---
- name: Configure timezone and NTP
  hosts: all
  become: yes

  vars:
    timezone_region: "Asia/Kolkata"
    ntp_server: "0.in.pool.ntp.org"

  tasks:
  # ----------------------------------------------------------
  # TIMEZONE (Works on Ubuntu LXC + Rocky)
  # ----------------------------------------------------------
    - name: Set timezone (manual method for compatibility)
      block:
        - name: Copy timezone file
          ansible.builtin.copy:
            src: "/usr/share/zoneinfo/{{ timezone_region }}"
            dest: /etc/localtime
            remote_src: yes

        - name: Write /etc/timezone
          ansible.builtin.copy:
            dest: /etc/timezone
            content: "{{ timezone_region }}\n"
      register: tz_change

    - name: Debug timezone set
      ansible.builtin.debug:
        msg: "Timezone set to {{ timezone_region }} successfully."
      when: tz_change.changed

  # ----------------------------------------------------------
  # UBUNTU NTP (systemd-timesyncd)
  # ----------------------------------------------------------
    - name: Configure NTP for Ubuntu (systemd-timesyncd)
      block:
        - name: Create timesyncd.conf
          ansible.builtin.copy:
            dest: /etc/systemd/timesyncd.conf
            content: |
              [Time]
              NTP={{ ntp_server }}
              FallbackNTP=1.in.pool.ntp.org 2.in.pool.ntp.org
          register: ubuntu_ntp

        - name: Restart timesyncd
          ansible.builtin.systemd:
            name: systemd-timesyncd
            state: restarted
            enabled: yes

        - name: Debug Ubuntu NTP
          ansible.builtin.debug:
            msg: "Ubuntu NTP configured with {{ ntp_server }}"
          when: ubuntu_ntp.changed

      when: ansible_facts['os_family'] == "Debian"

  # ----------------------------------------------------------
  # ROCKY LINUX NTP (chrony)
  # ----------------------------------------------------------
    - name: Configure NTP for Rocky Linux (chrony)
      block:
        - name: Install chrony
          ansible.builtin.package:
            name: chrony
            state: present

        - name: Backup chrony.conf
          ansible.builtin.copy:
            src: /etc/chrony.conf
            dest: /etc/chrony.conf.bak
            remote_src: yes

        - name: Remove existing server lines
          ansible.builtin.replace:
            path: /etc/chrony.conf
            regexp: '^server .*'
            replace: ''
          register: removed_servers

        - name: Add new time server entry
          ansible.builtin.lineinfile:
            path: /etc/chrony.conf
            line: "server {{ ntp_server }} iburst"

        - name: Restart chronyd
          ansible.builtin.systemd:
            name: chronyd
            state: restarted
            enabled: yes

        - name: Debug Rocky NTP
          ansible.builtin.debug:
            msg: "Rocky Linux NTP configured with {{ ntp_server }}"

      when: ansible_facts['os_family'] == "RedHat"

  # ----------------------------------------------------------
  # Final output
  # ----------------------------------------------------------
    - name: Final summary
      ansible.builtin.debug:
        msg: "Timezone + NTP successfully applied on {{ inventory_hostname }}"