#+feature dynamic-literals
package markdown

import "core:strings"

EMOJIS: map[string]string = {
	// People
	"smile" = "\xf0\x9f\x98\x84",
	"laughing" = "\xf0\x9f\x98\x86",
	"blush" = "\xf0\x9f\x98\x8a",
	"smiley" = "\xf0\x9f\x98\x83",
	"wink" = "\xf0\x9f\x98\x89",
	"joy" = "\xf0\x9f\xa4\xa3",
	"rofl" = "\xf0\x9f\xa4\xa3",
	"relaxed" = "\xe2\x98\xba\xef\xb8\x8f",
	"thinking" = "\xf0\x9f\xa4\x94",
	"neutral_face" = "\xf0\x9f\x98\x90",
	"expressionless" = "\xf0\x9f\x98\x91",
	"no_mouth" = "\xf0\x9f\x98\xb6",
	"rolling_eyes" = "\xf0\x9f\x99\x84",
	"smirk" = "\xf0\x9f\x98\x8f",
	"persevere" = "\xf0\x9f\x98\xa3",
	"disappointed_relieved" = "\xf0\x9f\x98\xa5",
	"open_mouth" = "\xf0\x9f\x98\xae",
	"zipper_mouth_face" = "\xf0\x9f\xa4\x90",
	"hushed" = "\xf0\x9f\x98\xaf",
	"sleepy" = "\xf0\x9f\x98\xaa",
	"tired_face" = "\xf0\x9f\x98\xab",
	"sleeping" = "\xf0\x9f\x98\xb4",
	"relieved" = "\xf0\x9f\x98\x8c",
	"stuck_out_tongue" = "\xf0\x9f\x98\x9b",
	"stuck_out_tongue_winking_eye" = "\xf0\x9f\x98\x9c",
	"stuck_out_tongue_closed_eyes" = "\xf0\x9f\x98\x9d",
	"drooling_face" = "\xf0\x9f\xa4\xa4",
	"unamused" = "\xf0\x9f\x98\x92",
	"sweat" = "\xf0\x9f\x98\x85",
	"pensive" = "\xf0\x9f\x98\x94",
	"confused" = "\xf0\x9f\x98\x95",
	"upside_down_face" = "\xf0\x9f\x99\x83",
	"money_mouth_face" = "\xf0\x9f\xa4\x91",
	"astonished" = "\xf0\x9f\x98\xb2",
	"white_frowning_face" = "\xe2\x98\xb9\xef\xb8\x8f",
	"slightly_sad_face" = "\xe2\x98\xb9\xef\xb8\x8f",
	"confounded" = "\xf0\x9f\x98\x96",
	"disappointed" = "\xf0\x9f\x98\x9e",
	"worried" = "\xf0\x9f\x98\x9f",
	"triumph" = "\xf0\x9f\x98\xa4",
	"cry" = "\xf0\x9f\x98\xa2",
	"sob" = "\xf0\x9f\x98\xad",
	"frowning" = "\xf0\x9f\x98\xa6",
	"frowning_face" = "\xf0\x9f\x99\x81",
	"anguished" = "\xf0\x9f\x98\xa7",
	"fearful" = "\xf0\x9f\x98\xa8",
	"weary" = "\xf0\x9f\x98\xa9",
	"grimacing" = "\xf0\x9f\x98\xac",
	"cold_sweat" = "\xf0\x9f\x98\xb0",
	"scream" = "\xf0\x9f\x98\xb1",
	"flushed" = "\xf0\x9f\x98\xb3",
	"dizzy_face" = "\xf0\x9f\x98\xb5",
	"rage" = "\xf0\x9f\x98\xa1",
	"angry" = "\xf0\x9f\x98\xa0",
	"innocent" = "\xf0\x9f\x98\x87",
	"cowboy_hat_face" = "\xf0\x9f\xa4\xa0",
	"clown_face" = "\xf0\x9f\xa4\xa1",
	"mask" = "\xf0\x9f\x98\xb7",
	"thermometer_face" = "\xf0\x9f\xa4\x92",
	"head_bandage" = "\xf0\x9f\xa4\x95",
	"nauseated_face" = "\xf0\x9f\xa4\xa2",
	"sneezing_face" = "\xf0\x9f\xa4\xa7",
	"smiling_imp" = "\xf0\x9f\x98\x88",
	"imp" = "\xf0\x9f\x91\xbf",
	"shrug" = "\xc2\xaf\\_(\xe3\x83\x84)_/\xc2\xaf",
	"facepalm" = "\xf0\x9f\xa4\xa6",
	"facepunch" = "\xf0\x9f\x91\x8a",
	"wave" = "\xf0\x9f\x91\x8b",
	"ok_hand" = "\xf0\x9f\x91\x8c",
	"thumbsup" = "\xf0\x9f\x91\x8d",
	"thumbsdown" = "\xf0\x9f\x91\x8e",
	"clap" = "\xf0\x9f\x91\x8f",
	"pray" = "\xf0\x9f\x99\x8f",
	"point_up" = "\xe2\x98\x9d\xef\xb8\x8f",
	"point_down" = "\xf0\x9f\x91\x87",
	"point_left" = "\xf0\x9f\x91\x88",
	"point_right" = "\xf0\x9f\x89\x89",
	"v" = "\xe2\x9c\x8c\xef\xb8\x8f",
	"raised_hands" = "\xf0\x9f\x99\x8c",
	"muscle" = "\xf0\x9f\x92\xaa",
	"fist" = "\xe2\x9c\x8a",
	"hand" = "\xe2\x9c\x8b",

