name: CI

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

jobs:
  lint-and-typecheck:
    name: Lint & Type Check
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'yarn'

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

      - name: Run ESLint
        run: yarn lint

      - name: Run TypeScript type check
        run: yarn typecheck

      - name: Run Prettier check
        run: yarn format

  build:
    name: Build
    runs-on: ubuntu-latest
    needs: lint-and-typecheck

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'yarn'

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

      - name: Build application
        run: yarn build

      - name: Report deployment readiness
        if: github.ref == 'refs/heads/main'
        run: echo "✅ All checks passed - ready for deployment"

  commitlint:
    name: Commit Lint
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'yarn'

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

      - name: Validate commit messages
        run: |
          if [ "${{ github.event_name }}" = "pull_request" ]; then
            yarn commitlint --from ${{ github.event.pull_request.base.sha }} --to ${{ github.event.pull_request.head.sha }} --verbose
          else
            yarn commitlint --from HEAD~1 --to HEAD --verbose
          fi