#!/bin/bash

# Set color variables for the welcome text based on the current user
if [ "$USER" = "root" ]; then
    HEADER_COLOR="\033[1;31m"      # Bold red for root
elif [ "$USER" = "administrator" ]; then
    HEADER_COLOR="\033[1;38;5;208m"  # Bold orange for administrator
else
    HEADER_COLOR="\033[1;33m"      # Bold yellow for other users
fi
RESET_COLOR="\033[0m"

# Color code for the hostname (set to green, bold, underlined, and blinking)
HOSTNAME_COLOR="\[\033[1;4;5;32m\]"

# Print welcome message
echo -e "${HEADER_COLOR}Welcome, $USER on ${HOSTNAME_COLOR}$HOSTNAME!${RESET_COLOR}"
echo ""
echo -e "${HEADER_COLOR}Today is $(date +"%A, %d.%m.%Y %T")${RESET_COLOR}"
echo ""

# System Load (shows load averages and uptime)
echo -e "${HEADER_COLOR}System Load:${RESET_COLOR}"
uptime
echo ""

# Memory Usage (RAM and swap)
echo -e "${HEADER_COLOR}Memory Usage:${RESET_COLOR}"
free -h
echo ""

# Disk Usage
echo -e "${HEADER_COLOR}Disk Usage:${RESET_COLOR}"
df -h
echo ""

# CPU Information (e.g., model name)
echo -e "${HEADER_COLOR}CPU Information:${RESET_COLOR}"
lscpu | grep "Model name"
echo ""

# Top 5 Processes by CPU Usage
echo -e "${HEADER_COLOR}Top 5 Processes by CPU Usage:${RESET_COLOR}"
ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%cpu | head -n 6
echo ""

# Set aliases for colored output for ls and grep
alias ls='ls --color=auto'
alias grep='grep --color=auto'

# --- Prompt Configuration ---

# Define color codes for the username in the prompt based on the current user
if [ "$USER" = "root" ]; then
    PROMPT_USER_COLOR="\[\033[4;5;1;31m\]"        # Underlined, bold red for root
elif [ "$USER" = "administrator" ]; then
    PROMPT_USER_COLOR="\[\033[4;38;5;208m\]"      # Underlined, bold orange for administrator
else
    PROMPT_USER_COLOR="\[\033[33m\]"              # yellow for other users
fi

# Reset code for the prompt (must be wrapped in \[ \])
PROMPT_RESET="\[\033[0m\]"

# Configure PS1: username, hostname in green, time and current directory
PS1="${PROMPT_USER_COLOR}\u${PROMPT_RESET}@${HOSTNAME_COLOR}\h${PROMPT_RESET} \[\033[90m\]\$(date +%H:%M:%S)\[\033[0m\]:\[\033[38;5;13m\]\w ${PROMPT_RESET}\$ "