#!/sbin/sh

#################
# Initialization
#################

umask 022

# Global vars
TMPDIR=/dev/tmp
PERSISTDIR=/sbin/.magisk/mirror/persist

rm -rf $TMPDIR 2>/dev/null
mkdir -p $TMPDIR

# echo before loading util_functions
ui_print() { echo "$1"; }

require_new_magisk() {
  ui_print "*******************************"
  ui_print " 请更新Magisk至v16.6+! "
  ui_print "*******************************"
  exit 1
}

is_legacy_script() {
  unzip -l "$ZIPFILE" install.sh | grep -q install.sh
  return $?
}

print_modname() {
    ui_print "- 夢月時歌"
    ui_print "- 开始进行安装模块..."
    ui_print "- 开启MIUI主题破解，1.7.0.1版本" 
    ui_print "- 有效防止主题恢复默认，设置中...."
}

##############
# Environment
##############

OUTFD=$2
ZIPFILE=$3

mount /data 2>/dev/null

# Load utility functions
[ -f /data/adb/magisk/util_functions.sh ] || require_new_magisk
. /data/adb/magisk/util_functions.sh
[ $MAGISK_VER_CODE -gt 18100 ] || require_new_magisk

# Preperation for flashable zips
setup_flashable

# Mount partitions
mount_partitions

# Detect version and architecture
api_level_arch_detect

# Setup busybox and binaries
$BOOTMODE && boot_actions || recovery_actions

##############
# Preparation
##############

# Extract prop file
unzip -o "$ZIPFILE" module.prop -d $TMPDIR >&2
[ ! -f $TMPDIR/module.prop ] && abort "! Unable to extract zip file!"

$BOOTMODE && MODDIRNAME=modules_update || MODDIRNAME=modules
MODULEROOT=$NVBASE/$MODDIRNAME
MODID=`grep_prop id $TMPDIR/module.prop`
MODPATH=$MODULEROOT/$MODID
MODNAME=`grep_prop name $TMPDIR/module.prop`

# Create mod paths
rm -rf $MODPATH 2>/dev/null
mkdir -p $MODPATH

##########
# Install
##########

if is_legacy_script; then
  unzip -oj "$ZIPFILE" module.prop install.sh uninstall.sh 'common/*' -d $TMPDIR >&2

  # Load install script
  . $TMPDIR/install.sh

  # Callbacks
  print_modname
  on_install

  # Custom uninstaller
  [ -f $TMPDIR/uninstall.sh ] && cp -af $TMPDIR/uninstall.sh $MODPATH/uninstall.sh

  # Skip mount
  $SKIPMOUNT && touch $MODPATH/skip_mount

  # prop file
  $PROPFILE && cp -af $TMPDIR/system.prop $MODPATH/system.prop

  # Module info
  cp -af $TMPDIR/module.prop $MODPATH/module.prop

  # post-fs-data scripts
  $POSTFSDATA && cp -af $TMPDIR/post-fs-data.sh $MODPATH/post-fs-data.sh

  # service scripts
  $LATESTARTSERVICE && cp -af $TMPDIR/service.sh $MODPATH/service.sh

  set_permissions
else
  print_modname

  unzip -o "$ZIPFILE" customize.sh -d $MODPATH >&2

  if ! grep -q '^SKIPUNZIP=1$' $MODPATH/customize.sh 2>/dev/null; then
    unzip -o "$ZIPFILE" -x 'META-INF/*' -d $MODPATH >&2

###########
#权限配置
  # 下面是 set_perm 函数的一些示例:

  # set_perm_recursive  <目录>                <所有者> <用户组> <目录权限> <文件权限> <上下文> (默认值是: u:object_r:system_file:s0)
  # set_perm_recursive  $MODPATH/system/lib       0       0       0755        0644

  # set_perm  <文件名>                         <所有者> <用户组> <文件权限> <上下文> (默认值是: u:object_r:system_file:s0)
  # set_perm  $MODPATH/system/bin/app_process32   0       2000      0755       u:object_r:zygote_exec:s0
  # set_perm  $MODPATH/system/bin/dex2oat         0       2000      0755       u:object_r:dex2oat_exec:s0
  # set_perm  $MODPATH/system/lib/libart.so       0       0         0644

  # 以下是默认权限，请勿删除
  set_perm_recursive  $MODPATH  0  0  0755  0644
##########
  fi

  # Load customization script
  [ -f $MODPATH/customize.sh ] && . $MODPATH/customize.sh
fi

# Handle replace folders
for TARGET in $REPLACE; do
  mktouch $MODPATH$TARGET/.replace
done

if $BOOTMODE; then
  # Update info for Magisk Manager
  mktouch $NVBASE/modules/$MODID/update
  cp -af $MODPATH/module.prop $NVBASE/modules/$MODID/module.prop
fi

# Copy over custom sepolicy rules
if [ -f $MODPATH/sepolicy.rule -a -e $PERSISTDIR ]; then
  PERSISTMOD=$PERSISTDIR/magisk/$MODID
  mkdir -p $PERSISTMOD
  cp -af $MODPATH/sepolicy.rule $PERSISTMOD/sepolicy.rule
fi

# Remove stuffs that don't belong to modules
rm -rf \
$MODPATH/system/placeholder $MODPATH/customize.sh \
$MODPATH/README.md $MODPATH/.git* 2>/dev/null

##############
# Finalizing
##############

cd /
$BOOTMODE || recovery_cleanup
rm -rf $TMPDIR

ui_print "- 安装完成，重启即可"
exit 0
