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# Hurry Curry! - a game about cooking
# Copyright (C) 2025 Hurry Curry! contributors
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, version 3 of the License only.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.
#
class_name MessageParser
extends Object

var raw: Dictionary
var kind := Kind.UNKNOWN
var result
var game: Game

enum Kind {
	ITEM,
	TILE,
	TEXT,
	TRANSLATION,
	UNKNOWN
}

func _init(raw_: Dictionary, game_: Game) -> void:
	raw = raw_
	game = game_
	if "text" in raw:
		kind = Kind.TEXT
		result = raw["text"]
	elif "translation" in raw:
		kind = Kind.TRANSLATION
		# TODO: move function here
		var params: Array = raw.translation.params.map(MessageParser.new.bind(game))
		var unformatted := tr(raw.translation.id)
		result = split_translation(unformatted, 0, params)
		if result.size() == 1 && result[0].kind == Kind.TEXT:
			kind = Kind.TEXT
			result = result[0].result
	elif "tile" in raw:
		kind = Kind.TILE
		result = game.tile_names[raw["tile"]]
	elif "item" in raw:
		kind = Kind.ITEM
		result = game.item_names[raw["item"]]

func split_translation(msgstr: String, idx: int, params: Array) -> Array:
	if msgstr.contains("{%d}" % idx):
		var s := msgstr.split("{%d}" % idx, true, 1)
		var l := split_translation(s[0], idx + 1, params)
		if params[idx].kind == Kind.TRANSLATION:
			l.append_array(params[idx].result)
		else:
			l.push_back(params[idx])
		var r := split_translation(s[1], idx + 1, params)
		l.append_array(r)
		var res := [l.front()]
		for e: MessageParser in l.slice(1):
			if res.back().kind == Kind.TEXT and e.kind == Kind.TEXT:
				res.back().result = "%s%s" % [res.back().result, e.result]
			else:
				res.push_back(e)
		return res
	else: return [] if msgstr.is_empty() else [MessageParser.new({"text": msgstr}, game)]