#+feature dynamic-literals
package markdown

import "core:strings"

EMOJIS: map[string]string = {
	// People
	"smile"                        = "😄",
	"laughing"                     = "😆",
	"blush"                        = "😊",
	"smiley"                       = "😃",
	"wink"                         = "😉",
	"joy"                          = "😂",
	"rofl"                         = "🤣",
	"relaxed"                      = "☺️",
	"thinking"                     = "🤔",
	"neutral_face"                 = "😐",
	"expressionless"               = "😑",
	"no_mouth"                     = "😶",
	"rolling_eyes"                 = "🙄",
	"smirk"                        = "😏",
	"persevere"                    = "😣",
	"disappointed_relieved"        = "😥",
	"open_mouth"                   = "😮",
	"zipper_mouth_face"            = "🤐",
	"hushed"                       = "😯",
	"sleepy"                       = "😪",
	"tired_face"                   = "😫",
	"sleeping"                     = "😴",
	"relieved"                     = "😌",
	"stuck_out_tongue"             = "😛",
	"stuck_out_tongue_winking_eye" = "😜",
	"stuck_out_tongue_closed_eyes" = "😝",
	"drooling_face"                = "🤤",
	"unamused"                     = "😒",
	"sweat"                        = "😅",
	"pensive"                      = "😔",
	"confused"                     = "😕",
	"upside_down_face"             = "🙃",
	"money_mouth_face"             = "🤑",
	"astonished"                   = "😲",
	"white_frowning_face"          = "☹️",
	"slightly_sad_face"            = "☹️",
	"confounded"                   = "😖",
	"disappointed"                 = "😞",
	"worried"                      = "😟",
	"triumph"                      = "😤",
	"cry"                          = "😢",
	"sob"                          = "😭",
	"frowning"                     = "😦",
	"frowning_face"                = "🙁",
	"anguished"                    = "😧",
	"fearful"                      = "😨",
	"weary"                        = "😩",
	"grimacing"                    = "😬",
	"cold_sweat"                   = "😰",
	"scream"                       = "😱",
	"flushed"                      = "😳",
	"dizzy_face"                   = "😵",
	"rage"                         = "😡",
	"angry"                        = "😠",
	"innocent"                     = "😇",
	"cowboy_hat_face"              = "🤠",
	"clown_face"                   = "🤡",
	"mask"                         = "😷",
	"thermometer_face"             = "🤒",
	"head_bandage"                 = "🤕",
	"nauseated_face"               = "🤢",
	"sneezing_face"                = "🤧",
	"smiling_imp"                  = "😈",
	"imp"                          = "👿",
	"shrug"                        = "¯\\_(ツ)_/¯",
	"facepalm"                     = "🤦",
	"facepunch"                    = "👊",
	"wave"                         = "👋",
	"ok_hand"                      = "👌",
	"thumbsup"                     = "👍",
	"thumbsdown"                   = "👎",
	"clap"                         = "👏",
	"pray"                         = "🙏",
	"point_up"                     = "☝️",
	"point_down"                   = "👇",
	"point_left"                   = "👈",
	"point_right"                  = "👉",
	"v"                            = "✌️",
	"raised_hands"                 = "🙌",
	"muscle"                       = "💪",
	"fist"                         = "✊",
	"hand"                         = "✋",

	// Hearts & symbols
	"heart"                        = "❤️",
	"orange_heart"                 = "🧡",
	"yellow_heart"                 = "💛",
	"green_heart"                  = "💚",
	"blue_heart"                   = "💙",
	"purple_heart"                 = "💜",
	"broken_heart"                 = "💔",
	"sparkling_heart"              = "💖",
	"100"                          = "💯",
	"anger"                        = "💢",
	"checkered_flag"               = "🏁",
	"crossed_flags"                = "🚩",
	"rocket"                       = "🚀",
	"star"                         = "⭐",
	"star2"                        = "🌟",
	"sparkles"                     = "✨",
	"boom"                         = "💥",
	"exclamation"                  = "❗",
	"question"                     = "❓",
	"grey_exclamation"             = "❕",
	"grey_question"                = "❔",
	"zzz"                          = "💤",
	"warning"                      = "⚠️",
	"no_entry_sign"                = "🚫",
	"no_entry"                     = "⛔",
	"white_check_mark"             = "✅",
	"negative_squared_cross_mark"  = "❎",
	"x"                            = "❌",
	"o"                            = "⭕",
	"heavy_plus_sign"              = "➕",
	"heavy_minus_sign"             = "➖",
	"heavy_division_sign"          = "➗",
	"copyright"                    = "©️",
	"registered"                   = "®️",
	"tm"                           = "™️",