	// Hearts & symbols
	"heart" = "\xe2\x9d\xa4\xef\xb8\x8f",
	"orange_heart" = "\xf0\x9f\xa7\xa1",
	"yellow_heart" = "\xf0\x9f\x92\x9b",
	"green_heart" = "\xf0\x9f\x92\x9a",
	"blue_heart" = "\xf0\x9f\x92\x99",
	"purple_heart" = "\xf0\x9f\x92\x9c",
	"broken_heart" = "\xf0\x9f\x92\x94",
	"sparkling_heart" = "\xf0\x9f\x92\x96",
	"100" = "\xf0\x9f\x92\xaf",
	"anger" = "\xf0\x9f\x92\xa2",
	"checkered_flag" = "\xf0\x9f\x8f\x81",
	"crossed_flags" = "\xf0\x9f\x9a\xa9",
	"rocket" = "\xf0\x9f\x9a\x80",
	"star" = "\xe2\xad\x90",
	"star2" = "\xf0\x9f\x8c\x9f",
	"sparkles" = "\xe2\x9c\xa8",
	"boom" = "\xf0\x9f\x92\xa5",
	"exclamation" = "\xe2\x9d\x97",
	"question" = "\xe2\x9d\x93",
	"grey_exclamation" = "\xe2\x9d\x95",
	"grey_question" = "\xe2\x9d\x94",
	"zzz" = "\xf0\x9f\x92\xa4",
	"warning" = "\xe2\x9a\xa0\xef\xb8\x8f",
	"no_entry_sign" = "\xf0\x9f\x9a\xab",
	"no_entry" = "\xe2\x9b\x94",
	"white_check_mark" = "\xe2\x9c\x85",
	"negative_squared_cross_mark" = "\xe2\x9d\x8e",
	"x" = "\xe2\x9d\x8c",
	"o" = "\xe2\xad\x95",
	"heavy_plus_sign" = "\xe2\x9e\x95",
	"heavy_minus_sign" = "\xe2\x9e\x96",
	"heavy_division_sign" = "\xe2\x9e\x97",
	"copyright" = "\xc2\xa9\xef\xb8\x8f",
	"registered" = "\xc2\xae\xef\xb8\x8f",
	"tm" = "\xe2\x84\xa2\xef\xb8\x8f",

