---
# Docker Build Playbook f?r Semaphore
# Baut Docker Image und pusht es zur Registry

- name: Build and Push Docker Image
  hosts: localhost
  gather_facts: no
  vars:
    repo_url: "{{ repo_url | default('https://git.michaelschiemer.de/michael/michaelschiemer.git') }}"
    repo_branch: "{{ repo_branch | default('main') }}"
    build_dir: "/tmp/ci-build"
    registry_url: "{{ registry_url | default('registry.michaelschiemer.de') }}"
    image_name: "{{ image_name | default('framework') }}"
    image_tag: "{{ image_tag | default('latest') }}"
    registry_user: "{{ registry_user | default('admin') }}"
    registry_password: "{{ registry_password | required }}"
    
  tasks:
    - name: Clean up build directory
      file:
        path: "{{ build_dir }}"
        state: absent

    - name: Checkout repository
      git:
        repo: "{{ repo_url }}"
        dest: "{{ build_dir }}"
        version: "{{ repo_branch }}"
        force: yes
      register: git_result

    - name: Get short commit SHA
      shell: echo "{{ git_result.after }}" | cut -c1-7
      register: short_sha

    - name: Generate image tags
      set_fact:
        tags:
          - "{{ registry_url }}/{{ image_name }}:latest"
          - "{{ registry_url }}/{{ image_name }}:{{ image_tag }}"
          - "{{ registry_url }}/{{ image_name }}:git-{{ short_sha.stdout }}"

    - name: Display image tags
      debug:
        msg:
          - "??? Building Docker image..."
          - "Registry: {{ registry_url }}"
          - "Image: {{ image_name }}"
          - "Tags: {{ tags | join(', ') }}"

    - name: Ensure Docker is available
      command: docker --version
      register: docker_version

    - name: Display Docker version
      debug:
        msg: "Docker version: {{ docker_version.stdout }}"

    - name: Login to Docker registry
      docker_login:
        username: "{{ registry_user }}"
        password: "{{ registry_password }}"
        registry_url: "{{ registry_url }}"
      register: login_result

    - name: Verify registry login
      debug:
        msg: "? Successfully logged in to {{ registry_url }}"
      when: login_result.failed == false

    - name: Build Docker image
      docker_image:
        name: "{{ registry_url }}/{{ image_name }}"
        tag: "{{ image_tag }}"
        source: build
        build:
          path: "{{ build_dir }}"
          dockerfile: Dockerfile.production
        push: yes
        state: present
      register: build_result

    - name: Tag image with additional tags
      docker_image:
        name: "{{ registry_url }}/{{ image_name }}:{{ image_tag }}"
        repository: "{{ registry_url }}/{{ image_name }}"
        tag: "{{ item }}"
        source: local
        push: yes
        state: present
      loop:
        - "latest"
        - "git-{{ short_sha.stdout }}"
      when: build_result.changed

    - name: Summary
      debug:
        msg:
          - "? Docker image built and pushed successfully!"
          - "Registry: {{ registry_url }}"
          - "Image: {{ image_name }}"
          - "Tags: {{ tags | join(', ') }}"
          - "Commit: {{ git_result.after }}"