# Copyright (C) 2019-2020  Free I.T. Athens
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

- name: Install MySQL Support for Python
  apt:
    name: python-pymysql
    state: present

- name: Create Database
  mysql_db:
    name: "{{ nc_db_name }}"
    state: present
    login_unix_socket: /var/run/mysqld/mysqld.sock

- name: Create Database User
  mysql_user:
    name: "{{ nc_db_user }}"
    password: "{{ nc_db_pass }}"
    priv: "{{ nc_db_name }}.*:ALL,GRANT"
    state: present
    login_unix_socket: /var/run/mysqld/mysqld.sock

- name: Install PHP Modules
  apt:
    name: [
            # Required
            'php-ctype', 'php-curl', 'php-dom',
            'php-gd', 'php-iconv', 'php-json', 'php-xml',
            'php-mbstring', 'php-posix', 'php-simplexml',
            'php-xmlreader', 'php-xmlwriter', 'php-zip',

            # Database Connectors
            'php-pgsql',

            # Recommended Packages
            'php-fileinfo', 'php-bz2', 'php-intl',

            # Enhanced Performance
            'php-redis', 'redis-server',

            # Preview Generation
            'php-imagick'
          ]
    state: present
  notify: Reload Apache2

- name: Create Public HTML Directory
  file:
    path: "{{ nc_dir }}/public_html"
    state: directory

- name: Create Nextcloud Directories
  file:
    path: "{{ nc_dir }}/public_html/data"
    state: directory
    owner: www-data
    group: www-data

- name: Create Logs Directory
  file:
    path: "{{ nc_dir }}/logs"
    state: directory

- name: Download Nextcloud
  get_url:
    url: "https://download.nextcloud.com/server/releases/\
          nextcloud-{{ nc_version }}.tar.bz2"
    dest: /tmp/nextcloud-{{ nc_version }}.tar.bz2
    checksum: sha256:{{ nc_sha256_hash }}

- name: Extract Nextcloud
  unarchive:
    src: /tmp/nextcloud-{{ nc_version }}.tar.bz2
    dest: "{{ nc_dir }}/public_html"
    owner: www-data
    group: www-data
    extra_opts: [--strip-components=1]
    remote_src: yes

- name: Install Nextcloud
  command: |
    php occ maintenance:install --database mysql \
    --database-name {{ nc_db_name }} --database-host {{ nc_db_host }} \
    --database-user {{ nc_db_user }} --database-pass {{ nc_db_pass }} \
    --admin-user {{ nc_admin }} --admin-pass {{ nc_admin_pass }} \
    --data-dir {{ nc_dir }}/public_html/data
  become_user: www-data
  register: nextcloud_install
  args:
    chdir: "{{ nc_dir }}/public_html"
    creates: "{{ nc_dir }}/public_html/config/config.php"

- name: Add Missing Database Indexes
  command: php occ db:add-missing-indices
  become_user: www-data
  args:
    chdir: "{{ nc_dir }}/public_html"
  when: nextcloud_install.changed

- name: Add Domain Name to Trusted Domains
  command: |
    php occ config:system:set trusted_domains 0 --value={{ nc_domain }}
  become_user: www-data
  args:
    chdir: "{{ nc_dir }}/public_html"
  when: nextcloud_install.changed

- name: "Enable Apache2 Module: rewrite"
  apache2_module: name=rewrite state=present

- name: Apply Apache Configuration
  template:
    src: nextcloud.conf.j2
    dest: /etc/apache2/sites-available/{{ nc_domain }}.conf
  notify: Reload Apache2

- name: Enable Apache Website
  shell: a2ensite {{ nc_domain }}
  args:
    creates: /etc/apache2/sites-enabled/{{ nc_domain }}.conf
  notify: Reload Apache2