import logging

FORMAT = "[%(levelname)s] %(name)s %(filename)s:%(lineno)d: %(message)s"
logging.basicConfig(format=FORMAT)
logging.getLogger().setLevel(logging.DEBUG)

import androscalpel as asc
import zipfile as z
from androscalpel import *

# APK_NAME = "test.apk"
APK_NAME = "/home/histausse/workspace/androscalpel/apk_frauder/app-release.apk"
DEX_NAME = "classes.dex"

with z.ZipFile(APK_NAME) as zipf:
    with zipf.open(DEX_NAME, "r") as dex:
        dex = dex.read()

apk = asc.Apk()
apk.add_dex_file(dex)

clazz_id = IdType("Lcom/example/testapplication/ui/home/HomeViewModel;")
proto_id = IdMethodType(IdType("Ljava/lang/String;"), [])
method_id = IdMethod("text_gen", proto_id, clazz_id)

clazz = apk.classes[clazz_id]
method = clazz.virtual_methods[method_id]

print("Code of {method_id}")
for i in method.code.insns:
    print(i)

new_insns = []
for i in method.code.insns:
    if isinstance(i, asc.ins.ConstString):
        if i.lit == "Hello":
            i.lit = DexString("Degemer Mat")
        elif i.lit == "Bye":
            i.lit = DexString("Kenavo")
    new_insns.append(i)

# This need improving!
new_code = method.code
new_code.insns = new_insns
method.code = new_code
clazz.virtual_methods[method_id] = method
apk.classes[clazz_id] = clazz


dex_raw = apk.gen_raw_dex()