name: Quality Checks

on:
  push:
    branches: [ main, development, 'feature/**' ]
  pull_request:
    branches: [ main, development ]

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

permissions:
  contents: read
  checks: write

env:
  GO_VERSION: '1.25.6'
  NODE_VERSION: '24.12.0'

jobs:
  backend-quality:
    name: Backend (Go)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6

      - name: Set up Go
        uses: actions/setup-go@7a3fe6cf4cb3a834922a1244abfce67bcef6a0c5 # v6.2.0
        with:
          go-version: ${{ env.GO_VERSION }}
          cache-dependency-path: backend/go.sum

      - name: Repo health check
        run: |
          bash scripts/repo_health_check.sh

      - name: Run Go tests
        id: go-tests
        working-directory: ${{ github.workspace }}
        env:
          CGO_ENABLED: 1
        run: |
          bash scripts/go-test-coverage.sh 2>&1 | tee backend/test-output.txt
          exit ${PIPESTATUS[0]}

      - name: Go Test Summary
        if: always()
        working-directory: backend
        run: |
          echo "## 🔧 Backend Test Results" >> $GITHUB_STEP_SUMMARY
          if [ "${{ steps.go-tests.outcome }}" == "success" ]; then
            echo "✅ **All tests passed**" >> $GITHUB_STEP_SUMMARY
            PASS_COUNT=$(grep -c "^--- PASS" test-output.txt || echo "0")
            echo "- Tests passed: $PASS_COUNT" >> $GITHUB_STEP_SUMMARY
          else
            echo "❌ **Tests failed**" >> $GITHUB_STEP_SUMMARY
            echo "" >> $GITHUB_STEP_SUMMARY
            echo "### Failed Tests:" >> $GITHUB_STEP_SUMMARY
            echo '```' >> $GITHUB_STEP_SUMMARY
            grep -E "^--- FAIL|FAIL\s+github" test-output.txt || echo "See logs for details"
            grep -E "^--- FAIL|FAIL\s+github" test-output.txt >> $GITHUB_STEP_SUMMARY || echo "See logs for details" >> $GITHUB_STEP_SUMMARY
            echo '```' >> $GITHUB_STEP_SUMMARY
          fi

      # Codecov upload moved to `codecov-upload.yml` which is push-only.


      - name: Run golangci-lint
        uses: golangci/golangci-lint-action@1e7e51e771db61008b38414a730f564565cf7c20 # v9.2.0
        with:
          version: latest
          working-directory: backend
          args: --timeout=5m
        continue-on-error: true

      - name: Run Perf Asserts
        working-directory: backend
        env:
          # Conservative defaults to avoid flakiness on CI; tune as necessary
          PERF_MAX_MS_GETSTATUS_P95: 500ms
          PERF_MAX_MS_GETSTATUS_P95_PARALLEL: 1500ms
          PERF_MAX_MS_LISTDECISIONS_P95: 2000ms
        run: |
          echo "## 🔍 Running performance assertions (TestPerf)" >> $GITHUB_STEP_SUMMARY
          go test -run TestPerf -v ./internal/api/handlers -count=1 | tee perf-output.txt
          exit ${PIPESTATUS[0]}

  frontend-quality:
    name: Frontend (React)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
        with:
          fetch-depth: 0

      - name: Repo health check
        run: |
          bash scripts/repo_health_check.sh

      - name: Set up Node.js
        uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6.2.0
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'
          cache-dependency-path: frontend/package-lock.json

      - name: Check if frontend was modified in PR
        id: check-frontend
        run: |
          if [ "${{ github.event_name }}" = "push" ]; then
            echo "frontend_changed=true" >> $GITHUB_OUTPUT
            exit 0
          fi
          # Try to fetch the PR base ref. This may fail for forked PRs or other cases.
          git fetch origin ${{ github.event.pull_request.base.ref }} --depth=1 || true

          # Compute changed files against the PR base ref, fallback to origin/main, then fallback to last 10 commits
          CHANGED=$(git diff --name-only origin/${{ github.event.pull_request.base.ref }}...HEAD 2>/dev/null || echo "")
          echo "Changed files (base ref):\n$CHANGED"

          if [ -z "$CHANGED" ]; then
            echo "Base ref diff empty or failed; fetching origin/main for fallback..."
            git fetch origin main --depth=1 || true
            CHANGED=$(git diff --name-only origin/main...HEAD 2>/dev/null || echo "")
            echo "Changed files (main fallback):\n$CHANGED"
          fi

          if [ -z "$CHANGED" ]; then
            echo "Still empty; falling back to diffing last 10 commits from HEAD..."
            CHANGED=$(git diff --name-only HEAD~10...HEAD 2>/dev/null || echo "")
            echo "Changed files (HEAD~10 fallback):\n$CHANGED"
          fi

          if echo "$CHANGED" | grep -q '^frontend/'; then
            echo "frontend_changed=true" >> $GITHUB_OUTPUT
          else
            echo "frontend_changed=false" >> $GITHUB_OUTPUT
          fi

      - name: Install dependencies
        working-directory: frontend
        if: ${{ github.event_name == 'push' || steps.check-frontend.outputs.frontend_changed == 'true' }}
        run: npm ci

      - name: Run frontend tests and coverage
        id: frontend-tests
        working-directory: ${{ github.workspace }}
        if: ${{ github.event_name == 'push' || steps.check-frontend.outputs.frontend_changed == 'true' }}
        run: |
          bash scripts/frontend-test-coverage.sh 2>&1 | tee frontend/test-output.txt
          exit ${PIPESTATUS[0]}

      - name: Frontend Test Summary
        if: always()
        working-directory: frontend
        run: |
          echo "## ⚛️ Frontend Test Results" >> $GITHUB_STEP_SUMMARY
          if [ "${{ steps.frontend-tests.outcome }}" == "success" ]; then
            echo "✅ **All tests passed**" >> $GITHUB_STEP_SUMMARY
            # Extract test counts from vitest output
            if grep -q "Tests:" test-output.txt; then
              grep "Tests:" test-output.txt | tail -1 >> $GITHUB_STEP_SUMMARY
            fi
          else
            echo "❌ **Tests failed**" >> $GITHUB_STEP_SUMMARY
            echo "" >> $GITHUB_STEP_SUMMARY
            echo "### Failed Tests:" >> $GITHUB_STEP_SUMMARY
            echo '```' >> $GITHUB_STEP_SUMMARY
            # Extract failed test info from vitest output
            grep -E "FAIL|✕|×|AssertionError|Error:" test-output.txt | head -30 >> $GITHUB_STEP_SUMMARY || echo "See logs for details" >> $GITHUB_STEP_SUMMARY
            echo '```' >> $GITHUB_STEP_SUMMARY
          fi

      # Codecov upload moved to `codecov-upload.yml` which is push-only.



      - name: Run frontend lint
        working-directory: frontend
        run: npm run lint
        continue-on-error: true