name: iOS TestFlight

on:
  workflow_dispatch:
    inputs:
      notes:
        description: "TestFlight release notes"
        required: false
        type: string
  workflow_call:
    inputs:
      notes:
        description: "TestFlight release notes"
        required: false
        type: string
  push:
    tags:
      - 'v*'

permissions:
  contents: read

jobs:
  build-and-upload:
    name: Build signed IPA and upload to TestFlight
    runs-on: macos-26
    timeout-minutes: 120

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Check TestFlight credentials
        id: check_prereqs
        env:
          IOS_KEYCHAIN_PASSWORD: ${{ secrets.IOS_KEYCHAIN_PASSWORD }}
          IOS_DISTRIBUTION_P12_BASE64: ${{ secrets.IOS_DISTRIBUTION_P12_BASE64 }}
          IOS_DISTRIBUTION_P12_PASSWORD: ${{ secrets.IOS_DISTRIBUTION_P12_PASSWORD }}
          IOS_PROVISIONING_PROFILE_BASE64: ${{ secrets.IOS_PROVISIONING_PROFILE_BASE64 }}
          IOS_PROVISIONING_PROFILE_NAME: ${{ secrets.IOS_PROVISIONING_PROFILE_NAME }}
          IOS_TEAM_ID: ${{ secrets.IOS_TEAM_ID }}
          IOS_DISTRIBUTION_CERT_NAME: ${{ secrets.IOS_DISTRIBUTION_CERT_NAME }}
          APP_STORE_CONNECT_API_KEY_ID: ${{ secrets.APP_STORE_CONNECT_API_KEY_ID }}
          APP_STORE_CONNECT_API_KEY_BASE64: ${{ secrets.APP_STORE_CONNECT_API_KEY_BASE64 }}
          APP_STORE_CONNECT_API_ISSUER_ID: ${{ secrets.APP_STORE_CONNECT_API_ISSUER_ID }}
        run: |
          set -eu

          required=(
            IOS_KEYCHAIN_PASSWORD
            IOS_DISTRIBUTION_P12_BASE64
            IOS_DISTRIBUTION_P12_PASSWORD
            IOS_PROVISIONING_PROFILE_BASE64
            IOS_PROVISIONING_PROFILE_NAME
            IOS_TEAM_ID
            IOS_DISTRIBUTION_CERT_NAME
            APP_STORE_CONNECT_API_KEY_ID
            APP_STORE_CONNECT_API_KEY_BASE64
            APP_STORE_CONNECT_API_ISSUER_ID
          )

          missing=()
          for var in "${required[@]}"; do
            if [ -z "${!var-}" ]; then
              missing+=("$var")
            fi
          done

          if [ "${#missing[@]}" -eq 0 ]; then
            echo "enabled=true" >> "$GITHUB_OUTPUT"
            exit 0
          fi

          echo "enabled=false" >> "$GITHUB_OUTPUT"
          {
            echo "Missing required TestFlight secrets:"
            printf " - %s\n" "${missing[@]}"
          } >> "$GITHUB_STEP_SUMMARY"

      - name: Skip iOS TestFlight upload
        if: ${{ steps.check_prereqs.outputs.enabled != 'true' }}
        run: |
          echo "Skipping TestFlight upload because required credentials are not configured."

      - name: Select Xcode 26
        if: ${{ steps.check_prereqs.outputs.enabled == 'true' }}
        run: |
          set -euo pipefail
          sudo xcode-select -s /Applications/Xcode_26.4.app/Contents/Developer
          xcodebuild -version
          xcrun --sdk iphoneos --show-sdk-version

      - name: Set up Flutter
        uses: subosito/flutter-action@v2
        if: ${{ steps.check_prereqs.outputs.enabled == 'true' }}
        with:
          flutter-version: '3.32.4'
          channel: 'stable'
          cache: true

      - name: Install Flutter dependencies
        working-directory: mobile
        if: ${{ steps.check_prereqs.outputs.enabled == 'true' }}
        run: flutter pub get

      - name: Generate app icons
        working-directory: mobile
        if: ${{ steps.check_prereqs.outputs.enabled == 'true' }}
        run: flutter pub run flutter_launcher_icons

      - name: Install CocoaPods
        working-directory: mobile/ios
        if: ${{ steps.check_prereqs.outputs.enabled == 'true' }}
        run: pod install

      - name: Configure iOS signing assets
        id: signing
        if: ${{ steps.check_prereqs.outputs.enabled == 'true' }}
        env:
          KEYCHAIN_PASSWORD: ${{ secrets.IOS_KEYCHAIN_PASSWORD }}
          DIST_P12_BASE64: ${{ secrets.IOS_DISTRIBUTION_P12_BASE64 }}
          DIST_P12_PASSWORD: ${{ secrets.IOS_DISTRIBUTION_P12_PASSWORD }}
          PROFILE_BASE64: ${{ secrets.IOS_PROVISIONING_PROFILE_BASE64 }}
          PROFILE_NAME: ${{ secrets.IOS_PROVISIONING_PROFILE_NAME }}
        run: |
          set -euo pipefail

