#!/usr/bin/env bash

# ---
# IMPORTANT: Use the following statement at the TOP OF EVERY TEST SCRIPT
#            to ensure that this package's 'bin/' subfolder is added to the path so that
#            this package's CLIs can be invoked by their mere filename in the rest
#            of the script.
# ---
PATH=${PWD%%/test*}/bin:$PATH

# Execute your tests as shell commands below. 
# An exit code of zero signals success, any other code signals an error
# and causes this test to fail.
# See https://github.com/tlevine/urchin.

# Helper function for error reporting.
die() { (( $# > 0 )) && echo "ERROR: $*" >&2; exit 1; }

getTerminalWinCount() {
  if [[ $TERM_PROGRAM == 'iTerm.app' ]]; then
    osascript -e 'tell application "iTerm.app" to count of windows'
  else # Terminal.app
    osascript -e 'tell application "Terminal" to count of windows'
  fi
}

getFrontTerminalWindowPwd() {

  # Create a temp. FILE
  local tmpFile=$(mktemp -t 'XXXX') # Works on both OSX and Linux; note: file will have random extension on OSX (e.g., '.../XXXX.bJViLcM3') and none on Linux (e.g., '.../vXDA')

  # Send `pwd` with redirection to a temp. file to the front Terminal window.
  # This is the most robust way to determine the working dir.
  if [[ $TERM_PROGRAM == 'iTerm.app' ]]; then
      # NOTE: Requires *iTerm2 v3+*, due to use of the new AppleScript syntax.
      osascript <<EOF >/dev/null
        tell application "iTerm.app" to tell the current session of the current window to write text "pwd >'${tmpFile}'"
EOF
  else # Terminal.app
      osascript <<EOF >/dev/null
        tell application "Terminal" to do script "pwd >'${tmpFile}'" in front window
EOF
  fi

  # !! We need to wait for the file to have content
  local timeout=5 i=0
  while [[ ! -s $tmpFile ]]; do
    sleep 1
    if (( ++i >= timeout )); then
      echo "TIMED OUT while waiting for cwd to be written to '$tmpFile'." >&2
      return 1
    fi
  done
  cat "$tmpFile"; rm "$tmpFile"  
}

closeFrontTerminalWindow() {
  if [[ $TERM_PROGRAM == 'iTerm.app' ]]; then
    osascript -e 'tell application "iTerm.app" to close front window'
  else # Terminal.app
    osascript -e 'tell application "Terminal" to close front window'
  fi
}

# ---------

# Point awf to the test workflows folder.
kTEMP_DIR_PATH="$(< '../_tmp_tmpdirpath')"
export AWF_TEST_WFSROOTFOLDER="$kTEMP_DIR_PATH/workflows"

[[ -d $kTEMP_DIR_PATH ]] || die "Test setup failure: Temp. folder created by ../setup_dir unexpectedly not found: $kTEMP_DIR_PATH"


# --------------  
echo "Changing to root folder of all installed workflows..."

winCountBefore=$(getTerminalWinCount)

cmd=( awf cd '/' )
"${cmd[@]}" || "Failed unexpectedly: \`${cmd[@]}\`"

winCountAfter=$(getTerminalWinCount)

(( winCountAfter > winCountBefore )) || die "No new Terminal window was created."

# Obtain the new Terminal window's current dir.
cwd=$(getFrontTerminalWindowPwd) || die "Failed to get cwd from front terminal window"

closeFrontTerminalWindow

[[ "$AWF_TEST_WFSROOTFOLDER" == "$cwd" ]] || die "Expected working dir '$AWF_TEST_WFSROOTFOLDER', got '$cwd'"

# ------------ 
echo "Changing to specific workflow folder by bundle ID..."

bundleid='net.same2u.stringlength.awf'
wfInstallPath=$(awf which "$bundleid") || die "Failed to determine workflow folder for bundle ID $bundleid"

winCountBefore=$(getTerminalWinCount)

cmd=( awf cd "$bundleid" )
"${cmd[@]}" || "Failed unexpectedly: \`${cmd[@]}\`"

winCountAfter=$(getTerminalWinCount)

(( winCountAfter > winCountBefore )) || die "No new Terminal window was created."

# Obtain the new Terminal window's current dir.
cwd=$(getFrontTerminalWindowPwd) || die "Failed to get cwd from front terminal window"

closeFrontTerminalWindow

[[ "$wfInstallPath" == "$cwd" ]] || die "Expected working dir '$wfInstallPath', got '$cwd'"

# Note: We don't bother testing -P (resolution of the symlink to the underlying dev folder),
#       because an equivalent test is performed for `awf which -P`, which uses the same
#       underlying functionality to resolve the path.