	// Nature & weather
	"fire" = "\xf0\x9f\x94\xa5",
	"zap" = "\xe2\x9a\xa1",
	"sunny" = "\xe2\x98\x80\xef\xb8\x8f",
	"cloud" = "\xe2\x98\x81\xef\xb8\x8f",
	"rainbow" = "\xf0\x9f\x8c\x88",
	"snowflake" = "\xe2\x9d\x84\xef\xb8\x8f",
	"dash" = "\xf0\x9f\x92\xa8",
	"tornado" = "\xf0\x9f\x8c\xaa\xef\xb8\x8f",
	"deciduous_tree" = "\xf0\x9f\x8c\xb3",
	"evergreen_tree" = "\xf0\x9f\x8c\xb2",
	"palm_tree" = "\xf0\x9f\x8c\xb4",
	"cactus" = "\xf0\x9f\x8c\xb5",
	"tulip" = "\xf0\x9f\x8c\xb7",
	"rose" = "\xf0\x9f\x8c\xb9",
	"sunflower" = "\xf0\x9f\x8c\xbb",
	"hibiscus" = "\xf0\x9f\x8c\xba",
	"earth_africa" = "\xf0\x9f\x8c\x8d",
	"earth_americas" = "\xf0\x9f\x8c\x8e",
	"earth_asia" = "\xf0\x9f\x8c\x8f",
	"new_moon" = "\xf0\x9f\x8c\x9a",
	"full_moon" = "\xf0\x9f\x8c\x95",

	// Food & drink
	"coffee" = "\xe2\x98\x95",
	"tea" = "\xf0\x9f\x8d\xb5",
	"beer" = "\xf0\x9f\x8d\xba",
	"beers" = "\xf0\x9f\x8d\xbb",
	"wine_glass" = "\xf0\x9f\x8d\xb7",
	"tropical_drink" = "\xf0\x9f\x8d\xb9",
	"apple" = "\xf0\x9f\x8d\x8e",
	"green_apple" = "\xf0\x9f\x8d\x8f",
	"orange" = "\xf0\x9f\x8d\x8a",
	"lemon" = "\xf0\x9f\x8d\x8b",
	"banana" = "\xf0\x9f\x8d\x8c",
	"watermelon" = "\xf0\x9f\x8d\x89",
	"grapes" = "\xf0\x9f\x8d\x87",
	"strawberry" = "\xf0\x9f\x8d\x93",
	"melon" = "\xf0\x9f\x8d\x88",
	"cherries" = "\xf0\x9f\x8d\x92",
	"peach" = "\xf0\x9f\x8d\x91",
	"pineapple" = "\xf0\x9f\x8d\x8d",
	"pizza" = "\xf0\x9f\x8d\x95",
	"hamburger" = "\xf0\x9f\x8d\x94",
	"hotdog" = "\xf0\x9f\x8c\xad",
	"taco" = "\xf0\x9f\x8c\xae",
	"burrito" = "\xf0\x9f\x8c\xaf",
	"cake" = "\xf0\x9f\x8d\xb0",
	"cookie" = "\xf0\x9f\x8d\xaa",
	"chocolate_bar" = "\xf0\x9f\x8d\xab",
	"candy" = "\xf0\x9f\x8d\xac",
	"popcorn" = "\xf0\x9f\x8d\xbf",

