#!/usr/bin/env bash
# --- This file has been auto-generated. For permanent changes alter the appropriate block in the README.org. ---

# Player selection — prefer actively playing player
player=$(playerctl -l 2>/dev/null | while read -r p; do
    st=$(playerctl --player="$p" status 2>/dev/null)
    [ "$st" = "Playing" ] && echo "$p" && break
done)
[ -z "$player" ] && player=$(playerctl -l 2>/dev/null | head -n1)

if [ -z "$player" ]; then
    jq -c -n '{text: "", tooltip: "", class: "inactive"}'
    exit 0
fi

status=$(playerctl --player="$player" status 2>/dev/null)
if [ "$status" != "Playing" ] && [ "$status" != "Paused" ]; then
    jq -c -n '{text: "", tooltip: "", class: "inactive"}'
    exit 0
fi

artist=$(playerctl --player="$player" metadata artist 2>/dev/null)
title=$(playerctl --player="$player" metadata title 2>/dev/null)
album=$(playerctl --player="$player" metadata album 2>/dev/null)
art=$(playerctl --player="$player" metadata mpris:artUrl 2>/dev/null)
length=$(playerctl --player="$player" metadata mpris:length 2>/dev/null)
position=$(playerctl --player="$player" position 2>/dev/null)

# Progress percentage — pure bash, no bc needed
if [ -n "$length" ] && [ -n "$position" ] && [ "$length" -gt 0 ] 2>/dev/null; then
    pos_us=$(echo "$position" | awk '{printf "%d", $1 * 1000000}')
    progress=$(( pos_us * 100 / length ))
else
    progress=0
fi

# Spotify device
device=""
if [[ "$player" == *"spotify"* ]]; then
    device=$(playerctl --player="$player" metadata xesam:url 2>/dev/null | grep -o 'device=[^&]*' | cut -d= -f2)
fi

# Icon
if [ "$status" = "Paused" ]; then
    icon="⏸ "
else
    icon="▶ "
fi

# Scrolling ticker
CACHE_FILE="/tmp/waybar_media_scroll_${player//\//_}"
full_text="${artist} — ${title}"
text_len=${#full_text}
display_len=30

# Reset scroll offset when track changes
TRACK_FILE="/tmp/waybar_media_track_${player//\//_}"
last_track=""
[ -f "$TRACK_FILE" ] && last_track=$(cat "$TRACK_FILE")
if [ "$full_text" != "$last_track" ]; then
    echo "0" > "$CACHE_FILE"
    echo "$full_text" > "$TRACK_FILE"
fi

if [ "$text_len" -le "$display_len" ]; then
    text="$full_text"
else
    offset=0
    [ -f "$CACHE_FILE" ] && offset=$(cat "$CACHE_FILE")

    padded="${full_text}    ${full_text}"
    text="${padded:$offset:$display_len}"

    next_offset=$(( (offset + 1) % (text_len + 4) ))
    echo "$next_offset" > "$CACHE_FILE"
fi

# Build tooltip
tooltip="Artist: ${artist}
Title: ${title}
Album: ${album}"
if [ -n "$device" ]; then
    tooltip="${tooltip}
󰓻 ${device}"
fi
tooltip="${tooltip}"
jq -c -n \
    --arg text "${icon}${text}" \
    --arg tooltip "$tooltip" \
    --arg class "$player" \
    --arg art "$art" \
    '{text: $text, tooltip: $tooltip, class: $class, alt: $art}'