name: ios-sim

on:
  workflow_dispatch:
    inputs:
      claude:
        description: Also run the Claude session
        type: boolean
        default: false
      backend:
        description: Start the test backend
        type: boolean
        default: false

permissions:
  contents: read
  actions: read

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

env:
  GHC_VER: 9.6.3
  CABAL_VER: 3.10.2.0
  CORE_PKG: pkg-ios-aarch64-swift-json.zip
  BACKEND_PKG: ios-sim-backend.zip
  HOMEBREW_NO_AUTO_UPDATE: 1
  HOMEBREW_NO_INSTALL_CLEANUP: 1
  # newer images add Command Line Tools whose macOS SDK the default Xcode's linker cannot read
  DEVELOPER_DIR: /Applications/Xcode.app/Contents/Developer

jobs:
  plan:
    name: choose jobs, find earlier builds
    runs-on: ubuntu-24.04
    timeout-minutes: 10
    outputs:
      run-claude: ${{ steps.jobs.outputs.claude }}
      run-backend: ${{ steps.jobs.outputs.backend }}
      claude-backend: ${{ steps.scope.outputs.backend }}
      core: ${{ steps.names.outputs.core }}
      core-run: ${{ steps.core.outputs.run-id }}
      backend: ${{ steps.names.outputs.backend }}
      backend-run: ${{ steps.backend.outputs.run-id }}
    steps:
      - name: Choose jobs
        id: jobs
        env:
          CLAUDE: ${{ inputs.claude }}
          BACKEND: ${{ inputs.backend }}
        run: |
          echo "claude=$CLAUDE" | tee -a "$GITHUB_OUTPUT"
          echo "backend=$BACKEND" | tee -a "$GITHUB_OUTPUT"

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

      - name: Claude scope
        id: scope
        if: steps.jobs.outputs.claude == 'true'
        env:
          BACKEND: ${{ steps.jobs.outputs.backend }}
        run: |
          backend=$(sed -n 's/^backend: *//p' scripts/ci/ios-sim/claude-scope)
          case "$backend" in
            yes | no) echo "backend=$backend" | tee -a "$GITHUB_OUTPUT" ;;
            *)
              echo "::error::claude-scope must say backend: yes or backend: no"
              exit 1
              ;;
          esac
          if [ "$backend" = yes ] && [ "$BACKEND" != true ]; then
            echo "::error::claude-scope says the Claude sessions use the test backend: ask for it too"
            exit 1
          fi

      # artifacts are named after the sources they are built from, so a run uses one that an earlier run uploaded
      - name: Artifact names
        id: names
        run: |
          echo "core=ios-sim-core-${{ hashFiles('src/**', 'cabal.project', 'simplex-chat.cabal', 'scripts/ci/ios-sim/build-core.sh') }}" >> "$GITHUB_OUTPUT"
          echo "backend=ios-sim-backend-${{ hashFiles('src/**', 'apps/simplex-chat/**', 'apps/simplex-directory-service/Main.hs', 'apps/simplex-directory-service/src/**', 'cabal.project', 'simplex-chat.cabal', 'scripts/ci/ios-sim/build-backend.sh') }}" >> "$GITHUB_OUTPUT"

      - name: Find core library
        id: core
        env:
          GH_TOKEN: ${{ github.token }}
        run: scripts/ci/ios-sim/earlier-run.sh "${{ steps.names.outputs.core }}"

      - name: Find backend
        id: backend
        if: steps.jobs.outputs.backend == 'true'
        env:
          GH_TOKEN: ${{ github.token }}
        run: scripts/ci/ios-sim/earlier-run.sh "${{ steps.names.outputs.backend }}"

  core:
    name: core library for the iOS simulator
    needs: plan
    if: needs.plan.outputs.core-run == ''
    runs-on: macos-26
    timeout-minutes: 240
    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Show runner
        run: |
          sw_vers
          sysctl -n hw.ncpu hw.memsize
          df -h /
          xcodebuild -version
          xcrun --show-sdk-path
          ls /Library/Developer/CommandLineTools/SDKs || true

      - name: Use the macOS 26 SDK
        run: scripts/ci/ios-sim/use-macos26-sdk.sh

      - name: Setup Haskell
        uses: simplex-chat/setup-haskell-action@v2
        with:
          ghc-version: ${{ env.GHC_VER }}
          cabal-version: ${{ env.CABAL_VER }}

      - name: Install libraries
        run: brew install openssl@3 libffi gmp

      - name: Build core library
        id: build
        run: scripts/ci/ios-sim/build-core.sh ~/Downloads/${{ env.CORE_PKG }}

      - name: Patch core library for the simulator
        run: scripts/ci/ios-sim/prepare-libs.sh

