src/main/kotlin/moe/nea/ledger/NpcDetection.kt


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package moe.nea.ledger

import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
import java.util.regex.Pattern

class NpcDetection(val ledger: LedgerLogger, val ids: ItemIdProvider) {

    val npcBuyPattern =
        Pattern.compile("You bought (back )?(?<what>.*?) (x(?<count>$SHORT_NUMBER_PATTERN) )?for (?<coins>$SHORT_NUMBER_PATTERN) Coins!")
    val npcSellPattern =
        Pattern.compile("You sold (?<what>.*) (x(?<count>$SHORT_NUMBER_PATTERN) )?for (?<coins>$SHORT_NUMBER_PATTERN) Coins!")

    @SubscribeEvent
    fun onNpcBuy(event: ChatReceived) {
        npcBuyPattern.useMatcher(event.message) {
            ledger.logEntry(
                LedgerEntry(
                    "NPC_BUY",
                    event.timestamp,
                    parseShortNumber(group("coins")),
                    ids.findForName(group("what")),
                    group("count")?.let(::parseShortNumber)?.toInt() ?: 1,
                )
            )
        }
        npcSellPattern.useMatcher(event.message) {
            ledger.logEntry(
                LedgerEntry(
                    "NPC_SELL",
                    event.timestamp,
                    parseShortNumber(group("coins")),
                    ids.findForName(group("what")),
                    group("count")?.let(::parseShortNumber)?.toInt() ?: 1,
                )
            )
        }
    }
}