mpv-last

#!/usr/bin/env bash

# wk-prompt setup

# shellcheck disable=SC1091
source wk-prompt
# shellcheck disable=SC2034
wk_keywords=("+write")
# shellcheck disable=SC2034
wk_preprocessor_cmds=(
    ":delay 0"
    ":menu-width 0"
)

build_wks_description() {
    _wks_desc="${1##*/}"
}

# Last played playlist
savefile="${XDG_CONFIG_HOME:-$HOME/.config}/mpv/playlists/last.m3u"
declare -a lastplayed
selection=

set_last_played() {
    readarray -t lastplayed < <(tac "$savefile")
}

assert_last_played() {
    [[ "${#lastplayed[@]}" -gt 0 ]] && return 0

    notify-send "${0##*/}" "Nothing in '${savefile##*/}' playlist!"
    exit 1
}

get_selection() {
    selection="$(wk_prompt "${lastplayed[@]}")"
}

play_selection() {
    if [[ -n "$selection" ]]; then
        perl -i -ne 'BEGIN { $s = shift } print unless $_ eq "$s\n"' "$selection" "$savefile"
        mpv --script-opts=mpv-save-enabled=yes "$selection"
    else
        echo "No selection!"
    fi
}

main() {
    set_last_played
    assert_last_played
    get_selection
    play_selection
}

main "$@"