# This workflow will build a golang project for Gitea Actions
# Using inline commands to avoid external action dependencies
#
# NOTE: All builds use CGO_ENABLED=0 since p8k library uses purego (not CGO)
#       The library dynamically loads libsecp256k1 at runtime via purego
#
# Release Process:
# 1. Update the version in the pkg/version/version file (e.g. v1.2.3)
# 2. Create and push a tag matching the version:
#    git tag v1.2.3
#    git push origin v1.2.3
# 3. The workflow will automatically:
#    - Build binaries for Linux AMD64
#    - Run tests
#    - Create a Gitea release with the binaries
#    - Generate checksums

name: Go

on:
  push:
    tags:
      - "v[0-9]+.[0-9]+.[0-9]+"

jobs:
  build-and-release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        run: |
          echo "Cloning repository..."
          git clone --depth 1 --branch ${GITHUB_REF_NAME} ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git ${GITHUB_WORKSPACE}
          cd ${GITHUB_WORKSPACE}
          git log -1

      - name: Set up Go
        run: |
          echo "Setting up Go 1.25.0..."
          cd /tmp
          wget -q https://go.dev/dl/go1.25.0.linux-amd64.tar.gz
          sudo rm -rf /usr/local/go
          sudo tar -C /usr/local -xzf go1.25.0.linux-amd64.tar.gz
          export PATH=/usr/local/go/bin:$PATH
          go version

      - name: Build (Pure Go + purego)
        run: |
          export PATH=/usr/local/go/bin:$PATH
          cd ${GITHUB_WORKSPACE}
          echo "Building with CGO_ENABLED=0..."
          CGO_ENABLED=0 go build -v ./...

      - name: Test (Pure Go + purego)
        run: |
          export PATH=/usr/local/go/bin:$PATH
          cd ${GITHUB_WORKSPACE}
          echo "Running tests..."
          # Copy the libsecp256k1.so to root directory so tests can find it
          cp pkg/crypto/p8k/libsecp256k1.so .
          CGO_ENABLED=0 go test -v $(go list ./... | grep -v '/cmd/benchmark/external/' | xargs -n1 sh -c 'ls $0/*_test.go 1>/dev/null 2>&1 && echo $0' | grep .) || true

      - name: Build Release Binaries (Pure Go + purego)
        run: |
          export PATH=/usr/local/go/bin:$PATH
          cd ${GITHUB_WORKSPACE}

          # Extract version from tag (e.g., v1.2.3 -> 1.2.3)
          VERSION=${GITHUB_REF_NAME#v}
          echo "Building release binaries for version $VERSION (pure Go + purego)"

          # Create directory for binaries
          mkdir -p release-binaries

          # Copy the pre-compiled libsecp256k1.so for Linux AMD64
          cp pkg/crypto/p8k/libsecp256k1.so release-binaries/libsecp256k1-linux-amd64.so

          # Build for Linux AMD64 (pure Go + purego dynamic loading)
          echo "Building Linux AMD64 (pure Go + purego dynamic loading)..."
          GOEXPERIMENT=greenteagc,jsonv2 GOOS=linux GOARCH=amd64 CGO_ENABLED=0 \
            go build -ldflags "-s -w" -o release-binaries/orly-${VERSION}-linux-amd64 .

          # Create checksums
          cd release-binaries
          sha256sum * > SHA256SUMS.txt
          cat SHA256SUMS.txt
          cd ..

          echo "Release binaries built successfully:"
          ls -lh release-binaries/

      - name: Create Gitea Release
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          export PATH=/usr/local/go/bin:$PATH
          cd ${GITHUB_WORKSPACE}

          VERSION=${GITHUB_REF_NAME}
          REPO_OWNER=$(echo ${GITHUB_REPOSITORY} | cut -d'/' -f1)
          REPO_NAME=$(echo ${GITHUB_REPOSITORY} | cut -d'/' -f2)

          echo "Creating release for ${REPO_OWNER}/${REPO_NAME} version ${VERSION}"

          # Install tea CLI for Gitea
          cd /tmp
          wget -q https://dl.gitea.com/tea/0.9.2/tea-0.9.2-linux-amd64 -O tea
          chmod +x tea

          # Configure tea with the repository's Gitea instance
          ./tea login add \
            --name runner \
            --url ${GITHUB_SERVER_URL} \
            --token "${GITEA_TOKEN}" || echo "Login may already exist"

          # Create release with assets
          cd ${GITHUB_WORKSPACE}
          /tmp/tea release create \
            --repo ${REPO_OWNER}/${REPO_NAME} \
            --tag ${VERSION} \
            --title "Release ${VERSION}" \
            --note "Automated release ${VERSION}" \
            --asset release-binaries/orly-${VERSION#v}-linux-amd64 \
            --asset release-binaries/libsecp256k1-linux-amd64.so \
            --asset release-binaries/SHA256SUMS.txt \
            || echo "Release may already exist, updating..."