name: E2E test with video recording

on:
  workflow_dispatch:
    inputs:
      ref:
        description: Branch or SHA to test
        required: false
        default: ""
      test_filter:
        description: "Test class or class/method (e.g. UpdatePillUITests or UpdatePillUITests/testSomething)"
        required: true
      test_timeout:
        description: "Per-test timeout in seconds"
        required: false
        default: "120"
      record_video:
        description: Record the virtual display during tests
        required: false
        default: true
        type: boolean

jobs:
  e2e:
    runs-on: macos-15
    env:
      TEST_REF: ${{ inputs.ref || github.ref }}
    steps:
      - name: Checkout
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          ref: ${{ inputs.ref || github.ref }}
          submodules: recursive

      - name: Capture SHA
        id: sha
        run: echo "sha=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"

      - name: Select Xcode
        run: |
          set -euo pipefail
          if [ -d "/Applications/Xcode.app/Contents/Developer" ]; then
            XCODE_DIR="/Applications/Xcode.app/Contents/Developer"
          else
            XCODE_APP="$(ls -d /Applications/Xcode*.app 2>/dev/null | head -n 1 || true)"
            if [ -n "$XCODE_APP" ]; then
              XCODE_DIR="$XCODE_APP/Contents/Developer"
            else
              echo "No Xcode.app found under /Applications" >&2
              exit 1
            fi
          fi
          echo "DEVELOPER_DIR=$XCODE_DIR" >> "$GITHUB_ENV"
          export DEVELOPER_DIR="$XCODE_DIR"
          xcodebuild -version
          xcrun --sdk macosx --show-sdk-path

      - name: Download pre-built GhosttyKit.xcframework
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -euo pipefail
          GHOSTTY_SHA=$(git -C ghostty rev-parse HEAD)
          TAG="xcframework-$GHOSTTY_SHA"
          URL="https://github.com/manaflow-ai/ghostty/releases/download/$TAG/GhosttyKit.xcframework.tar.gz"
          echo "Downloading xcframework for ghostty $GHOSTTY_SHA"
          MAX_RETRIES=30
          RETRY_DELAY=20
          for i in $(seq 1 $MAX_RETRIES); do
            if curl -fSL -o GhosttyKit.xcframework.tar.gz "$URL"; then
              echo "Download succeeded on attempt $i"
              break
            fi
            if [ "$i" -eq "$MAX_RETRIES" ]; then
              echo "Failed to download xcframework after $MAX_RETRIES attempts" >&2
              exit 1
            fi
            echo "Attempt $i/$MAX_RETRIES failed, retrying in ${RETRY_DELAY}s..."
            sleep $RETRY_DELAY
          done
          tar xzf GhosttyKit.xcframework.tar.gz
          rm GhosttyKit.xcframework.tar.gz
          test -d GhosttyKit.xcframework

      - name: Create virtual display
        run: |
          set -euo pipefail
          echo "=== Display before ==="
          system_profiler SPDisplaysDataType 2>/dev/null || echo "(none)"
          echo ""
          clang -framework Foundation -framework CoreGraphics \
            -o /tmp/create-virtual-display scripts/create-virtual-display.m
          /tmp/create-virtual-display &
          VDISPLAY_PID=$!
          echo "VDISPLAY_PID=$VDISPLAY_PID" >> "$GITHUB_ENV"
          sleep 3
          echo "=== Display after ==="
          system_profiler SPDisplaysDataType 2>/dev/null || echo "(none)"

      - name: Install ffmpeg
        if: ${{ inputs.record_video }}
        run: |
          brew install --quiet ffmpeg
          FFMPEG_PATH=$(which ffmpeg)
          echo "ffmpeg: $FFMPEG_PATH"
          ffmpeg -version | head -1
          echo "FFMPEG_PATH=$FFMPEG_PATH" >> "$GITHUB_ENV"

      - name: Grant TCC screen recording permission
        continue-on-error: true
        run: |
          TCC_DB="$HOME/Library/Application Support/com.apple.TCC/TCC.db"
          if [ -f "$TCC_DB" ]; then
            for client in /usr/sbin/screencapture "${FFMPEG_PATH:-/opt/homebrew/bin/ffmpeg}" /opt/homebrew/bin/ffmpeg /usr/local/bin/ffmpeg; do
              sqlite3 "$TCC_DB" "INSERT OR REPLACE INTO access (service, client, client_type, auth_value, auth_reason, auth_version) VALUES ('kTCCServiceScreenCapture', '$client', 1, 2, 4, 1);" 2>/dev/null || true
            done
          fi

