name: Generate and Release Protos
on:
  push:
    tags:
      - 'v*'

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v6
      with:
        fetch-depth: 0
        persist-credentials: false

    - name: Get Version
      id: get_version
      run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
    
    - uses: bufbuild/buf-action@v1.3
      with:
        setup_only: true
        version: '1.63.0'
    
    - uses: actions/setup-go@v5
      with:
        go-version: '1.23'

    - uses: actions/setup-node@v6
      with:
        node-version: '18.18.x'
        registry-url: 'https://git.fjla.uk/api/packages/owlboard/npm'
        scope: '@owlboard'

    - name: Install Go Protoc Plugin
      run: |
        go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
        echo "$(go env GOPATH)/bin" >> $GITHUB_PATH

    - name: Install TS-Proto Plugin
      run: |
        npm install ts-proto typescript
        echo "$PATH:$(pwd)/ts-proto" >> $GITHUB_PATH

    - name: Generate Code
      run: buf generate

    - name: Build and Publish TS
      working-directory: gen/ts
      run: |
        npm init -y
        
        # 1. Create a dynamic index.ts that exports everything from the subfolders
        # This makes 'import { PisMapping } from "@owlboard/backend-data-contracts"' work.
        find . -name "*.ts" | sed 's|^\./||; s|\.ts$||' | xargs -I {} echo "export * from './{}';" > index.ts

        # 2. Update package.json
        # We point main/types to the root dist/index file we are about to create
        jq '.name = "@owlboard/backend-data-contracts" | 
            .version = "${{ steps.get_version.outputs.VERSION }}" |
            .type = "module" |
            .main = "./dist/index.js" |
            .types = "./dist/index.d.ts" |
            .publishConfig = { "registry": "https://git.fjla.uk/api/packages/owlboard/npm" }' \
            package.json > temp.json && mv temp.json package.json
        
        # 3. Compile using the created index.ts as the entry point
        # tsc will automatically follow the imports in index.ts and find the nested files
        npx tsc index.ts --declaration --module esnext --target es2022 --moduleResolution node --outDir dist/
        
        npm publish
      env:
        NODE_AUTH_TOKEN: ${{ secrets.PACKAGE_PUSH }}

    - name: Publish Go
      run: |
        cd gen/go
        go mod init git.fjla.uk/owlboard/backend-data-contracts
        go mod tidy
        zip -r ../../rail-backend-${{ steps.get_version.outputs.VERSION }}.zip .
        curl --user "owlbot:${{ secrets.PACKAGE_PUSH }}" \
          --upload-file ../../rail-backend-${{ steps.get_version.outputs.VERSION }}.zip \
          https://${{ github.server_url }}/api/packages/owlboard/go/upload