name: CI

on:
  push:
    branches: [main]
    paths-ignore: &paths-ignore
      - 'LICENSE'
      - '.gitignore'
      - '**/*.md'
      - '**/*.png'
      - '**/*.jpg'
      - '**/*.jpeg'
      - '**/*.gif'
      - '**/*.webp'
      - '**/*.svg'
  pull_request:
    branches: [main]
    paths-ignore: *paths-ignore

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

permissions:
  contents: write
  pull-requests: write
  checks: read

jobs:
  validate:
    name: Validate & Build
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Install pnpm
        uses: pnpm/action-setup@v4
        with:
          version: latest

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: 'lts/*'
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile --prefer-offline

      - name: Format check
        run: pnpm format:check
        continue-on-error: true

      - name: Lint
        run: pnpm lint
        continue-on-error: true

      - name: Type check
        run: tsc --noEmit

      - name: Build
        run: pnpm build

      - name: Upload build artifacts
        uses: actions/upload-artifact@v6
        with:
          name: dist
          path: dist/
          retention-days: 7

  auto-merge:
    name: Auto Merge
    runs-on: ubuntu-latest
    needs: validate
    if: >
      github.event_name == 'pull_request' &&
      github.event.pull_request.draft == false &&
      (
        github.actor == 'dependabot[bot]' ||
        contains(github.event.pull_request.labels.*.name, 'automerge')
      )

    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Auto approve
        uses: hmarr/auto-approve-action@v4
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          pull-request-number: ${{ github.event.pull_request.number }}

      - name: Wait for all checks to complete
        uses: fountainhead/action-wait-for-check@v1.2.0
        id: wait-for-checks
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          checkName: 'Validate & Build'
          ref: ${{ github.event.pull_request.head.sha || github.sha }}
          timeoutSeconds: 600
          intervalSeconds: 10

      - name: Auto merge
        if: steps.wait-for-checks.outputs.conclusion == 'success'
        uses: actions/github-script@v8
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const { data: pullRequest } = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number
            });

            await github.rest.pulls.merge({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
              merge_method: 'squash',
              commit_title: pullRequest.title,
              commit_message: pullRequest.body || ''
            });