          KEYCHAIN_PATH="$RUNNER_TEMP/ios-signing.keychain-db"
          PROFILE_DIR="$HOME/Library/MobileDevice/Provisioning Profiles"

          security create-keychain -p "$KEYCHAIN_PASSWORD" "$KEYCHAIN_PATH"
          security set-keychain-settings -lut 3600 "$KEYCHAIN_PATH"
          security unlock-keychain -p "$KEYCHAIN_PASSWORD" "$KEYCHAIN_PATH"
          security list-keychains -d user -s "$KEYCHAIN_PATH"

          CERT_PATH="$RUNNER_TEMP/distribution.p12"
          echo "$DIST_P12_BASE64" | base64 --decode > "$CERT_PATH"
          security import "$CERT_PATH" -k "$KEYCHAIN_PATH" -P "$DIST_P12_PASSWORD" -T /usr/bin/codesign
          security set-key-partition-list -S apple-tool:,apple: -s -k "$KEYCHAIN_PASSWORD" "$KEYCHAIN_PATH"

          if [ -n "$PROFILE_BASE64" ] && [ -n "$PROFILE_NAME" ]; then
            mkdir -p "$PROFILE_DIR"
            PROFILE_PATH="$PROFILE_DIR/${PROFILE_NAME}.mobileprovision"
            echo "$PROFILE_BASE64" | base64 --decode > "$PROFILE_PATH"
          fi

          rm -f "$CERT_PATH"
          echo "keychain-path=$KEYCHAIN_PATH" >> "$GITHUB_OUTPUT"

      - name: Build signed IPA
        working-directory: mobile
        if: ${{ steps.check_prereqs.outputs.enabled == 'true' }}
        env:
          APP_BUNDLE_ID: am.sure.mobile
          IOS_TEAM_ID: ${{ secrets.IOS_TEAM_ID }}
          PROFILE_NAME: ${{ secrets.IOS_PROVISIONING_PROFILE_NAME }}
          IOS_DISTRIBUTION_CERT_NAME: ${{ secrets.IOS_DISTRIBUTION_CERT_NAME }}
        run: |
          set -euo pipefail

          IOS_VERSION="$(tr -d '[:space:]' < ../.sure-version | sed 's/-.*$//')"
          IOS_BUILD_NUMBER="$(date -u +%Y%m%d%H%M)"
          ARCHIVE_PATH="$RUNNER_TEMP/Runner.xcarchive"
          EXPORT_PATH="$PWD/build/ios/ipa"
          EXPORT_PLIST="$RUNNER_TEMP/ExportOptions.plist"
          python3 <<'PY'
          import os
          import re
          from pathlib import Path

          path = Path("ios/Runner.xcodeproj/project.pbxproj")
          text = path.read_text()

          team = os.environ["IOS_TEAM_ID"]
          profile = os.environ["PROFILE_NAME"]
          identity = os.environ["IOS_DISTRIBUTION_CERT_NAME"]

          def patch_block(match):
              block = match.group(0)
              if "PRODUCT_BUNDLE_IDENTIFIER = am.sure.mobile;" not in block:
                  return block
              if "CODE_SIGN_STYLE = Manual;" not in block:
                  block = block.replace("CURRENT_PROJECT_VERSION = \"$(FLUTTER_BUILD_NUMBER)\";", "CURRENT_PROJECT_VERSION = \"$(FLUTTER_BUILD_NUMBER)\";\n\t\t\t\tCODE_SIGN_STYLE = Manual;")
              if '"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "Apple Distribution";' not in block:
                  block = re.sub(r'DEVELOPMENT_TEAM = .*?;', f'"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "{identity}";\n\t\t\t\tDEVELOPMENT_TEAM = {team};', block, count=1)
              else:
                  block = re.sub(r'"CODE_SIGN_IDENTITY\[sdk=iphoneos\*\]" = ".*?";', f'"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "{identity}";', block)
                  block = re.sub(r'DEVELOPMENT_TEAM = .*?;', f'DEVELOPMENT_TEAM = {team};', block)
              if "PROVISIONING_PROFILE_SPECIFIER = " in block:
                  block = re.sub(r'PROVISIONING_PROFILE_SPECIFIER = .*?;', f'PROVISIONING_PROFILE_SPECIFIER = "{profile}";', block)
              else:
                  block = block.replace(f'DEVELOPMENT_TEAM = {team};', f'DEVELOPMENT_TEAM = {team};\n\t\t\t\tPROVISIONING_PROFILE_SPECIFIER = "{profile}";')
              return block

          text = re.sub(r'isa = XCBuildConfiguration;\n\s+baseConfigurationReference = .*?;\n\s+buildSettings = \{.*?\n\s+name = (?:Debug|Release|Profile);\n\s+\};', patch_block, text, flags=re.S)
          path.write_text(text)
          PY

