dotfiles/.config/shellfunctions/fs_sync_offline.sh

# Use in crontab like this:

# */5	* 	*	*	*	zsh -c "export $(</proc/$(pidof Hyprland)/environ tr \\0 \\n | grep -E '^DBUS_SESSION_BUS_ADDRESS=') ; source ~/.config/shellfunctions/fs_sync_offline && fs_sync_offline"

fs_sync_offline() {
    local source1="filesync:/files"
    local source2="$HOME/.offline_filesync"
    local filter_file="$source2/.important-files.txt"
    local bisync_log="$source2/.bisync_log.txt"
    local notification_header="OfflineFileSync"

    if timeout 2 curl shork.ch || timeout 2 curl status.shork.ch; then
    else
        return 1
    fi

    functions -T send_message # Scoping
    send_message() {
        echo "$1"
        notify-send "$notification_header" "$1"
        echo "$(date +"%Y-%m-%d %H:%M:%S"): $1" >>"$bisync_log"
        echo "$output" >> "$bisync_log"
    }
    case $1 in
    init)
        rclone copyto "$source1/.important-files.txt" "$source2/.important-files.txt" \
            --verbose
        rclone bisync "$source1" "$source2" \
            --create-empty-src-dirs \
            --timeout 2s \
            --filter-from "$filter_file" \
            --resync \
            --verbose
        return 1
        ;;
    esac

    local output=$(rclone bisync "$source1" "$source2" \
        --create-empty-src-dirs \
        --conflict-resolve newer \
        --conflict-loser num \
        --timeout 2s \
        --resilient \
        --recover \
        --filter-from "$filter_file" 2>&1)
    local rclone_exit_code=$?
    echo $rclone_exit_code

    if [[ "$output" == *conflict* && "$output" == *home* ]]; then
        # Extract the path from the colored output
        local extracted_path=$(echo "$output" | sed -n 's/.*\x1b\[36m\(.*\)\x1b\[0m.*/\1/p')

        # Remove ".conflict{number}" from the path
        local cleaned_path=$(echo "$extracted_path" | sed 's/\.conflict[0-9]*//g')

        if [[ -n "$cleaned_path" ]]; then
            send_message "Conflict at $cleaned_path"
        fi
    fi

    if [[ "$output" == *"prior lock file found"* ]]; then
        send_message "Lockfile present. Not synchronising."
    fi

    if [[ $rclone_exit_code == 0 ]]; then
        return 0
    fi

    if [[ "$output" == *"too many deletes"* ]]; then
        send_message "Too many deletes. Not synchronising."
    fi

    if [[ "$output" == *"critical"* ]]; then
        send_message "Critical Error. Resync required!"
    fi
}