---
- name: Deploy Nextcloud
  hosts: ubuntu
  become: true
  tasks:
    - name: Check if host has nextcloud service
      ansible.builtin.set_fact:
        has_nextcloud_service: "{{ 'nextcloud' in services | default([]) }}"

    - name: Skip hosts without nextcloud service
      ansible.builtin.meta: end_host
      when: not has_nextcloud_service

    - name: Install required packages for Nextcloud
      ansible.builtin.apt:
        name:
          - apache2
          - libapache2-mod-php
          - php-gd
          - php-pgsql
          - php-curl
          - php-mbstring
          - php-intl
          - php-gmp
          - php-bcmath
          - php-xml
          - php-imagick
          - php-zip
          - php-memcached
          - memcached
          - libmagickcore-6.q16-6-extra
          - unzip
          - curl
          - bzip2
          - acl
        state: present
        update_cache: true

    - name: Ensure Memcached is running
      ansible.builtin.service:
        name: memcached
        state: started
        enabled: true

    - name: Create Nextcloud data directory
      ansible.builtin.file:
        path: "{{ nextcloud_data_dir }}"
        state: directory
        owner: www-data
        group: www-data
        mode: '0750'

    - name: Check if Nextcloud is already installed
      ansible.builtin.stat:
        path: /var/www/nextcloud/version.php
      register: nextcloud_installed

    - name: Download Nextcloud tarball
      ansible.builtin.get_url:
        url: https://download.nextcloud.com/server/releases/latest.tar.bz2
        dest: /tmp/nextcloud-latest.tar.bz2
        mode: '0644'
      when: not nextcloud_installed.stat.exists

    - name: Extract Nextcloud tarball
      ansible.builtin.unarchive:
        src: /tmp/nextcloud-latest.tar.bz2
        dest: /tmp/
        remote_src: true
      when: not nextcloud_installed.stat.exists

    - name: Copy Nextcloud to web root
      ansible.builtin.copy:
        src: /tmp/nextcloud/
        dest: /var/www/nextcloud/
        remote_src: true
        owner: www-data
        group: www-data
        mode: preserve
      when: not nextcloud_installed.stat.exists

    - name: Set proper ownership for Nextcloud directory
      ansible.builtin.file:
        path: /var/www/nextcloud
        state: directory
        owner: www-data
        group: www-data
        recurse: true

    - name: Template Apache VirtualHost configuration
      ansible.builtin.template:
        src: nextcloud.conf.j2
        dest: /etc/apache2/sites-available/nextcloud.conf
        owner: root
        group: root
        mode: '0644'
      notify: reload apache

    - name: Disable default Apache site
      ansible.builtin.command:
        cmd: a2dissite 000-default.conf
      args:
        removes: /etc/apache2/sites-enabled/000-default.conf
      notify: reload apache

    - name: Enable Nextcloud Apache site
      ansible.builtin.command:
        cmd: a2ensite nextcloud.conf
      args:
        creates: /etc/apache2/sites-enabled/nextcloud.conf
      notify: reload apache

    - name: Enable required Apache modules
      ansible.builtin.command:
        cmd: "a2enmod {{ item }}"
      loop:
        - rewrite
        - headers
        - env
        - dir
        - mime
      notify: reload apache
      register: apache_mods
      changed_when: "'already enabled' not in apache_mods.stdout"

    - name: Check if Nextcloud is already configured
      ansible.builtin.stat:
        path: /var/www/nextcloud/config/config.php
      register: nextcloud_config

    - name: Run Nextcloud installation
      become_user: www-data
      ansible.builtin.command:
        cmd: >
          php /var/www/nextcloud/occ maintenance:install
          --database "pgsql"
          --database-name "{{ nextcloud_db_name }}"
          --database-host "{{ nextcloud_db_host }}"
          --database-port "{{ nextcloud_db_port }}"
          --database-user "{{ nextcloud_db_user }}"
          --database-pass "{{ nextcloud_db_password }}"
          --admin-user "{{ nextcloud_admin_user }}"
          --admin-pass "{{ nextcloud_admin_password }}"
          --data-dir "{{ nextcloud_data_dir }}"
      when: not nextcloud_config.stat.exists
      no_log: true

    - name: Add trusted domain
      become_user: www-data
      ansible.builtin.command:
        cmd: "php /var/www/nextcloud/occ config:system:set trusted_domains 1 --value={{ nextcloud_domain }}"
      changed_when: false

    - name: Configure Memcached
      become_user: www-data
      ansible.builtin.command:
        cmd: "php /var/www/nextcloud/occ config:system:set memcache.local --value='\\OC\\Memcache\\Memcached'"
      changed_when: false

    - name: Configure Memcached server
      become_user: www-data
      ansible.builtin.command:
        cmd: "php /var/www/nextcloud/occ config:system:set memcache.distributed --value='\\OC\\Memcache\\Memcached'"
      changed_when: false

    - name: Configure cron job for Nextcloud
      ansible.builtin.cron:
        name: "Nextcloud background jobs"
        minute: "*/5"
        user: www-data
        job: "php /var/www/nextcloud/cron.php"
        state: present

    - name: Set Nextcloud background job mode to cron
      become_user: www-data
      ansible.builtin.command:
        cmd: "php /var/www/nextcloud/occ background:cron"
      changed_when: false

    - name: Ensure Apache is running
      ansible.builtin.service:
        name: apache2
        state: started
        enabled: true

  handlers:
    - name: reload apache
      ansible.builtin.service:
        name: apache2
        state: reloaded

    - name: restart apache
      ansible.builtin.service:
        name: apache2
        state: restarted