      - name: Start screen recording
        if: ${{ inputs.record_video }}
        run: |
          # Detect screen capture device index. ffmpeg -list_devices always
          # exits non-zero; redirect noise to a temp file and parse it.
          DEVLIST=$( ffmpeg -f avfoundation -list_devices true -i "" 2>&1 || true )
          echo "Available devices:"
          echo "$DEVLIST" | grep -E "AVFoundation|Capture screen"

          SCREEN_INDEX=$( echo "$DEVLIST" | grep "Capture screen" | head -1 \
            | sed 's/.*\[\([0-9]*\)\].*/\1/' )
          SCREEN_INDEX="${SCREEN_INDEX:-0}"
          echo "Using screen device index: $SCREEN_INDEX"

          # Start recording. Try detected index, fall back to 1 if it dies immediately.
          start_recording() {
            ffmpeg -f avfoundation -framerate 10 -capture_cursor 1 \
              -i "$1:none" \
              -c:v libx264 -preset ultrafast -pix_fmt yuv420p \
              /tmp/test-recording.mp4 </dev/null >/tmp/ffmpeg.log 2>&1 &
            echo $!
          }

          RECORD_PID=$(start_recording "$SCREEN_INDEX")
          sleep 2

          if ! kill -0 "$RECORD_PID" 2>/dev/null; then
            echo "Index $SCREEN_INDEX failed, trying index 1"
            cat /tmp/ffmpeg.log
            rm -f /tmp/test-recording.mp4
            RECORD_PID=$(start_recording 1)
            sleep 2
          fi

          if kill -0 "$RECORD_PID" 2>/dev/null; then
            echo "Recording started (PID $RECORD_PID)"
          else
            echo "::error::ffmpeg screen recording failed to start"
            cat /tmp/ffmpeg.log
          fi
          echo "RECORD_PID=$RECORD_PID" >> "$GITHUB_ENV"

      - name: Clean DerivedData
        run: rm -rf ~/Library/Developer/Xcode/DerivedData/GhosttyTabs-*

      - name: Resolve Swift packages
        run: |
          set -euo pipefail
          SOURCE_PACKAGES_DIR="$PWD/.ci-source-packages"
          rm -rf "$SOURCE_PACKAGES_DIR"
          mkdir -p "$SOURCE_PACKAGES_DIR"
          for attempt in 1 2 3; do
            if xcodebuild -project GhosttyTabs.xcodeproj -scheme cmux-unit -configuration Debug \
              -clonedSourcePackagesDirPath "$SOURCE_PACKAGES_DIR" \
              -resolvePackageDependencies; then
              exit 0
            fi
            if [ "$attempt" -eq 3 ]; then
              echo "Failed to resolve Swift packages after 3 attempts" >&2
              exit 1
            fi
            echo "Package resolution failed on attempt $attempt, retrying..."
            sleep $((attempt * 5))
          done

      - name: Run UI tests
        id: tests
        env:
          TEST_FILTER: ${{ inputs.test_filter }}
          TEST_TIMEOUT: ${{ inputs.test_timeout || '120' }}
        run: |
          set -euo pipefail
          SOURCE_PACKAGES_DIR="$PWD/.ci-source-packages"

          ONLY_TESTING="-only-testing:cmuxUITests/$TEST_FILTER"

          set +e
          OUTPUT=$(xcodebuild -project GhosttyTabs.xcodeproj -scheme cmux -configuration Debug \
            -clonedSourcePackagesDirPath "$SOURCE_PACKAGES_DIR" \
            -disableAutomaticPackageResolution \
            -destination "platform=macOS" \
            -maximum-test-execution-time-allowance "$TEST_TIMEOUT" \
            $ONLY_TESTING test 2>&1)
          EXIT_CODE=$?
          set -e

          echo "$OUTPUT"

