#!/usr/bin/env bash

# --- Shared functions ---
reply_equals() {
  local reply=$(declare -p COMPREPLY)
  local expected=$1

  if [ "$reply" = "$expected" ]; then
    echo "${FUNCNAME[1]}: ok"
  else
    exit_code=1
    echo >&2 "${FUNCNAME[1]}: failed! Completion for \`${COMP_WORDS[*]}\` does not match."

    echo
    diff -U3 --label expected <(echo "$expected") --label actual <(echo "$reply") >&2
    echo
  fi
}

# --- Initial Setup ---
source "$1"
cd tests/completions
cargo build
PATH="$(git rev-parse --show-toplevel)/target/debug:$PATH"
exit_code=0

# --- Tests ---
test_complete_all_recipes() {
  COMP_WORDS=(just)
  COMP_CWORD=1 _just just
  reply_equals 'declare -a COMPREPLY=([0]="deploy" [1]="install" [2]="publish" [3]="push" [4]="test")'
}
test_complete_all_recipes

test_complete_recipes_starting_with_i() {
  COMP_WORDS=(just i)
  COMP_CWORD=1 _just just
  reply_equals 'declare -a COMPREPLY=([0]="install")'
}
test_complete_recipes_starting_with_i

test_complete_recipes_starting_with_p() {
  COMP_WORDS=(just p)
  COMP_CWORD=1 _just just
  reply_equals 'declare -a COMPREPLY=([0]="publish" [1]="push")'
}
test_complete_recipes_starting_with_p

test_complete_recipes_from_subdirs() {
  COMP_WORDS=(just subdir/)
  COMP_CWORD=1 _just just
  reply_equals 'declare -a COMPREPLY=([0]="subdir/special" [1]="subdir/surprise")'
}
test_complete_recipes_from_subdirs

# --- Conclusion ---
if [ $exit_code = 0 ]; then
  echo "All tests passed."
else
  echo "Some test[s] failed."
fi

exit $exit_code