package repository

import (
	"fmt"
	"testing"
	"time"

	"git.mchus.pro/mchus/quoteforge/internal/models"
	"github.com/glebarez/sqlite"
	"gorm.io/gorm"
)

func TestGenerateVersion_FirstOfDay(t *testing.T) {
	repo := newTestPricelistRepository(t)

	version, err := repo.GenerateVersion()
	if err != nil {
		t.Fatalf("GenerateVersion returned error: %v", err)
	}

	today := time.Now().Format("2006-01-02")
	want := fmt.Sprintf("%s-001", today)
	if version != want {
		t.Fatalf("expected %s, got %s", want, version)
	}
}

func TestGenerateVersion_UsesMaxSuffixNotCount(t *testing.T) {
	repo := newTestPricelistRepository(t)
	today := time.Now().Format("2006-01-02")

	seed := []models.Pricelist{
		{Version: fmt.Sprintf("%s-001", today), CreatedBy: "test", IsActive: true},
		{Version: fmt.Sprintf("%s-003", today), CreatedBy: "test", IsActive: true},
	}
	for _, pl := range seed {
		if err := repo.Create(&pl); err != nil {
			t.Fatalf("seed insert failed: %v", err)
		}
	}

	version, err := repo.GenerateVersion()
	if err != nil {
		t.Fatalf("GenerateVersion returned error: %v", err)
	}

	want := fmt.Sprintf("%s-004", today)
	if version != want {
		t.Fatalf("expected %s, got %s", want, version)
	}
}

func newTestPricelistRepository(t *testing.T) *PricelistRepository {
	t.Helper()

	db, err := gorm.Open(sqlite.Open("file::memory:?cache=shared"), &gorm.Config{})
	if err != nil {
		t.Fatalf("open sqlite: %v", err)
	}
	if err := db.AutoMigrate(&models.Pricelist{}); err != nil {
		t.Fatalf("migrate: %v", err)
	}
	return NewPricelistRepository(db)
}