	// Animals
	"dog" = "\xf0\x9f\x90\xb6",
	"cat" = "\xf0\x9f\x90\xb1",
	"mouse" = "\xf0\x9f\x90\xad",
	"hamster" = "\xf0\x9f\x90\xb9",
	"rabbit" = "\xf0\x9f\x90\xb0",
	"bear" = "\xf0\x9f\x90\xbb",
	"panda_face" = "\xf0\x9f\x90\xbc",
	"koala" = "\xf0\x9f\x90\xa8",
	"tiger" = "\xf0\x9f\x90\xaf",
	"lion_face" = "\xf0\x9f\xa6\x81",
	"cow" = "\xf0\x9f\x90\xae",
	"pig" = "\xf0\x9f\x90\xb7",
	"frog" = "\xf0\x9f\x90\xb8",
	"monkey_face" = "\xf0\x9f\x90\xb5",
	"see_no_evil" = "\xf0\x9f\x99\x88",
	"hear_no_evil" = "\xf0\x9f\x99\x89",
	"speak_no_evil" = "\xf0\x9f\x99\x8a",
	"owl" = "\xf0\x9f\xa6\x89",
	"bat" = "\xf0\x9f\xa6\x87",
	"wolf" = "\xf0\x9f\x90\xba",
	"boar" = "\xf0\x9f\x90\x97",
	"horse" = "\xf0\x9f\x90\x8e",
	"unicorn" = "\xf0\x9f\xa6\x84",
	"honeybee" = "\xf0\x9f\x90\x9d",
	"bug" = "\xf0\x9f\x90\x9b",
	"snail" = "\xf0\x9f\x90\x8c",
	"beetle" = "\xf0\x9f\x90\x9e",
	"ant" = "\xf0\x9f\x90\x9c",
	"spider" = "\xf0\x9f\x95\xb7",
	"scorpion" = "\xf0\x9f\xa6\x82",
	"turtle" = "\xf0\x9f\x90\xa2",
	"snake" = "\xf0\x9f\x90\x8d",
	"octopus" = "\xf0\x9f\x90\x99",
	"shell" = "\xf0\x9f\x90\x9a",
	"whale" = "\xf0\x9f\x90\xb3",
	"dolphin" = "\xf0\x9f\x90\xac",
	"fish" = "\xf0\x9f\x90\x9f",
	"tropical_fish" = "\xf0\x9f\x90\xa0",
	"blowfish" = "\xf0\x9f\x90\xa1",
	"penguin" = "\xf0\x9f\x90\xa7",
	"chicken" = "\xf0\x9f\x90\x94",
	"bird" = "\xf0\x9f\x90\xa6",
	"eagle" = "\xf0\x9f\xa6\x85",

