---
# Advanced WordPress features and optimizations
- name: WordPress Advanced Features Setup
  hosts: all
  become: yes
  vars_files:
    - "../vars/{{ ansible_os_family | lower }}.yml"
  
  vars:
    # Backup Configuration
    enable_backups: "{{ enable_backups | default(true) }}"
    backup_schedule: "{{ backup_schedule | default('0 2 * * *') }}"  # Daily at 2 AM
    backup_retention_days: "{{ backup_retention_days | default(7) }}"
    backup_destination: "{{ backup_destination | default('/var/backups/wordpress') }}"
    
    # Performance Configuration
    enable_redis: "{{ enable_redis | default(false) }}"
    enable_memcached: "{{ enable_memcached | default(false) }}"
    enable_opcache: "{{ enable_opcache | default(true) }}"
    
    # Security Configuration
    enable_fail2ban: "{{ enable_fail2ban | default(true) }}"
    enable_modsecurity: "{{ enable_modsecurity | default(false) }}"
    
    # Monitoring Configuration
    enable_monitoring: "{{ enable_monitoring | default(false) }}"
    
    # WordPress Multisite
    enable_multisite: "{{ enable_multisite | default(false) }}"
    multisite_type: "{{ multisite_type | default('subdirectory') }}"  # subdirectory or subdomain

  tasks:
    # Backup System
    - name: Install backup dependencies
      package:
        name:
          - rsync
          - gzip
          - tar
        state: present
      when: enable_backups
      tags: backup

    - name: Create backup directories
      file:
        path: "{{ item }}"
        state: directory
        mode: '0755'
      loop:
        - "{{ backup_destination }}"
        - "{{ backup_destination }}/database"
        - "{{ backup_destination }}/files"
      when: enable_backups
      tags: backup

    - name: Create backup script
      template:
        src: ../templates/wordpress-backup.sh.j2
        dest: /usr/local/bin/wordpress-backup.sh
        mode: '0755'
      when: enable_backups
      tags: backup

    - name: Schedule WordPress backups
      cron:
        name: "WordPress Backup"
        minute: "{{ backup_schedule.split()[0] }}"
        hour: "{{ backup_schedule.split()[1] }}"
        day: "{{ backup_schedule.split()[2] }}"
        month: "{{ backup_schedule.split()[3] }}"
        weekday: "{{ backup_schedule.split()[4] }}"
        job: "/usr/local/bin/wordpress-backup.sh"
      when: enable_backups
      tags: backup

    # Redis Cache
    - name: Install Redis
      package:
        name: redis-server
        state: present
      when: enable_redis
      tags: redis

    - name: Configure Redis
      template:
        src: ../templates/redis.conf.j2
        dest: /etc/redis/redis.conf
        backup: yes
      when: enable_redis
      notify: restart redis
      tags: redis

    - name: Start and enable Redis
      service:
        name: redis-server
        state: started
        enabled: yes
      when: enable_redis
      tags: redis

    - name: Install Redis PHP extension
      package:
        name: "php{{ php_version }}-redis"
        state: present
      when: enable_redis and ansible_os_family == "Debian"
      notify: restart php-fpm
      tags: redis

    # Memcached
    - name: Install Memcached
      package:
        name:
          - memcached
          - "php{{ php_version }}-memcached"
        state: present
      when: enable_memcached and ansible_os_family == "Debian"
      tags: memcached

    - name: Configure Memcached
      template:
        src: ../templates/memcached.conf.j2
        dest: /etc/memcached.conf
        backup: yes
      when: enable_memcached
      notify: restart memcached
      tags: memcached

    - name: Start and enable Memcached
      service:
        name: memcached
        state: started
        enabled: yes
      when: enable_memcached
      tags: memcached

    # PHP OPcache Optimization
    - name: Configure PHP OPcache
      blockinfile:
        path: "{{ php_ini_path }}"
        marker: "; {mark} ANSIBLE MANAGED BLOCK - OPcache"
        block: |
          ; OPcache Configuration
          opcache.enable=1
          opcache.memory_consumption=256
          opcache.interned_strings_buffer=16
          opcache.max_accelerated_files=10000
          opcache.revalidate_freq=2
          opcache.save_comments=1
          opcache.enable_file_override=1
      when: enable_opcache
      notify: restart php-fpm
      tags: opcache

    # Fail2Ban Security
    - name: Install Fail2Ban
      package:
        name: fail2ban
        state: present
      when: enable_fail2ban
      tags: fail2ban

