#!/bin/bash
set -euo pipefail

# --- Environment Setup ---
ENV=""

# Parse command-line arguments
if [[ "$#" -gt 0 && "$1" == "--env" ]]; then
    if [[ -n "$2" && ("$2" == "prod" || "$2" == "test") ]]; then
        ENV="$2"
    else
        echo "Error: Invalid environment specified for deploy-dl.sh. Use 'prod' or 'test'." >&2
        exit 1
    fi
else
    echo "Usage: $0 --env [prod|test]" >&2
    exit 1
fi

# --- Configuration ---
SSH_USER="alex_p"
if [[ "$ENV" == "prod" ]]; then
    WORKER_SERVERS=("dl003")
elif [[ "$ENV" == "test" ]]; then
    WORKER_SERVERS=("dl001")
fi

REMOTE_DEST_PATH="/srv/airflow_dl_worker/"

# List of files and directories to sync from the project root.
# This script assumes it is run from the project root via deploy_all.sh
ROOT_FILES_TO_SYNC=(
    "Dockerfile"
    "get_info_json_client.py"
    "proxy_manager_client.py"
    "setup.py"
    "VERSION"
    "generate_tokens_direct.mjs"
)
AIRFLOW_FILES_TO_SYNC=(
    "docker-compose-ytdlp-ops.yaml"
    "init-airflow.sh"
)

DIRS_TO_SYNC=(
    "airflow/camoufox/"
    "airflow/inputfiles/"
    "server_fix/"
    "token_generator/"
    "utils/"
    "yt_ops_services/"
)

RSYNC_OPTS="-avz --progress --delete --exclude='__pycache__/' --exclude='*.pyc' --exclude='*.pyo' --exclude='node_modules/'"

echo ">>> Deploying to DL WORKER(S) for environment: $ENV"

# --- Deployment ---
for worker in "${WORKER_SERVERS[@]}"; do
    WORKER_HOST="${SSH_USER}@${worker}"
    echo "--------------------------------------------------"
    echo ">>> Deploying to WORKER: $WORKER_HOST"
    echo "--------------------------------------------------"

    echo ">>> Creating remote directory on WORKER: $WORKER_HOST"
    ssh "$WORKER_HOST" "mkdir -p $REMOTE_DEST_PATH"

    echo ">>> Syncing individual files to WORKER..."
    for f in "${ROOT_FILES_TO_SYNC[@]}"; do
        echo "    - Syncing $f"
        rsync $RSYNC_OPTS "$f" "$WORKER_HOST:$REMOTE_DEST_PATH"
    done
    for f in "${AIRFLOW_FILES_TO_SYNC[@]}"; do
        echo "    - Syncing airflow/$f"
        rsync $RSYNC_OPTS "airflow/$f" "$WORKER_HOST:$REMOTE_DEST_PATH"
    done

    echo ">>> Syncing directories to WORKER..."
    for d in "${DIRS_TO_SYNC[@]}"; do
        echo "    - Syncing $d"
        rsync $RSYNC_OPTS "$d" "$WORKER_HOST:$REMOTE_DEST_PATH"
    done

    echo ">>> Renaming worker compose file on remote..."
    ssh "$WORK_HOST" "cd $REMOTE_DEST_PATH && ln -sf docker-compose-ytdlp-ops.yaml docker-compose.yaml"
done

echo ">>> DL WORKER(S) deployment sync complete."
exit 0