# Check if we found any images
if [ ${#images[@]} -eq 0 ]; then
    echo "No images found."
    exit 1
fi

MAX_SIZE_for_array=1000
a_skips=()

truncate_array() {
    local -n arr_ref=$1  # Nameref (Bash 4.3+)
    local max_size=$2
    local array_length=${#arr_ref[@]}
    
    if [ $array_length -gt $max_size ]; then
        # echo "Array too large ($array_length)"
        #arr_ref=("${arr_ref[@]:0:$max_size}") # Keep oldest data
        arr_ref=("${arr_ref[@]:1}") # POP First (Shift)
        # unset arr_ref[${#arr_ref[@]}-1] # POP LAST
    fi
}

# Outer loop
for ((i = 0; i < ${#images[@]}; i++)); do
    outer_image="${images[$i]}"
    skip_outer=false  # Reset flag for each outer loop iteration
    
    for skip in "${a_skips[@]}"; do
        if [ "$path/$skip" = "$path/$outer_image" ]; then
            skip_outer=true
            break
        fi    
    done

    # Skip to next outer iteration if flagged
    if [ "$skip_outer" = true ]; then
        continue
    fi

    # Inner loop (only later images to avoid double-checks)
    for ((j = i + 1; j < ${#images[@]}; j++)); do
        inner_image="${images[$j]}"
        skip_inner=false  # Reset flag for each inner loop iteration

        for skip in "${a_skips[@]}"; do
            if [ "$path/$skip" = "$path/$inner_image" ]; then
                skip_inner=true
                break
            fi    
        done

        # Skip to next inner iteration if flagged
        if [ "$skip_inner" = true ]; then
            continue
        fi
        
        echo -e "\nComparing files: $outer_image TO $inner_image"
        python3 dedup.py "$path/$outer_image" "$path/$inner_image" "$2"
        exit_code=$?

        case $exit_code in
            1)  # Duplicate found
                echo "$path/$outer_image # $inner_image" >> dups.txt
                if [ $do_for_real = true ]; then
                    mv "$path/$outer_image" "$path/dups"
                fi
                break
                ;;
            2)  # Close match
                echo "$path/$outer_image # $inner_image" >> alike.txt
                break
                ;;
            3)  # Skip with size issues inner image
                echo "$path/$inner_image" >> size.txt
                a_skips+=("$inner_image")
                truncate_array a_skips $MAX_SIZE_for_array
                ;;
            4)  # Skip invalid inner image
                echo "$path/$inner_image" >> invalid.txt
                a_skips+=("$inner_image")
                truncate_array a_skips $MAX_SIZE_for_array
                ;;
            5)  # Same GPS
                echo "$path/$outer_image # $inner_image" >> sameGPS.txt
                break
                ;;
            6)  # Same GPS within feet
                echo "$path/$outer_image # $inner_image" >> sameGPSfeet.txt
                break
                ;;
            8)  # Invalid outer image
                echo "$path/$outer_image" >> invalid.txt
                if [ $do_for_real = true ]; then
                    echo "To remove bad image run: rm $path/$outer_image"
                fi
                break
                ;;
            9)  # Image size issue
                echo "$path/$outer_image" >> size.txt
                break
                ;;
        esac
    done
done
# echo "${a_skips[@]}"