name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    name: typecheck + build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Set up Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: "1.3.14"

      - name: Install dependencies
        run: bun install --frozen-lockfile

      - name: Typecheck
        run: bun run typecheck

      - name: Build web
        working-directory: apps/web
        run: bun run build

      # Upload the built .next directory (hidden dir → include-hidden-files).
      - name: Upload web build artifact
        uses: actions/upload-artifact@v4
        with:
          name: mcpedia-web-build
          path: apps/web/.next
          include-hidden-files: true
          if-no-files-found: error

      # Smoke: requires Postgres + Redis — skipped in CI without secrets.
      - name: MCP smoke test
        if: env.DATABASE_URL != ''
        working-directory: apps/mcp
        env:
          DATABASE_URL: ${{ secrets.DATABASE_URL }}
          REDIS_URL: ${{ secrets.REDIS_URL }}
        run: bun run smoke

      # Unit tests — bun:test mocks, no external services.
      - name: Test
        run: bun run test

  deploy:
    name: deploy to VPS
    needs: build
    if: github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Download build artifact
        uses: actions/download-artifact@v4
        with:
          name: mcpedia-web-build
          path: apps/web/.next

      - name: Tar .next
        run: tar -C apps/web -czf mcpedia-web-next.tar.gz .next

      - name: Deploy to VPS (SCP + SSH)
        uses: appleboy/scp-action@v1
        with:
          host: ${{ secrets.SSH_DEPLOY_HOST }}
          port: ${{ secrets.SSH_DEPLOY_PORT }}
          username: ${{ secrets.SSH_DEPLOY_USER }}
          key: ${{ secrets.SSH_DEPLOY_KEY }}
          rm: true
          source: "mcpedia-web-next.tar.gz"
          target: "/tmp/"

      - name: Unpack and restart on VPS
        uses: appleboy/ssh-action@v1
        with:
          host: ${{ secrets.SSH_DEPLOY_HOST }}
          port: ${{ secrets.SSH_DEPLOY_PORT }}
          username: ${{ secrets.SSH_DEPLOY_USER }}
          key: ${{ secrets.SSH_DEPLOY_KEY }}
          envs: SSH_DEPLOY_HOST
          script: |
            set -e
            cd /home/code/mcpedia

            # Pull latest code (content, .env, non-web changes)
            git pull origin main
            /home/code/.bun/bin/bun install --frozen-lockfile
            /home/code/.bun/bin/bun run scripts/indexer.ts

            # Unpack the pre-built .next (built in CI — no build on VPS)
            rm -rf apps/web/.next
            tar -xzf /tmp/mcpedia-web-next.tar.gz -C apps/web/
            rm -f /tmp/mcpedia-web-next.tar.gz

            # Restart services
            sudo systemctl restart mcpedia-web mcpedia-api mcpedia-mcp mcpedia-worker
            sleep 3
            systemctl --no-pager status mcpedia-web mcpedia-api mcpedia-mcp mcpedia-worker --no-legend