#SPDX-License-Identifier: GPL-3.0-only
---
- name: "Create Gitea System Group"
  when: gitea_user_create
  ansible.builtin.group:
    name: '{{ gitea_group }}'
    gid: '{{ gitea_gid | default(omit, true) }}'
    system: true

- name: "Create Gitea System User"
  when: gitea_user_create
  ansible.builtin.user:
    name: '{{ gitea_user }}'
    group: '{{ gitea_group }}'
    uid: '{{ gitea_uid | default(omit, true) }}'
    home: '{{ gitea_user_home }}'
    shell: '{{ gitea_user_shell }}'
    system: true
    create_home: true

- name: "Create Install Folder"
  ansible.builtin.file:
    path: '{{ gitea_opt }}'
    state: directory
    owner: '{{ gitea_user }}'
    group: '{{ gitea_group }}'
    mode: '0755'

- name: "Create Config Folder"
  ansible.builtin.file:
    path: '{{ gitea_etc }}'
    state: directory
    owner: '{{ gitea_user }}'
    group: '{{ gitea_group }}'
    mode: '0750'

- name: "Create Data Folders"
  ansible.builtin.file:
    path: '{{ item }}'
    state: directory
    owner: '{{ gitea_user }}'
    group: '{{ gitea_group }}'
    mode: '0750'
  loop:
    - '{{ gitea_home }}'
    - '{{ gitea_home }}/custom'
    - '{{ gitea_home }}/data'
    - '{{ gitea_home }}/log'

- name: "Download Versioned Binary"
  register: download_version
  ansible.builtin.get_url:
    url: '{{ gitea_url }}'
    dest: '{{ gitea_opt }}/gitea-{{ gitea_version }}-linux-{{ gitea_arch }}'
    checksum: 'sha256:{{ gitea_url }}.sha256'
    owner: '{{ gitea_user }}'
    group: '{{ gitea_group }}'
    mode: '0755'

- name: "Symlink Active Binary"
  register: gitea_symlink
  notify: gitea_restart
  ansible.builtin.file:
    src: '{{ gitea_opt }}/gitea-{{ gitea_version }}-linux-{{ gitea_arch }}'
    dest: '{{ gitea_opt }}/{{ gitea_name }}'
    state: link
    owner: '{{ gitea_user }}'
    group: '{{ gitea_group }}'
    follow: false

- name: "List Installed Versioned Binaries"
  ansible.builtin.find:
    paths: '{{ gitea_opt }}'
    patterns: 'gitea-*-linux-{{ gitea_arch }}'
    file_type: file
    recurse: false
  register: gitea_installed_binaries

- name: "Compute Versioned Binaries To Prune"
  ansible.builtin.set_fact:
    gitea_binaries_to_prune: >-
      {{
        (
          gitea_installed_binaries.files
          | sort(attribute='mtime', reverse=true)
          | rejectattr('path', 'equalto', gitea_opt ~ '/gitea-' ~ gitea_version ~ '-linux-' ~ gitea_arch)
          | list
        )[gitea_keep_versions:]
      }}

- name: "Prune Old Versioned Binaries"
  ansible.builtin.file:
    path: '{{ item.path }}'
    state: absent
  loop: '{{ gitea_binaries_to_prune }}'
  loop_control:
    label: '{{ item.path }}'

- name: "Slurp existing App Config"
  ansible.builtin.slurp:
    src: '{{ gitea_etc }}/app.ini'
  register: _gitea_existing_ini
  failed_when: false
  no_log: true

- name: "Extract existing secrets from App Config"
  vars:
    _ini: '{{ _gitea_existing_ini.content | default("") | b64decode }}'
  ansible.builtin.set_fact:
    _gitea_secret_key: >-
      {{ (_ini | regex_search('SECRET_KEY\s*=\s*(\S+)', '\1') or ['']) | first }}
    _gitea_internal_token: >-
      {{ (_ini | regex_search('INTERNAL_TOKEN\s*=\s*(\S+)', '\1') or ['']) | first }}
    _gitea_jwt_secret: >-
      {{ (_ini | regex_search('(?m)^JWT_SECRET\s*=\s*(\S+)', '\1') or ['']) | first }}
  no_log: true

- name: "Generate SECRET_KEY"
  when:
    - "'SECRET_KEY' not in (gitea_app_ini.security | default({}))"
    - _gitea_secret_key == ''
  ansible.builtin.command:
    argv:
      - '{{ gitea_opt }}/{{ gitea_name }}'
      - generate
      - secret
      - SECRET_KEY
  register: _gitea_gen_secret_key
  changed_when: false
  no_log: true

- name: "Generate INTERNAL_TOKEN"
  when:
    - "'INTERNAL_TOKEN' not in (gitea_app_ini.security | default({}))"
    - _gitea_internal_token == ''
  ansible.builtin.command:
    argv:
      - '{{ gitea_opt }}/{{ gitea_name }}'
      - generate
      - secret
      - INTERNAL_TOKEN
  register: _gitea_gen_internal_token
  changed_when: false
  no_log: true

- name: "Generate JWT_SECRET"
  when:
    - "'JWT_SECRET' not in (gitea_app_ini.oauth2 | default({}))"
    - _gitea_jwt_secret == ''
  ansible.builtin.command:
    argv:
      - '{{ gitea_opt }}/{{ gitea_name }}'
      - generate
      - secret
      - JWT_SECRET
  register: _gitea_gen_jwt_secret
  changed_when: false
  no_log: true

- name: "Merge generated secrets into App Config"
  vars:
    _secret_key: >-
      {{ gitea_app_ini.security.SECRET_KEY | default(
           _gitea_secret_key if _gitea_secret_key != ''
           else ((_gitea_gen_secret_key | default({})).stdout | default('') | trim)
         ) }}
    _internal_token: >-
      {{ gitea_app_ini.security.INTERNAL_TOKEN | default(
           _gitea_internal_token if _gitea_internal_token != ''
           else ((_gitea_gen_internal_token | default({})).stdout | default('') | trim)
         ) }}
    _jwt_secret: >-
      {{ gitea_app_ini.oauth2.JWT_SECRET | default(
           _gitea_jwt_secret if _gitea_jwt_secret != ''
           else ((_gitea_gen_jwt_secret | default({})).stdout | default('') | trim)
         ) }}
  ansible.builtin.set_fact:
    gitea_app_ini: >-
      {{ gitea_app_ini | combine({
           'security': (gitea_app_ini.security | default({})) | combine({
             'SECRET_KEY': _secret_key,
             'INTERNAL_TOKEN': _internal_token
           }),
           'oauth2': (gitea_app_ini.oauth2 | default({})) | combine({
             'JWT_SECRET': _jwt_secret
           })
         }) }}
  no_log: true

- name: "Template App Config"
  notify: gitea_restart
  ansible.builtin.template:
    src: '../templates/app.ini.j2'
    dest: '{{ gitea_etc }}/app.ini'
    owner: '{{ gitea_user }}'
    group: '{{ gitea_group }}'
    mode: '0640'
    backup: false

- name: "Template Gitea Service"
  register: template_gitea_service
  ansible.builtin.template:
    src: '../templates/gitea-service.j2'
    dest: '{{ systemd_conf }}/{{ gitea_name }}.service'
    owner: 'root'
    group: 'root'
    mode: '0644'
    backup: false

- name: "Enable Gitea Service"
  when: template_gitea_service.changed
  ansible.builtin.systemd:
    name: '{{ gitea_name }}.service'
    daemon_reload: true
    enabled: true

- name: "Start Gitea Service"
  ansible.builtin.systemd:
    name: '{{ gitea_name }}.service'
    state: started