convert video to voice 3 && transfer files to mobile phone

#!/bin/bash

# Set the directory to search for files and specify the file extensions
s_loc="/media/ramdisk"
o_ext="mp3"  # Define output extension (e.g., mp3)
log_file="$s_loc/progress.log"

# Get the current timestamp with nanoseconds
timestamp() {
    date +%s%N
}

# Redirect all output (stdout and stderr) to the log file with append mode
exec 2>> "$log_file"

# Check if detox is installed
if ! command -v detox &> /dev/null; then
    echo "$(timestamp): Error: Detox could not be found. Please install it before running this script." >&2
    exit 1
fi

# Check if ffmpeg is installed
if ! command -v ffmpeg &> /dev/null; then
    echo "$(timestamp): Error: Ffmpeg could not be found. Please install it before running this script." >&2
    exit 1
fi

# Log start message with timestamp
echo "$(timestamp): Detox process started" >> "$log_file"

declare -A mp3_parent_dirs

# Search for files in s_loc with extensions matching .ts, .mp4, or .mp3
while IFS= read -r sfile; do
    detoxed_filename=$(echo $(detox -s iso8859_1 -v "${sfile}") | awk '/->/ {sub(/.*-> */, ""); print}')
    if [ "$detoxed_filename" == "$sfile" ]; then
        echo "$(timestamp): Failed to detox file: $sfile (no changes needed)" >> "$log_file"
    else
        echo "$(timestamp): Successfully detoxed file: $sfile to $detoxed_filename" >> "$log_file"
    fi

    # Get the extension of the file
    ext="${sfile##*.}"

    if [ "$ext" == "mp3" ]; then
        parent_dir=$(dirname "$sfile")
        mp3_parent_dirs["$parent_dir"]=1
        # Move mp3 files back to s_loc with their original name
        mv "$sfile" "$s_loc/$(basename "$sfile")"
        if [ $? -ne 0 ]; then
            echo "$(timestamp): Error: Failed to move file: $sfile to $s_loc/$(basename "$sfile") (mv command failed)" >&2
        fi
    else
        # Check if detoxed_filename is not an empty string and file does not exist
        if [ ! -z "$detoxed_filename" ] && [ ! -f "$detoxed_filename" ]; then
            echo "$(timestamp): Error: File does not exist or is not a file: $detoxed_filename" >&2
            exit 1
        fi

        # Generate new filename with timestamp and first 50 characters of the old file name
        filename=$(basename "$detoxed_filename")
        base="${filename%.*}"
        new_filename="$(timestamp)_${base:0:50}.${ext}"
        new_sfile="$s_loc/$new_filename"

        # Move the detoxed file to the new filename
        mv "$detoxed_filename" "$new_sfile"
        if [ $? -ne 0 ]; then
            echo "$(timestamp): Error: Failed to move file: $detoxed_filename to $new_sfile (mv command failed)" >&2
        fi
    fi

    # Delete the empty parent directory
    parent_dir=$(dirname "$sfile")
    if [ -n "$parent_dir" ] && [ "$parent_dir" != "/" ]; then
        rmdir --parents --ignore-fail-on-non-empty "$parent_dir"
        if [ $? -ne 0 ]; then
            echo "$(timestamp): Error: Failed to delete empty parent directory: $parent_dir (rmdir command failed)" >&2
        fi
    fi
done < <(find "$s_loc" \( -iname "*.ts" -o -iname "*.mp4" -o -iname "*.mp3" \) -type f | sort -u)
if [ $? -ne 0 ]; then
    echo "$(timestamp): Error: Failed to find files in $s_loc (find command failed)" >&2
fi

# Log completion message with timestamp
echo "$(timestamp): Detox process completed" >> "$log_file"

# Additional section to force delete parent directories, regardless of their contents
for parent_dir in "${!mp3_parent_dirs[@]}"; do
    echo "$(timestamp): Forcing deletion of non-empty parent directory: $parent_dir" >> "$log_file"
    rm -rf "$parent_dir"
    if [ $? -ne 0 ]; then
        echo "$(timestamp): Error: Failed to delete directory '$parent_dir'" >&2
    fi
done

