release.yml

name: Release (Manual)

# Manual-only fallback. The main CI workflow handles automated releases.
on:
  workflow_dispatch:
    inputs:
      tag:
        description: "Tag to release (e.g. v6.0.3). Leave empty to use latest tag."
        required: false

permissions:
  contents: write          # create GitHub Release & upload assets

jobs:
  build-and-release:
    runs-on: windows-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Determine version
        id: version
        shell: pwsh
        run: |
          $tag = "${{ github.event.inputs.tag }}"
          if (-not $tag) { $tag = "${{ github.ref_name }}" }
          $ver = $tag -replace '^v', ''
          echo "TAG=$tag"   >> $env:GITHUB_OUTPUT
          echo "VER=$ver"   >> $env:GITHUB_OUTPUT
          Write-Host "Releasing $tag (version $ver)"

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements-dev.txt

      - name: Run tests
        run: python -m pytest tests/ -q

      - name: Build portable (onedir)
        shell: pwsh
        run: |
          & packaging/build_onedir.ps1

      # ── Create ZIP artifact from the onedir build ──
      - name: Package ZIP
        id: zip
        shell: pwsh
        run: |
          $ver  = "${{ steps.version.outputs.VER }}"
          $name = "ElectroChemV6-$ver-win64"
          $src  = "dist/ElectroChemV6"
          $zip  = "dist/$name.zip"
          Compress-Archive -Path "$src/*" -DestinationPath $zip -Force
          echo "ZIP_PATH=$zip"   >> $env:GITHUB_OUTPUT
          echo "ZIP_NAME=$name.zip" >> $env:GITHUB_OUTPUT
          Write-Host "Created $zip"

      # ── Build Inno Setup installer (optional — skipped if ISCC not found) ──
      - name: Build installer
        id: installer
        shell: pwsh
        continue-on-error: true
        run: |
          # Sync version into installer.iss
          $ver = "${{ steps.version.outputs.VER }}"
          $iss = "packaging/installer.iss"
          (Get-Content $iss) -replace '#define AppVersion ".*"', "#define AppVersion `"$ver`"" | Set-Content $iss
          & packaging/build_installer.ps1
          $exe = Get-ChildItem "dist_installer/ElectroChemV6-Setup-*.exe" -ErrorAction SilentlyContinue | Select-Object -First 1
          if ($exe) {
            echo "EXE_PATH=$($exe.FullName)" >> $env:GITHUB_OUTPUT
            echo "EXE_NAME=$($exe.Name)"     >> $env:GITHUB_OUTPUT
            echo "HAS_INSTALLER=true"        >> $env:GITHUB_OUTPUT
          } else {
            echo "HAS_INSTALLER=false"       >> $env:GITHUB_OUTPUT
          }

      # ── Extract release notes from CHANGELOG ──
      - name: Extract release notes
        id: notes
        shell: pwsh
        run: |
          $ver = "${{ steps.version.outputs.VER }}"
          $content = Get-Content CHANGELOG.md -Raw
          # Match the section for this version (between ## <ver> and next ## or EOF)
          $pattern = '(?ms)^## ' + [regex]::Escape($ver) + '\s*$(.*?)(?=^## |\z)'
          if ($content -match $pattern) {
            $body = $Matches[1].Trim()
          } else {
            # Fallback: auto-generate notes from git commits since last tag
            $prevTag = git describe --tags --abbrev=0 HEAD~ 2>$null
            if ($prevTag) {
              $commits = git log "$prevTag..HEAD" --pretty=format:'- %s' --no-merges 2>$null
            } else {
              $commits = git log -20 --pretty=format:'- %s' --no-merges 2>$null
            }
            $body = "## What's Changed`n`n$($commits -join "`n")"
          }
          # Write to file to avoid shell escaping issues
          $body | Out-File -FilePath release_notes.md -Encoding utf8
          Write-Host $body

      # ── Create GitHub Release ──
      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.version.outputs.TAG }}
          name: "v${{ steps.version.outputs.VER }}"
          body_path: release_notes.md
          draft: false
          prerelease: false
          files: |
            ${{ steps.zip.outputs.ZIP_PATH }}
            ${{ steps.installer.outputs.HAS_INSTALLER == 'true' && steps.installer.outputs.EXE_PATH || '' }}