name: Build iOS App

on:
  workflow_dispatch:
    inputs:
      target_owner:
        description: "Gitea org/user that owns the target repo"
        required: true
      target_repo:
        description: "Repository name to build"
        required: true
      target_branch:
        description: "Branch to build"
        required: true

jobs:
  build:
    runs-on: macos-tahoe
    steps:
      - name: Clone target repo
        env:
          GITEA_TOKEN: ${{ github.token }}
        run: |
          REPO_URL="http://gitea-token:${GITEA_TOKEN}@localhost:3000/${{ inputs.target_owner }}/${{ inputs.target_repo }}.git"
          git clone --depth 1 --branch "${{ inputs.target_branch }}" "$REPO_URL" workspace

      - name: Generate Xcode project (if xcodegen)
        run: |
          cd workspace
          if [ -f project.yml ]; then
            export PATH="/opt/homebrew/bin:$PATH"
            xcodegen generate
            echo "XcodeGen project generated"
          else
            echo "No project.yml — using existing Xcode project"
          fi

      - name: Resolve scheme
        id: scheme
        run: |
          cd workspace
          PROJ=""
          PROJ_FLAG=""
          for f in *.xcworkspace; do
            if [ -d "$f" ]; then PROJ="$f"; PROJ_FLAG="-workspace"; break; fi
          done
          if [ -z "$PROJ" ]; then
            for f in *.xcodeproj; do
              if [ -d "$f" ]; then PROJ="$f"; PROJ_FLAG="-project"; break; fi
            done
          fi
          if [ -z "$PROJ" ]; then
            echo "::error::No Xcode project or workspace found"
            exit 1
          fi
          SCHEME=$(xcodebuild $PROJ_FLAG "$PROJ" -list 2>/dev/null | awk '/Schemes:/{found=1;next} found && /^[[:space:]]+/{gsub(/^[[:space:]]+/,""); print; exit}')
          echo "proj=$PROJ" >> "$GITHUB_OUTPUT"
          echo "proj_flag=$PROJ_FLAG" >> "$GITHUB_OUTPUT"
          echo "scheme=$SCHEME" >> "$GITHUB_OUTPUT"
          echo "Resolved: $PROJ_FLAG $PROJ -scheme $SCHEME"

      - name: Archive
        run: |
          cd workspace
          xcodebuild \
            ${{ steps.scheme.outputs.proj_flag }} "${{ steps.scheme.outputs.proj }}" \
            -scheme "${{ steps.scheme.outputs.scheme }}" \
            -configuration Release \
            -archivePath ../build/App.xcarchive \
            -destination 'generic/platform=iOS' \
            CODE_SIGN_IDENTITY="-" \
            CODE_SIGNING_ALLOWED=NO \
            archive

      - name: Package IPA
        run: |
          REPO="${{ inputs.target_repo }}"
          BRANCH="${{ inputs.target_branch }}"
          SHA=$(cd workspace && git rev-parse --short HEAD)
          TS=$(date +%Y%m%d-%H%M%S)
          IPA_NAME="${REPO}-${BRANCH}-${SHA}-${TS}.ipa"
          IPA_NAME=$(echo "$IPA_NAME" | tr '/' '-')

          mkdir -p build/Payload
          cp -R build/App.xcarchive/Products/Applications/*.app build/Payload/
          cd build
          zip -r "$IPA_NAME" Payload/
          echo "Built: $IPA_NAME ($(stat -f %z "$IPA_NAME") bytes)"

          echo "ipa_name=$IPA_NAME" >> "$GITHUB_OUTPUT"
          echo "ipa_path=build/$IPA_NAME" >> "$GITHUB_OUTPUT"
        id: package

      - name: Upload artifact
        uses: actions/upload-artifact@v3
        with:
          name: "${{ inputs.target_repo }}-${{ inputs.target_branch }}"
          path: "${{ steps.package.outputs.ipa_path }}"
          retention-days: 7