- name: Deploy memos and configure Caddy reverse proxy
  hosts: memos-box
  become: yes
  vars_files:
    - ../../infra_vars.yml
    - ../../services_config.yml
    - ./memos_vars.yml
  vars:
    memos_subdomain: "{{ subdomains.memos }}"
    caddy_sites_dir: "{{ caddy_sites_dir }}"
    memos_domain: "{{ memos_subdomain }}.{{ root_domain }}"

  tasks:
    - name: Install required packages
      apt:
        name:
          - wget
          - curl
          - unzip
        state: present
        update_cache: yes

    - name: Get latest memos release version
      uri:
        url: https://api.github.com/repos/usememos/memos/releases/latest
        return_content: yes
      register: memos_latest_release

    - name: Set memos version and find download URL
      set_fact:
        memos_version: "{{ memos_latest_release.json.tag_name | regex_replace('^v', '') }}"

    - name: Find linux-amd64 download URL
      set_fact:
        memos_download_url: "{{ memos_latest_release.json.assets | json_query('[?contains(name, `linux-amd64`) && (contains(name, `.tar.gz`) || contains(name, `.zip`))].browser_download_url') | first }}"

    - name: Display memos version to install
      debug:
        msg: "Installing memos version {{ memos_version }} from {{ memos_download_url }}"

    - name: Download memos binary
      get_url:
        url: "{{ memos_download_url }}"
        dest: /tmp/memos_archive
        mode: '0644'
      register: memos_download

    - name: Extract memos binary
      unarchive:
        src: /tmp/memos_archive
        dest: /tmp/memos_extract
        remote_src: yes
        creates: /tmp/memos_extract/memos

    - name: Install memos binary
      copy:
        src: /tmp/memos_extract/memos
        dest: /usr/local/bin/memos
        mode: '0755'
        remote_src: yes
      notify: Restart memos

    - name: Remove temporary files
      file:
        path: "{{ item }}"
        state: absent
      loop:
        - /tmp/memos_archive
        - /tmp/memos_extract

    - name: Ensure memos user exists
      user:
        name: memos
        system: yes
        shell: /usr/sbin/nologin
        home: /var/lib/memos
        create_home: yes
        state: present

    - name: Create memos data directory
      file:
        path: "{{ memos_data_dir }}"
        state: directory
        owner: memos
        group: memos
        mode: '0750'

    - name: Create memos systemd service file
      copy:
        dest: /etc/systemd/system/memos.service
        content: |
          [Unit]
          Description=memos service
          After=network.target

          [Service]
          Type=simple
          User=memos
          Group=memos
          ExecStart=/usr/local/bin/memos --port {{ memos_port }} --data {{ memos_data_dir }}
          Restart=on-failure
          RestartSec=5s

          [Install]
          WantedBy=multi-user.target
        owner: root
        group: root
        mode: '0644'
      notify: Restart memos

    - name: Enable and start memos service
      systemd:
        name: memos
        enabled: yes
        state: started
        daemon_reload: yes

    - name: Wait for memos to be ready
      uri:
        url: "http://localhost:{{ memos_port }}/api/v1/status"
        status_code: 200
      register: memos_ready
      until: memos_ready.status == 200
      retries: 30
      delay: 2
      ignore_errors: yes

    - name: Allow HTTPS through UFW
      ufw:
        rule: allow
        port: '443'
        proto: tcp

    - name: Allow HTTP through UFW (for Let's Encrypt)
      ufw:
        rule: allow
        port: '80'
        proto: tcp

    - name: Ensure Caddy sites-enabled directory exists
      file:
        path: "{{ caddy_sites_dir }}"
        state: directory
        owner: root
        group: root
        mode: '0755'

    - name: Ensure Caddyfile includes import directive for sites-enabled
      lineinfile:
        path: /etc/caddy/Caddyfile
        line: 'import sites-enabled/*'
        insertafter: EOF
        state: present
        backup: yes

    - name: Create Caddy reverse proxy configuration for memos
      copy:
        dest: "{{ caddy_sites_dir }}/memos.conf"
        content: |
          {{ memos_domain }} {
              reverse_proxy localhost:{{ memos_port }}
          }
        owner: root
        group: root
        mode: '0644'

    - name: Reload Caddy to apply new config
      command: systemctl reload caddy

  handlers:
    - name: Restart memos
      systemd:
        name: memos
        state: restarted