#!/usr/bin/env bats
# shellcheck disable=SC2012

load test_helper

# index rebuild ###############################################################

@test "'index rebuild' skips common temporary files." {
  {
    "${_NB}" init

    "${_NB}" add "File One.md"    --content "Example content one."
    sleep 1

    "${_NB}" add "File Two.md"    --content "Example content two."
    sleep 1

    "${_NB}" add "File Three.md"  --content "Example content three."
    sleep 1

    declare _temp_filenames=(
      "Example Temp One.md~"
      "#Example Temp Two.md#"
      "Example Temp Three.md.swp"
      "Example Temp Four.md.swap"
      ".#Example Temp Five.md"
    )

    declare __filename=
    for     __filename in "${_temp_filenames[@]:-}"
    do
      "${_NB}" run touch "${__filename:-}"

      [[ -f "${NB_DIR}/home/${__filename:-}" ]]
    done

    echo "" > "${NB_DIR}/home/.index"

    [[ "$(cat "${NB_DIR}/home/.index")" == "" ]]
  }

  run "${_NB}" index rebuild

  printf "\${status}: '%s'\\n" "${status}"
  printf "\${output}: '%s'\\n" "${output}"

  ls -t -r "${NB_DIR}/home"
  cat "${NB_DIR}/home/.index"

  [[ "${status}" -eq 0 ]]

  diff                              \
    <(cat "${NB_DIR}/home/.index")  \
    <(cat <<HEREDOC
File One.md
File Two.md
File Three.md
HEREDOC
    )
}

@test "'index rebuild' rebuilds the index." {
  {
    "${_NB}" init
    "${_NB}" add "first.md"  --title "one"
    "${_NB}" add "second.md" --title "two"
    "${_NB}" add "third.md"  --title "three"

    "${_NB}" edit "second.md" --content "New content."

    echo "" > "${NB_DIR}/home/.index"

    [[ "$(cat "${NB_DIR}/home/.index")" == "" ]]
  }

  run "${_NB}" index rebuild

  printf "\${status}: '%s'\\n" "${status}"
  printf "\${output}: '%s'\\n" "${output}"

  ls -t -r "${NB_DIR}/home"

  [[ "${status}" -eq 0                                                  ]]
  [[ "$(cat "${NB_DIR}/home/.index")" == "$(ls -t -r "${NB_DIR}/home")" ]]
}

@test "'index rebuild' creates git commit." {
  {
    "${_NB}" init
    "${_NB}" add

    _files=($(ls "${NB_DIR}/home/")) && _filename="${_files[0]}"

    "${_NB}" delete "${_filename}" --force
    "${_NB}" add
  }

  run "${_NB}" index rebuild

  cd "${NB_DIR}/home" || return 1
  printf "\$(git log): '%s'\n" "$(git log)"
  while [[ -n "$(git status --porcelain)" ]]
  do
    sleep 1
  done
  git log | grep -q '\[nb\] Rebuild Index'
}

@test "'index rebuild' with no index creates git commit with operation-specific message." {
  {
    "${_NB}" init
    "${_NB}" notebooks add one
    "${_NB}" use one
    "${_NB}" add --filename "example.md"

    [[   -e "${NB_DIR:?}/one/.index"      ]]
    [[   -e "${NB_DIR:?}/one/example.md"  ]]

    rm "${NB_DIR:?}/one/.index"

    "${_NB}" git checkpoint

    [[ ! -e "${NB_DIR:?}/one/.index"      ]]
    [[   -e "${NB_DIR:?}/one/example.md"  ]]

    printf "End setup.\\n"
  }

  run "${_NB}" index rebuild

  [[ "${status}" == 0                   ]]

  [[   -e "${NB_DIR:?}/one/.index"      ]]
  [[   -e "${NB_DIR:?}/one/example.md"  ]]

  diff <(cat "${NB_DIR:?}/one/.index") <(printf "example.md\\n")

  cd "${NB_DIR:?}/one" || return 1

  git log --stat

  while [[ -n "$(git status --porcelain)" ]]
  do
    sleep 1
  done
  git log | grep -q '\[nb\] Initialize Index'
}