          cat > "$EXPORT_PLIST" <<EOF
          <?xml version="1.0" encoding="UTF-8"?>
          <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
          <plist version="1.0">
          <dict>
            <key>method</key>
            <string>app-store</string>
            <key>teamID</key>
            <string>${IOS_TEAM_ID}</string>
            <key>signingStyle</key>
            <string>manual</string>
            <key>provisioningProfiles</key>
            <dict>
              <key>${APP_BUNDLE_ID}</key>
              <string>${PROFILE_NAME}</string>
            </dict>
            <key>uploadBitcode</key>
            <false/>
            <key>uploadSymbols</key>
            <true/>
            <key>compileBitcode</key>
            <false/>
          </dict>
          </plist>
          EOF

          if [ -z "$IOS_VERSION" ]; then
            echo "::error::.sure-version is empty or unreadable"
            exit 1
          fi

          echo "Using iOS version: $IOS_VERSION"
          echo "Using iOS build number: $IOS_BUILD_NUMBER"

          flutter build ios \
            --release \
            --no-codesign \
            --build-name="$IOS_VERSION" \
            --build-number="$IOS_BUILD_NUMBER"

          xcodebuild \
            -workspace ios/Runner.xcworkspace \
            -scheme Runner \
            -configuration Release \
            -archivePath "$ARCHIVE_PATH" \
            -destination 'generic/platform=iOS' \
            MARKETING_VERSION="$IOS_VERSION" \
            CURRENT_PROJECT_VERSION="$IOS_BUILD_NUMBER" \
            archive

          mkdir -p "$EXPORT_PATH"

          xcodebuild \
            -exportArchive \
            -archivePath "$ARCHIVE_PATH" \
            -exportPath "$EXPORT_PATH" \
            -exportOptionsPlist "$EXPORT_PLIST"

      - name: Prepare TestFlight auth key
        id: testflight_key
        if: ${{ steps.check_prereqs.outputs.enabled == 'true' }}
        env:
          APP_STORE_CONNECT_API_KEY_ID: ${{ secrets.APP_STORE_CONNECT_API_KEY_ID }}
          APP_STORE_CONNECT_API_KEY_BASE64: ${{ secrets.APP_STORE_CONNECT_API_KEY_BASE64 }}
        run: |
          set -euo pipefail
          KEY_DIR="$HOME/.appstoreconnect/private_keys"
          mkdir -p "$KEY_DIR"
          KEY_FILE="$KEY_DIR/AuthKey_${APP_STORE_CONNECT_API_KEY_ID}.p8"
          echo "$APP_STORE_CONNECT_API_KEY_BASE64" | base64 --decode > "$KEY_FILE"
          chmod 600 "$KEY_FILE"
          echo "key-file=$KEY_FILE" >> "$GITHUB_OUTPUT"

      - name: Upload IPA to TestFlight
        working-directory: mobile
        if: ${{ steps.check_prereqs.outputs.enabled == 'true' }}
        env:
          APP_STORE_CONNECT_API_KEY_ID: ${{ secrets.APP_STORE_CONNECT_API_KEY_ID }}
          APP_STORE_CONNECT_API_ISSUER_ID: ${{ secrets.APP_STORE_CONNECT_API_ISSUER_ID }}
          APP_STORE_CONNECT_API_KEY_FILE: ${{ steps.testflight_key.outputs.key-file }}
        run: |
          set -euo pipefail
          IPA_PATH="$(find build/ios/ipa -name '*.ipa' | head -n 1)"
          if [ -z "$IPA_PATH" ]; then
            echo "::error::No IPA found at build/ios/ipa"
            exit 1
          fi

          xcrun altool \
            --upload-app \
            --file "$IPA_PATH" \
            --type ios \
            --apiKey "$APP_STORE_CONNECT_API_KEY_ID" \
            --apiIssuer "$APP_STORE_CONNECT_API_ISSUER_ID"

      - name: Upload build artifact
        if: ${{ steps.check_prereqs.outputs.enabled == 'true' }}
        uses: actions/upload-artifact@v4
        with:
          name: ios-ipa-testflight
          path: mobile/build/ios/ipa/*.ipa
          if-no-files-found: error

      - name: Cleanup signing keychain
        if: ${{ always() && steps.check_prereqs.outputs.enabled == 'true' }}
        env:
          APP_STORE_CONNECT_API_KEY_ID: ${{ secrets.APP_STORE_CONNECT_API_KEY_ID }}
        run: |
          set -euo pipefail
          KEYCHAIN_PATH="${{ steps.signing.outputs.keychain-path }}"
          if [ -n "$KEYCHAIN_PATH" ] && [ -f "$KEYCHAIN_PATH" ]; then
            security delete-keychain "$KEYCHAIN_PATH"
          fi

          KEY_FILE="$HOME/.appstoreconnect/private_keys/AuthKey_${APP_STORE_CONNECT_API_KEY_ID}.p8"
          rm -f "$KEY_FILE"