1 files changed, 70 insertions, 0 deletions
diff --git a/src/main/kotlin/moe/nea/ledger/BazaarOrderDetection.kt b/src/main/kotlin/moe/nea/ledger/BazaarOrderDetection.kt
new file mode 100644
index 0000000..79ba65b
--- /dev/null
+++ b/src/main/kotlin/moe/nea/ledger/BazaarOrderDetection.kt
@@ -0,0 +1,70 @@
+package moe.nea.ledger
+
+import moe.nea.ledger.mixin.AccessorGuiEditSign
+import net.minecraft.client.gui.inventory.GuiEditSign
+import net.minecraftforge.client.event.GuiScreenEvent
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
+import java.util.regex.Pattern
+
+class BazaarOrderDetection(val ledger: LedgerLogger, val ids: ItemIdProvider) {
+
+    val buyOrderClaimed =
+        Pattern.compile("\\[Bazaar] Claimed (?<amount>$SHORT_NUMBER_PATTERN)x (?<what>.*) worth (?<coins>$SHORT_NUMBER_PATTERN) coins? bought for $SHORT_NUMBER_PATTERN each!")
+    val sellOrderClaimed =
+        Pattern.compile("\\[Bazaar] Claimed (?<coins>$SHORT_NUMBER_PATTERN) coins? from selling (?<amount>$SHORT_NUMBER_PATTERN)x (?<what>.*) at $SHORT_NUMBER_PATTERN each!")
+    val orderFlipped =
+        Pattern.compile("\\[Bazaar] Order Flipped! (?<amount>$SHORT_NUMBER_PATTERN)x (?<what>.*) for (?<coins>$SHORT_NUMBER_PATTERN) coins? of total expected profit.")
+    val previousPricePattern =
+        Pattern.compile("(?<price>$SHORT_NUMBER_PATTERN)/u")
+    var lastFlippedPreviousPrice = 0.0
+
+    @SubscribeEvent
+    fun detectSignFlip(event: GuiScreenEvent.InitGuiEvent) {
+        val gui = event.gui
+        if (gui !is GuiEditSign) return
+        gui as AccessorGuiEditSign
+        val text = gui.tileEntity_ledger.signText
+        if (text[2].unformattedText != "Previous price:") return
+        previousPricePattern.useMatcher(text[3].unformattedText) {
+            lastFlippedPreviousPrice = parseShortNumber(group("price"))
+        }
+    }
+
+    @SubscribeEvent
+    fun detectBuyOrders(event: ChatReceived) {
+        orderFlipped.useMatcher(event.message) {
+            val amount = parseShortNumber(group("amount")).toInt()
+            ledger.logEntry(
+                LedgerEntry(
+                    "BAZAAR_BUY_ORDER",
+                    event.timestamp,
+                    lastFlippedPreviousPrice * amount,
+                    ids.findForName(group("what")),
+                    amount,
+                )
+            )
+        }
+        buyOrderClaimed.useMatcher(event.message) {
+            ledger.logEntry(
+                LedgerEntry(
+                    "BAZAAR_BUY_ORDER",
+                    event.timestamp,
+                    parseShortNumber(group("coins")),
+                    ids.findForName(group("what")),
+                    parseShortNumber(group("amount")).toInt(),
+                )
+            )
+        }
+        sellOrderClaimed.useMatcher(event.message) {
+            ledger.logEntry(
+                LedgerEntry(
+                    "BAZAAR_SELL_ORDER",
+                    event.timestamp,
+                    parseShortNumber(group("coins")),
+                    ids.findForName(group("what")),
+                    parseShortNumber(group("amount")).toInt(),
+                )
+            )
+        }
+    }
+}