name: Reset DB

on:
  workflow_dispatch:
    inputs:
      shops:
        description: '写入的门店（逗号分隔，如 S001,S002,S003）'
        required: true
        default: 'S001,S002,S003'

jobs:
  reset:
    runs-on: mac
    steps:
      - uses: actions/checkout@v4

      - name: Setup SSH
        run: |
          mkdir -p ~/.ssh
          printf '%s' "${{ secrets.EC2_SSH_KEY }}" > ~/.ssh/ec2_deploy.pem
          chmod 600 ~/.ssh/ec2_deploy.pem
          ssh-keyscan -H ${{ secrets.EC2_HOST }} >> ~/.ssh/known_hosts

      - name: Reset database & reseed
        env:
          EC2_HOST: ${{ secrets.EC2_HOST }}
          EC2_USER: ${{ secrets.EC2_USER }}
          DB_PASSWORD: ${{ secrets.DB_PASSWORD }}
          SHOPS: ${{ github.event.inputs.shops }}
        run: |
          # 1. 清库重建
          ssh -i ~/.ssh/ec2_deploy.pem ${EC2_USER}@${EC2_HOST} \
            "docker exec jiu_mysql mysql -uroot -p${DB_PASSWORD} -e 'DROP DATABASE IF EXISTS jiu_db; CREATE DATABASE jiu_db CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;'"
          echo "✓ Database reset"

          # 2. 重启 jiu-server，AutoMigrate 重建表结构
          ssh -i ~/.ssh/ec2_deploy.pem ${EC2_USER}@${EC2_HOST} \
            "sudo systemctl restart jiu"
          echo "✓ jiu-server restarted, waiting for AutoMigrate..."

          # 3. 等待健康检查通过
          for i in $(seq 1 30); do
            ssh -i ~/.ssh/ec2_deploy.pem ${EC2_USER}@${EC2_HOST} \
              "curl -sf http://localhost:8080/health" && break
            sleep 2
          done
          echo "✓ Health check passed"

          # 4. 写入 seed 数据（第一个 shop 全量，后续跳过 TRUNCATE 行避免互相清空）
          FIRST=true
          for SHOP in $(echo "$SHOPS" | tr ',' ' '); do
            FILE="backend/seeds/${SHOP}.sql"
            if [ ! -f "$FILE" ]; then
              echo "⚠️  $FILE not found, skipping"
              continue
            fi
            echo "→ Seeding $SHOP ..."
            if [ "$FIRST" = "true" ]; then
              ssh -i ~/.ssh/ec2_deploy.pem ${EC2_USER}@${EC2_HOST} \
                "docker exec -i jiu_mysql mysql -uroot -p${DB_PASSWORD} --default-character-set=utf8mb4 jiu_db" \
                < "$FILE"
              FIRST=false
            else
              grep -v "^TRUNCATE" "$FILE" | \
                ssh -i ~/.ssh/ec2_deploy.pem ${EC2_USER}@${EC2_HOST} \
                "docker exec -i jiu_mysql mysql -uroot -p${DB_PASSWORD} --default-character-set=utf8mb4 jiu_db"
            fi
            echo "✓ $SHOP done"
          done

      - name: Cleanup SSH key
        if: always()
        run: rm -f ~/.ssh/ec2_deploy.pem