == 0 {
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if zw {
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continue
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}
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zw = true
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} else {
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zw = false
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}
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q := string(c)
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x = append(x, []byte(q)...)
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}
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return string(x)
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}
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return s
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}
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