	// Objects
	"computer" = "\xf0\x9f\x92\xbb",
	"iphone" = "\xf0\x9f\x93\xb1",
	"keyboard" = "\xe2\x8c\xa8\xef\xb8\x8f",
	"desktop_computer" = "\xf0\x9f\x96\xa5",
	"printer" = "\xf0\x9f\x96\xa8",
	"mouse_three_button" = "\xf0\x9f\x96\xb1",
	"joystick" = "\xf0\x9f\x95\xb9",
	"stash" = "\xf0\x9f\x92\xbe",
	"floppy_disk" = "\xf0\x9f\x92\xbe",
	"cd" = "\xf0\x9f\x92\xbf",
	"dvd" = "\xf0\x9f\x93\x80",
	"vhs" = "\xf0\x9f\x93\xbc",
	"camera" = "\xf0\x9f\x93\xb7",
	"video_camera" = "\xf0\x9f\x93\xb9",
	"tv" = "\xf0\x9f\x93\xba",
	"radio" = "\xf0\x9f\x93\xbb",
	"pager" = "\xf0\x9f\x93\x9f",
	"telephone" = "\xe2\x98\x8e\xef\xb8\x8f",
	"fax" = "\xf0\x9f\x93\xa0",
	"bulb" = "\xf0\x9f\x92\xa1",
	"candle" = "\xf0\x9f\x95\xaf",
	"bathtub" = "\xf0\x9f\x9b\x81",
	"shower" = "\xf0\x9f\x9a\xbf",
	"toilet" = "\xf0\x9f\x9a\xbd",
	"wrench" = "\xf0\x9f\x94\xa7",
	"hammer" = "\xf0\x9f\x94\xa8",
	"nut_and_bolt" = "\xf0\x9f\x94\xa9",
	"gear" = "\xe2\x9a\x99\xef\xb8\x8f",
	"link" = "\xf0\x9f\x94\x97",
	"lock" = "\xf0\x9f\x94\x92",
	"unlock" = "\xf0\x9f\x94\x93",
	"key" = "\xf0\x9f\x94\x91",
	"bell" = "\xf0\x9f\x94\x94",
	"bookmark" = "\xf0\x9f\x94\x96",
	"pushpin" = "\xf0\x9f\x93\x8c",
	"paperclip" = "\xf0\x9f\x93\x8e",
	"memo" = "\xf0\x9f\x93\x9d",
	"pencil2" = "\xe2\x9c\x8f\xef\xb8\x8f",
	"black_nib" = "\xe2\x9c\x92\xef\xb8\x8f",
	"pen" = "\xf0\x9f\x96\x8a",
	"paintbrush" = "\xf0\x9f\x96\x8c",
	"crayon" = "\xf0\x9f\x96\x8d",
	"book" = "\xf0\x9f\x93\x97",
	"books" = "\xf0\x9f\x93\x9a",
	"ledger" = "\xf0\x9f\x93\x92",
	"notebook" = "\xf0\x9f\x93\x93",
	"scroll" = "\xf0\x9f\x93\x9c",
	"page_with_curl" = "\xf0\x9f\x93\x84",
	"newspaper" = "\xf0\x9f\x93\xb0",
	"chart_with_upwards_trend" = "\xf0\x9f\x93\x88",
	"chart_with_downwards_trend" = "\xf0\x9f\x93\x89",
	"bar_chart" = "\xf0\x9f\x93\x8a",
	"calendar" = "\xf0\x9f\x93\x85",
	"date" = "\xf0\x9f\x93\x85",
	"hourglass" = "\xe2\x8f\xb3",
	"hourglass_flowing_sand" = "\xe2\x8f\xb3",
	"clock" = "\xf0\x9f\x95\x90",
	"alarm_clock" = "\xe2\x8f\xb0",
	"stopwatch" = "\xe2\x8f\xb1",
	"watch" = "\xe2\x8c\x9a",
	"moneybag" = "\xf0\x9f\x92\xb0",
	"yen" = "\xf0\x9f\x92\xb4",
	"dollar" = "\xf0\x9f\x92\xb5",
	"euro" = "\xf0\x9f\x92\xb6",
	"pound" = "\xf0\x9f\x92\xb7",
	"money_with_wings" = "\xf0\x9f\x92\xb8",
	"credit_card" = "\xf0\x9f\x92\xb3",
	"gem" = "\xf0\x9f\x92\x8e",
	"bomb" = "\xf0\x9f\x92\xa3",
	"gift" = "\xf0\x9f\x8e\x81",
	"balloon" = "\xf0\x9f\x8e\x88",
	"tada" = "\xf0\x9f\x8e\x89",
	"confetti_ball" = "\xf0\x9f\x8e\x8a",
	"package" = "\xf0\x9f\x93\xa6",
	"mailbox" = "\xf0\x9f\x93\xab",
	"inbox_tray" = "\xf0\x9f\x93\xa5",
	"outbox_tray" = "\xf0\x9f\x93\xa4",
	"email" = "\xe2\x9c\x89\xef\xb8\x8f",
	"envelope" = "\xe2\x9c\x89\xef\xb8\x8f",
	"incoming_envelope" = "\xf0\x9f\x93\xa8",

