name: Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  release:
    name: Create Release
    runs-on: ubuntu-gitea
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.24.2'

      - name: Cache Go modules
        uses: actions/cache@v4
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Download Go modules
        run: go mod download

      - name: Build for multiple platforms
        shell: bash
        run: |
          VERSION=${GITHUB_REF#refs/tags/}
          COMMIT=$(git rev-parse --short HEAD)
          DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)
          go mod tidy
          make cross VERSION="$VERSION" COMMIT="$COMMIT" DATE="$DATE"
        # go mod tidy ensures go.sum is complete for this Go version in CI (common fix for "missing go.sum entry" during cross builds)
        # make cross (with deps) handles the loop + ldflags

      - name: Prepare assets
        shell: bash
        run: |
          VERSION=${GITHUB_REF#refs/tags/}
          for bin in build/gralculator-* ; do
            if [ ! -f "$bin" ]; then continue; fi
            OSARCH=$(basename "$bin" | sed 's/gralculator-//' | sed 's/\.exe$//')
            tar czf "build/gralculator-${OSARCH}-${VERSION}.tar.gz" -C build "$(basename "$bin")"
          done
          sha256sum build/gralculator-*.tar.gz | tee build/checksums.txt

          # Include useful scripts from repo (if present)
          [ -f scripts/gralculator-install.sh ] && cp scripts/gralculator-install.sh build/
          [ -f scripts/gralculator-install.ps1 ] && cp scripts/gralculator-install.ps1 build/

          # Clean raw binaries (we ship the tarballs)
          for plat in 'linux/amd64' 'linux/arm64' 'darwin/amd64' 'darwin/arm64' 'windows/amd64'; do
            OS=$(echo "$plat" | cut -d/ -f1)
            ARCH=$(echo "$plat" | cut -d/ -f2)
            BIN="gralculator-${OS}-${ARCH}"
            if [ "$OS" = "windows" ]; then BIN="${BIN}.exe"; fi
            rm -f "build/${BIN}"
          done

      - name: Install dependencies
        run: apt update && apt install -y jq

      - name: Create Release & Upload Assets
        shell: bash
        env:
          GITEA_TOKEN: ${{ secrets.RELEASE_TOKEN }}
        run: |
          set -euo pipefail

          VERSION=${GITHUB_REF#refs/tags/}
          GITEA_API=https://repos.gmgauthier.com/api/v1
          REPO=${GITHUB_REPOSITORY}

          echo "Creating release for tag ${VERSION} on ${REPO}..."

          curl --fail --silent --show-error -X POST "${GITEA_API}/repos/${REPO}/releases" \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -H "Content-Type: application/json" \
            -d "{
              \"tag_name\": \"${VERSION}\",
              \"name\": \"gralculator ${VERSION}\",
              \"target\": \"${GITHUB_SHA}\",
              \"draft\": false,
              \"body\": \"## Quick Start\n\nDownload the appropriate archive for your platform, extract the gralculator binary, and run it.\n\n\`\`\`bash\n./gralculator\n\`\`\`\n\nFeatures a wide integrated display with base cycling (Tab), MOD support, CERR on non-integer base switches, and a tactile keypad.\n\nPlatform binaries (tar.gz) + checksums.txt are attached. See README.md (when present) and the design docs for details.\"
            }" > release.json

          echo "Release creation response:"
          cat release.json

          RELEASE_ID=$(jq -r '.id // empty' release.json)

          if [ -z "$RELEASE_ID" ]; then
            echo "ERROR: Failed to create release. No release ID returned. Check the response above and your RELEASE_TOKEN secret (must have 'repo' scope and write access)."
            exit 1
          fi

          echo "Release created with ID: $RELEASE_ID"

          for asset in build/* ; do
            name=$(basename "$asset")
            mime="application/octet-stream"
            [[ "$name" =~ \.tar\.gz$ ]] && mime="application/gzip"
            [[ "$name" =~ \.(txt|sh|ps1)$ ]] && mime="text/plain"
            echo "Uploading asset: $name"
            curl --fail --silent --show-error -X POST "${GITEA_API}/repos/${REPO}/releases/${RELEASE_ID}/assets?name=${name}" \
              -H "Authorization: token ${GITEA_TOKEN}" \
              -H "Content-Type: ${mime}" \
              --data-binary "@$asset"
          done

          echo "All assets uploaded successfully."