          # Save summary for the issue
          SUMMARY=$(echo "$OUTPUT" | grep -E "(Test Suite|Executed|FAIL|PASS)" | tail -20)
          {
            echo "test_summary<<EOFSUM"
            echo "$SUMMARY"
            echo "EOFSUM"
          } >> "$GITHUB_OUTPUT"

          if [ "$EXIT_CODE" -eq 0 ]; then
            echo "test_result=passed" >> "$GITHUB_OUTPUT"
          else
            echo "test_result=failed" >> "$GITHUB_OUTPUT"
            # Save full output for the issue body
            {
              echo "test_output<<EOFOUT"
              echo "$OUTPUT" | tail -200
              echo "EOFOUT"
            } >> "$GITHUB_OUTPUT"
            exit 1
          fi

      - name: Stop screen recording
        if: ${{ always() && inputs.record_video && env.RECORD_PID != '' }}
        run: |
          # Send quit signal to ffmpeg for clean finalization
          kill -INT "$RECORD_PID" 2>/dev/null || true
          for i in $(seq 1 15); do
            if ! kill -0 "$RECORD_PID" 2>/dev/null; then
              echo "Recording stopped after ${i}s"
              break
            fi
            sleep 1
          done
          kill -9 "$RECORD_PID" 2>/dev/null || true
          echo "=== ffmpeg log ==="
          cat /tmp/ffmpeg.log 2>/dev/null || true
          echo "=== recording file ==="
          ls -lh /tmp/test-recording.mp4 2>/dev/null || echo "No recording file found"

      - name: Upload recording artifact
        if: ${{ always() && inputs.record_video }}
        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
        with:
          name: test-recording
          path: /tmp/test-recording.mp4
          if-no-files-found: warn

      - name: Post results to cmux-dev-artifacts
        if: always()
        env:
          GH_TOKEN: ${{ secrets.DEV_ARTIFACTS_TOKEN }}
          TEST_RESULT: ${{ steps.tests.outputs.test_result || 'failed' }}
          TEST_SUMMARY: ${{ steps.tests.outputs.test_summary }}
          TEST_OUTPUT: ${{ steps.tests.outputs.test_output }}
          TEST_FILTER: ${{ inputs.test_filter }}
          COMMIT_SHA: ${{ steps.sha.outputs.sha }}
          RUN_ID: ${{ github.run_id }}
          RECORD_VIDEO: ${{ inputs.record_video }}
        run: |
          set -euo pipefail

          LABEL="$TEST_RESULT"
          if [ "$TEST_RESULT" = "passed" ]; then
            STATUS_EMOJI="PASSED"
          else
            STATUS_EMOJI="FAILED"
          fi

          REF_DISPLAY="${{ inputs.ref || github.ref_name }}"
          RUN_URL="https://github.com/${{ github.repository }}/actions/runs/$RUN_ID"
          ARTIFACT_URL="$RUN_URL#artifacts"

          # Build issue body (no leading whitespace)
          BODY="**Status:** $STATUS_EMOJI
          **Ref:** \`$REF_DISPLAY\`
          **SHA:** [\`${COMMIT_SHA:0:12}\`](https://github.com/${{ github.repository }}/commit/$COMMIT_SHA)
          **Test:** \`$TEST_FILTER\`
          **Workflow run:** $RUN_URL"

          if [ "$RECORD_VIDEO" = "true" ]; then
            BODY="$BODY
          **Recording:** [Download from artifacts]($ARTIFACT_URL)"
          fi

          if [ -n "$TEST_OUTPUT" ]; then
            BODY="$BODY

          <details><summary>Test output (last 200 lines)</summary>

          \`\`\`
          $TEST_OUTPUT
          \`\`\`

          </details>"
          fi

          if [ -n "$TEST_SUMMARY" ]; then
            BODY="$BODY

          \`\`\`
          $TEST_SUMMARY
          \`\`\`"
          fi

          ISSUE_URL=$(gh issue create \
            --repo manaflow-ai/cmux-dev-artifacts \
            --title "[$STATUS_EMOJI] $TEST_FILTER @ ${COMMIT_SHA:0:7} ($REF_DISPLAY)" \
            --body "$BODY" \
            --label "$LABEL")

          echo "Issue posted: $ISSUE_URL"
          echo "::notice title=Test Result Issue::$ISSUE_URL"