---
- name: Set architecture fact
  ansible.builtin.set_fact:
    _gitea_arch: "{{ {'x86_64': 'amd64', 'aarch64': 'arm64', 'armv7l': 'arm-6'}.get(ansible_architecture, 'amd64') }}"

- name: Get Gitea release info from GitHub
  ansible.builtin.uri:
    url: >-
      {{ 'https://api.github.com/repos/go-gitea/gitea/releases/latest'
         if gitea_version == ''
         else 'https://api.github.com/repos/go-gitea/gitea/releases/tags/v' + gitea_version }}
    headers:
      Accept: "application/vnd.github.v3+json"
    return_content: true
  register: _gitea_release

- name: Set version and download URL facts
  ansible.builtin.set_fact:
    _gitea_version_tag: "{{ _gitea_release.json.tag_name }}"
    _gitea_download_url: >-
      {{ _gitea_release.json.assets
         | selectattr('name', 'search', 'gitea-.*linux-' + _gitea_arch + '$')
         | map(attribute='browser_download_url')
         | first }}

- name: Read installed version
  ansible.builtin.slurp:
    src: "{{ gitea_install_dir }}/.gitea_version"
  register: _gitea_installed_raw
  ignore_errors: true
  become: true

- name: Set installed version fact
  ansible.builtin.set_fact:
    _gitea_installed_version: >-
      {{ (_gitea_installed_raw.content | b64decode | trim)
         if _gitea_installed_raw is not failed else '' }}

- name: Install or upgrade Gitea binary
  when: _gitea_installed_version != _gitea_version_tag
  block:
    - name: Download Gitea binary
      ansible.builtin.get_url:
        url: "{{ _gitea_download_url }}"
        dest: "{{ gitea_install_dir }}/gitea"
        mode: '0755'
        owner: root
        group: root
      become: true

    - name: Write installed version file
      ansible.builtin.copy:
        content: "{{ _gitea_version_tag }}"
        dest: "{{ gitea_install_dir }}/.gitea_version"
        mode: '0644'
      become: true

- name: Create Gitea home directory structure
  ansible.builtin.file:
    path: "{{ item }}"
    state: directory
    owner: "{{ gitea_user }}"
    group: "{{ gitea_group }}"
    mode: '0750'
  become: true
  loop:
    - "{{ gitea_home_dir }}"
    - "{{ gitea_home_dir }}/custom"
    - "{{ gitea_home_dir }}/data"
    - "{{ gitea_home_dir }}/log"

- name: Create Gitea config directory
  ansible.builtin.file:
    path: "{{ gitea_config_dir }}"
    state: directory
    owner: root
    group: "{{ gitea_group }}"
    mode: '0770'
  become: true

- name: Create Gitea systemd service
  ansible.builtin.copy:
    content: |
      [Unit]
      Description=Gitea Git Service
      After=syslog.target network.target

      [Service]
      RestartSec=2s
      Type=simple
      User={{ gitea_user }}
      Group={{ gitea_group }}
      WorkingDirectory={{ gitea_home_dir }}
      Environment=USER={{ gitea_user }} HOME=/home/{{ gitea_user }} GITEA_WORK_DIR={{ gitea_home_dir }}
      ExecStart={{ gitea_install_dir }}/gitea web --config {{ gitea_config_dir }}/app.ini
      Restart=always

      [Install]
      WantedBy=multi-user.target
    dest: /etc/systemd/system/gitea.service
    mode: '0644'
  become: true

- name: Enable and start Gitea service
  ansible.builtin.systemd:
    name: gitea
    enabled: "{{ gitea_service_enabled }}"
    state: "{{ gitea_service_state }}"
    daemon_reload: true
  become: true