name: CI

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

jobs:
  # Job 1: Lint and Typecheck (Fast feedback)
  lint-typecheck:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: "20"
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Run ESLint
        run: npm run lint

      - name: Run Typecheck
        run: npm run typecheck

  # Job 2: Unit and Integration Tests
  tests:
    runs-on: ubuntu-latest
    needs: lint-typecheck

    steps:
      - uses: actions/checkout@v3

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: "20"
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Run Unit Tests
        run: npm run test:unit

      - name: Run Integration Tests
        run: npm run test:integration

  # Job 3: Contract Tests (API/Website compatibility)
  contract-tests:
    runs-on: ubuntu-latest
    needs: lint-typecheck

    steps:
      - uses: actions/checkout@v3

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: "20"
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Run API Contract Validation
        run: npm run test:api:contracts

      - name: Generate OpenAPI spec
        run: npm run api:generate-spec

      - name: Generate TypeScript types
        run: npm run api:generate-types

      - name: Run Contract Compatibility Check
        run: npm run test:contract:compatibility

      - name: Verify Website Type Checking
        run: npm run website:type-check

      - name: Upload generated types as artifacts
        uses: actions/upload-artifact@v3
        with:
          name: generated-types
          path: apps/website/lib/types/generated/
          retention-days: 7

  # Job 4: E2E Tests (Only on main/develop push, not on PRs)
  e2e-tests:
    runs-on: ubuntu-latest
    needs: [lint-typecheck, tests, contract-tests]
    if: github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/develop')

    steps:
      - uses: actions/checkout@v3

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: "20"
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Run E2E Tests
        run: npm run test:e2e

  # Job 5: Comment PR with results (Only on PRs)
  comment-pr:
    runs-on: ubuntu-latest
    needs: [lint-typecheck, tests, contract-tests]
    if: github.event_name == 'pull_request'

    steps:
      - name: Comment PR with results
        uses: actions/github-script@v6
        with:
          script: |
            const fs = require('fs');
            const path = require('path');

            // Read any contract change reports
            const reportPath = path.join(process.cwd(), 'contract-report.json');
            if (fs.existsSync(reportPath)) {
              const report = JSON.parse(fs.readFileSync(reportPath, 'utf8'));
              
              const comment = `
              ## 🔍 CI Results
              
              ✅ **All checks passed!**
              
              ### Changes Summary:
              - Total changes: ${report.totalChanges}
              - Breaking changes: ${report.breakingChanges}
              - Added: ${report.added}
              - Removed: ${report.removed}
              - Modified: ${report.modified}
              
              Generated types are available as artifacts.
              `;
              
              github.rest.issues.createComment({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body: comment
              });
            }

  # Job 6: Commit generated types (Only on main branch push)
  commit-types:
    runs-on: ubuntu-latest
    needs: [lint-typecheck, tests, contract-tests]
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'

    steps:
      - uses: actions/checkout@v3

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: "20"
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Generate and snapshot types
        run: |
          npm run api:generate-spec
          npm run api:generate-types

      - name: Commit generated types
        run: |
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git add apps/website/lib/types/generated/
          git diff --staged --quiet || git commit -m "chore: update generated API types [skip ci]"
          git push