# ------------------------------------------------------------------------------
#          FILE:  osx.plugin.zsh
#   DESCRIPTION:  oh-my-zsh plugin file.
#        AUTHOR:  Sorin Ionescu (sorin.ionescu@gmail.com)
#       VERSION:  1.1.0
# ------------------------------------------------------------------------------

function _omz_osx_get_frontmost_app() {
  local the_app=$(
    osascript 2>/dev/null <<EOF
      tell application "System Events"
        name of first item of (every process whose frontmost is true)
      end tell
EOF
  )
  echo "$the_app"
}

function tab() {
  # Must not have trailing semicolon, for iTerm compatibility
  local command="cd \\\"$PWD\\\"; clear"
  (( $# > 0 )) && command="${command}; $*"

  local the_app=$(_omz_osx_get_frontmost_app)

  if [[ "$the_app" == 'Terminal' ]]; then
    # Discarding stdout to quash "tab N of window id XXX" output
    osascript >/dev/null <<EOF
      tell application "System Events"
        tell process "Terminal" to keystroke "t" using command down
      end tell
      tell application "Terminal" to do script "${command}" in front window
EOF

  elif [[ "$the_app" == 'iTerm' ]]; then
    osascript <<EOF
      tell application "iTerm"
        set current_terminal to current terminal
        tell current_terminal
          launch session "Default Session"
          set current_session to current session
          tell current_session
            write text "${command}"
          end tell
        end tell
      end tell
EOF

  else
    echo "tab: unsupported terminal app: $the_app"
    false

  fi
}

function vsplit_tab() {
  local command="cd \\\"$PWD\\\"; clear"
  (( $# > 0 )) && command="${command}; $*"

  local the_app=$(_omz_osx_get_frontmost_app)

  if [[ "$the_app" == 'iTerm' ]]; then
    osascript <<EOF
      -- tell application "iTerm" to activate

      tell application "System Events"
        tell process "iTerm"
          tell menu item "Split Vertically With Current Profile" of menu "Shell" of menu bar item "Shell" of menu bar 1
            click
          end tell
        end tell
        keystroke "${command} \n"
      end tell
EOF

  else
    echo "$0: unsupported terminal app: $the_app" >&2
    false

  fi
}

function split_tab() {
  local command="cd \\\"$PWD\\\"; clear"
  (( $# > 0 )) && command="${command}; $*"

  local the_app=$(_omz_osx_get_frontmost_app)

  if [[ "$the_app" == 'iTerm' ]]; then
    osascript 2>/dev/null <<EOF
      tell application "iTerm" to activate

      tell application "System Events"
        tell process "iTerm"
          tell menu item "Split Horizontally With Current Profile" of menu "Shell" of menu bar item "Shell" of menu bar 1
            click
          end tell
        end tell
        keystroke "${command} \n"
      end tell
EOF

  else
    echo "$0: unsupported terminal app: $the_app" >&2
    false

  fi
}

function pfd() {
  osascript 2>/dev/null <<EOF
    tell application "Finder"
      return POSIX path of (target of window 1 as alias)
    end tell
EOF
}

function pfs() {
  osascript 2>/dev/null <<EOF
    set output to ""
    tell application "Finder" to set the_selection to selection
    set item_count to count the_selection
    repeat with item_index from 1 to count the_selection
      if item_index is less than item_count then set the_delimiter to "\n"
      if item_index is item_count then set the_delimiter to ""
      set output to output & ((item item_index of the_selection as alias)'s POSIX path) & the_delimiter
    end repeat
EOF
}

function cdf() {
  cd "$(pfd)"
}

function pushdf() {
  pushd "$(pfd)"
}

function quick-look() {
  (( $# > 0 )) && qlmanage -p $* &>/dev/null &
}

function man-preview() {
  man -t "$@" | open -f -a Preview
}

function vncviewer() {
  open vnc://$@
}

# iTunes control function
function itunes() {
	local opt=$1
	shift
	case "$opt" in
		launch|play|pause|stop|rewind|resume|quit)
			;;
		mute)
			opt="set mute to true"
			;;
		unmute)
			opt="set mute to false"
			;;
		next|previous)
			opt="$opt track"
			;;
		vol)
			opt="set sound volume to $1" #$1 Due to the shift
			;;
		shuf|shuff|shuffle)
			# The shuffle property of current playlist can't be changed in iTunes 12,
			# so this workaround uses AppleScript to simulate user input instead.
			# Defaults to toggling when no options are given.
			# The toggle option depends on the shuffle button being visible in the Now playing area.
			# On and off use the menu bar items.
			local state=$1

			if [[ -n "$state" && ! "$state" =~ "^(on|off|toggle)$" ]]
			then
				print "Usage: itunes shuffle [on|off|toggle]. Invalid option."
				return 1
			fi

			case "$state" in
				on|off)
					# Inspired by: http://stackoverflow.com/a/14675583
					osascript 1>/dev/null 2>&1 <<-EOF
					tell application "System Events" to perform action "AXPress" of (menu item "${state}" of menu "Shuffle" of menu item "Shuffle" of menu "Controls" of menu bar item "Controls" of menu bar 1 of application process "iTunes" )
EOF
					return 0
					;;
				toggle|*)
					osascript 1>/dev/null 2>&1 <<-EOF
					tell application "System Events" to perform action "AXPress" of (button 2 of process "iTunes"'s window "iTunes"'s scroll area 1)
EOF
					return 0
					;;
			esac
			;;
		""|-h|--help)
			echo "Usage: itunes <option>"
			echo "option:"
			echo "\tlaunch|play|pause|stop|rewind|resume|quit"
			echo "\tmute|unmute\tcontrol volume set"
			echo "\tnext|previous\tplay next or previous track"
			echo "\tshuf|shuffle [on|off|toggle]\tSet shuffled playback. Default: toggle. Note: toggle doesn't support the MiniPlayer."
			echo "\tvol\tSet the volume, takes an argument from 0 to 100"
			echo "\thelp\tshow this message and exit"
			return 0
			;;
		*)
			print "Unknown option: $opt"
			return 1
			;;
	esac
	osascript -e "tell application \"iTunes\" to $opt"
}