name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version: "1.25"
          cache: false

      - name: JSON syntax check
        run: |
          for f in profiles/*.json; do
            echo "checking $f"
            python3 -m json.tool "$f" > /dev/null
          done

      - name: Schema validation via pda-fieldbus loader
        working-directory: ${{ runner.temp }}
        run: |
          mkdir -p validator && cd validator
          go mod init validator
          go get github.com/pdat-cz/pda-fieldbus@latest
          cat > main.go <<'EOF'
          package main

          import (
              "fmt"
              "os"

              "github.com/pdat-cz/pda-fieldbus/pkg/proto/profile"
          )

          func main() {
              if len(os.Args) != 2 {
                  fmt.Fprintln(os.Stderr, "usage: validator <profiles-dir>")
                  os.Exit(2)
              }
              m, err := profile.LoadDirs(os.Args[1])
              if err != nil {
                  fmt.Fprintln(os.Stderr, "FAIL:", err)
                  os.Exit(1)
              }
              for n, p := range m {
                  fmt.Printf("OK %s  device=%s/%s  points=%d  derived=%d\n",
                      n, p.Device.Manufacturer, p.Device.Model,
                      len(p.Points), len(p.Derived))
              }
          }
          EOF
          go run . "$GITHUB_WORKSPACE/profiles"