#!/bin/sh
cd ~/Library/Developer/CoreSimulator/Devices/

isVaildDeviceDir () {
    # echo $1
    # $1 is not directory or empty
    if ! [[ -d $1 ]] || ! [[ -n $1 ]] ; then
        return 1
    fi

    device_type=$(/usr/libexec/PlistBuddy -c "Print :deviceType" "$1/device.plist")
    # Skip apple watch device
    if [[ $device_type == com.apple.CoreSimulator.SimDeviceType.Apple-Watch* ]]; then
        return 1
    fi
    return 0
}

for f in $(ls -t)
do
    if isVaildDeviceDir $f; then
        break
    fi
done
cd $f

device_dir=$PWD
echo $device_dir
device_type=$(/usr/libexec/PlistBuddy -c "Print :deviceType" "device.plist")
device_name=$(/usr/libexec/PlistBuddy -c "Print :name" "device.plist")
echo "The latest updated iOS device is: $device_name ($device_type)"

# Find latest app bundle dir
cd "$device_dir/data/Containers/Bundle/Application"
app_bundle_dir=$(ls -t|head -1)
if [[ -z $app_bundle_dir ]]; then
    echo "Seems ths device doesnt have any application instead. $PWD"
    exit 1
fi

# Get the bundle, and id
cd $app_bundle_dir
app_bundle_dir=
for f in *.app
do
	app_bundle_dir=$f
done

if [[ -z $app_bundle_dir ]]; then
    echo "Cannot find a application bundle at $PWD"
    exit 1
fi

cd "$app_bundle_dir"
app_bundle_dir="$PWD"
app_bundle_id=$(/usr/libexec/PlistBuddy -c "Print :CFBundleIdentifier" "Info.plist")
echo "The latest updated application is: $app_bundle_id @$app_bundle_dir"

if [[ -z $app_bundle_id ]]; then
    echo "Error: invaild bundle id"
    exit 1
fi

# Find the right data container
cd "$device_dir/data/Containers/Data/Application"
isContainerForID() {
    if ! [[ -n $1 ]] || ! [[ -n $2 ]] ; then
        return 1
    fi
    local metadata="$1/.com.apple.mobile_container_manager.metadata.plist"
    if ! [ -f $metadata ]; then
        return 1
    fi
    local current_id=$(/usr/libexec/PlistBuddy -c "Print :MCMMetadataIdentifier" "$metadata")
    if ! [[ $current_id == $2 ]]; then
        return 1
    fi
    return 0
}
for f in $(ls -t)
do
    if isContainerForID $f $app_bundle_id; then
        cd $f
        echo "The latest application’s data container is: $PWD"
        open $PWD
        exit 0
    fi
done
echo "Cannot find the latest application’s data container."
exit 1