when:
  - event: push
    branch: main

steps:
  - name: version
    image: alpine:latest
    commands:
      - apk add --no-cache git
      - GIT_REV="$(git rev-parse --short HEAD)"
      - BUILD_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
      - APP_V="$(cat version)"
      - printf "GIT_REV=%s\nBUILD_BRANCH=%s\nAPP_V=%s\n" "$GIT_REV" "$BUILD_BRANCH" "$APP_V" | tee .env.version

  - name: secrets
    image: alpine:latest
    depends_on: [ version ]
    environment:
      VAULT_ADDR: https://vault.sendico.io
      VAULT_ROLE_ID:     { from_secret: VAULT_APP_ROLE }
      VAULT_SECRET_ID:   { from_secret: VAULT_SECRET_ID }
    commands:
      - apk add --no-cache curl bash coreutils sed python3 openssh-keygen
      - mkdir -p secrets
      # fetch SSH private key for deploy (base64-encoded) and decode
      - ./ci/vlt kv_to_file kv ops/deploy/ssh_key private_b64 secrets/SSH_KEY.b64 600
      - base64 -d secrets/SSH_KEY.b64 > secrets/SSH_KEY
      - chmod 600 secrets/SSH_KEY
      - ssh-keygen -y -f secrets/SSH_KEY >/dev/null

  - name: deploy
    image: alpine:latest
    depends_on: [ secrets ]
    commands:
      - |
        set -Eeuo pipefail

        apk add --no-cache bash openssh-client rsync coreutils

        mkdir -p /root/.ssh
        # проверим, что секретный ключ реально есть
        [ -s secrets/SSH_KEY ] || { echo "ERROR: secrets/SSH_KEY missing"; ls -laR; exit 1; }
        install -m 600 secrets/SSH_KEY /root/.ssh/id_rsa

        # sanity: файл с переменными существует и без CRLF
        [ -f ./ci/prod/.env.runtime ] || { echo "ERROR: ./ci/prod/.env.runtime not found"; exit 1; }
        sed -i 's/\r$//' ./ci/prod/.env.runtime
        echo '--- .env.runtime (snippet) ---'
        grep -nE '^(REMOTE_BASE|DB_DIR|SSH_USER|SSH_HOST)=' ./ci/prod/.env.runtime || true

        # загрузка env-файлов
        set -a
        . ./ci/prod/.env.runtime
        . ./.env.version
        set +a

        # жёсткие ассерты — если хоть что-то пустое, ОСТАНАВЛИВАЕМСЯ
        : "${REMOTE_BASE:?missing REMOTE_BASE}"
        : "${DB_DIR:?missing DB_DIR}"
        : "${SSH_USER:?missing SSH_USER}"
        : "${SSH_HOST:?missing SSH_HOST}"

        printf 'REMOTE_BASE=%s\nDB_DIR=%s\nSSH_USER=%s\nSSH_HOST=%s\n' \
          "$REMOTE_BASE" "$DB_DIR" "$SSH_USER" "$SSH_HOST"

        SSH_OPTS='-i /root/.ssh/id_rsa -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -vv'
        REMOTE_DIR="${REMOTE_BASE%/}/${DB_DIR}"
        REMOTE_TARGET="${SSH_USER}@${SSH_HOST}"

        # быстрая проверка, что ключ читается
        ssh $SSH_OPTS -o BatchMode=yes "$REMOTE_TARGET" 'echo "[whoami] $(whoami) @ $(hostname) $(date -Is)"'

        # синк
        ssh $SSH_OPTS "$REMOTE_TARGET" "mkdir -p ${REMOTE_DIR}/{compose,env}"
        rsync -avz --delete -e "ssh $SSH_OPTS" ci/prod/compose/  "$REMOTE_TARGET:${REMOTE_DIR}/compose/"
        rsync -avz             -e "ssh $SSH_OPTS" ci/prod/.env.runtime "$REMOTE_TARGET:${REMOTE_DIR}/env/.env.runtime"

        # деплой на удалёнке (ВАЖНО: bash -s, чтобы heredoc выполнился)
        ssh $SSH_OPTS "$REMOTE_TARGET" REMOTE_DIR="$REMOTE_DIR" bash -s <<'EOSSH'
        set -Eeuxo pipefail
        echo "[remote] whoami=$(whoami) host=$(hostname) pwd=$PWD"
        cd "${REMOTE_DIR}/compose"
        set -a; . ../env/.env.runtime; set +a
        docker compose -f db.yml pull
        docker compose -f db.yml up -d --remove-orphans
        docker compose ps
        date -Is | tee .last_deploy
        logger -t deploy-db "db deployed at $(date -Is) in ${REMOTE_DIR}"
        EOSSH