---
- name: Check and Restart Gitea if Unhealthy
  hosts: production
  gather_facts: yes
  become: no

  vars:
    gitea_stack_path: "{{ stacks_base_path | default('/home/deploy/deployment/stacks') }}/gitea"
    gitea_url: "https://git.michaelschiemer.de"
    gitea_container_name: "gitea"

  tasks:
    - name: Check if Gitea stack directory exists
      stat:
        path: "{{ gitea_stack_path }}"
      register: gitea_stack_exists

    - name: Fail if Gitea stack directory does not exist
      fail:
        msg: "Gitea stack directory not found at {{ gitea_stack_path }}"
      when: not gitea_stack_exists.stat.exists

    - name: Check Gitea container status
      shell: |
        cd {{ gitea_stack_path }}
        docker compose ps {{ gitea_container_name }} --format json
      register: gitea_container_status
      changed_when: false
      failed_when: false

    - name: Display Gitea container status
      debug:
        msg: |
          Gitea Container Status:
          {{ gitea_container_status.stdout | default('Container not found or error') }}

    - name: Check Gitea health endpoint
      uri:
        url: "{{ gitea_url }}/api/healthz"
        method: GET
        status_code: [200]
        validate_certs: false
        timeout: 10
      register: gitea_health
      ignore_errors: yes
      changed_when: false

    - name: Display Gitea health check result
      debug:
        msg: |
          Gitea Health Check:
          - Status Code: {{ gitea_health.status | default('UNREACHABLE') }}
          - Response Time: {{ gitea_health.elapsed | default('N/A') }}s
          {% if gitea_health.status == 200 %}
          - Status: ✅ HEALTHY
          {% else %}
          - Status: ❌ UNHEALTHY or TIMEOUT
          {% endif %}

    - name: Get Gitea container logs (last 50 lines)
      shell: |
        cd {{ gitea_stack_path }}
        docker compose logs --tail=50 {{ gitea_container_name }} 2>&1 || echo "LOGS_NOT_AVAILABLE"
      register: gitea_logs
      changed_when: false
      failed_when: false

    - name: Display Gitea container logs
      debug:
        msg: |
          Gitea Container Logs (last 50 lines):
          {{ gitea_logs.stdout | default('No logs available') }}

    - name: Check if Gitea container is running
      set_fact:
        gitea_is_running: "{{ 'State":"running' in gitea_container_status.stdout | default('') }}"

    - name: Check if Gitea is healthy
      set_fact:
        gitea_is_healthy: "{{ gitea_health.status | default(0) == 200 }}"

    - name: Restart Gitea container if unhealthy or not running
      shell: |
        cd {{ gitea_stack_path }}
        docker compose restart {{ gitea_container_name }}
      when: not gitea_is_healthy or not gitea_is_running
      register: gitea_restart
      changed_when: gitea_restart.rc == 0

    - name: Wait for Gitea to be ready after restart
      uri:
        url: "{{ gitea_url }}/api/healthz"
        method: GET
        status_code: [200]
        validate_certs: false
        timeout: 10
      register: gitea_health_after_restart
      until: gitea_health_after_restart.status == 200
      retries: 30
      delay: 2
      when: not gitea_is_healthy or not gitea_is_running
      ignore_errors: yes

    - name: Display final status
      debug:
        msg: |
          ========================================
          Gitea Status Summary
          ========================================
          Container Running: {{ '✅ YES' if gitea_is_running else '❌ NO' }}
          Health Check: {{ '✅ HEALTHY' if gitea_is_healthy else '❌ UNHEALTHY' }}
          {% if not gitea_is_healthy or not gitea_is_running %}
          Action Taken: 🔄 Container restarted
          Final Status: {{ '✅ HEALTHY' if gitea_health_after_restart.status | default(0) == 200 else '❌ STILL UNHEALTHY' }}
          {% else %}
          Action Taken: ℹ️  No action needed
          {% endif %}
          ========================================
          
          {% if gitea_health_after_restart.status | default(0) == 200 %}
          ✅ Gitea is now accessible and healthy!
          {% elif not gitea_is_healthy and not gitea_is_running %}
          ⚠️  Gitea container was restarted but may still be starting up.
          Please check logs manually: docker compose -f {{ gitea_stack_path }}/docker-compose.yml logs gitea
          {% endif %}