name: Build iOS

on:
  push:
    branches:
      - "**"
      - "!ci/linux-build-image"
    tags:
      - "*"
  workflow_dispatch:
    inputs:
      patch:
        description: "Hotfix patch number, for example 1 or 2. Use 0 for a normal build."
        required: false
        default: "0"

permissions:
  contents: read

env:
  IOS_DEPLOYMENT_TARGET: "16.0"
  EXPECTED_IOS_SDK: "26.5"

jobs:
  build-ios:
    name: Build iOS (arm64)
    runs-on: macos-26
    timeout-minutes: 120

    steps:
      - name: Extract version number
        shell: bash
        run: |
          VERSION_REF="${GITHUB_REF##*/}"
          VERSION_BASE="${VERSION_REF#v}"
          BUILD_DATE=$(TZ=Asia/Shanghai date +%Y%m%d)
          PATCH_NUMBER="${{ github.event.inputs.patch }}"

          if [[ ! "${PATCH_NUMBER}" =~ ^[0-9]+$ ]]; then
            PATCH_NUMBER=0
          fi

          if [[ "${VERSION_BASE}" =~ ^([0-9]+(\.[0-9]+){1,3})-([0-9]+)-([0-9]{8})$ ]]; then
            VERSION_BASE="${BASH_REMATCH[1]}"
            PATCH_NUMBER="${BASH_REMATCH[3]}"
            BUILD_DATE="${BASH_REMATCH[4]}"
          elif [[ "${VERSION_BASE}" =~ ^([0-9]+(\.[0-9]+){1,3})-([0-9]{8})-([0-9]+)$ ]]; then
            VERSION_BASE="${BASH_REMATCH[1]}"
            BUILD_DATE="${BASH_REMATCH[3]}"
            PATCH_NUMBER="${BASH_REMATCH[4]}"
          elif [[ "${VERSION_BASE}" =~ ^([0-9]+(\.[0-9]+){1,3})-([0-9]{8})$ ]]; then
            VERSION_BASE="${BASH_REMATCH[1]}"
            BUILD_DATE="${BASH_REMATCH[3]}"
          elif [[ "${VERSION_BASE}" =~ ^([0-9]+(\.[0-9]+){1,3})-([0-9]+)$ && "${PATCH_NUMBER}" == "0" ]]; then
            VERSION_BASE="${BASH_REMATCH[1]}"
            PATCH_NUMBER="${BASH_REMATCH[3]}"
          fi

          if [[ "${PATCH_NUMBER}" != "0" ]]; then
            VERSION_NUM="v${VERSION_BASE}-${PATCH_NUMBER}-${BUILD_DATE}"
          else
            VERSION_NUM="v${VERSION_BASE}-${BUILD_DATE}"
          fi

          echo "VERSION_NUM=${VERSION_NUM}" >> "${GITHUB_ENV}"
          echo "VERSION_NUM=${VERSION_NUM}"

      - name: Select Xcode 26.6
        shell: bash
        run: |
          sudo xcode-select -s /Applications/Xcode_26.6.app/Contents/Developer
          xcodebuild -version
          SDK_VERSION="$(xcrun --sdk iphoneos --show-sdk-version)"
          if [[ "${SDK_VERSION}" != "${EXPECTED_IOS_SDK}" ]]; then
            echo "Unexpected iOS SDK: expected ${EXPECTED_IOS_SDK}, got ${SDK_VERSION}" >&2
            exit 1
          fi

      - name: Checkout code
        uses: actions/checkout@v5

      - name: Initialize submodules
        run: git submodule update --init --recursive

      - name: Cache xmake dependencies
        uses: actions/cache@v5
        with:
          path: ios/.xmake/packages
          key: "${{ runner.os }}-xmake-deps-ios-arm64-xcode26.6-python3.13-min16-${{ github.run_id }}"
          restore-keys: |
            ${{ runner.os }}-xmake-deps-ios-arm64-xcode26.6-python3.13-min16-

      - name: Set up Python
        uses: actions/setup-python@v6
        with:
          python-version: "3.13"

      - name: Install xmake
        run: brew install xmake

      - name: Update xmake repositories
        run: xmake repo -u

      - name: Build CrossDesk Mobile
        shell: bash
        run: |
          DERIVED_DATA="${RUNNER_TEMP}/CrossDeskMobileDerivedData"
          echo "DERIVED_DATA=${DERIVED_DATA}" >> "${GITHUB_ENV}"
          xcodebuild \
            -project ios/CrossDeskMobile.xcodeproj \
            -scheme CrossDeskMobile \
            -configuration Release \
            -destination 'generic/platform=iOS' \
            -derivedDataPath "${DERIVED_DATA}" \
            CODE_SIGNING_ALLOWED=NO \
            CODE_SIGNING_REQUIRED=NO \
            COMPILER_INDEX_STORE_ENABLE=NO \
            IPHONEOS_DEPLOYMENT_TARGET="${IOS_DEPLOYMENT_TARGET}" \
            build

      - name: Verify CrossDesk Mobile
        shell: bash
        run: |
          APP_PATH="${DERIVED_DATA}/Build/Products/Release-iphoneos/CrossDeskMobile.app"
          EXECUTABLE_PATH="${APP_PATH}/CrossDeskMobile"
          INFO_PLIST="${APP_PATH}/Info.plist"

          if [[ ! -x "${EXECUTABLE_PATH}" ]]; then
            echo "CrossDeskMobile executable is missing from ${APP_PATH}" >&2
            exit 1
          fi

          xcrun lipo "${EXECUTABLE_PATH}" -verify_arch arm64
          MINIMUM_OS=$(/usr/libexec/PlistBuddy -c 'Print :MinimumOSVersion' "${INFO_PLIST}")
          if [[ "${MINIMUM_OS}" != "${IOS_DEPLOYMENT_TARGET}" ]]; then
            echo "Unexpected minimum iOS version: expected ${IOS_DEPLOYMENT_TARGET}, got ${MINIMUM_OS}" >&2
            exit 1
          fi

          xcrun lipo -info "${EXECUTABLE_PATH}"
          echo "Minimum iOS version: ${MINIMUM_OS}"

      - name: Package CrossDesk Mobile
        shell: bash
        run: |
          APP_PATH="${DERIVED_DATA}/Build/Products/Release-iphoneos/CrossDeskMobile.app"
          PACKAGE_DIR="${RUNNER_TEMP}/crossdesk-ios-arm64-unsigned-${VERSION_NUM}"
          PACKAGE_FILE="${GITHUB_WORKSPACE}/crossdesk-ios-arm64-unsigned-${VERSION_NUM}.zip"

          mkdir -p "${PACKAGE_DIR}"
          cp -R "${APP_PATH}" "${PACKAGE_DIR}/"

          DSYM_PATH="${DERIVED_DATA}/Build/Products/Release-iphoneos/CrossDeskMobile.app.dSYM"
          if [[ -d "${DSYM_PATH}" ]]; then
            cp -R "${DSYM_PATH}" "${PACKAGE_DIR}/"
          fi

          ditto -c -k --sequesterRsrc --keepParent "${PACKAGE_DIR}" "${PACKAGE_FILE}"
          echo "PACKAGE_FILE=${PACKAGE_FILE}" >> "${GITHUB_ENV}"

      - name: Upload build artifact
        uses: actions/upload-artifact@v6
        with:
          name: crossdesk-ios-arm64-unsigned-${{ env.VERSION_NUM }}
          path: ${{ env.PACKAGE_FILE }}
          if-no-files-found: error