---
- name: Deploy Java Application
  hosts: webservers
  vars:
    app_name: yudao-server
    app_version: "{{ lookup('env', 'APP_VERSION') | default('latest', true) }}"
    app_home: /root/mall
    app_user: root
    app_group: root
    java_opts: "-XX:HeapDumpPath={{ app_home }}/logs/heapError"
    health_check_url: "http://192.168.110.86:48080/actuator/health/"

  tasks:
    - name: Create application directories
      ansible.builtin.file:
        path: "{{ item }}"
        state: directory
        mode: "0755"
        owner: "{{ app_user }}"
        group: "{{ app_group }}"
      with_items:
        - "{{ app_home }}"
        - "{{ app_home }}/backup"
        - "{{ app_home }}/logs"
        - "{{ app_home }}/config"

    - name: Stop service if running
      ansible.builtin.systemd:
        name: yudao
        state: stopped
      ignore_errors: true

    - name: Backup existing jar
      ansible.builtin.copy:
        src: "{{ app_home }}/{{ app_name }}.jar"
        dest: "{{ app_home }}/backup/{{ app_name }}-{{ ansible_date_time.iso8601 }}.jar"
        remote_src: true
      ignore_errors: true
      when: ansible_date_time is defined

    - name: Copy application jar
      ansible.builtin.copy:
        src: "../../yudao-server/target/{{ app_name }}.jar"
        dest: "{{ app_home }}/{{ app_name }}.jar"
        owner: "{{ app_user }}"
        group: "{{ app_group }}"
        mode: "0644"
      notify: Restart application

    - name: Create service file
      ansible.builtin.template:
        src: templates/yudao.service.j2
        dest: /etc/systemd/system/yudao.service
        mode: "0644"
      notify: Reload systemd

    - name: Start and enable service
      ansible.builtin.systemd:
        name: yudao
        state: started
        enabled: true
        daemon_reload: false

  handlers:
    - name: Restart application
      ansible.builtin.systemd:
        name: yudao
        state: restarted

    - name: Reload systemd
      ansible.builtin.systemd:
        daemon_reload: true