#!/bin/bash

# Check if a file was dragged and dropped onto the script
if [ -z "$1" ]; then
    echo "Drag and drop a video file onto this script to split it into segments."
    read -p "Press [Enter] key to continue..."
    exit 1
fi

# Prompt the user for the segment time in seconds
read -p "Time in seconds per segment: " time

# Set input file and output folder variables
input_file="$1"
output_folder="${input_file%.*}_segments"

# Create the output folder
mkdir -p "$output_folder"

# Split the video into segments using ffmpeg
ffmpeg -i "$input_file" -force_key_frames "expr:gte(t,n_forced*5)" -c copy -f segment -segment_time "$time"  -reset_timestamps 1 -copyts "$output_folder/segment_%03d.mp4"

# Change to the output folder
cd "$output_folder"

# Create a file list for the segments and move each segment to its own folder
counter=0
for segment in segment_*.mp4; do
    segment_folder="segment_$counter"
    mkdir -p "$segment_folder"
    mv "$segment" "$segment_folder/"
    echo "file '$segment_folder/$segment'" >> file_list.txt
    counter=$((counter + 1))
done

echo "Video has been split into segments."
read -p "Press [Enter] key to continue..."