when:
  - event: push
    branch: main

steps:
  validate:
    image: alpine:latest
    commands:
      - apk add --no-cache docker-cli docker-cli-compose
      - |
        echo "Changed files: ${CI_COMMIT_CHANGED_FILES}"
        YAML_FILES=$(echo "${CI_COMMIT_CHANGED_FILES}" | tr ',' '\n' | grep '\.yaml$' || true)
        [ -z "$YAML_FILES" ] && echo "No yaml files changed, skipping" && exit 0
        for f in $YAML_FILES; do
          [ -f "$f" ] || continue
          echo "Validating $f..."
          docker compose -f "$f" --no-interpolate config -q \
            && echo "  OK $f" \
            || { echo "  FAIL $f"; exit 1; }
        done

  deploy:
    image: alpine:latest
    commands:
      - apk add --no-cache openssh-client rsync
      - mkdir -p ~/.ssh
      - echo "$SSH_KEY" | base64 -d > ~/.ssh/id_rsa
      - chmod 600 ~/.ssh/id_rsa
      - ssh-keyscan -H 192.168.4.32 >> ~/.ssh/known_hosts 2>/dev/null
      - |
        YAML_FILES=$(echo "${CI_COMMIT_CHANGED_FILES}" | tr ',' '\n' | grep '\.yaml$' || true)
        [ -z "$YAML_FILES" ] && echo "No yaml files changed" && exit 0
        for f in $YAML_FILES; do
          [ -f "$f" ] || continue
          STACK=$(basename "$f" .yaml)
          rsync -av -e "ssh -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa" \
            "$f" root@192.168.4.32:/volume1/docker/compose-files/
          ssh -o StrictHostKeyChecking=no root@192.168.4.32 \
            "cd /volume1/docker/compose-files \
             && set -a && [ -f ${STACK}.env ] && . ./${STACK}.env; set +a \
             && docker stack deploy -c ${STACK}.yaml ${STACK}" \
            && echo "  OK $STACK" || { echo "  FAIL $STACK"; exit 1; }
        done
    secrets: [ ssh_key ]

  verify:
    image: alpine:latest
    commands:
      - apk add --no-cache openssh-client
      - mkdir -p ~/.ssh
      - echo "$SSH_KEY" | base64 -d > ~/.ssh/id_rsa
      - chmod 600 ~/.ssh/id_rsa
      - ssh-keyscan -H 192.168.4.32 >> ~/.ssh/known_hosts 2>/dev/null
      - |
        YAML_FILES=$(echo "${CI_COMMIT_CHANGED_FILES}" | tr ',' '\n' | grep '\.yaml$' || true)
        [ -z "$YAML_FILES" ] && exit 0
        sleep 5
        for f in $YAML_FILES; do
          STACK=$(basename "$f" .yaml)
          echo "--- $STACK ---"
          ssh -o StrictHostKeyChecking=no root@192.168.4.32 \
            "docker stack ps $STACK --filter desired-state=running \
             --format '  {{.Name}} {{.CurrentState}}'"
        done
    secrets: [ ssh_key ]

  notify-success:
    image: alpine:latest
    commands:
      - apk add --no-cache curl
      - |
        CHANGED=$(echo "${CI_COMMIT_CHANGED_FILES}" | tr ',' ' ')
        PAYLOAD=$(printf '{"title":"Swarm Deploy OK","text":"Stacks: %s Commit: %s","themeColor":"00aa00"}' "$CHANGED" "$CI_COMMIT_MESSAGE")
        curl -sf -X POST -H 'Content-Type: application/json' -d "$PAYLOAD" "$TEAMS_WEBHOOK" || true
    secrets: [ teams_webhook ]
    when:
      - status: success

  notify-failure:
    image: alpine:latest
    commands:
      - apk add --no-cache curl
      - |
        PAYLOAD=$(printf '{"title":"Swarm Deploy FAILED","text":"Commit: %s See: https://woodpecker.bryanmail.net","themeColor":"ff0000"}' "$CI_COMMIT_MESSAGE")
        curl -sf -X POST -H 'Content-Type: application/json' -d "$PAYLOAD" "$TEAMS_WEBHOOK" || true
    secrets: [ teams_webhook ]
    when:
      - status: failure