1 files changed, 73 insertions, 0 deletions
diff --git a/src/main/java/moe/nea/ledger/AuctionHouseDetection.kt b/src/main/java/moe/nea/ledger/AuctionHouseDetection.kt
new file mode 100644
index 0000000..b9d76c5
--- /dev/null
+++ b/src/main/java/moe/nea/ledger/AuctionHouseDetection.kt
@@ -0,0 +1,73 @@
+package moe.nea.ledger
+
+import net.minecraft.client.gui.inventory.GuiChest
+import net.minecraft.inventory.ContainerChest
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
+import java.util.regex.Pattern
+
+class AuctionHouseDetection(val ledger: LedgerLogger, val ids: ItemIdProvider) {
+    data class LastViewedItem(
+        val count: Int,
+        val id: String,
+    )
+    /*
+        You collected 8,712,000 coins from selling Ultimate Carrot Candy Upgrade to [VIP] kodokush in an auction!
+        You collected 60,000 coins from selling Walnut to [MVP++] Alea1337 in an auction!
+        You purchased 2x Walnut for 69 coins!
+        You purchased ◆ Ice Rune I for 4,000 coins!
+     */
+
+    val collectSold =
+        Pattern.compile("You collected (?<coins>$SHORT_NUMBER_PATTERN) coins? from selling (?<what>.*) to (?<buyer>.*) in an auction!")
+    val purchased =
+        Pattern.compile("You purchased (?:(?<amount>[0-9]+)x )?(?<what>.*) for (?<coins>$SHORT_NUMBER_PATTERN) coins!")
+    var lastViewedItem: LastViewedItem? = null
+
+    @SubscribeEvent
+    fun onEvent(event: ChatReceived) {
+        collectSold.useMatcher(event.message) {
+            ledger.logEntry(
+                LedgerEntry(
+                    "AUCTION_SOLD",
+                    event.timestamp,
+                    parseShortNumber(group("coins")),
+                    lastViewedItem?.id,
+                    lastViewedItem?.count
+                )
+            )
+        }
+        purchased.useMatcher(event.message) {
+            ledger.logEntry(
+                LedgerEntry(
+                    "AUCTION_BOUGHT",
+                    event.timestamp,
+                    parseShortNumber(group("coins")),
+                    ids.findForName(group("what")),
+                    group("amount")?.let { it.toInt() } ?: 1
+                )
+            )
+        }
+    }
+
+    @SubscribeEvent
+    fun onBeforeAuctionCollected(event: BeforeGuiAction) {
+        // TODO: collect all support
+        val chest = (event.gui as? GuiChest) ?: return
+        val slots = chest.inventorySlots as ContainerChest
+        val name = slots.lowerChestInventory.displayName.unformattedText.unformattedString()
+
+        if (name == "BIN Auction View" || name == "Auction View") {
+            handleCollectSingleAuctionView(slots)
+        }
+    }
+
+
+    fun handleCollectSingleAuctionView(slots: ContainerChest) {
+        val soldItem = slots.lowerChestInventory.getStackInSlot(9 + 4) ?: return
+        val id = soldItem.getInternalId() ?: return
+        val count = soldItem.stackSize
+        lastViewedItem = LastViewedItem(count, id)
+    }
+
+
+}