name: Generate OpenAPI Documentation

on:
  push:
    branches: [ 'develop', '!release/**' ]
    paths:
      - '**/*.cs'
      - '**/*.csproj'
  pull_request:
    branches: [ 'develop', '!release/**' ]
  workflow_dispatch:

jobs:
  generate-openapi:
    runs-on: ubuntu-latest
    # Only run on direct pushes to develop, not PRs
    if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && github.repository_owner == 'Kareadita'

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: 9.0.x

      - name: Install dependencies
        run: dotnet restore

      - name: Build project
        run: dotnet build API/API.csproj --configuration Debug

      - name: Get Swashbuckle version
        id: swashbuckle-version
        run: |
          VERSION=$(grep -o '<PackageReference Include="Swashbuckle.AspNetCore" Version="[^"]*"' API/API.csproj | grep -o 'Version="[^"]*"' | cut -d'"' -f2)
          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
          echo "Found Swashbuckle.AspNetCore version: $VERSION"

      - name: Install matching Swashbuckle CLI tool
        run: |
          dotnet new tool-manifest --force
          dotnet tool install Swashbuckle.AspNetCore.Cli --version ${{ steps.swashbuckle-version.outputs.VERSION }}

      - name: Generate OpenAPI file
        run: dotnet swagger tofile --output openapi.json API/bin/Debug/net9.0/API.dll v1

      - name: Check for changes
        id: git-check
        run: |
          git add openapi.json
          git diff --staged --quiet openapi.json || echo "has_changes=true" >> $GITHUB_OUTPUT

      - name: Commit and push if changed
        if: steps.git-check.outputs.has_changes == 'true'
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"

          git commit -m "Update OpenAPI documentation" openapi.json

          # Pull latest changes with rebase to avoid merge commits
          git pull --rebase origin develop

          git push
        env:
          GITHUB_TOKEN: ${{ secrets.REPO_GHA_PAT }}