# https://seafile.readthedocs.io/en/latest/config/seafile/seadav/#seafdav-configuration
# https://manual.seafile.com/deploy/using_sqlite/
# https://manual.seafile.com/deploy/using_sqlite/#setup-in-non-interactive-way
# https://manual.seafile.com/deploy/deploy_with_nginx
# https://manual.seafile.com/deploy/deploy_seahub_at_non-root_domain/
# https://seafile.readthedocs.io/en/latest/installation/seafile/#enable-seafile-server-autostart-systemd
---

- name: 'install required apt packages'
  apt:
    name:
      - 'libmemcached-dev'
      - 'memcached'
      - 'pwgen'
      - 'python3'
      - 'python3-setuptools'
      - 'python3-pip'
      - 'sqlite3'
      - 'libopenjp2-7'
      - 'libtiff5'
    state: 'present'
    update_cache: true

- name: 'install required pip packages'
  become_user: '{{ seafile_user_grp }}'
  pip:
    name:
      - 'captcha'
      - 'django==2.2.*'
      - 'django-pylibmc'
      - 'django-simple-captcha'
      - 'future'
      - 'jinja2'
      - 'Pillow'
      - 'psd-tools'
      - 'pylibmc'
      - 'pexpect'
    state: 'present'

- name: 'create seafile installation and data directories'
  file:
    path: '{{ item.path }}'
    state: 'directory'
    owner: '{{ item.owner }}'
    group: '{{ item.group }}'
    mode: '{{ item.mode }}'
  loop:
    - {path: '{{ seafile_install_dir }}/installed', owner: '{{ seafile_user_grp }}', group: '{{ seafile_user_grp }}', mode: '775'}
    - {path: '{{ seafile_data_dir }}', owner: '{{ ansible_user }}', group: '{{ ansible_user }}', mode: '755'}

- name: 'download seafile package to local folder'
  become_user: '{{ seafile_user_grp }}'
  get_url:
    url: '{{ seafile_download_url }}'
    dest: '{{ seafile_install_dir }}/installed/seafile-{{ seafile_version }}.tar.gz'
    mode: '644'
  register: '_download_archive'
  until: '_download_archive is succeeded'
  retries: 5
  delay: 2
  check_mode: false

- name: 'unpack seafile binaries'
  become_user: '{{ seafile_user_grp }}'
  unarchive:
    src: '{{ seafile_install_dir }}/installed/seafile-{{ seafile_version }}.tar.gz'
    dest: '{{ seafile_install_dir }}'
    remote_src: true
    creates: '{{ seafile_install_dir }}/seafile-server-{{ seafile_version }}'
  check_mode: false

# this hack is needed for this version only
- name: 'Remove old PIL dir'
  become_user: '{{ seafile_user_grp }}'
  file:
    path: '{{ seafile_install_dir }}/seafile-server-{{ seafile_version }}/seahub/thirdpart/PIL'
    state: 'absent'
  when: '"buster" in seafile_download_url'

# RUN NON-INTERACTIVELY
- name: 'Run setup script'  # noqa no-changed-when command-instead-of-shell
  become_user: '{{ seafile_user_grp }}'
  shell: './setup-seafile.sh auto -n "{{ inventory_hostname }}" -i "0.0.0.0"'
  args:
    executable: '/bin/bash'
    chdir: '{{ seafile_install_dir }}/seafile-server-{{ seafile_version }}'
    creates: '{{ seafile_install_dir }}/conf/ccnet.conf'

- name: 'Get stats of the data object'
  stat:
    path: '{{ seafile_install_dir }}/seafile-data'
  register: sym

- block:
    - name: 'Ensure Seafile is not running yet'  # noqa command-instead-of-shell
      become_user: '{{ seafile_user_grp }}'
      shell: './seafile.sh stop'
      args:
        executable: '/bin/bash'
        chdir: '{{ seafile_install_dir }}/seafile-server-{{ seafile_version }}'

    - name: 'Move old data to new data'   # noqa risky-file-permissions
      become_user: '{{ seafile_user_grp }}'
      copy:
        src: '{{ seafile_install_dir }}/seafile-data/'
        dest: '{{ seafile_data_dir }}'
        remote_src: true

