---
- name: Install chat
  hosts: all
  become: true
  tasks:
    - name: Install deps
      ansible.builtin.apt:
        name:
          - git
          - vim
          - lighttpd
          - sudo
        state: present
        update_cache: true
      when: not (is_vmdb2 | bool)

    - name: Create dendrite directories
      ansible.builtin.file:
        path: "/home/{{ butter_user }}/dendrite/bin"
        state: directory
        owner: "{{ butter_user }}"
        group: "{{ butter_user }}"
        mode: "0755"

    - name: Download pre-built dendrite archive
      ansible.builtin.get_url:
        url: "https://guardianproject.dev/api/packages/butter/generic/dendrite/latest/dendrite-{{ go_arch_map[ansible_architecture] }}.tar.gz"
        dest: /tmp
        mode: '0644'

    - name: Untar dendrite
      ansible.builtin.unarchive:
        src: "/tmp/dendrite-{{ go_arch_map[ansible_architecture] }}.tar.gz"
        dest: "/home/{{ butter_user }}/dendrite/bin"
        remote_src: true
        extra_opts: [--strip-components=2]

    - name: Ensure butter_user owns Dendrite directory
      ansible.builtin.file:
        path: "/home/{{ butter_user }}/dendrite"
        state: directory
        recurse: true

    - name: Generate Matrix signing key
      ansible.builtin.command: ./bin/generate-keys --private-key matrix_key.pem
      args:
        creates: "/home/{{ butter_user }}/dendrite/matrix_key.pem"
        chdir: "/home/{{ butter_user }}/dendrite"

    - name: Generate self-signed TLS certificate (optional)
      ansible.builtin.command: ./bin/generate-keys --tls-cert server.crt --tls-key server.key
      args:
        chdir: "/home/{{ butter_user }}/dendrite"
        creates: "/home/{{ butter_user }}/dendrite/server.key"

    - name: Download Dendrite config to target
      ansible.builtin.template:
        src: "templates/butterbox-dendrite.conf.j2"
        dest: "/home/{{ butter_user }}/dendrite/butterbox-dendrite.conf"
        owner: "{{ butter_user }}"
        group: "{{ butter_user }}"
        mode: '0644'

    - name: Create log directory for Dendrite
      ansible.builtin.file:
        path: "/var/log/dendrite"
        state: directory
        owner: "{{ butter_user }}"
        group: "{{ butter_user }}"
        mode: '0755'
        recurse: true

    - name: template dendrite systemd service file
      ansible.builtin.template:
        src: templates/butterbox-dendrite.service.j2
        dest: /lib/systemd/system/dendrite.service
        owner: root
        group: root
        mode: '0644'

    - name: Enable dendrite by symlink
      ansible.builtin.file:
        src: /lib/systemd/system/dendrite.service
        dest: /etc/systemd/system/multi-user.target.wants/dendrite.service
        state: link

    - name: Ensure butter_user owns Dendrite directory
      ansible.builtin.file:
        path: "/home/{{ butter_user }}/dendrite"
        state: directory
        recurse: true
        owner: "{{ butter_user }}"
        group: "{{ butter_user }}"
        mode: "0755"

    - name: Restart service dendrite, issue daemon-reload to pick up config changes
      ansible.builtin.systemd_service:
        state: restarted
        daemon_reload: true
        name: dendrite
      when: not (is_vmdb2 | bool)

    - name: Start dendrite as user butter_user
      become: true
      become_user: "{{ butter_user }}"
      ansible.builtin.shell: |
        nohup /home/{{ butter_user }}/dendrite/bin/dendrite \
          --config /home/{{ butter_user }}/dendrite/butterbox-dendrite.conf \
          -really-enable-open-registration \
          > /var/log/dendrite/dendrite-provision.log 2>&1 &
      args:
        chdir: "/home/{{ butter_user }}"
      when: is_vmdb2 | bool
      changed_when: false

    - name: Wait for Dendrite client API to be available
      ansible.builtin.wait_for:
        host: "127.0.0.1"
        port: 8008
        delay: 3         # wait a few seconds before first check
        timeout: 60      # give it up to a minute to start
        state: started
      when: is_vmdb2 | bool

    - name: Copy public room script
      ansible.builtin.template:
        src: templates/create_public_room.sh.j2
        dest: "/home/{{ butter_user }}/create_public_room.sh"
        mode: '0755'

    - name: Run the create_public_room.sh script
      ansible.builtin.command: "/home/{{ butter_user }}/create_public_room.sh"
      register: room_creation
      ignore_errors: false
      changed_when: false

    - name: Show room creation output
      ansible.builtin.debug:
        var: room_creation.stdout