---
# Role: app_setup
# Purpose: create app layout, env file, deploy script, and systemd units.

- name: Ensure app root directory exists
  ansible.builtin.file:
    path: "{{ app_root }}"
    state: directory
    owner: "{{ app_owner }}"
    group: "{{ app_group }}"
    mode: "0755"

- name: Ensure backend directory exists
  ansible.builtin.file:
    path: "{{ app_backend_dir }}"
    state: directory
    owner: "{{ app_owner }}"
    group: "{{ app_group }}"
    mode: "0755"
  when: app_enable_backend | bool

- name: Ensure frontend directory exists
  ansible.builtin.file:
    path: "{{ app_frontend_dir }}"
    state: directory
    owner: "{{ app_owner }}"
    group: "{{ app_group }}"
    mode: "0755"
  when: app_enable_frontend | bool

- name: Deploy environment file for this env
  ansible.builtin.template:
    src: env.j2
    dest: "{{ app_root }}/.env.{{ app_env }}"
    owner: "{{ app_owner }}"
    group: "{{ app_group }}"
    mode: "0640"

- name: Deploy deploy script
  ansible.builtin.template:
    src: deploy_app.sh.j2
    dest: /usr/local/bin/deploy_app.sh
    owner: root
    group: root
    mode: "0755"

- name: Deploy systemd unit for backend
  ansible.builtin.template:
    src: app-backend.service.j2
    dest: /etc/systemd/system/app-backend.service
    owner: root
    group: root
    mode: "0644"
  notify: Reload systemd
  when: app_enable_backend | bool

- name: Deploy systemd unit for frontend
  ansible.builtin.template:
    src: app-frontend.service.j2
    dest: /etc/systemd/system/app-frontend.service
    owner: root
    group: root
    mode: "0644"
  notify: Reload systemd
  when: app_enable_frontend | bool

- name: Ensure systemd is reloaded before enabling services
  ansible.builtin.meta: flush_handlers

- name: Enable and start backend service
  ansible.builtin.systemd:
    name: app-backend.service
    enabled: true
    state: started
  when: app_enable_backend | bool

- name: Enable and start frontend service
  ansible.builtin.systemd:
    name: app-frontend.service
    enabled: true
    state: started
  when: app_enable_frontend | bool