    - name: 'Delete old data dir'
      become_user: '{{ seafile_user_grp }}'
      file:
        path: '{{ seafile_install_dir }}/seafile-data'
        state: 'absent'

    - name: 'Create symlink to new data dir'
      become_user: '{{ seafile_user_grp }}'
      file:
        src: '{{ seafile_data_dir }}'
        dest: '{{ seafile_install_dir }}/seafile-data'
        state: 'link'
  when: sym.stat.islnk is defined and (not sym.stat.islnk)  # => first time setup

- name: 'Copy conf files'
  become_user: '{{ seafile_user_grp }}'
  template:
    src: '{{ item }}.j2'
    dest: '{{ seafile_install_dir }}/conf/{{ item }}'
    mode: '644'
  loop:
    - 'ccnet.conf'
    - 'seafdav.conf'
  notify:
    - 'seafile restart'
    - 'seahub restart'

- name: 'Update gunicorn conf'
  lineinfile:
    path: '{{ seafile_install_dir }}/conf/gunicorn.conf.py'
    regexp: '^bind'
    line: 'bind = "127.0.0.1:8000"'
  notify:
    - 'seahub restart'

# some stuff needed for nginx based install
- name: 'Update seahub_settings.py'
  become_user: '{{ seafile_user_grp }}'
  blockinfile:
    path: '{{ seafile_install_dir }}/conf/seahub_settings.py'
    insertafter: '^SECRET_KEY'
    block: |
      DEBUG = False
      FILE_SERVER_ROOT = 'https://{{ seafile_domain }}/seafhttp'
      SERVE_STATIC = False
      MEDIA_URL = '/seafmedia/'
      COMPRESS_URL = MEDIA_URL
      STATIC_URL = MEDIA_URL + 'assets/'
      SITE_ROOT = '/files/'
      LOGIN_URL = '/files/accounts/login/'
  notify:
    - 'seahub restart'

- block:
    - name: 'Run Seafile start script'  # noqa command-instead-of-shell
      become_user: '{{ seafile_user_grp }}'
      shell: './seafile.sh start'
      args:
        executable: '/bin/bash'
        chdir: '{{ seafile_install_dir }}/seafile-server-{{ seafile_version }}'

    - name: 'Init Seahub with a user'
      become_user: '{{ seafile_user_grp }}'
      expect:
        command: './seahub.sh start'
        chdir: '{{ seafile_install_dir }}/seafile-server-{{ seafile_version }}'
        responses:
          (?i)email: "{{ seafile_user_email }}"
          (?i)password: "{{ seafile_user_password }}"

  when: sym.stat.islnk is defined and (not sym.stat.islnk)  # => first time setup

- name: 'Create systemd services'
  template:
    src: '{{ item }}.j2'
    dest: '/etc/systemd/system/{{ item }}'
    mode: '644'
  loop:
    - 'seafile.service'
    - 'seahub.service'
  notify:
    - 'seafile restart'
    - 'seahub restart'

- name: 'Reload systemd units'
  systemd:
    daemon_reload: true

- block:
    - name: 'Run Seahub start script'  # noqa command-instead-of-shell
      become_user: '{{ seafile_user_grp }}'
      shell: './seahub.sh stop'
      args:
        executable: '/bin/bash'
        chdir: '{{ seafile_install_dir }}/seafile-server-{{ seafile_version }}'

    - name: 'Run Seafile stop script'  # noqa command-instead-of-shell
      become_user: '{{ seafile_user_grp }}'
      shell: './seafile.sh stop'
      args:
        executable: '/bin/bash'
        chdir: '{{ seafile_install_dir }}/seafile-server-{{ seafile_version }}'
  when: sym.stat.islnk is defined and (not sym.stat.islnk)  # => first time setup

- name: 'Start Seafile and Seahub'
  systemd:
    name: '{{ item }}'
    state: 'started'
    enabled: true
  loop:
    - 'seafile'
    - 'seahub'