#!/usr/bin/env bats

load ../test_helper
load ../../lib/composure

# Determine which config file to use based on OS.
case $OSTYPE in
  darwin*)
    export BASH_IT_CONFIG_FILE=.bash_profile
    ;;
  *)
    export BASH_IT_CONFIG_FILE=.bashrc
    ;;
esac

function local_setup {
  mkdir -p $BASH_IT
  lib_directory="$(cd "$(dirname "$0")" && pwd)"
  cp -r $lib_directory/../../* $BASH_IT/

  # Don't pollute the user's actual $HOME directory
  # Use a test home directory instead
  export BASH_IT_TEST_CURRENT_HOME="${HOME}"
  export BASH_IT_TEST_HOME="$(cd "${BASH_IT}/.." && pwd)/BASH_IT_TEST_HOME"
  mkdir -p "${BASH_IT_TEST_HOME}"
  export HOME="${BASH_IT_TEST_HOME}"
}

function local_teardown {
  export HOME="${BASH_IT_TEST_CURRENT_HOME}"

  rm -rf "${BASH_IT_TEST_HOME}"

  assert_equal "${BASH_IT_TEST_CURRENT_HOME}" "${HOME}"
}

@test "uninstall: verify that the uninstall script exists" {
  assert [ -e "$BASH_IT/uninstall.sh" ]
}

@test "uninstall: run the uninstall script with an existing backup file" {
  cd "$BASH_IT"

  echo "test file content for backup" > "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE.bak"
  echo "test file content for original file" > "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE"
  local md5_bak=$(md5sum "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE.bak" | awk '{print $1}')

  ./uninstall.sh

  assert_success

  assert [ ! -e "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE.uninstall" ]
  assert [ ! -e "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE.bak" ]
  assert [ -e "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE" ]

  local md5_conf=$(md5sum "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE" | awk '{print $1}')

  assert_equal "$md5_bak" "$md5_conf"
}

@test "uninstall: run the uninstall script without an existing backup file" {
  cd "$BASH_IT"

  echo "test file content for original file" > "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE"
  local md5_orig=$(md5sum "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE" | awk '{print $1}')

  ./uninstall.sh

  assert_success

  assert [ -e "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE.uninstall" ]
  assert [ ! -e "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE.bak" ]
  assert [ ! -e "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE" ]

  local md5_uninstall=$(md5sum "$BASH_IT_TEST_HOME/$BASH_IT_CONFIG_FILE.uninstall" | awk '{print $1}')

  assert_equal "$md5_orig" "$md5_uninstall"
}