//go:build ignore

// ABOUTME: Extracts OpenAPI spec from Fuego server without running it.
// ABOUTME: Run with: go run scripts/extract-openapi/main.go
package main

import (
	"encoding/json"
	"fmt"
	"io"
	"log/slog"
	"os"

	"github.com/getkin/kin-openapi/openapi3"
	"github.com/go-fuego/fuego"

	"edp.buildth.ing/DevFW-CICD/forgejo-runner-sizer/internal/receiver"
)

func main() {
	// Create a minimal handler (store is nil, won't be used)
	logger := slog.New(slog.NewTextHandler(io.Discard, nil))
	handler := receiver.NewHandler(nil, logger, "dummy", "dummy", 0)

	// Create Fuego server with OpenAPI config
	s := fuego.NewServer(
		fuego.WithoutStartupMessages(),
		fuego.WithEngineOptions(
			fuego.WithOpenAPIConfig(fuego.OpenAPIConfig{
				DisableLocalSave: true,
				Info: &openapi3.Info{
					Title:       "Forgejo Runner Resource Collector API",
					Version:     "1.0.0",
					Description: "HTTP service that receives and stores CI/CD resource metrics from collectors, providing query and sizing recommendation APIs.",
					Contact: &openapi3.Contact{
						Name: "API Support",
						URL:  "https://edp.buildth.ing/DevFW-CICD/forgejo-runner-sizer",
					},
					License: &openapi3.License{
						Name: "Apache 2.0",
						URL:  "http://www.apache.org/licenses/LICENSE-2.0.html",
					},
				},
			}),
		),
	)

	// Register routes to populate OpenAPI spec
	handler.RegisterRoutes(s)

	// Output OpenAPI spec as JSON
	spec, err := json.MarshalIndent(s.OpenAPI.Description(), "", "  ")
	if err != nil {
		fmt.Fprintf(os.Stderr, "Error marshaling OpenAPI spec: %v\n", err)
		os.Exit(1)
	}

	if err := os.WriteFile("docs/openapi.json", spec, 0644); err != nil {
		fmt.Fprintf(os.Stderr, "Error writing docs/openapi.json: %v\n", err)
		os.Exit(1)
	}

	fmt.Println("Generated docs/openapi.json")
}