# Search for ts and mp4 files in s_loc and apply the ffmpeg command
while IFS= read -r input_file; do
    if [ -f "$input_file" ]; then
        sfile=$(basename "$input_file")
        sbase="${sfile%.*}"
        output_filename="${sbase}.${o_ext}"
        output_file="$s_loc/$output_filename"
        cmd="ffmpeg -nostdin -i '$input_file' -vn -acodec libmp3lame -ac 2 -ab 32k -ar 16000 '$output_file'"
        echo "$(timestamp): Applying ffmpeg command to $input_file: $cmd" >> "$log_file"

        # Execute the command and capture its exit status
        eval "$cmd" && status=$? || status=$?

        if [ $status -eq 0 ]; then
            echo "$(timestamp): Successfully converted $input_file to $output_file" >> "$log_file"
        else
            echo "$(timestamp): Error: Converting $input_file. Exit code: $status" >&2
        fi
    fi
done < <(find "$s_loc" \( -iname "*.ts" -o -iname "*.mp4" \) -type f)
if [ $? -ne 0 ]; then
    echo "$(timestamp): Error: Failed to find files in $s_loc (find command failed)" >&2
fi

# Log completion of ffmpeg processing
echo "$(timestamp): FFmpeg processing completed" >> "$log_file"

# Organize files by current date and file extension
d_loc=$(echo $s_loc/$(date '+%Y-%m-%d_%H-%M-%S'))
while IFS= read -r sfile; do
    if [ -f "$sfile" ]; then

        # Get the extension of the file
        ext="${sfile##*.}"

        if [ "$ext" == "mp3" ]; then
            output_directory="$d_loc/$ext"
        else
            output_directory="$d_loc/video"
        fi

        # Create output_directory structure
        if [ ! -d "$output_directory" ]; then
            mkdir -p "$output_directory"
            # Check if the mkdir command was successful
            if [ $? -ne 0 ]; then
                echo "$(timestamp): Error: Failed to create folder: $output_directory exiting..." >&2
                return 1
            fi
        fi
        fname=$(basename "$sfile")
        mv "$sfile" "$output_directory/$fname"
        if [ $? -ne 0 ]; then
            echo "$(timestamp): Error: Failed to move file: $sfile to $output_directory/$fname exiting..." >&2
            return 1
        fi
    fi
done < <(find "$s_loc" -maxdepth 1 \( -iname "*.ts" -o -iname "*.mp4" -o -iname "*.mp3" \) -type f | sort -u)

# Log completion of organize files by current date and file extension
echo "$(timestamp): Organize files by current date and file extension completed" >> "$log_file"

# copy folders to droid device
gvfs_loc="/run/user/1000/gvfs/"
sd_subd="/android/Movies/"
droid_mpoint=$(ls "$gvfs_loc" | grep "Redmi")
out_droid_dir=$gvfs_loc$droid_mpoint$sd_subd

if [ -d "$out_droid_dir" ]; then
    c_year=$(date '+%Y-')

    find "$s_loc" -maxdepth 1 -type d -name "$c_year*" -print0 | while IFS= read -r -d '' bdir; do
        if [ -d "$bdir" ]; then
            mv "$bdir" "$out_droid_dir"
            if [ $? -ne 0 ]; then
                echo "$(timestamp): Error: Moving directory $bdir to $out_droid_dir" >&2
            fi
        fi
    done

    xdg-open "$out_droid_dir" > /dev/null 2>&1
    if [ $? -ne 0 ]; then
        echo "$(timestamp): Error: Opening directory $out_droid_dir" >&2
    fi

else
    echo "$(timestamp): Error: Output directory $out_droid_dir does not exist" >&2
fi

# Log completion of copy folders to droid device
echo "$(timestamp): Copy folders to droid device completed" >> "$log_file"