#!/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 " Please install Magisk v19.0+! "
	ui_print "******************************"
	exit 1
}

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

print_modname() {
	local len
	len=`echo -n $MODNAME | wc -c`
	len=$((len + 2))
	local pounds=`printf "%${len}s" | tr ' ' '*'`
	ui_print "******************************"
	ui_print " Powered by Magisk (@Bugme7) "
	ui_print "******************************"
}

##############
# 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 "! 无法解压zip文件!"

$BOOTMODE && MODDIRNAME=modules_update || MODDIRNAME=modules
MODULEROOT=$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 service.sh system.prop '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

#	ui_print "-----------------------------"
#	ui_print "- 设置开机脚本"
	set_permissions
else
	print_modname

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

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

		# Default permissions
		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
	ui_print "- Replace target: $TARGET"
	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 $PERSISTDIR ]; then
	ui_print "- Installing custom sepolicy patch"
	PERSISTMOD=$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 "- 完成"
ui_print "- 有Bug请反馈(带上系统/Magisk版本)"
exit 0
