name: Dev Database Maintenance

on:
  workflow_dispatch:
    inputs:
      confirm:
        description: "Type CLEAN_DEV_DB to drop and recreate the dev public schema"
        required: true
        default: ""

env:
  POSTGRES_HOST: "10.10.0.114"
  POSTGRES_PORT: "5432"
  POSTGRES_DB: "mostovik"
  POSTGRES_USER: "postgres"
  POSTGRES_PASSWORD: "postgres"

jobs:
  cleanup_dev_database:
    name: Cleanup Dev Database
    runs-on: ubuntu-latest
    timeout-minutes: 10
    if: ${{ github.ref == 'refs/heads/dev' }}

    steps:
      - name: Validate confirmation
        env:
          CONFIRM: ${{ github.event.inputs.confirm }}
        run: |
          set -euo pipefail
          if [ "${CONFIRM}" != "CLEAN_DEV_DB" ]; then
            echo "Manual confirmation must be exactly CLEAN_DEV_DB" >&2
            exit 1
          fi

      - name: Install PostgreSQL client
        run: |
          set -euo pipefail
          APT_RUNNER=()
          if [ "$(id -u)" -ne 0 ]; then
            APT_RUNNER=(sudo)
          fi

          export DEBIAN_FRONTEND=noninteractive
          "${APT_RUNNER[@]}" apt-get update
          "${APT_RUNNER[@]}" apt-get install -y postgresql-client

      - name: Drop and recreate public schema
        run: |
          set -euo pipefail
          export PGPASSWORD="${POSTGRES_PASSWORD}"

          psql \
            --set ON_ERROR_STOP=1 \
            --host="${POSTGRES_HOST}" \
            --port="${POSTGRES_PORT}" \
            --username="${POSTGRES_USER}" \
            --dbname="${POSTGRES_DB}" \
            <<'SQL'
          SELECT pg_terminate_backend(pid)
          FROM pg_stat_activity
          WHERE datname = current_database()
            AND pid <> pg_backend_pid();

          DROP SCHEMA IF EXISTS public CASCADE;
          CREATE SCHEMA public;
          GRANT ALL ON SCHEMA public TO postgres;
          GRANT ALL ON SCHEMA public TO public;
          SQL

      - name: Summary
        run: |
          set -euo pipefail
          {
            echo "Dev database cleanup completed."
            echo "Database: ${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}"
          } >> "${GITHUB_STEP_SUMMARY:-/dev/stdout}"