package configexamples

import (
	"os"
	"path/filepath"
	"strings"
	"testing"

	projectconfig "github.com/proxy-pool/proxy-pool/internal/config"
)

func TestAllExamplesLoadStrictly(t *testing.T) {
	entries, err := filepath.Glob("*.yaml")
	if err != nil {
		t.Fatalf("glob examples: %v", err)
	}
	if len(entries) < 20 {
		t.Fatalf("configuration examples = %d, want at least 20", len(entries))
	}
	for _, path := range entries {
		path := path
		t.Run(strings.TrimSuffix(filepath.Base(path), filepath.Ext(path)), func(t *testing.T) {
			file, err := os.Open(path)
			if err != nil {
				t.Fatalf("open %s: %v", path, err)
			}
			defer file.Close()
			cfg, err := projectconfig.Load(file)
			if err != nil {
				t.Fatalf("load %s: %v", path, err)
			}
			assertExplicitProviderAuth(t, cfg)
		})
	}
}

func TestMainConfigurationLoadsStrictly(t *testing.T) {
	path := filepath.Join("..", "..", "configs", "proxy-pool.yaml")
	file, err := os.Open(path)
	if err != nil {
		t.Fatalf("open %s: %v", path, err)
	}
	defer file.Close()
	cfg, err := projectconfig.Load(file)
	if err != nil {
		t.Fatalf("load %s: %v", path, err)
	}
	assertExplicitProviderAuth(t, cfg)
}

func assertExplicitProviderAuth(t *testing.T, cfg *projectconfig.Config) {
	t.Helper()
	for name, upstream := range cfg.Upstreams {
		if !upstream.Enabled {
			continue
		}
		if upstream.API.Auth.Type == "" {
			t.Errorf("upstream %s must explicitly set api.auth.type", name)
		}
		if upstream.ProxyAuth.Type == "" {
			t.Errorf("upstream %s must explicitly set proxyAuth.type", name)
		}
	}
}