---
- name: "Ensure {{ app_name }} is installed"
  become_method: runas
  become_user: "{{ ansible_user | default(lookup('env', 'USER')) }}"
  block:
    - name: Ensure Megabyte Labs configuration directory exists
      ansible.windows.win_file:
        path: "{{ item }}"
        state: directory
      loop:
        - '%USERPROFILE%\.config'
        - '%USERPROFILE%\.config\megabytelabs'

    - name: "Check if {{ app_name }} has configuration stored in '%USERPROFILE%/.config/megabytelabs/nvm'"
      ansible.windows.win_stat:
        path: '%USERPROFILE%\.config\megabytelabs\nvm'
      register: nvm_config

    - name: "Detect previously installed {{ app_name }} version"
      ansible.windows.win_shell: type nvm
      args:
        chdir: '%USERPROFILE%\.config\megabytelabs'
      changed_when: false
      register: current_nvm_version
      when: nvm_config.stat.exists

    - name: "Detect the latest {{ app_name }} version"
      ansible.windows.win_uri:
        url: https://api.github.com/repos/coreybutler/nvm-windows/releases/latest
        return_content: true
      register: nvm_latest_release_tag

    - name: "Determine whether or not the latest version of {{ app_name }} is already installed"
      set_fact:
        install_nvm: "{{ (current_nvm_version.skipped | default(false)) or \
          ((not current_nvm_version.skipped | default(false)) and (current_nvm_version.stdout | trim != nvm_latest_release_tag.json.tag_name)) }}"

    - name: "Ensure {{ app_name }} archive is downloaded"
      ansible.windows.win_get_url:
        url: "{{ 'https://github.com/coreybutler/nvm-windows/releases/download/' + nvm_latest_release_tag.json.tag_name + '/nvm-noinstall.zip' }}"
        dest: '%TEMP%\nvm-noinstall.zip'
        force: true
      when: install_nvm

    - name: "Ensure {{ app_name }} is installed"
      community.windows.win_unzip:
        src: '%TEMP%\nvm-noinstall.zip'
        dest: '%PROGRAMDATA%\nvm\'
        delete_archive: true
      when: install_nvm

    - name: Create settings.txt
      ansible.windows.win_copy:
        dest: '%PROGRAMDATA%\nvm\settings.txt'
        content: |
          root: C:\ProgramData\nvm
          path: C:\ProgramData\nodejs
          arch: 64
          proxy: none
      when: install_nvm

    - name: Ensure envrionment variables are configured
      ansible.windows.win_environment:
        name: "{{ item.name }}"
        value: "{{ item.path }}"
        level: machine
        state: present
      with_items:
        - name: NVM_HOME
          path: 'C:\ProgramData\nvm'
        - name: NVM_SYMLINK
          path: 'C:\ProgramData\nvm\nodejs'

    - name: "Ensure {{ app_name }} installation is added to PATH"
      ansible.windows.win_path:
        elements: "%NVM_HOME%;%NVM_SYMLINK%"
        state: present

    - name: "Save meta information about the version of {{ app_name }} that was installed"
      ansible.windows.win_copy:
        dest: '%USERPROFILE%\.config\megabytelabs\nvm'
        content: |
          {{ nvm_latest_release_tag.json.tag_name }}
      when: install_nvm

- name: Ensure NPM packages are installed
  ansible.windows.win_shell: npm install -g {{ item.name }}@latest
  loop: "{{ nodejs_npm_global_packages | default([]) }}"