#!/bin/sh

set -eu

# Load helper methods
. "sh/info.sh"

# Load helper methods
. "sh/helper.sh"

# Load theme
. "sh/theme.sh"

# Load AWK scripts
. "sh/awk.sh"

# Load tools
. "sh/tools.sh"

# Load MusicBrainz and Discogs methods
. "sh/api.sh"

# Load preview methods
. "sh/preview.sh"

if [ "${1:-}" = "--internal-preview-artist" ]; then
  __preview_artist "$2"
  exit 0
fi

if [ "${1:-}" = "--internal-reload" ]; then
  sleep 2
  while [ -f "$LOCKFILE" ]; do
    sleep 1
  done
  cat "$RESULTS"
  exit 0
fi

if [ "${1:-}" = "--internal-search" ]; then
  printf "" >"$RESULTS"
  if [ -f "$PIDFILE" ]; then
    pid=$(cat "$PIDFILE")
    rm -f "$PIDFILE"
    kill -9 "$pid" >/dev/null 2>&1 || true
  fi
  [ ! "${2}" ] && exit 0
  # Save current pid
  echo "$$" >"$PIDFILE"
  sleep 1
  touch "$LOCKFILE"
  mb_search_artists "$2" |
    $JQ -r '.artists[] | [.id, .type, .name, .disambiguation, .["life-span"].begin, .["life-span"].end] | join("\t")' |
    awk \
      -F "\t" \
      -v format_person="$FORMAT_PERSON" \
      -v format_group="$FORMAT_GROUP" \
      -v format_disambiguation="$FORMAT_DISAMBIGUATION" \
      "$AWK_ARTISTS" |
    tee "$RESULTS" ||
    true
  rm -f "$LOCKFILE" "$PIDFILE"
  exit 0
fi

if [ "${1:-}" = "--internal-browse-artist" ]; then
  mb_browse_release_groups "$2" |
    $JQ -r '."release-groups"[] | [
  .id,
  ."primary-type",
  (."secondary-types"|join(";")),
  ."first-release-date",
  .title
  ] | join("\t")' |
    awk \
      -F "\t" \
      -v format_release="$FORMAT_RELEASE" \
      -v format_year="$FORMAT_YEAR" \
      -v format_album="$FORMAT_TYPE_ALBUM" \
      -v format_single="$FORMAT_TYPE_SINGLE" \
      -v format_ep="$FORMAT_TYPE_EP" \
      -v format_broadcast="$FORMAT_TYPE_BROADCAST" \
      -v format_other="$FORMAT_TYPE_OTHER" \
      -v format_compilation="$FORMAT_TYPE_SECONDARY_COMPILATION" \
      -v format_soundtrack="$FORMAT_TYPE_SECONDARY_SOUNDTRACK" \
      -v format_spokenword="$FORMAT_TYPE_SECONDARY_SPOKENWORD" \
      -v format_interview="$FORMAT_TYPE_SECONDARY_INTERVIEW" \
      -v format_audiobook="$FORMAT_TYPE_SECONDARY_AUDIOBOOK" \
      -v format_audiodrama="$FORMAT_TYPE_SECONDARY_AUDIODRAMA" \
      -v format_live="$FORMAT_TYPE_SECONDARY_LIVE" \
      -v format_remix="$FORMAT_TYPE_SECONDARY_REMIX" \
      -v format_djmix="$FORMAT_TYPE_SECONDARY_DJMIX" \
      -v format_mixtape="$FORMAT_TYPE_SECONDARY_MIXTAPE" \
      -v format_demo="$FORMAT_TYPE_SECONDARY_DEMO" \
      -v format_fieldrec="$FORMAT_TYPE_SECONDARY_FIELDREC" \
      "$AWK_RELEASEGROUPS" |
    sort |
    sort -t "$(printf '\t')" -k 5 -n -r |
    column -t -s "$(printf '\t')" |
    sed 's| \+[0-9]\+ \+\([0-9a-f-]\+\)$|\t\1|'
  exit 0
fi

if [ "${1:-}" = "--help" ]; then
  $CAT <<EOF
Usage: \`$0\` [ \`--help\` ]

Options:
  \`--help\`:  Show this help and exit.
EOF
  exit 0
fi

# Set window title
printf '\033]0;%s\007' "$WINDOW_TITLE"

# Generate filenames for temporary files
tmpdir=$(mktemp -d)
LOCKFILE="$tmpdir/lock"
RESULTS="$tmpdir/results"
PIDFILE="$tmpdir/pid"
trap 'rm -rf "$tmpdir"' EXIT INT
export LOCKFILE RESULTS PIDFILE

if [ "${1:-}" = "--search" ]; then
  $0 --internal-search "$2"
  exit 0
fi

while true; do
  case "${1:-}" in
  "--show-artist")
    sel=$(
      $0 --internal-browse-artist "$2" |
        $FZF \
          --ansi \
          --reverse \
          --delimiter="\t" \
          --accept-nth="{2}" \
          --with-nth="{1}"
    )
    [ "$sel" ] && set -- "--show-release" "$sel"
    ;;
  *)
    sel=$(
      printf "" |
        $FZF \
          --ansi \
          --reverse \
          --no-sort \
          --disabled \
          --delimiter="\t" \
          --accept-nth="{1}" \
          --with-nth="{2}" \
          --preview-window="wrap" \
          --preview="$0 --internal-preview-artist {1}" \
          --bind="change:execute-silent($0 --internal-search \$FZF_QUERY &)+reload($0 --internal-reload)"
    )
    [ "$sel" ] && set -- "--show-artist" "$sel"
    ;;
  esac
done