name: Validate and deploy production

on:
  push:
    branches:
      - main
  workflow_dispatch:

concurrency:
  group: shd-build-host-maintenance
  cancel-in-progress: false

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Install dependencies
        run: npm ci

      - name: Validate application
        run: npm run check && npm test

      - name: Build Node application
        run: npm run build:app

  deploy:
    needs: validate
    runs-on: stage-deploy
    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Prepare production configuration
        env:
          INFISICAL_APP_CLIENT_ID:
            ${{ vars.INFISICAL_PRODUCTION_APP_CLIENT_ID }}
          INFISICAL_APP_CLIENT_SECRET:
            ${{ secrets.INFISICAL_PRODUCTION_APP_CLIENT_SECRET }}
          INFISICAL_SCHEDULER_CLIENT_ID:
            ${{ vars.INFISICAL_PRODUCTION_SCHEDULER_CLIENT_ID }}
          INFISICAL_SCHEDULER_CLIENT_SECRET:
            ${{ secrets.INFISICAL_PRODUCTION_SCHEDULER_CLIENT_SECRET }}
          CONFIGURED_DEPLOY_PATH: ${{ vars.PRODUCTION_DEPLOY_PATH }}
          CONFIGURED_PRODUCTION_PORT: ${{ vars.PRODUCTION_PORT }}
          COMMIT_SHA: ${{ gitea.sha }}
          BUILD_NUMBER: ${{ gitea.run_number }}
        run: |
          set -eu
          umask 077
          : "${INFISICAL_APP_CLIENT_ID:?INFISICAL_PRODUCTION_APP_CLIENT_ID is required}"
          : "${INFISICAL_APP_CLIENT_SECRET:?INFISICAL_PRODUCTION_APP_CLIENT_SECRET is required}"
          : "${INFISICAL_SCHEDULER_CLIENT_ID:?INFISICAL_PRODUCTION_SCHEDULER_CLIENT_ID is required}"
          : "${INFISICAL_SCHEDULER_CLIENT_SECRET:?INFISICAL_PRODUCTION_SCHEDULER_CLIENT_SECRET is required}"
          deployment_path="${CONFIGURED_DEPLOY_PATH:-/opt/shd-build-production}"
          production_port="${CONFIGURED_PRODUCTION_PORT:-3102}"
          case "$deployment_path" in
            /opt/shd-build-*) ;;
            *) echo "PRODUCTION_DEPLOY_PATH must be beneath /opt/shd-build-." >&2; exit 1 ;;
          esac
          case "$production_port" in
            ''|*[!0-9]*) echo "PRODUCTION_PORT must be an integer." >&2; exit 1 ;;
          esac
          if [ "$production_port" -lt 1 ] || [ "$production_port" -gt 65535 ]; then
            echo "PRODUCTION_PORT must be from 1 through 65535." >&2
            exit 1
          fi
          mkdir -p "$deployment_path"
          release_id="${GITHUB_RUN_ID}-${GITHUB_RUN_ATTEMPT:-1}"
          candidate_path="$deployment_path/candidate-$release_id"
          rm -rf "$candidate_path"
          mkdir -p "$candidate_path"
          cp deploy/compose.production.yml deploy/deploy-production.sh deploy/bootstrap-production.sh deploy/sync-production-isac-to-staging.sh "$candidate_path/"
          write_credential() {
            target="$1"
            value="$2"
            temporary_file=$(mktemp "${target%/*}/.infisical.XXXXXX")
            printf '%s' "$value" > "$temporary_file"
            chmod 600 "$temporary_file"
            mv "$temporary_file" "$target"
          }
          write_credential "$candidate_path/.infisical.app.client-id" "$INFISICAL_APP_CLIENT_ID"
          write_credential "$candidate_path/.infisical.app.client-secret" "$INFISICAL_APP_CLIENT_SECRET"
          write_credential "$candidate_path/.infisical.scheduler.client-id" "$INFISICAL_SCHEDULER_CLIENT_ID"
          write_credential "$candidate_path/.infisical.scheduler.client-secret" "$INFISICAL_SCHEDULER_CLIENT_SECRET"
          temporary_deploy_environment=$(mktemp "$candidate_path/.env.deploy.XXXXXX")
          printf 'SHD_IMAGE=shd-build-production:%s-%s\nSHD_PRODUCTION_PORT=%s\nSHD_BUILD_NUMBER=%s\nSHD_COMMIT_SHA=%s\n' "$COMMIT_SHA" "$release_id" "$production_port" "$BUILD_NUMBER" "$COMMIT_SHA" > "$temporary_deploy_environment"
          chmod 600 "$temporary_deploy_environment"
          mv "$temporary_deploy_environment" "$candidate_path/.env.deploy"
          chmod 755 "$candidate_path/deploy-production.sh" "$candidate_path/bootstrap-production.sh" "$candidate_path/sync-production-isac-to-staging.sh"

      - name: Deploy production
        env:
          CONFIGURED_DEPLOY_PATH: ${{ vars.PRODUCTION_DEPLOY_PATH }}
          COMMIT_SHA: ${{ gitea.sha }}
        run: |
          deployment_path="${CONFIGURED_DEPLOY_PATH:-/opt/shd-build-production}"
          release_id="${GITHUB_RUN_ID}-${GITHUB_RUN_ATTEMPT:-1}"
          candidate_path="$deployment_path/candidate-$release_id"
          "$candidate_path/deploy-production.sh" "$deployment_path" "$GITHUB_WORKSPACE" "shd-build-production:$COMMIT_SHA-$release_id" "$candidate_path"

      - name: Remove unused application images
        if: success()
        run:
          docker image prune --force --filter
          "label=org.opencontainers.image.title=shd-build"