---
# Gitea Service Role - Self-Contained Implementation
# Manages Gitea Git service with own database

- name: Validate infrastructure variables are defined
  assert:
    that:
      - postgresql_unix_socket_directories is defined
      - postgresql_client_group is defined
      - postgresql_port is defined
    fail_msg: "Missing required infrastructure variables. Ensure PostgreSQL role has run first."
    success_msg: "Infrastructure variables validated successfully"

- name: Install Gitea from Arch repository
  pacman:
    name: gitea
    state: present

- name: Install Git 
  pacman:
    name: git
    state: present

- name: Create Gitea user and group
  user:
    name: "{{ gitea_user }}"
    group: "{{ gitea_group }}"
    system: yes
    shell: /bin/bash
    home: "{{ gitea_home }}"
    create_home: yes

- name: Create Gitea directories
  file:
    path: "{{ item }}"
    state: directory
    owner: "{{ gitea_user }}"
    group: "{{ gitea_group }}"
    mode: '0755'
  loop:
    - "{{ gitea_home }}"
    - "{{ gitea_home }}/data"
    - "{{ gitea_home }}/repositories"
    - "{{ gitea_home }}/log"
    - /etc/gitea

- name: Create Gitea SSH directory with proper permissions
  file:
    path: "{{ gitea_home }}/.ssh"
    state: directory
    owner: "{{ gitea_user }}"
    group: "{{ gitea_group }}"
    mode: '0700'

# Socket access setup (using infrastructure variables)
- name: Add git user to PostgreSQL client group for socket access
  user:
    name: "{{ gitea_user }}"
    groups: "{{ postgresql_client_group }}"
    append: true

- name: Test PostgreSQL socket connectivity
  postgresql_ping:
    login_unix_socket: "{{ postgresql_unix_socket_directories }}"
    login_user: "{{ gitea_user }}"
  become: true
  become_user: "{{ gitea_user }}"

# Self-contained database management
- name: Create Gitea database user via socket
  postgresql_user:
    name: "{{ gitea_db_user }}"
    password: "{{ gitea_db_password }}"
    encrypted: yes
    login_unix_socket: "{{ postgresql_unix_socket_directories }}"
    login_user: postgres
  become: true
  become_user: postgres

- name: Create Gitea database via socket
  postgresql_db:
    name: "{{ gitea_db_name }}"
    owner: "{{ gitea_db_user }}"
    encoding: UTF8
    template: template0
    login_unix_socket: "{{ postgresql_unix_socket_directories }}"
    login_user: postgres
  become: true
  become_user: postgres

- name: Grant Gitea database privileges
  postgresql_privs:
    db: "{{ gitea_db_name }}"
    privs: ALL
    type: database
    role: "{{ gitea_db_user }}"
    login_unix_socket: "{{ postgresql_unix_socket_directories }}"
    login_user: postgres
  become: true
  become_user: postgres

- name: Deploy Gitea configuration
  template:
    src: app.ini.j2
    dest: /etc/gitea/app.ini
    owner: "{{ gitea_user }}"
    group: "{{ gitea_group }}"
    mode: '0600'
  notify: restart gitea

- name: Deploy Gitea systemd service file
  template:
    src: gitea.service.j2
    dest: /etc/systemd/system/gitea.service
    mode: '0644'
  notify:
    - reload systemd
    - restart gitea

- name: Deploy Caddy configuration for Gitea
  template:
    src: gitea.caddy.j2
    dest: "{{ caddy_sites_enabled_dir }}/gitea.caddy"
    mode: '0644'
  notify: reload caddy
  when: caddy_sites_enabled_dir is defined

- name: Enable and start Gitea service
  systemd:
    name: gitea
    enabled: "{{ gitea_service_enabled }}"
    state: "{{ gitea_service_state }}"
    daemon_reload: yes

- name: Wait for Gitea to be ready
  wait_for:
    port: "{{ gitea_http_port }}"
    host: "127.0.0.1"
    timeout: 30
  when: gitea_service_state == "started"

- name: Display Gitea service status
  debug:
    msg: |
      ✅ Gitea Git service deployed successfully!
      
      🌐 Web Interface: https://{{ gitea_full_domain }}
      🔗 SSH Clone: ssh://git@{{ gitea_full_domain }}:{{ gitea_ssh_port }}
      📦 Local HTTP: http://127.0.0.1:{{ gitea_http_port }}
      🗄️  Database: {{ gitea_db_name }} (self-managed)
      
      🏗️ Self-contained service ready for Git repositories!