revanced-patches/src/main/kotlin/app/revanced/patches/messenger/inputfield/patch/DisableSwitchingEmojiToStickerPatch.kt

package app.revanced.patches.messenger.inputfield.patch

import app.revanced.patcher.data.BytecodeContext
import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
import app.revanced.patcher.patch.BytecodePatch
import app.revanced.patcher.patch.annotation.CompatiblePackage
import app.revanced.patcher.patch.annotation.Patch
import app.revanced.patches.messenger.inputfield.fingerprints.SwitchMessangeInputEmojiButtonFingerprint
import app.revanced.util.exception
import com.android.tools.smali.dexlib2.iface.instruction.OneRegisterInstruction

@Patch(
    name = "Disable switching emoji to sticker",
    description = "Disables switching from emoji to sticker search mode in message input field.",
    compatiblePackages = [CompatiblePackage("com.facebook.orca")]
)
@Suppress("unused")
object DisableSwitchingEmojiToStickerPatch : BytecodePatch(
    setOf(SwitchMessangeInputEmojiButtonFingerprint)
) {
    override fun execute(context: BytecodeContext) {
        SwitchMessangeInputEmojiButtonFingerprint.result?.let {
            val setStringIndex = it.scanResult.patternScanResult!!.startIndex + 2

            it.mutableMethod.apply {
                val targetRegister = getInstruction<OneRegisterInstruction>(setStringIndex).registerA

                replaceInstruction(
                    setStringIndex,
                    "const-string v$targetRegister, \"expression\""
                )
            }
        } ?: throw SwitchMessangeInputEmojiButtonFingerprint.exception
    }
}