---
# WetGIT FastAPI application + Celery worker
# Deploys to /opt/wetgit/backend with own venv and systemd services
#
# Directories are created by wetgit-forgejo role (runs first).
# This role only manages the FastAPI app and Celery worker.
#
# NOTE: Services are only enabled when application code exists.
# On first deploy (no code yet), this role is effectively a no-op.

- name: Check if application code exists
  stat:
    path: "{{ app_dir }}/backend/requirements.txt"
  register: app_code

- name: Create Python venv
  command: python3 -m venv {{ app_dir }}/backend/venv
  args:
    creates: "{{ app_dir }}/backend/venv/bin/python"
  when: app_code.stat.exists

- name: Set venv ownership
  file:
    path: "{{ app_dir }}/backend/venv"
    owner: www-data
    group: www-data
    recurse: yes
  when: app_code.stat.exists

- name: Install Python dependencies
  pip:
    requirements: "{{ app_dir }}/backend/requirements.txt"
    virtualenv: "{{ app_dir }}/backend/venv"
  when: app_code.stat.exists
  notify: restart wetgit

- name: Deploy environment file
  template:
    src: wetgit.env.j2
    dest: "{{ app_dir }}/backend/.env"
    owner: www-data
    group: www-data
    mode: "0600"
  notify: restart wetgit

- name: Deploy WetGIT systemd service
  template:
    src: wetgit.service.j2
    dest: /etc/systemd/system/wetgit.service
    owner: root
    group: root
    mode: "0644"
  notify: restart wetgit

- name: Deploy Celery worker systemd service
  template:
    src: wetgit-celery.service.j2
    dest: /etc/systemd/system/wetgit-celery.service
    owner: root
    group: root
    mode: "0644"
  notify: restart wetgit-celery

# Only start services when app code is deployed
- name: Enable and start WetGIT service
  systemd:
    name: wetgit
    enabled: yes
    state: started
    daemon_reload: yes
  when: app_code.stat.exists

- name: Enable and start Celery worker
  systemd:
    name: wetgit-celery
    enabled: yes
    state: started
    daemon_reload: yes
  when: app_code.stat.exists