#!/bin/bash

# Step 1: Prompt user for Year and Tag [7][9]
read -p "Enter Year: " user_year
read -p "Enter Tag: " user_tag

# Process the first MP4 file found in the current directory
for file in *.mp4; do
  if [ -f "$file" ]; then
    # Extract Title and Resolution (Height) using ExifTool [4][5]
    # -s3 returns just the value of the tag
    title=$(exiftool -s3 -Title "$file")

    # If the internal Title tag is empty, fall back to the filename [5]
    if [ -z "$title" ]; then
      title="${file%.*}"
    fi

    # Extracting image height for pixel count (e.g., 1080) [4]
    height=$(exiftool -s3 -ImageHeight "$file")
    if [ -n "$height" ]; then
      pixel="${height}p"
    else
      pixel="UnknownRes"
    fi

    # Construct the new base name (without extension)
    new_base_name="${title} ${user_year} ${pixel} ${user_tag}"

    # Step 2: Rename the file [5][11]
    new_file_name="${new_base_name}.mp4"
    mv "$file" "$new_file_name"

    # Step 3: Rename the parent directory [1][2]
    # Identify current directory info
    current_dir_path=$(pwd)
    parent_dir=$(dirname "$current_dir_path")
    current_folder_name=$(basename "$current_dir_path")

    # Move to the parent directory to rename the 'root' folder
    cd "$parent_dir" || exit
    mv "$current_folder_name" "$new_base_name"

    echo "Successfully renamed file to: $new_file_name"
    echo "Successfully renamed folder to: $new_base_name"

    # Exit after processing the first video file
    break
  fi
done