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 using Namespace exports
        # This converts 'rail_backend/v1/pis_mapping.ts' 
        # into 'export * as PisMapping from "./rail_backend/v1/pis_mapping";'
        # We use awk to handle the naming conversion (snake_case to PascalCase-ish)
        find . -name "*.ts" -not -name "index.ts" | sed 's|^\./||; s|\.ts$||' | awk -F'/' '{ 
          name=$NF; 
          gsub(/_/, "", name); 
          printf "export * as %s from \"./%s\";\n", toupper(substr(name,1,1)) substr(name,2), $0 
        }' > index.ts

        # 2. Update package.json
        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
        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: |
        # 1. Setup variables
        VERSION="${{ steps.get_version.outputs.VERSION }}"
        MOD_NAME="git.fjla.uk/owlboard/backend-data-contracts"
        # Create a temporary directory structure that matches Go proxy requirements
        DEST_DIR="temp_zip/$MOD_NAME@$VERSION"
        
        # 2. Generate go.mod and tidy
        cd gen/go
        go mod init $MOD_NAME
        go mod tidy
        
        # 3. Move files into the required nested structure
        mkdir -p "../../$DEST_DIR"
        cp -r . "../../$DEST_DIR/"
        
        # 4. Zip from the temp root so the internal paths are correct
        cd ../../temp_zip
        zip -r ../module.zip .
        
        # 5. Upload with the explicit version
        cd ..
        curl -f -v --user "owlbot:${{ secrets.PACKAGE_PUSH }}" \
          --upload-file module.zip \
          "${{ github.server_url }}/api/packages/owlboard/go/upload?version=$VERSION"