package contracts_test

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

	"git.ipao.vip/rogee/go-sip/contracts"
)

func TestOneCurrentHumanContractAndArchivedSources(t *testing.T) {
	entries, err := os.ReadDir(filepath.Join("..", "docs", "thirds"))
	if err != nil {
		t.Fatal(err)
	}
	if len(entries) != 1 || entries[0].Name() != "saas-dispatcher.md" {
		t.Fatalf("expected one current human-readable contract, got %v", entries)
	}
	for _, path := range []string{filepath.Join("..", "docs", "contracts"), filepath.Join("..", "docs", "plan-saas-dispatcher.md")} {
		if _, err := os.Stat(path); !errors.Is(err, os.ErrNotExist) {
			t.Fatalf("redundant current document %s remains or cannot be checked: %v", path, err)
		}
	}
	for _, name := range []string{"v0.4.md", "第三方对接事件与请求消费顺序_v0.1.md", "v0.5-proposal.md", "plan-saas-dispatcher-v05-v0.1.md"} {
		if _, err := os.Stat(filepath.Join("..", "docs", "archive", "sources", name)); err != nil {
			t.Fatalf("historical source %s missing from archive: %v", name, err)
		}
	}
	if _, err := contracts.Files.ReadFile("upstream/v1/mq.schema.json"); err == nil {
		t.Fatal("retired upstream v1 contract still embedded with current runtime contracts")
	}
}

func TestCurrentContractDirectoryExcludesHistoricalGenerations(t *testing.T) {
	entries, err := os.ReadDir("local")
	if err != nil {
		t.Fatal(err)
	}
	for _, entry := range entries {
		if entry.IsDir() && strings.HasPrefix(entry.Name(), "v0.") {
			t.Errorf("historical contract directory %q remains in the current contract root", entry.Name())
		}
	}
}