name: Deploy Trainer_LLM to llm-node

on:
  push:
    branches: [ "main" ]
    paths:
      - "knowledge/**"
      - "llm-api/**"
      - "scripts/**"

concurrency:
  group: deploy-trainer-llm
  cancel-in-progress: false

jobs:
  deploy:
    runs-on: linux_host  # muss zum Runner-Label passen
    steps:
      - name: Checkout
        # Absolute URL reduziert Abhängigkeit von DEFAULT_ACTIONS_URL
        uses: https://github.com/actions/checkout@v4

      - name: Sanity — Runner & Commit
        run: |
          echo "Runner: $RUNNER_NAME  Labels: $RUNNER_LABELS"
          echo "Commit: $GITEA_SHA  Ref: $GITEA_REF"
          uname -a

      - name: Debug whoami & write test
        run: |
          whoami
          id
          getent passwd $(whoami) || true
          # Testet Schreibrecht unter /home/llmadmin
          touch /home/llmadmin/.write_test && rm /home/llmadmin/.write_test || echo "no write"

      - name: Ensure target directories exist
        run: |
          mkdir -p /home/llmadmin/knowledge
          mkdir -p /home/llmadmin/llm-api
          mkdir -p /home/llmadmin/scripts

      - name: Rsync knowledge/
        if: ${{ hashFiles('knowledge/**') != '' }}
        run: |
          rsync -a --delete \
            --exclude='.git' \
            --exclude='.env' --exclude='.env.*' --exclude='**/.env' --exclude='**/.env.*' \
            knowledge/ /home/llmadmin/knowledge/
          echo "Synced knowledge/"

      - name: Rsync llm-api/
        if: ${{ hashFiles('llm-api/**') != '' }}
        run: |
          rsync -a --delete \
            --exclude='.git' \
            --exclude='.env' --exclude='.env.*' --exclude='**/.env' --exclude='**/.env.*' \
            llm-api/ /home/llmadmin/llm-api/
          echo "Synced llm-api/"

      - name: Rsync scripts/
        if: ${{ hashFiles('scripts/**') != '' }}
        run: |
          rsync -a --delete \
            --exclude='.git' \
            --exclude='.env' --exclude='.env.*' --exclude='**/.env' --exclude='**/.env.*' \
            scripts/ /home/llmadmin/scripts/
          echo "Synced scripts/"

      - name: Optional — systemctl --user restart llm-api (ignore if missing)
        continue-on-error: true
        env:
          XDG_RUNTIME_DIR: /run/user/${{ inputs.uid || 1000 }}
        run: |
          # Versuche nur zu restarten, wenn der Service existiert
          if systemctl --user list-unit-files | grep -q '^llm-api.service'; then
            systemctl --user restart llm-api.service
            systemctl --user --no-pager status llm-api.service --full -l || true
          else
            echo "llm-api.service nicht gefunden — Schritt wird übersprungen."
          fi

      - name: Post-check — show latest changes
        run: |
          echo "Deploy complete. Listing targets:"
          ls -la /home/llmadmin/knowledge | tail -n +1 || true
          ls -la /home/llmadmin/llm-api | tail -n +1 || true
          ls -la /home/llmadmin/scripts | tail -n +1 || true