---
- name: XXXigCC Pool URL 更新脚本
  hosts: all
  become: yes

  vars:
    # 必填参数
    new_url: ""

    # 可选参数
    old_url: ""

    # 配置文件路径
    config_file: "/etc/xxxigcc/config.json"
    log_dir: "/var/log/xxxigcc"
    service_name: "xxxigcc-daemon.service"

  tasks:
    - name: 检查 new_url 参数是否提供
      ansible.builtin.fail:
        msg: "参数 new_url 是必填项，请使用 -e new_url=your_url 提供"
      when: new_url == ""

    - name: 确保 jq 工具已安装
      ansible.builtin.package:
        name: jq
        state: present

    - name: 检查配置文件是否存在
      ansible.builtin.stat:
        path: "{{ config_file }}"
      register: config_file_stat

    - name: 验证配置文件存在
      ansible.builtin.fail:
        msg: "配置文件 {{ config_file }} 不存在"
      when: not config_file_stat.stat.exists

    - name: 备份配置文件
      ansible.builtin.copy:
        src: "{{ config_file }}"
        dest: "{{ config_file }}.backup.{{ ansible_date_time.epoch }}"
        remote_src: yes
        mode: preserve

    - name: 获取当前的 pool URL
      ansible.builtin.shell: |
        jq -r '.pools[0].url' {{ config_file }}
      register: current_url
      changed_when: false

    - name: 显示当前 pool URL
      ansible.builtin.debug:
        msg: "当前 pool URL: {{ current_url.stdout }}"

    - name: 检查是否需要更新（提供了 old_url 参数时）
      ansible.builtin.set_fact:
        should_update: "{{ current_url.stdout == old_url }}"
      when: old_url != ""

    - name: 检查是否需要更新（未提供 old_url 参数时）
      ansible.builtin.set_fact:
        should_update: true
      when: old_url == ""

    - name: 显示更新决策
      ansible.builtin.debug:
        msg: >
          {% if old_url != "" %}
          old_url 参数已提供: {{ old_url }}，当前值: {{ current_url.stdout }}，
          {% if should_update %}将执行更新{% else %}跳过更新（当前值与 old_url 不匹配）{% endif %}
          {% else %}
          未提供 old_url 参数，将无条件更新
          {% endif %}

    - name: 更新 pool URL
      ansible.builtin.shell: |
        jq '.pools[0].url = "{{ new_url }}"' {{ config_file }} > {{ config_file }}.tmp && \
        mv {{ config_file }}.tmp {{ config_file }}
      when: should_update | bool
      register: update_result

    - name: 显示更新后的 pool URL
      ansible.builtin.shell: |
        jq -r '.pools[0].url' {{ config_file }}
      register: updated_url
      changed_when: false
      when: should_update | bool

    - name: 确认更新结果
      ansible.builtin.debug:
        msg: "pool URL 已更新为: {{ updated_url.stdout }}"
      when: should_update | bool

    - name: 检查日志目录是否存在
      ansible.builtin.stat:
        path: "{{ log_dir }}"
      register: log_dir_stat

    - name: 删除日志目录下的所有文件
      ansible.builtin.shell: |
        rm -rf {{ log_dir }}/*
      args:
        warn: false
      when: log_dir_stat.stat.exists and log_dir_stat.stat.isdir
      register: log_cleanup

    - name: 显示日志清理结果
      ansible.builtin.debug:
        msg: "日志目录 {{ log_dir }} 已清理"
      when: log_dir_stat.stat.exists and log_dir_stat.isdir

    - name: 重启 xxxigcc-daemon 服务
      ansible.builtin.systemd:
        name: "{{ service_name }}"
        state: restarted
      when: should_update | bool
      register: service_restart

    - name: 等待服务重启完成
      ansible.builtin.wait_for:
        timeout: 5
      when: should_update | bool

    - name: 验证服务状态
      ansible.builtin.systemd:
        name: "{{ service_name }}"
        state: started
      register: service_status
      when: should_update | bool

    - name: 显示操作总结
      ansible.builtin.debug:
        msg: |
          操作完成总结:
          - 配置文件备份: {{ config_file }}.backup.{{ ansible_date_time.epoch }}
          {% if should_update | bool %}
          - Pool URL 已从 '{{ current_url.stdout }}' 更新为 '{{ new_url }}'
          - 日志目录已清理: {{ log_dir }}
          - 服务已重启: {{ service_name }}
          {% else %}
          - Pool URL 未更新（条件不满足）
          {% endif %}