	// Nature & weather
	"fire"                         = "🔥",
	"zap"                          = "⚡",
	"sunny"                        = "☀️",
	"cloud"                        = "☁️",
	"rainbow"                      = "🌈",
	"snowflake"                    = "❄️",
	"dash"                         = "💨",
	"tornado"                      = "🌪️",
	"deciduous_tree"               = "🌳",
	"evergreen_tree"               = "🌲",
	"palm_tree"                    = "🌴",
	"cactus"                       = "🌵",
	"tulip"                        = "🌷",
	"rose"                         = "🌹",
	"sunflower"                    = "🌻",
	"hibiscus"                     = "🌺",
	"earth_africa"                 = "🌍",
	"earth_americas"               = "🌎",
	"earth_asia"                   = "🌏",
	"new_moon"                     = "🌑",
	"full_moon"                    = "🌕",

	// Food & drink
	"coffee"                       = "☕",
	"tea"                          = "🍵",
	"beer"                         = "🍺",
	"beers"                        = "🍻",
	"wine_glass"                   = "🍷",
	"tropical_drink"               = "🍹",
	"apple"                        = "🍎",
	"green_apple"                  = "🍏",
	"orange"                       = "🍊",
	"lemon"                        = "🍋",
	"banana"                       = "🍌",
	"watermelon"                   = "🍉",
	"grapes"                       = "🍇",
	"strawberry"                   = "🍓",
	"melon"                        = "🍈",
	"cherries"                     = "🍒",
	"peach"                        = "🍑",
	"pineapple"                    = "🍍",
	"pizza"                        = "🍕",
	"hamburger"                    = "🍔",
	"hotdog"                       = "🌭",
	"taco"                         = "🌮",
	"burrito"                      = "🌯",
	"cake"                         = "🍰",
	"cookie"                       = "🍪",
	"chocolate_bar"                = "🍫",
	"candy"                        = "🍬",
	"popcorn"                      = "🍿",

	// Animals
	"dog"                          = "🐶",
	"cat"                          = "🐱",
	"mouse"                        = "🐭",
	"hamster"                      = "🐹",
	"rabbit"                       = "🐰",
	"bear"                         = "🐻",
	"panda_face"                   = "🐼",
	"koala"                        = "🐨",
	"tiger"                        = "🐯",
	"lion_face"                    = "🦁",
	"cow"                          = "🐮",
	"pig"                          = "🐷",
	"frog"                         = "🐸",
	"monkey_face"                  = "🐵",
	"see_no_evil"                  = "🙈",
	"hear_no_evil"                 = "🙉",
	"speak_no_evil"                = "🙊",
	"owl"                          = "🦉",
	"bat"                          = "🦇",
	"wolf"                         = "🐺",
	"boar"                         = "🐗",
	"horse"                        = "🐴",
	"unicorn"                      = "🦄",
	"honeybee"                     = "🐝",
	"bug"                          = "🐛",
	"snail"                        = "🐌",
	"beetle"                       = "🐞",
	"ant"                          = "🐜",
	"spider"                       = "🕷",
	"scorpion"                     = "🦂",
	"turtle"                       = "🐢",
	"snake"                        = "🐍",
	"octopus"                      = "🐙",
	"shell"                        = "🐚",
	"whale"                        = "🐳",
	"dolphin"                      = "🐬",
	"fish"                         = "🐟",
	"tropical_fish"                = "🐠",
	"blowfish"                     = "🐡",
	"penguin"                      = "🐧",
	"chicken"                      = "🐔",
	"bird"                         = "🐦",
	"eagle"                        = "🦅",

	// Objects
	"computer"                     = "💻",
	"iphone"                       = "📱",
	"keyboard"                     = "⌨️",
	"desktop_computer"             = "🖥",
	"printer"                      = "🖨",
	"mouse_three_button"           = "🖱",
	"joystick"                     = "🕹",
	"stash"                        = "💾",
	"floppy_disk"                  = "💾",
	"cd"                           = "💿",
	"dvd"                          = "📀",
	"vhs"                          = "📼",
	"camera"                       = "📷",
	"video_camera"                 = "📹",
	"tv"                           = "📺",
	"radio"                        = "📻",
	"pager"                        = "📟",
	"telephone"                    = "☎️",
	"fax"                          = "📠",
	"bulb"                         = "💡",
	"candle"                       = "🕯",
	"bathtub"                      = "🛁",
	"shower"                       = "🚿",
	"toilet"                       = "🚽",
	"wrench"                       = "🔧",
	"hammer"                       = "🔨",
	"nut_and_bolt"                 = "🔩",
	"gear"                         = "⚙️",
	"link"                         = "🔗",
	"lock"                         = "🔒",
	"unlock"                       = "🔓",
	"key"                          = "🔑",
	"bell"                         = "🔔",
	"bookmark"                     = "🔖",
	"pushpin"                      = "📌",
	"paperclip"                    = "📎",
	"memo"                         = "📝",
	"pencil2"                      = "✏️",
	"black_nib"                    = "✒️",
	"pen"                          = "🖊",
	"paintbrush"                   = "🖌",
	"crayon"                       = "🖍",
	"book"                         = "📖",
	"books"                        = "📚",
	"ledger"                       = "📒",
	"notebook"                     = "📓",
	"scroll"                       = "📜",
	"page_with_curl"               = "📄",
	"newspaper"                    = "📰",
	"chart_with_upwards_trend"     = "📈",
	"chart_with_downwards_trend"   = "📉",
	"bar_chart"                    = "📊",
	"calendar"                     = "📅",
	"date"                         = "📅",
	"hourglass"                    = "⌛",
	"hourglass_flowing_sand"       = "⏳",
	"clock"                        = "🕐",
	"alarm_clock"                  = "⏰",
	"stopwatch"                    = "⏱",
	"watch"                        = "⌚",
	"moneybag"                     = "💰",
	"yen"                          = "💴",
	"dollar"                       = "💵",
	"euro"                         = "💶",
	"pound"                        = "💷",
	"money_with_wings"             = "💸",
	"credit_card"                  = "💳",
	"gem"                          = "💎",
	"bomb"                         = "💣",
	"gift"                         = "🎁",
	"balloon"                      = "🎈",
	"tada"                         = "🎉",
	"confetti_ball"                = "🎊",
	"package"                      = "📦",
	"mailbox"                      = "📫",
	"inbox_tray"                   = "📥",
	"outbox_tray"                  = "📤",
	"email"                        = "✉️",
	"envelope"                     = "✉️",
	"incoming_envelope"            = "📨",

