#!/bin/bash

echo "⚠️  WARNING: TiDB Data Migration (DM) is not compatible with TiDB Cloud Serverless"
echo "⚠️  This script is deprecated. Use ./sync-data.sh instead."
echo ""

echo "For officially supported migration approaches, see TIDB_CLOUD_MIGRATION.md"
echo ""

TASK_NAME="test-to-local"
DMCTL="docker exec dm-master /dmctl --master-addr=dm-master:8261"

show_usage() {
    echo "Usage: ./sync-control.sh [command]"
    echo ""
    echo "Commands:"
    echo "  status    - Show sync task status"
    echo "  start     - Start the sync task"
    echo "  stop      - Stop the sync task"
    echo "  pause     - Pause the sync task"
    echo "  resume    - Resume the sync task"
    echo "  restart   - Restart the sync task (stop + start)"
    echo "  reinit    - Re-initialize DM configuration"
    echo ""
}

check_dm() {
    if ! docker ps | grep -q dm-master; then
        echo "❌ DM Master is not running"
        echo "   Start with: ./start.sh"
        exit 1
    fi
}

case "$1" in
    status)
        check_dm
        echo "📊 Checking sync status for task: $TASK_NAME"
        echo ""
        $DMCTL query-status $TASK_NAME
        ;;
    start)
        check_dm
        echo "▶️  Starting sync task: $TASK_NAME"
        $DMCTL start-task $TASK_NAME
        ;;
    stop)
        check_dm
        echo "⏹️  Stopping sync task: $TASK_NAME"
        $DMCTL stop-task $TASK_NAME
        ;;
    pause)
        check_dm
        echo "⏸️  Pausing sync task: $TASK_NAME"
        $DMCTL pause-task $TASK_NAME
        ;;
    resume)
        check_dm
        echo "▶️  Resuming sync task: $TASK_NAME"
        $DMCTL resume-task $TASK_NAME
        ;;
    restart)
        check_dm
        echo "🔄 Restarting sync task: $TASK_NAME"
        $DMCTL stop-task $TASK_NAME
        sleep 2
        $DMCTL start-task $TASK_NAME
        ;;
    reinit)
        echo "🔄 Re-initializing DM configuration..."
        docker compose up -d dm-init
        echo ""
        echo "⏳ Waiting for initialization..."
        sleep 5
        docker logs dm-init
        ;;
    *)
        show_usage
        exit 1
        ;;
esac