      - name: Upload core library
        uses: actions/upload-artifact@v7
        with:
          name: ${{ needs.plan.outputs.core }}
          path: ~/Downloads/${{ env.CORE_PKG }}
          compression-level: 0
          retention-days: 30
          if-no-files-found: error

  backend:
    name: test backend for the app
    needs: plan
    if: needs.plan.outputs.run-backend == 'true' && needs.plan.outputs.backend-run == ''
    runs-on: macos-26
    timeout-minutes: 240
    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Show runner
        run: |
          sw_vers
          xcodebuild -version
          xcrun --show-sdk-path
          ls /Library/Developer/CommandLineTools/SDKs || true

      - name: Use the macOS 26 SDK
        run: scripts/ci/ios-sim/use-macos26-sdk.sh

      - name: Setup Haskell
        uses: simplex-chat/setup-haskell-action@v2
        with:
          ghc-version: ${{ env.GHC_VER }}
          cabal-version: ${{ env.CABAL_VER }}

      - name: Build backend
        run: scripts/ci/ios-sim/build-backend.sh ~/Downloads/${{ env.BACKEND_PKG }}

      - name: Upload backend
        uses: actions/upload-artifact@v7
        with:
          name: ${{ needs.plan.outputs.backend }}
          path: ~/Downloads/${{ env.BACKEND_PKG }}
          compression-level: 0
          retention-days: 30
          if-no-files-found: error

  app:
    name: app in the iOS simulator
    needs: [plan, core, backend]
    # core and backend are skipped when an earlier run built them, and backend also when the run doesn't start it
    if: ${{ !cancelled() && !failure() && needs.plan.result == 'success' }}
    runs-on: macos-26
    timeout-minutes: 120
    env:
      START_BACKEND: ${{ needs.plan.outputs.run-backend }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Show runner
        run: |
          sw_vers
          df -h /
          xcodebuild -version
          xcrun --show-sdk-path
          ls /Library/Developer/CommandLineTools/SDKs || true
          xcrun simctl list runtimes

      - name: Use the macOS 26 SDK
        run: scripts/ci/ios-sim/use-macos26-sdk.sh

      - name: Download core library
        uses: actions/download-artifact@v8
        with:
          name: ${{ needs.plan.outputs.core }}
          path: ~/Downloads
          run-id: ${{ needs.plan.outputs.core-run || github.run_id }}
          github-token: ${{ github.token }}

      - name: Prepare libraries
        run: |
          scripts/ci/ios-sim/prepare-libs.sh
          scripts/ios/update-pbxproj.sh

      - name: Download backend
        if: env.START_BACKEND == 'true'
        uses: actions/download-artifact@v8
        with:
          name: ${{ needs.plan.outputs.backend }}
          path: ~/Downloads
          run-id: ${{ needs.plan.outputs.backend-run || github.run_id }}
          github-token: ${{ github.token }}

      - name: Start test backend
        if: env.START_BACKEND == 'true'
        timeout-minutes: 30
        run: scripts/ci/ios-sim/backend.sh start ~/Downloads/${{ env.BACKEND_PKG }} "$RUNNER_TEMP/backend"

      - name: Build app
        run: |
          xcodebuild build -quiet \
            -project apps/ios/SimpleX.xcodeproj \
            -scheme "SimpleX (iOS)" \
            -configuration Debug \
            -destination 'generic/platform=iOS Simulator' \
            -derivedDataPath "$RUNNER_TEMP/DerivedData" \
            -onlyUsePackageVersionsFromResolvedFile \
            -skipPackagePluginValidation \
            -skipMacroValidation \
            ARCHS=arm64 \
            CODE_SIGN_STYLE=Manual \
            CODE_SIGN_IDENTITY=- \
            DEVELOPMENT_TEAM= \
            PROVISIONING_PROFILE_SPECIFIER=

      # for the Claude job; a tarball keeps the app's file modes, which an artifact drops
      - name: Pack app
        if: needs.plan.outputs.run-claude == 'true'
        run: tar -czf "$RUNNER_TEMP/SimpleX.app.tar.gz" -C "$RUNNER_TEMP/DerivedData/Build/Products/Debug-iphonesimulator" SimpleX.app

      - name: Upload app
        if: needs.plan.outputs.run-claude == 'true'
        uses: actions/upload-artifact@v7
        with:
          name: ios-sim-app
          path: ${{ runner.temp }}/SimpleX.app.tar.gz
          compression-level: 0
          retention-days: 1
          if-no-files-found: error