	// Activities
	"soccer"                       = "⚽",
	"basketball"                   = "🏀",
	"football"                     = "🏈",
	"baseball"                     = "⚾",
	"tennis"                       = "🎾",
	"8ball"                        = "🎱",
	"bowling"                      = "🎳",
	"video_game"                   = "🎮",
	"dart"                         = "🎯",
	"game_die"                     = "🎲",
	"slot_machine"                 = "🎰",
	"cards"                        = "🃏",
	"black_joker"                  = "🃟",
	"mahjong"                      = "🀄",
	"musical_note"                 = "🎵",
	"notes"                        = "🎶",
	"saxophone"                    = "🎷",
	"guitar"                       = "🎸",
	"musical_keyboard"             = "🎹",
	"trumpet"                      = "🎺",
	"violin"                       = "🎻",
	"drum"                         = "🥁",
	"headphones"                   = "🎧",
	"microphone"                   = "🎤",
	"level_slider"                 = "🎚",
	"control_knobs"                = "🎛",
	"ticket"                       = "🎫",
	"art"                          = "🎨",
	"circus_tent"                  = "🎪",
	"theater_masks"                = "🎭",
	"clapper"                      = "🎬",

	// Travel
	"car"                          = "🚗",
	"taxi"                         = "🚕",
	"bus"                          = "🚍",
	"train"                        = "🚆",
	"metro"                        = "🚇",
	"light_rail"                   = "🚈",
	"tram"                         = "🚊",
	"bike"                         = "🚲",
	"motorcycle"                   = "🏍",
	"airplane"                     = "✈️",
	"helicopter"                   = "🚁",
	"boat"                         = "⛵",
	"sailboat"                     = "⛵",
	"ship"                         = "🚢",
	"fuelpump"                     = "⛽",
	"construction"                 = "🚧",
	"house"                        = "🏠",
	"house_with_garden"            = "🏡",
	"office"                       = "🏢",
	"post_office"                  = "🏣",
	"hospital"                     = "🏥",
	"bank"                         = "🏦",
	"hotel"                        = "🏨",
	"school"                       = "🏫",
	"department_store"             = "🏬",
	"church"                       = "⛪",
	"castle"                       = "🏰",
	"factory"                      = "🏭",
	"tokyo_tower"                  = "🗼",
	"statue_of_liberty"            = "🗽",
	"fountain"                     = "⛲",
	"tent"                         = "⛺",
	"mountain"                     = "⛰️",
	"snow_capped_mountain"         = "🏔",
	"beach"                        = "🏖",
	"camping"                      = "🏕",
	"world_map"                    = "🗺",
	"japan"                        = "🗾",
}

expand_emoji :: proc(text: string) -> string {
	assert(len(EMOJIS) > 0)

	sb := strings.builder_make()
	defer strings.builder_destroy(&sb)

	remaining := text

	for {
		colon := strings.index(remaining, ":")
		if colon < 0 {
			strings.write_string(&sb, remaining)
			break
		}

		after := remaining[colon + 1:]
		end := strings.index(after, ":")
		if end < 0 {
			strings.write_string(&sb, remaining)
			break
		}

		shortcode := remaining[colon + 1:colon + 1 + end]

		valid := true
		for c in shortcode {
			if !(c >= 'a' && c <= 'z') &&
			   !(c >= '0' && c <= '9') &&
			   c != '_' &&
			   c != '+' &&
			   c != '-' {
				valid = false
				break
			}
		}
		if !valid || len(shortcode) == 0 {
			strings.write_string(&sb, remaining[:colon + 1])
			remaining = remaining[colon + 1:]
			continue
		}

		emoji, found := EMOJIS[shortcode]
		if !found {
			strings.write_string(&sb, remaining[:colon + 1])
			remaining = remaining[colon + 1:]
			continue
		}

		strings.write_string(&sb, remaining[:colon])
		strings.write_string(&sb, emoji)
		remaining = remaining[colon + 1 + end + 1:]
	}

	return strings.to_string(sb)
}