---
- hosts: all

  # Install python if required
  # https://www.josharcher.uk/code/ansible-python-connection-failure-ubuntu-server-1604/
  gather_facts: False
  pre_tasks:
    - name: check lemmy_base_dir
      fail:
        msg: "`lemmy_base_dir` is unset. if you are upgrading from an older version, add `lemmy_base_dir=/lemmy` to your inventory file."
      when: lemmy_base_dir is not defined

    - name: install python for Ansible
      # python2-minimal instead of python-minimal for ubuntu 20.04 and up
      raw: test -e /usr/bin/python || (apt -y update && apt install -y python3-minimal python3-setuptools)
      args:
        executable: /bin/bash
      register: output
      changed_when: output.stdout != ''

    - setup: # gather facts

  tasks:
    - name: install dependencies
      dnf:
        state: latest
        update_cache: true
        pkg:
          - "nginx"
          - "certbot"
          - "python3-certbot-nginx"
          - "ca-certificates"
          - "curl"
          - "python3-pip"
          - "python3-virtualenv"
          - "python3-setuptools"

    - name: request initial letsencrypt certificate
      command: certbot certonly --nginx --agree-tos --cert-name '{{ domain }}' -d '{{ domain }}' -m '{{ letsencrypt_contact_email }}'
      args:
        creates: "/etc/letsencrypt/live/{{domain}}/privkey.pem"

    - name: create lemmy folder
      file:
        path: "{{item.path}}"
        owner: "{{item.owner}}"
        state: directory
      with_items:
        - path: "{{lemmy_base_dir}}/{{domain}}/"
          owner: "root"
        - path: "{{lemmy_base_dir}}/{{domain}}/volumes/"
          owner: "root"
        - path: "{{lemmy_base_dir}}/{{domain}}/volumes/pictrs/"
          owner: "991"

    - block:
        - set_fact:
            lemmy_port: "{{ 32767 |random(start=1024) }}"

        - name: add template files
          template:
            src: "{{item.src}}"
            dest: "{{item.dest}}"
            mode: "{{item.mode}}"
          with_items:
            - src: "templates/docker-compose.yml"
              dest: "{{lemmy_base_dir}}/{{domain}}/docker-compose.yml"
              mode: "0600"
            - src: "templates/nginx_internal.conf"
              dest: "{{lemmy_base_dir}}/{{domain}}/nginx_internal.conf"
              mode: "0644"
            - src: "templates/nginx.conf"
              dest: "/etc/nginx/sites-available/{{domain}}.conf"
              mode: "0644"
          vars:
            lemmy_docker_image: "dessalines/lemmy:{{ lemmy_version | default( lookup('file', 'VERSION') )}}"
            lemmy_docker_ui_image: "dessalines/lemmy-ui:{{ lemmy_ui_version | default(lemmy_version | default(lookup('file', 'VERSION')))}}"

        - block:
            - name: gather stats on site enabled config
              stat:
                path: "/etc/nginx/sites-enabled/{{domain}}.conf"
              register: reg_enabled

            - name: remove if regular file (legacy) instead of symlink
              file:
                path: "/etc/nginx/sites-enabled/{{domain}}.conf"
                state: absent
              when: reg_enabled.stat.exists and reg_enabled.stat.isreg

            - name: enable nginx site
              file:
                src: "../sites-available/{{domain}}.conf"
                dest: "/etc/nginx/sites-enabled/{{domain}}.conf"
                state: link

        - name: add the config.hjson
          template:
            src: "inventory/host_vars/{{domain}}/config.hjson"
            dest: "{{lemmy_base_dir}}/{{domain}}/lemmy.hjson"
            mode: "0600"
            owner: "1000"
            group: "1000"

        - name: add the customPostgresql.conf
          template:
            src: "inventory/host_vars/{{domain}}/customPostgresql.conf"
            dest: "{{lemmy_base_dir}}/{{domain}}/customPostgresql.conf"
            mode: "0600"
            owner: "1000"
            group: "1000"

      vars:
        postgres_password: "{{ lookup('password', 'inventory/host_vars/{{domain}}/passwords/postgres chars=ascii_letters,digits') }}"

    - name: enable and start podman service
      systemd:
        name: podman.socket 
        enabled: yes
        state: started

    # - name: Change the working directory to /opt
    #   ansible.builtin.shell:
    #     cmd: find .                    # To list files under /opt directory
    #     chdir: /opt                    # changes to /opt directory
    #     register: shell_output
    # - debug: var=shell_output

    - name: start docker-compose
      docker_compose:
        project_src: "{{lemmy_base_dir}}/{{domain}}"
        state: present
        pull: yes
        remove_orphans: yes

    - name: reload nginx with new config
      shell: nginx -s reload

    - name: certbot renewal cronjob
      cron:
        special_time: daily
        name: certbot-renew-lemmy
        user: root
        job: "certbot certonly --nginx --cert-name '{{ domain }}' -d '{{ domain }}' --deploy-hook 'nginx -s reload'"