---
- name: Deploy OTUS HW8 Jenkins infrastructure
  hosts: local
  gather_facts: true
  vars:
    hw8_root: "{{ playbook_dir }}/../.."
    compose_dir: "{{ hw8_root }}/compose"
    compose_file: "{{ compose_dir }}/docker-compose.yml"
    compose_env_file: "{{ compose_dir }}/.env"

  tasks:
    - name: Check Docker CLI availability
      ansible.builtin.command: docker --version
      changed_when: false

    - name: Check Docker Compose availability
      ansible.builtin.command: docker compose version
      changed_when: false

    - name: Create compose env file from template if missing
      ansible.builtin.copy:
        src: "{{ compose_dir }}/.env.example"
        dest: "{{ compose_env_file }}"
        force: true
        mode: "0644"

    - name: Ensure image build script is executable
      ansible.builtin.file:
        path: "{{ compose_dir }}/scripts/build_and_push_images.sh"
        mode: "0755"

    - name: Pre-pull Jenkins base image (retry on Docker Hub timeouts)
      ansible.builtin.command:
        cmd: docker pull jenkins/jenkins:2.541.3-lts-jdk21
      register: pull_jenkins_base
      retries: 6
      delay: 20
      until: pull_jenkins_base.rc == 0

    - name: Build and start registry, jenkins and nginx
      ansible.builtin.command:
        cmd: docker compose -f {{ compose_file }} --env-file {{ compose_env_file }} up -d --build registry jenkins nginx
      args:
        chdir: "{{ compose_dir }}"
      register: compose_bootstrap
      retries: 4
      delay: 20
      until: compose_bootstrap.rc == 0

    - name: Wait for Jenkins to become available
      ansible.builtin.uri:
        url: "http://127.0.0.1:8081/login"
        status_code: 200
      register: jenkins_ready
      retries: 60
      delay: 5
      until: jenkins_ready.status == 200

    - name: Build and push slave/test images to local registry
      ansible.builtin.command:
        cmd: ./scripts/build_and_push_images.sh localhost:5005 1.0.0
      args:
        chdir: "{{ compose_dir }}"
      register: build_and_push_result
      retries: 3
      delay: 20
      until: build_and_push_result.rc == 0

    - name: Start swarm agents
      ansible.builtin.command:
        cmd: docker compose -f {{ compose_file }} --env-file {{ compose_env_file }} up -d agent-maven agent-jjb
      args:
        chdir: "{{ compose_dir }}"

    - name: Build jobs_uploader image with latest changes
      ansible.builtin.command:
        cmd: docker compose -f {{ compose_file }} --env-file {{ compose_env_file }} build jobs_uploader
      args:
        chdir: "{{ compose_dir }}"

    - name: Remove stale jobs_uploader run containers
      ansible.builtin.shell: |
        ids="$(docker ps -aq --filter "name=jobs_uploader-run" || true)"
        if [ -n "${ids}" ]; then
          docker rm -f ${ids}
        fi
      args:
        executable: /bin/bash

    - name: Upload Jenkins jobs via JJB container
      ansible.builtin.command:
        cmd: timeout 900 docker compose -f {{ compose_file }} --env-file {{ compose_env_file }} run --rm jobs_uploader
      args:
        chdir: "{{ compose_dir }}"

    - name: Show endpoint details
      ansible.builtin.debug:
        msg:
          - "Jenkins UI: http://localhost:8088 (via nginx) or http://localhost:8081"
          - "Registry: http://localhost:5005/v2/"