package gifts

import (
	"context"
	"os"
	"path/filepath"
	"runtime"
	"sort"
	"strings"
	"testing"

	appdb "github.com/example/sndit/backend/internal/db"
)

func TestRepositoryReadsSQLiteMigrations(t *testing.T) {
	ctx := context.Background()
	database, err := appdb.New(ctx, "sqlite", ":memory:")
	if err != nil {
		t.Fatalf("open sqlite database: %v", err)
	}
	defer database.Close()

	_, sourceFile, _, ok := runtime.Caller(0)
	if !ok {
		t.Fatal("find test source file")
	}
	migrationDirectory := filepath.Join(filepath.Dir(sourceFile), "..", "..", "..", "migrations", "sqlite")
	entries, err := os.ReadDir(migrationDirectory)
	if err != nil {
		t.Fatalf("read sqlite migrations: %v", err)
	}
	sort.Slice(entries, func(i, j int) bool { return entries[i].Name() < entries[j].Name() })

	for _, entry := range entries {
		if entry.IsDir() || !strings.HasSuffix(entry.Name(), ".sql") {
			continue
		}
		migration, err := os.ReadFile(filepath.Join(migrationDirectory, entry.Name()))
		if err != nil {
			t.Fatalf("read migration %s: %v", entry.Name(), err)
		}
		if _, err := database.ExecContext(ctx, string(migration)); err != nil {
			t.Fatalf("apply migration %s: %v", entry.Name(), err)
		}
	}

	gift, err := NewRepository(database).GetPublicBySlug(ctx, "demo")
	if err != nil {
		t.Fatalf("load demo gift: %v", err)
	}
	if gift.RecipientName != "Anna" || gift.SenderName != "Alex" {
		t.Fatalf("unexpected gift: %+v", gift)
	}
	if len(gift.Items) != 3 || gift.Items[0].Type != "image" || gift.Items[1].SortOrder != 2 {
		t.Fatalf("unexpected gift items: %+v", gift.Items)
	}
}