      - name: Install AXe
        run: scripts/ci/ios-sim/install-axe.sh

      - name: Run smoke test
        run: scripts/ci/ios-sim/smoke-test.sh "$RUNNER_TEMP/DerivedData/Build/Products/Debug-iphonesimulator/SimpleX.app" "$RUNNER_TEMP/smoke-test"

      - name: Stop test backend
        if: ${{ !cancelled() && env.START_BACKEND == 'true' }}
        run: scripts/ci/ios-sim/backend.sh stop "$RUNNER_TEMP/backend"

      - name: Upload smoke test results
        if: ${{ !cancelled() }}
        uses: actions/upload-artifact@v7
        with:
          name: ios-sim-smoke-test
          path: ${{ runner.temp }}/smoke-test
          retention-days: 3
          if-no-files-found: warn

      - name: Upload backend logs
        if: ${{ !cancelled() && env.START_BACKEND == 'true' }}
        uses: actions/upload-artifact@v7
        with:
          name: ios-sim-backend-logs
          path: |
            ${{ runner.temp }}/backend/*.log
            ${{ runner.temp }}/backend/seed.md
          retention-days: 3
          if-no-files-found: warn

  # The app-sim-claude environment's branch rule decides which branches may use the token.
  claude:
    name: Claude tests the iOS app
    needs: [plan, app]
    if: ${{ !cancelled() && needs.plan.outputs.run-claude == 'true' && needs.app.result == 'success' }}
    runs-on: macos-26
    timeout-minutes: 330
    environment:
      name: app-sim-claude
      deployment: false
    concurrency:
      group: ios-sim-claude-${{ github.ref }}
      cancel-in-progress: true
    env:
      # the same in both app workflows
      CLAUDE_CODE_VERSION: 2.1.300
    steps:
      # the job holds the Claude token, so the checkout's GitHub token is not left in .git/config
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - name: Show runner
        run: |
          sw_vers
          xcodebuild -version
          xcrun simctl list runtimes

      - name: Use the macOS 26 SDK
        run: scripts/ci/ios-sim/use-macos26-sdk.sh

      - name: Download app
        uses: actions/download-artifact@v8
        with:
          name: ios-sim-app
          path: ${{ runner.temp }}

      - name: Unpack app
        run: tar -xzf "$RUNNER_TEMP/SimpleX.app.tar.gz" -C "$RUNNER_TEMP"

      - name: Download backend
        if: needs.plan.outputs.claude-backend == 'yes'
        uses: actions/download-artifact@v8
        with:
          name: ${{ needs.plan.outputs.backend }}
          path: ~/Downloads
          run-id: ${{ needs.plan.outputs.backend-run || github.run_id }}
          github-token: ${{ github.token }}

      - name: Start test backend
        id: backend
        if: needs.plan.outputs.claude-backend == 'yes'
        timeout-minutes: 30
        run: scripts/ci/ios-sim/backend.sh start ~/Downloads/${{ env.BACKEND_PKG }} "$RUNNER_TEMP/backend"

      - name: Install AXe
        run: scripts/ci/ios-sim/install-axe.sh

      - name: Run smoke test
        run: scripts/ci/ios-sim/smoke-test.sh "$RUNNER_TEMP/SimpleX.app" "$RUNNER_TEMP/claude-test/smoke-test"

      - name: Install Claude Code
        run: |
          npm install -g "@anthropic-ai/claude-code@$CLAUDE_CODE_VERSION"
          claude --version

      - name: Run the device test plan with Claude
        timeout-minutes: 240
        env:
          CLAUDE_CODE_OAUTH_TOKEN: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
          BACKEND_DIR: ${{ steps.backend.outcome == 'success' && format('{0}/backend', runner.temp) || '' }}
        run: scripts/ci/ios-sim/claude-test.sh "$RUNNER_TEMP/claude-test"

      - name: Report Claude usage
        if: ${{ always() }}
        run: scripts/ci/ios-sim/claude-usage.sh "$RUNNER_TEMP/claude-test"

      - name: Stop test backend
        if: ${{ !cancelled() && steps.backend.outcome != 'skipped' }}
        run: scripts/ci/ios-sim/backend.sh stop "$RUNNER_TEMP/backend"

      - name: Upload Claude test results
        if: ${{ always() }}
        uses: actions/upload-artifact@v7
        with:
          name: ios-sim-claude-test
          path: ${{ runner.temp }}/claude-test
          retention-days: 14
          if-no-files-found: warn

      - name: Upload backend logs
        if: ${{ !cancelled() && steps.backend.outcome != 'skipped' }}
        uses: actions/upload-artifact@v7
        with:
          name: ios-sim-claude-backend-logs
          path: |
            ${{ runner.temp }}/backend/*.log
            ${{ runner.temp }}/backend/seed.md
          retention-days: 3
          if-no-files-found: warn