release.yml

name: Release

on:
  push:
    branches:
      - main
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      version:
        description: 'Release version tag (e.g. v1.0.0, leave empty for automated numerical version)'
        required: false
        default: ''

permissions:
  contents: write

jobs:
  test:
    name: Run Tests & Verification
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Source
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version-file: 'go.mod'
          cache: true

      - name: Run Linters
        run: make lint

      - name: Run Tests
        run: make test

  build-and-release:
    name: Build & Release
    needs: test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Source (full history)
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version-file: 'go.mod'
          cache: true

      - name: Determine Release Tag & Time
        id: release_info
        run: |
          export TZ=Asia/Kolkata
          DISPLAY_TIME=$(date +'%d %b %Y, %H:%M IST')
          echo "DISPLAY_TIME=$DISPLAY_TIME" >> $GITHUB_OUTPUT

          BASE_VER=$(grep -m1 '^VERSION' Makefile | cut -d'=' -f2 | tr -d ' ' | sed 's/^v//')
          if [ -z "$BASE_VER" ]; then
            BASE_VER="1.0.0"
          fi
          MAJOR_MINOR=$(echo "$BASE_VER" | cut -d'.' -f1,2)

          if [ "${{ github.event_name }}" = "workflow_dispatch" ] && [ -n "${{ github.event.inputs.version }}" ]; then
            TAG="${{ github.event.inputs.version }}"
            [[ "$TAG" != v* ]] && TAG="v$TAG"
          elif [ "${{ github.ref_type }}" = "tag" ]; then
            TAG="${{ github.ref_name }}"
          else
            TAG="v${MAJOR_MINOR}.${{ github.run_number }}"
          fi

          echo "TAG=$TAG" >> $GITHUB_OUTPUT

      - name: Build Binaries with Makefile
        run: make build VERSION=${{ steps.release_info.outputs.TAG }}

      - name: Generate SHA256 Checksums
        run: |
          cd builds
          sha256sum DrivePulse_* > checksums.txt
          cat checksums.txt

      - name: Generate Structured Changelog
        id: changelog
        run: |
          LAST_TAG=$(git describe --tags --exclude='latest' --abbrev=0 HEAD~1 2>/dev/null || echo "")
          RANGE="HEAD"
          if [ -n "$LAST_TAG" ]; then
            RANGE="${LAST_TAG}..HEAD"
          fi

          FEATS=$(git log "$RANGE" --grep="^[Ff]eat" --pretty=format:"- %s ([%h](https://github.com/${{ github.repository }}/commit/%H))")
          FIXES=$(git log "$RANGE" --grep="^[Ff]ix" --pretty=format:"- %s ([%h](https://github.com/${{ github.repository }}/commit/%H))")
          CHORES=$(git log "$RANGE" --grep="^\([Cc]hore\|[Dd]ocs\|[Cc]i\|[Rr]efactor\|[Ss]tyle\|[Tt]est\)" --pretty=format:"- %s ([%h](https://github.com/${{ github.repository }}/commit/%H))")
          OTHERS=$(git log "$RANGE" --invert-grep --grep="^\([Ff]eat\|[Ff]ix\|[Cc]hore\|[Dd]ocs\|[Cc]i\|[Rr]efactor\|[Ss]tyle\|[Tt]est\)" --pretty=format:"- %s ([%h](https://github.com/${{ github.repository }}/commit/%H))")

          CL_FILE=$(mktemp)
          {
            echo "### 💡 Highlights"
            echo "DrivePulse automated release build (${{ steps.release_info.outputs.TAG }})."
            echo ""

            if [ -n "$FEATS" ]; then
              echo "### 🚀 Features & Enhancements"
              echo "$FEATS"
              echo ""
            fi

            if [ -n "$FIXES" ]; then
              echo "### 🐛 Bug Fixes"
              echo "$FIXES"
              echo ""
            fi

            if [ -n "$CHORES" ]; then
              echo "### 🧹 Maintenance & Chores"
              echo "$CHORES"
              echo ""
            fi

            if [ -n "$OTHERS" ]; then
              echo "### 📋 Other Commits"
              echo "$OTHERS"
              echo ""
            fi

            if [ -n "$LAST_TAG" ]; then
              echo "### 🔗 Full Changelog"
              echo "https://github.com/${{ github.repository }}/compare/${LAST_TAG}...${{ steps.release_info.outputs.TAG }}"
              echo ""
            fi
          } > "$CL_FILE"

          {
            echo "CHANGELOG<<EOF"
            cat "$CL_FILE"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"
          rm -f "$CL_FILE"

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.release_info.outputs.TAG }}
          name: "DrivePulse Release #${{ github.run_number }} (${{ steps.release_info.outputs.TAG }})"
          body: |
            ⚡ **DrivePulse Automated Release**
            📅 **Built at:** ${{ steps.release_info.outputs.DISPLAY_TIME }}

            ${{ steps.changelog.outputs.CHANGELOG }}

            ### 📦 Artifacts & Integrity
            Binary assets are attached below along with `checksums.txt` (SHA256).
          files: |
            builds/*
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Update latest tag
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git tag -fa latest -m "Update latest tag to ${{ steps.release_info.outputs.TAG }}"
          git push origin latest --force