- name: Install Forgejo on Debian 12 with Caddy reverse proxy
  hosts: vipy
  become: yes
  vars_files:
    - ../../infra_vars.yml
    - ../../services_config.yml
    - ../../infra_secrets.yml
    - ./forgejo_vars.yml
  vars:
    forgejo_subdomain: "{{ subdomains.forgejo }}"
    caddy_sites_dir: "{{ caddy_sites_dir }}"
    forgejo_domain: "{{ forgejo_subdomain }}.{{ root_domain }}"
    uptime_kuma_api_url: "https://{{ subdomains.uptime_kuma }}.{{ root_domain }}"

  tasks:
    - name: Ensure required packages are installed
      apt:
        name:
          - git
          - git-lfs
          - wget
        state: present
        update_cache: true

    - name: Download Forgejo binary
      get_url:
        url: "{{ forgejo_url }}"
        dest: "/tmp/forgejo"
        mode: '0755'

    - name: Move Forgejo binary to /usr/local/bin
      copy:
        src: "/tmp/forgejo"
        dest: "{{ forgejo_bin_path }}"
        remote_src: yes
        mode: '0755'

    - name: Create git system user
      user:
        name: "{{ forgejo_user }}"
        system: yes
        shell: /bin/bash
        home: "/home/{{ forgejo_user }}"
        create_home: yes
        comment: 'Git Version Control'

    - name: Create Forgejo data directory
      file:
        path: "{{ forgejo_data_dir }}"
        state: directory
        owner: "{{ forgejo_user }}"
        group: "{{ forgejo_user }}"
        mode: '0750'

    - name: Create Forgejo config directory
      file:
        path: "{{ forgejo_config_dir }}"
        state: directory
        owner: "{{ forgejo_user }}"
        group: "{{ forgejo_user }}"
        mode: '0770'

    - name: Create Forgejo config file
      ansible.builtin.copy:
        dest: "{{ forgejo_config_dir }}/app.ini"
        content: |
          APP_NAME = ; Countergit

          [server]
          HTTP_PORT = {{ forgejo_port }}
        owner: "{{ forgejo_user }}"
        group: "{{ forgejo_user }}"
        mode: '0644'
  
    - name: Download Forgejo systemd service file
      get_url:
        url: "{{ forgejo_service_url }}"
        dest: "/etc/systemd/system/forgejo.service"
        mode: '0644'

    - name: Reload systemd
      systemd:
        daemon_reload: yes

    - name: Enable and start Forgejo service
      systemd:
        name: forgejo
        enabled: yes
        state: started

    - 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 forgejo
      copy:
        dest: "{{ caddy_sites_dir }}/forgejo.conf"
        content: |
          {{ forgejo_domain }} {
              reverse_proxy localhost:{{ forgejo_port }}
          }
        owner: root
        group: root
        mode: '0644'

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

    - name: Create Uptime Kuma monitor setup script for Forgejo
      delegate_to: localhost
      become: no
      copy:
        dest: /tmp/setup_forgejo_monitor.py
        content: |
          #!/usr/bin/env python3
          import sys
          import yaml
          from uptime_kuma_api import UptimeKumaApi, MonitorType
          
          try:
              with open('/tmp/ansible_config.yml', 'r') as f:
                  config = yaml.safe_load(f)
              
              url = config['uptime_kuma_url']
              username = config['username']
              password = config['password']
              monitor_url = config['monitor_url']
              monitor_name = config['monitor_name']
              
              api = UptimeKumaApi(url, timeout=30)
              api.login(username, password)
              
              # Get all monitors
              monitors = api.get_monitors()
              
              # Find or create "services" group
              group = next((m for m in monitors if m.get('name') == 'services' and m.get('type') == 'group'), None)
              if not group:
                  group_result = api.add_monitor(type='group', name='services')
                  # Refresh to get the group with id
                  monitors = api.get_monitors()
                  group = next((m for m in monitors if m.get('name') == 'services' and m.get('type') == 'group'), None)
              
              # Check if monitor already exists
              existing_monitor = None
              for monitor in monitors:
                  if monitor.get('name') == monitor_name:
                      existing_monitor = monitor
                      break
              
              # Get ntfy notification ID
              notifications = api.get_notifications()
              ntfy_notification_id = None
              for notif in notifications:
                  if notif.get('type') == 'ntfy':
                      ntfy_notification_id = notif.get('id')
                      break
              
              if existing_monitor:
                  print(f"Monitor '{monitor_name}' already exists (ID: {existing_monitor['id']})")
                  print("Skipping - monitor already configured")
              else:
                  print(f"Creating monitor '{monitor_name}'...")
                  api.add_monitor(
                      type=MonitorType.HTTP,
                      name=monitor_name,
                      url=monitor_url,
                      parent=group['id'],
                      interval=60,
                      maxretries=3,
                      retryInterval=60,
                      notificationIDList={ntfy_notification_id: True} if ntfy_notification_id else {}
                  )
              
              api.disconnect()
              print("SUCCESS")
              
          except Exception as e:
              print(f"ERROR: {str(e)}", file=sys.stderr)
              sys.exit(1)
        mode: '0755'

    - name: Create temporary config for monitor setup
      delegate_to: localhost
      become: no
      copy:
        dest: /tmp/ansible_config.yml
        content: |
          uptime_kuma_url: "{{ uptime_kuma_api_url }}"
          username: "{{ uptime_kuma_username }}"
          password: "{{ uptime_kuma_password }}"
          monitor_url: "https://{{ forgejo_domain }}/api/healthz"
          monitor_name: "Forgejo"
        mode: '0644'

    - name: Run Uptime Kuma monitor setup
      command: python3 /tmp/setup_forgejo_monitor.py
      delegate_to: localhost
      become: no
      register: monitor_setup
      changed_when: "'SUCCESS' in monitor_setup.stdout"
      ignore_errors: yes

    - name: Clean up temporary files
      delegate_to: localhost
      become: no
      file:
        path: "{{ item }}"
        state: absent
      loop:
        - /tmp/setup_forgejo_monitor.py
        - /tmp/ansible_config.yml