---
- name: Fix Nginx Upstream Configuration
  hosts: production
  gather_facts: yes
  become: no

  tasks:
    - name: Check which nginx config files exist
      shell: |
        cd ~/deployment/stacks/staging
        echo "=== Check nginx config files ==="
        docker compose exec -T staging-nginx find /etc/nginx -name "*.conf" -type f 2>&1 | head -20
        echo ""
        echo "=== Check sites-enabled ==="
        docker compose exec -T staging-nginx ls -la /etc/nginx/sites-enabled/ 2>&1 || echo "sites-enabled not found"
        echo ""
        echo "=== Check sites-available ==="
        docker compose exec -T staging-nginx ls -la /etc/nginx/sites-available/ 2>&1 || echo "sites-available not found"
        echo ""
        echo "=== Check nginx.conf includes ==="
        docker compose exec -T staging-nginx grep -E "include|conf.d|sites" /etc/nginx/nginx.conf 2>&1 | head -10
      args:
        executable: /bin/bash
      register: nginx_config_check
      ignore_errors: yes
      failed_when: false

    - name: Display nginx config check
      debug:
        msg: "{{ nginx_config_check.stdout_lines }}"

    - name: Find all fastcgi_pass directives
      shell: |
        cd ~/deployment/stacks/staging
        echo "=== Search for fastcgi_pass in all config files ==="
        docker compose exec -T staging-nginx grep -r "fastcgi_pass" /etc/nginx/ 2>&1 || echo "Could not search"
      args:
        executable: /bin/bash
      register: fastcgi_pass_search
      ignore_errors: yes
      failed_when: false

    - name: Display fastcgi_pass search
      debug:
        msg: "{{ fastcgi_pass_search.stdout_lines }}"

    - name: Fix all fastcgi_pass to use staging-app:9000
      shell: |
        cd ~/deployment/stacks/staging
        echo "=== Fix fastcgi_pass in all config files ==="
        docker compose exec -T staging-nginx sh -c "find /etc/nginx -name '*.conf' -type f -exec sed -i 's|fastcgi_pass 127.0.0.1:9000;|fastcgi_pass staging-app:9000;|g' {} \;" || echo "Fix failed"
        docker compose exec -T staging-nginx sh -c "find /etc/nginx -name '*.conf' -type f -exec sed -i 's|fastcgi_pass localhost:9000;|fastcgi_pass staging-app:9000;|g' {} \;" || echo "Fix failed"
        docker compose exec -T staging-nginx sh -c "find /etc/nginx -name '*.conf' -type f -exec sed -i 's|fastcgi_pass php-upstream;|fastcgi_pass staging-app:9000;|g' {} \;" || echo "Note: php-upstream should stay as is"
        echo "=== Verify fix ==="
        docker compose exec -T staging-nginx grep -r "fastcgi_pass" /etc/nginx/ 2>&1 | grep -v "staging-app" || echo "All fastcgi_pass now use staging-app"
      args:
        executable: /bin/bash
      register: fix_result
      ignore_errors: yes
      failed_when: false

    - name: Display fix result
      debug:
        msg: "{{ fix_result.stdout_lines }}"

    - name: Reload nginx to apply changes
      shell: |
        cd ~/deployment/stacks/staging
        docker compose exec -T staging-nginx nginx -t 2>&1 || echo "Config test failed"
        docker compose restart staging-nginx || echo "Restart failed"
      args:
        executable: /bin/bash
      register: nginx_reload
      ignore_errors: yes
      failed_when: false

    - name: Display nginx reload result
      debug:
        msg: "{{ nginx_reload.stdout_lines }}"