---
- name: install required system packages
  apt:
    name:
      - python3-venv
      - git
    state: present
    update_cache: yes

- name: ensure base directories exist
  file:
    path: "{{ item }}"
    state: directory
    owner: root
    group: root
    mode: '0755'
  loop:
    - /opt/xray-lists
    - /var/lib/xray-lists

- name: clone xray-lists repository
  git:
    repo: 'https://gitea.oyacoi.ru/pyrschtjag/xray-lists'
    dest: /opt/xray-lists-src
    version: main
    force: yes

- name: check if xray-lists is installed
  command: /opt/xray-lists/venv/bin/pip show xray-lists
  register: pip_check
  changed_when: false
  failed_when: false

- name: install xray-lists package into venv
  command: /opt/xray-lists/venv/bin/pip install -e /opt/xray-lists-src[socks]
  when: pip_check.rc != 0

- name: deploy update helper script
  copy:
    dest: /var/lib/xray-lists/update.sh
    owner: root
    group: root
    mode: '0755'
    content: |
      #!/bin/sh

      set -e
      out=$(/opt/xray-lists/venv/bin/xray-lists)

      echo "$out"
      
      dns_changed=0
      elements_changed=0
      
      if echo "$out" | grep -A 10 "changed:" | grep -q "nftsets.conf"; then dns_changed=1; fi
      if echo "$out" | grep -A 10 "changed:" | grep -q "\.elements\.nft"; then elements_changed=1; fi
      
      if [ "$dns_changed" -eq 1 ] && [ "$elements_changed" -eq 1 ]; then exit 12;
      elif [ "$dns_changed" -eq 1 ]; then exit 10;
      elif [ "$elements_changed" -eq 1 ]; then exit 11;
      fi

      exit 0

- name: deploy systemd service unit
  copy:
    dest: /etc/systemd/system/xray-lists.service
    owner: root
    group: root
    mode: '0644'
    content: |
      [Unit]
      Description=Update Xray lists

      [Service]
      Type=oneshot
      ExecStart=/bin/sh -c '\
      /var/lib/xray-lists/update.sh; \
      rc=$$?; \
      case "$$rc" in \
          10) systemctl restart dnsmasq ;; \
          11) nft -f /etc/nftables.conf ;; \
          12) nft -f /etc/nftables.conf && systemctl restart dnsmasq ;; \
      esac'

- name: deploy systemd timer unit
  copy:
    dest: /etc/systemd/system/xray-lists.timer
    owner: root
    group: root
    mode: '0644'
    content: |
      [Unit]
      Description=Run xray-lists update daily and on boot

      [Timer]
      OnBootSec=5min
      OnUnitActiveSec=12h
      Persistent=true

      [Install]
      WantedBy=timers.target