ci.yml

name: CI

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

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

jobs:
  changes:
    name: Detect Changed Areas
    runs-on: ubuntu-latest
    outputs:
      core: ${{ steps.filter.outputs.core }}
      ai_sdk: ${{ steps.filter.outputs.ai_sdk }}
      mastra: ${{ steps.filter.outputs.mastra }}
      langchain: ${{ steps.filter.outputs.langchain }}
    steps:
      - uses: actions/checkout@v4
      - name: Detect changed paths
        id: filter
        uses: dorny/paths-filter@v3
        with:
          filters: |
            core:
              - ".github/workflows/**"
              - "src/**"
              - "templates/_shared/**"
              - "package.json"
              - "package-lock.json"
              - "tsconfig.json"
              - "eslint.config.mjs"
              - ".prettierrc"
              - ".prettierignore"
            ai_sdk:
              - "templates/ai-sdk/**"
            mastra:
              - "templates/mastra/**"
            langchain:
              - "templates/langchain/**"

  lint-and-build:
    name: Lint, Format & Build
    runs-on: ubuntu-latest
    needs: changes
    if: ${{ needs.changes.outputs.core == 'true' || needs.changes.outputs.ai_sdk == 'true' || needs.changes.outputs.mastra == 'true' || needs.changes.outputs.langchain == 'true' }}
    env:
      NPM_CONFIG_AUDIT: "false"
      NPM_CONFIG_FUND: "false"
      NPM_CONFIG_PREFER_OFFLINE: "true"
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: npm
      - run: npm ci
      - run: npm run lint
      - run: npm run format:check
      - run: npm run typecheck
      - run: npm run build
      - name: Upload built CLI artifact
        uses: actions/upload-artifact@v4
        with:
          name: cli-dist
          path: dist/
          if-no-files-found: error

  lint-python:
    name: Lint Python Templates
    runs-on: ubuntu-latest
    needs: changes
    if: ${{ needs.changes.outputs.core == 'true' || needs.changes.outputs.langchain == 'true' }}
    steps:
      - uses: actions/checkout@v4
      - uses: astral-sh/ruff-action@v3
        with:
          args: check templates/langchain/
      - uses: astral-sh/ruff-action@v3
        with:
          args: format --check templates/langchain/

  smoke-test-templates:
    name: Smoke Test — ${{ matrix.template }}
    runs-on: ubuntu-latest
    needs: [changes, lint-and-build]
    if: ${{ needs.changes.outputs.core == 'true' || (matrix.template == 'ai-sdk' && needs.changes.outputs.ai_sdk == 'true') || (matrix.template == 'mastra' && needs.changes.outputs.mastra == 'true') || (matrix.template == 'langchain' && needs.changes.outputs.langchain == 'true') }}
    env:
      NPM_CONFIG_AUDIT: "false"
      NPM_CONFIG_FUND: "false"
      NPM_CONFIG_PREFER_OFFLINE: "true"
      PIP_DISABLE_PIP_VERSION_CHECK: "1"
    strategy:
      fail-fast: false
      matrix:
        template: [ai-sdk, mastra, langchain]
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 22
      - uses: oven-sh/setup-bun@v2
        if: matrix.template != 'langchain'
        with:
          bun-version: latest
      - name: Cache bun packages
        if: matrix.template != 'langchain'
        uses: actions/cache@v4
        with:
          path: ~/.bun/install/cache
          key: bun-smoke-${{ matrix.template }}-${{ hashFiles(format('templates/{0}/package.json', matrix.template)) }}
          restore-keys: |
            bun-smoke-${{ matrix.template }}-
            bun-smoke-
      - uses: actions/setup-python@v5
        if: matrix.template == 'langchain'
        with:
          python-version: "3.12"
          cache: pip
          cache-dependency-path: templates/langchain/requirements.txt
      - run: npm ci
      - name: Download built CLI artifact
        uses: actions/download-artifact@v4
        with:
          name: cli-dist
          path: dist

      - name: Scaffold template
        run: node dist/index.js ci-test-${{ matrix.template }} --template ${{ matrix.template }}

      - name: Create .env from example
        working-directory: ci-test-${{ matrix.template }}
        run: cp .env.example .env

      - name: Doctor (Next.js + TypeScript templates)
        if: matrix.template != 'langchain'
        working-directory: ci-test-${{ matrix.template }}
        run: bun run doctor

      - name: Doctor (Python template)
        if: matrix.template == 'langchain'
        working-directory: ci-test-${{ matrix.template }}
        run: python -m app.doctor

      - name: Type check (Next.js + TypeScript templates)
        if: matrix.template != 'langchain'
        working-directory: ci-test-${{ matrix.template }}
        run: bun run typecheck

      - name: Build (Next.js + TypeScript templates)
        if: matrix.template != 'langchain'
        working-directory: ci-test-${{ matrix.template }}
        run: bun run build

      - name: Lint (Next.js + TypeScript templates)
        if: matrix.template != 'langchain'
        working-directory: ci-test-${{ matrix.template }}
        run: bun run lint

      - name: Lint (Python template)
        if: matrix.template == 'langchain'
        working-directory: ci-test-${{ matrix.template }}
        run: |
          pip install ruff ty
          ruff check .
          ruff format --check .
          ty check .