	// Activities
	"soccer" = "\xe2\x9a\xbd",
	"basketball" = "\xf0\x9f\x8f\x80",
	"football" = "\xf0\x9f\x8f\x88",
	"baseball" = "\xe2\x9a\xbe",
	"tennis" = "\xf0\x9f\x8e\xbe",
	"8ball" = "\xf0\x9f\x8e\xb1",
	"bowling" = "\xf0\x9f\x8e\xb3",
	"video_game" = "\xf0\x9f\x8e\xae",
	"dart" = "\xf0\x9f\x8e\xaf",
	"game_die" = "\xf0\x9f\x8e\xb2",
	"slot_machine" = "\xf0\x9f\x8e\xb0",
	"cards" = "\xf0\x9f\x83\x8f",
	"black_joker" = "\xf0\x9f\x83\x9f",
	"mahjong" = "\xf0\x9f\x80\x84",
	"musical_note" = "\xf0\x9f\x8e\xb5",
	"notes" = "\xf0\x9f\x8e\xb6",
	"saxophone" = "\xf0\x9f\x8e\xb7",
	"guitar" = "\xf0\x9f\x8e\xb8",
	"musical_keyboard" = "\xf0\x9f\x8e\xb9",
	"trumpet" = "\xf0\x9f\x8e\xba",
	"violin" = "\xf0\x9f\x8e\xbb",
	"drum" = "\xf0\x9f\xa5\x81",
	"headphones" = "\xf0\x9f\x8e\xa7",
	"microphone" = "\xf0\x9f\x8e\xa4",
	"level_slider" = "\xf0\x9f\x8e\x9a",
	"control_knobs" = "\xf0\x9f\x8e\x9b",
	"ticket" = "\xf0\x9f\x8e\xab",
	"art" = "\xf0\x9f\x8e\xa8",
	"circus_tent" = "\xf0\x9f\x8e\xaa",
	"theater_masks" = "\xf0\x9f\x8e\xad",
	"clapper" = "\xf0\x9f\x8e\xac",

	// Travel
	"car" = "\xf0\x9f\x9a\x97",
	"taxi" = "\xf0\x9f\x9a\x95",
	"bus" = "\xf0\x9f\x9a\x8d",
	"train" = "\xf0\x9f\x9a\x86",
	"metro" = "\xf0\x9f\x9a\x87",
	"light_rail" = "\xf0\x9f\x9a\x88",
	"tram" = "\xf0\x9f\x9a\x8a",
	"bike" = "\xf0\x9f\x9a\xb2",
	"motorcycle" = "\xf0\x9f\x8f\x8d",
	"airplane" = "\xe2\x9c\x88\xef\xb8\x8f",
	"helicopter" = "\xf0\x9f\x9a\x81",
	"boat" = "\xe2\x9b\xb5",
	"sailboat" = "\xe2\x9b\xb5",
	"ship" = "\xf0\x9f\x9a\xa2",
	"fuelpump" = "\xe2\x9b\xbd",
	"construction" = "\xf0\x9f\x9a\xa7",
	"house" = "\xf0\x9f\x8f\xa0",
	"house_with_garden" = "\xf0\x9f\x8f\xa1",
	"office" = "\xf0\x9f\x8f\xa2",
	"post_office" = "\xf0\x9f\x8f\xa3",
	"hospital" = "\xf0\x9f\x8f\xa5",
	"bank" = "\xf0\x9f\x8f\xa6",
	"hotel" = "\xf0\x9f\x8f\xa8",
	"school" = "\xf0\x9f\x8f\xab",
	"department_store" = "\xf0\x9f\x8f\xac",
	"church" = "\xe2\x9b\xaa",
	"castle" = "\xf0\x9f\x8f\xb0",
	"factory" = "\xf0\x9f\x8f\xad",
	"tokyo_tower" = "\xf0\x9f\x97\xbc",
	"statue_of_liberty" = "\xf0\x9f\x97\xbd",
	"fountain" = "\xe2\x9b\xb2",
	"tent" = "\xe2\x9b\xba",
	"mountain" = "\xf0\x9f\x8f\x94",
	"snow_capped_mountain" = "\xf0\x9f\x8f\x94",
	"beach" = "\xf0\x9f\x8f\x96",
	"camping" = "\xf0\x9f\x8f\x95",
	"world_map" = "\xf0\x9f\x97\xba",
	"japan" = "\xf0\x9f\x97\xbe",
};

expand_emoji :: proc(text: string) -> string {
	if len(EMOJIS) == 0 {
		return text
	}

	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)
}