    - name: Configure Fail2Ban for WordPress
      template:
        src: ../templates/fail2ban-wordpress.conf.j2
        dest: /etc/fail2ban/jail.d/wordpress.conf
      when: enable_fail2ban
      notify: restart fail2ban
      tags: fail2ban

    - name: Start and enable Fail2Ban
      service:
        name: fail2ban
        state: started
        enabled: yes
      when: enable_fail2ban
      tags: fail2ban

    # WordPress Plugins for Performance
    - name: Install WordPress performance plugins
      command: >
        wp plugin install {{ item }} --activate --allow-root
      args:
        chdir: "{{ wordpress_path }}"
      loop:
        - w3-total-cache
        - wp-optimize
        - wordfence
      when: enable_monitoring
      become_user: "{{ nginx_user }}"
      tags: wordpress-plugins

    # WordPress Multisite Setup
    - name: Configure WordPress Multisite
      blockinfile:
        path: "{{ wordpress_path }}/wp-config.php"
        marker: "/* {mark} ANSIBLE MANAGED BLOCK - Multisite */"
        insertbefore: "/* That's all, stop editing!"
        block: |
          /* Multisite Configuration */
          define('WP_ALLOW_MULTISITE', true);
          define('MULTISITE', true);
          define('SUBDOMAIN_INSTALL', {{ 'true' if multisite_type == 'subdomain' else 'false' }});
          define('DOMAIN_CURRENT_SITE', '{{ domain_name | default(ansible_default_ipv4.address) }}');
          define('PATH_CURRENT_SITE', '/');
          define('SITE_ID_CURRENT_SITE', 1);
          define('BLOG_ID_CURRENT_SITE', 1);
      when: enable_multisite
      tags: multisite

    - name: Configure Nginx for WordPress Multisite
      template:
        src: ../templates/wordpress-multisite.nginx.j2
        dest: "{{ nginx_sites_available }}/wordpress"
        backup: yes
      when: enable_multisite and ansible_os_family == "Debian"
      notify: restart nginx
      tags: multisite

    # SSL Certificate Auto-renewal with notifications
    - name: Create SSL renewal notification script
      template:
        src: ../templates/ssl-renewal-notify.sh.j2
        dest: /usr/local/bin/ssl-renewal-notify.sh
        mode: '0755'
      when: enable_ssl is defined and enable_ssl
      tags: ssl

    - name: Schedule SSL renewal with notifications
      cron:
        name: "Renew SSL certificates with notification"
        minute: "0"
        hour: "12"
        job: "/usr/local/bin/ssl-renewal-notify.sh"
      when: enable_ssl is defined and enable_ssl
      tags: ssl

    # System Monitoring
    - name: Install monitoring tools
      package:
        name:
          - htop
          - iotop
          - nethogs
          - glances
        state: present
      when: enable_monitoring
      tags: monitoring

    - name: Install Netdata monitoring
      shell: |
        bash <(curl -Ss https://my-netdata.io/kickstart.sh) --dont-wait --stable-channel
      args:
        creates: /usr/sbin/netdata
      when: enable_monitoring
      tags: monitoring

    # WordPress CLI improvements
    - name: Create WP-CLI config
      template:
        src: ../templates/wp-cli.yml.j2
        dest: "{{ wordpress_path }}/wp-cli.yml"
        owner: "{{ nginx_user }}"
        group: "{{ nginx_user }}"
      tags: wp-cli

    # Database optimization
    - name: Configure MySQL for WordPress optimization
      blockinfile:
        path: "{{ mysql_conf_file }}"
        marker: "# {mark} ANSIBLE MANAGED BLOCK - WordPress Optimization"
        block: |
          # WordPress Optimization
          innodb_buffer_pool_size = 256M
          innodb_log_file_size = 64M
          query_cache_type = 1
          query_cache_size = 32M
          max_connections = 200
          thread_cache_size = 8
          tmp_table_size = 32M
          max_heap_table_size = 32M
      notify: restart mysql
      tags: mysql-optimization

  handlers:
    - name: restart nginx
      service:
        name: "{{ nginx_service }}"
        state: restarted

    - name: restart php-fpm
      service:
        name: "{{ php_fpm_service }}"
        state: restarted

    - name: restart mysql
      service:
        name: "{{ mysql_service }}"
        state: restarted

    - name: restart redis
      service:
        name: redis-server
        state: restarted

    - name: restart memcached
      service:
        name: memcached
        state: restarted

    - name: restart fail2ban
      service:
        name: fail2ban
        state: restarted