#!/usr/bin/env bash

self=plz

declare -a confs
# shellcheck disable=SC2140
confs=(/etc/"$self"rc "$HOME"/."$self"rc)

for conf in "${confs[@]}" ; do
    [[ -e "$conf" ]] || continue
    source "$conf"
done

usage() {
    printf 'USAGE: %s TERM1 [TERM2 ...]\n' \
        "$self" >&2
}

if ! (($#)) ; then
    usage >&2
    exit 1
fi

declare -a fargs
for term ; do
    fargs[${#fargs[@]}]=-ipath
    fargs[${#fargs[@]}]=\*"$term"\*
done

shopt -s extglob

declare -a matches
while IFS= read -d '' -r file ; do
    [[ $file == *.@(flac|m4a|mp3|ogg) ]] || continue
    matches[${#matches[@]}]=$file
done < <(
    find "${PLZ_DIR:-$HOME/Music}" \
        -type f "${fargs[@]}" -print0
)

case ${#matches[@]} in
    0)
        printf '%s: No matches.\n' \
            "$self" >&2
        exit 1
        ;;
    1)
        exec "${PLZ_PLAYER:-mpv}" -- "${matches[0]}"
        ;;
    *)
        printf '%s\n' \
            "${matches[@]}"
        ;;
esac