#!/usr/bin/env bash

THEME="${THEME:-$HOME/.config/rofi/launchers/type-2/style-2.rasi}"
THUMBNAIL_PATH="/tmp/rmpv-thumbnail.jpg"
FONTCONFIG_FILE=$HOME/.config/mpv/mpv-fonts.conf
COMMAND=mpv

# Parse command-line options first
while getopts ":it:" opt; do
    case $opt in
    i)
        COMMAND="$COMMAND --profile=immersion"
        ;;
    t)
        THEME="$OPTARG"
        ;;
    \?)
        echo "Invalid option: -$OPTARG" >&2
        exit 1
        ;;
    :)
        echo "Option -$OPTARG requires an argument." >&2
        exit 1
        ;;
    esac
done
shift $((OPTIND - 1))

generate_thumbnail() {
    local video_file="$1"
    local temp_thumb="/tmp/rmpv-thumbnail-$$.jpg"
    local thumbnail_file="${video_file%.*}.jpg"

    # Clean up previous thumbnail
    rm -f "$THUMBNAIL_PATH"

    # Validate input
    if [[ -z "$video_file" ]]; then
        echo "Error: No video file specified" >&2
        return 1
    fi

    if [[ ! -f "$video_file" ]]; then
        echo "Error: Video file '$video_file' not found" >&2
        return 1
    fi

    # Check if it's a video file
    if ! file "$video_file" | grep -qE "(video|Video)"; then
        echo "Error: '$video_file' doesn't appear to be a video file" >&2
        return 1
    fi

    # Generate thumbnail if it doesn't exist
    if [[ ! -f "$thumbnail_file" ]]; then
        echo "Generating thumbnail for $(basename "$video_file")..."
        # Try generating thumbnail side-by-side
        if ! ffmpeg -ss 00:00:01 -i "$video_file" \
            -vf "scale=320:240:force_original_aspect_ratio=decrease,pad=320:240:(ow-iw)/2:(oh-ih)/2" \
            -frames:v 1 \
            -q:v 4 \
            "$thumbnail_file" \
            -loglevel error -y 2>/dev/null; then
            
            # Fallback to temp file if side-by-side fails (e.g. read-only fs)
            echo "Warning: Failed to write to $thumbnail_file, trying temp location" >&2
            thumbnail_file="$temp_thumb"
            
            if ! ffmpeg -ss 00:00:01 -i "$video_file" \
                -vf "scale=320:240:force_original_aspect_ratio=decrease,pad=320:240:(ow-iw)/2:(oh-ih)/2" \
                -frames:v 1 \
                -q:v 4 \
                "$thumbnail_file" \
                -loglevel error -y 2>/dev/null; then
                echo "Error: Failed to generate thumbnail" >&2
                return 1
            fi
        fi
    fi

    # Copy to consistent location for notify-send
    # We use a fixed path so notify-send always finds it
    if cp "$thumbnail_file" "$THUMBNAIL_PATH" 2>/dev/null; then
        echo "Thumbnail ready at: $THUMBNAIL_PATH"
        ls -l "$THUMBNAIL_PATH"
        file "$THUMBNAIL_PATH"
    else
        echo "Error: Failed to copy thumbnail to $THUMBNAIL_PATH" >&2
    fi
}

choice="$(find . -iname "*[.mkv|.mp4]" | sort -h | rofi -dmenu -i -theme "$THEME" -theme-str 'listview {columns: 1; lines: 15;} window {width: 88%;}' -p "Choose Video")"
if [[ -z "$choice" ]]; then
    echo "No video selected."
    exit 1
fi

generate_thumbnail "$choice"
if [[ ! -f "$THUMBNAIL_PATH" ]]; then
    echo "Warning: Thumbnail not created, notification will have no icon" >&2
fi
notify-send -i "$THUMBNAIL_PATH" "Playing Video" "$(basename "$choice")"
$COMMAND "$choice" &

# vim: ft=sh