---
- name: Deploy TWS MOTD
  hosts: all
  become: true

  vars:
    tws_org: "TheWrightServer"
    tws_short: "TWS"

  tasks:
    - name: Remove static MOTD file (Debian default)
      file:
        path: /etc/motd
        state: absent

    - name: Ensure dynamic MOTD symlink
      file:
        src: /run/motd.dynamic
        dest: /etc/motd
        state: link

    - name: Check for default Ubuntu MOTD scripts
      stat:
        path: "/etc/update-motd.d/{{ item }}"
      loop:
        - 10-help-text
        - 50-motd-news
      register: motd_scripts

    - name: Disable default Ubuntu MOTD noise
      file:
        path: "{{ item.stat.path }}"
        mode: "0644"
      loop: "{{ motd_scripts.results }}"
      when: item.stat.exists

    - name: Deploy TWS MOTD script
      copy:
        dest: /etc/update-motd.d/10-tws
        mode: "0755"
        content: |
          #!/bin/bash

          ORG="{{ tws_org }}"
          SHORT="{{ tws_short }}"

          WIDTH=58

          line() {
            printf "║ %-*s ║\n" $((WIDTH-4)) "$1"
          }

          border_top() {
            printf "╔%s╗\n" "$(printf '═%.0s' $(seq 1 $((WIDTH-2))))"
          }

          border_mid() {
            printf "╠%s╣\n" "$(printf '═%.0s' $(seq 1 $((WIDTH-2))))"
          }

          border_bot() {
            printf "╚%s╝\n" "$(printf '═%.0s' $(seq 1 $((WIDTH-2))))"
          }

          HOST="$(hostname)"
          OS="$(lsb_release -ds 2>/dev/null || grep PRETTY_NAME /etc/os-release | cut -d= -f2 | tr -d '"')"
          KERNEL="$(uname -r)"
          IP="$(hostname -I | awk '{print $1}')"
          UPTIME="$(uptime -p | sed 's/up //')"
          LOAD="$(awk '{print $1}' /proc/loadavg)"
          MEM="$(free -h | awk '/Mem:/ {print $3 " / " $2}')"
          DISK="$(df -h / | awk 'NR==2 {print $5 " used (/)"}')"
          USERS="$(who | wc -l)"

          border_top
          line "${ORG} • ${SHORT} Infrastructure"
          border_mid
          line "Host      : ${HOST}"
          line "OS        : ${OS}"
          line "Kernel    : ${KERNEL}"
          line "IP        : ${IP}"
          line "Uptime    : ${UPTIME}"
          border_mid
          line "CPU Load  : ${LOAD}"
          line "Memory    : ${MEM}"
          line "Disk      : ${DISK}"
          line "Users     : ${USERS} logged in"
          border_bot