# shellcheck disable=SC2034
SKIPUNZIP=1

ZYGISK_API="@ZYGISK_API@"

if [ $BOOTMODE ] && [ "$KSU" == "true" ]; then
  ui_print "- Installing from KernelSU app"
else
  ui_print "*********************************************************"
  ui_print "! Install from recovery or Magisk is NOT supported"
  ui_print "! Please install from KernelSU app"
  abort "*********************************************************"
fi

VERSION=$(grep_prop version "${TMPDIR}/module.prop")
ui_print "- Installing Zygisksu $VERSION (ZYGISK API $ZYGISK_API)"

# check KernelSU
# ui_print "- KernelSU version: $KSU_VER ($KSU_VER_CODE)"

# check android
if [ "$API" -lt 29 ]; then
  ui_print "! Unsupported sdk: $API"
  abort "! Minimal supported sdk is 29 (Android 10.0)"
else
  ui_print "- Device sdk: $API"
fi

# check architecture
if [ "$ARCH" != "arm" ] && [ "$ARCH" != "arm64" ] && [ "$ARCH" != "x86" ] && [ "$ARCH" != "x64" ]; then
  abort "! Unsupported platform: $ARCH"
else
  ui_print "- Device platform: $ARCH"
fi

ui_print "- Extracting verify.sh"
unzip -o "$ZIPFILE" 'verify.sh' -d "$TMPDIR" >&2
if [ ! -f "$TMPDIR/verify.sh" ]; then
  ui_print "*********************************************************"
  ui_print "! Unable to extract verify.sh!"
  ui_print "! This zip may be corrupted, please try downloading again"
  abort "*********************************************************"
fi
. "$TMPDIR/verify.sh"
extract "$ZIPFILE" 'customize.sh' "$TMPDIR/.vunzip"
extract "$ZIPFILE" 'verify.sh' "$TMPDIR/.vunzip"

ui_print "- Extracting module files"
extract "$ZIPFILE" 'daemon.sh'       "$MODPATH"
extract "$ZIPFILE" 'module.prop'     "$MODPATH"
extract "$ZIPFILE" 'post-fs-data.sh' "$MODPATH"
extract "$ZIPFILE" 'service.sh'      "$MODPATH"

HAS32BIT=false && [ -d "/system/lib" ] && HAS32BIT=true
HAS64BIT=false && [ -d "/system/lib64" ] && HAS64BIT=true

mkdir "$MODPATH/bin"
mkdir "$MODPATH/system"
[ "$HAS32BIT" = true ] && mkdir "$MODPATH/system/lib"
[ "$HAS64BIT" = true ] && mkdir "$MODPATH/system/lib64"

if [ "$ARCH" = "x86" ] || [ "$ARCH" = "x64" ]; then
  if [ "$HAS32BIT" = ture ]; then
    ui_print "- Extracting x86 libraries"
    extract "$ZIPFILE" 'bin/x86/zygiskd' "$MODPATH/bin/zygiskd32" true
    rename "$MODPATH/bin/zygiskd" "$MODPATH/bin/zygiskd32"
    extract "$ZIPFILE" 'lib/x86/libinjector.so' "$MODPATH/system/lib" true
    extract "$ZIPFILE" 'lib/x86/libzygiskloader.so' "$MODPATH/system/lib" true
    ln -sf "zygiskd32" "$MODPATH/bin/zygiskwd"
  fi

  if [ "$HAS64BIT" = true ]; then
    ui_print "- Extracting x64 libraries"
    extract "$ZIPFILE" 'bin/x86_64/zygiskd' "$MODPATH/bin/zygiskd64" true
    rename "$MODPATH/bin/zygiskd" "$MODPATH/bin/zygiskd64"
    extract "$ZIPFILE" 'lib/x86_64/libinjector.so' "$MODPATH/system/lib64" true
    extract "$ZIPFILE" 'lib/x86_64/libzygiskloader.so' "$MODPATH/system/lib64" true
    ln -sf "zygiskd64" "$MODPATH/bin/zygiskwd"
  fi
else
  if [ "$HAS32BIT" = true ]; then
    ui_print "- Extracting arm libraries"
    extract "$ZIPFILE" 'bin/armeabi-v7a/zygiskd' "$MODPATH/bin" true
    rename "$MODPATH/bin/zygiskd" "$MODPATH/bin/zygiskd32"
    extract "$ZIPFILE" 'lib/armeabi-v7a/libinjector.so' "$MODPATH/system/lib" true
    extract "$ZIPFILE" 'lib/armeabi-v7a/libzygiskloader.so' "$MODPATH/system/lib" true
    ln -sf "zygiskd32" "$MODPATH/bin/zygiskwd"
  fi

  if [ "$HAS64BIT" = true ]; then
    ui_print "- Extracting arm64 libraries"
    extract "$ZIPFILE" 'bin/arm64-v8a/zygiskd' "$MODPATH/bin" true
    rename "$MODPATH/bin/zygiskd" "$MODPATH/bin/zygiskd64"
    extract "$ZIPFILE" 'lib/arm64-v8a/libinjector.so' "$MODPATH/system/lib64" true
    extract "$ZIPFILE" 'lib/arm64-v8a/libzygiskloader.so' "$MODPATH/system/lib64" true
    ln -sf "zygiskd64" "$MODPATH/bin/zygiskwd"
  fi
fi

ui_print "- Hex patching"
SOCKET_PATCH=$(tr -dc 'a-f0-9' </dev/urandom | head -c 18)
if [ "$HAS32BIT" = true ]; then
  sed -i "s/socket_placeholder/$SOCKET_PATCH/g" "$MODPATH/bin/zygiskd32"
  sed -i "s/socket_placeholder/$SOCKET_PATCH/g" "$MODPATH/system/lib/libinjector.so"
  sed -i "s/socket_placeholder/$SOCKET_PATCH/g" "$MODPATH/system/lib/libzygiskloader.so"
fi
if [ "$HAS64BIT" = true ]; then
  sed -i "s/socket_placeholder/$SOCKET_PATCH/g" "$MODPATH/bin/zygiskd64"
  sed -i "s/socket_placeholder/$SOCKET_PATCH/g" "$MODPATH/system/lib64/libinjector.so"
  sed -i "s/socket_placeholder/$SOCKET_PATCH/g" "$MODPATH/system/lib64/libzygiskloader.so"
fi

ui_print "- Setting permissions"
chmod 0744 "$MODPATH/daemon.sh"
set_perm_recursive "$MODPATH/bin" 0 2000 0755 0755
set_perm_recursive "$MODPATH/system/lib" 0 0 0755 0644 u:object_r:system_lib_file:s0

# If Huawei's Maple is enabled, system_server is created with a special way which is out of Zygisk's control
HUAWEI_MAPLE_ENABLED=$(grep_prop ro.maple.enable)
if [ "$HUAWEI_MAPLE_ENABLED" == "1" ]; then
  ui_print "- Add ro.maple.enable=0"
  echo "ro.maple.enable=0" >>"$MODPATH/system.prop"
fi