package test

import (
	"RenewCMS/internal/infrastructure/persistence/database"
	"RenewCMS/internal/infrastructure/persistence/models"
	"path/filepath"
	"testing"
	"time"

	"github.com/glebarez/sqlite"
	"gorm.io/gorm"
	"gorm.io/gorm/logger"
)

func TestProductionSQLiteDSNWaitsForTheWriteLock(t *testing.T) {
	t.Run("A second writer waits for the first instead of failing with a locked database", func(t *testing.T) {
		path := filepath.Join(t.TempDir(), "busy.db")
		open := func() *gorm.DB {
			db, err := gorm.Open(sqlite.Open(database.SQLiteDSN(path)), &gorm.Config{Logger: logger.Discard})
			if err != nil {
				t.Fatalf("open: %v", err)
			}
			t.Cleanup(func() {
				if sqlDB, err := db.DB(); err == nil {
					_ = sqlDB.Close()
				}
			})
			return db
		}
		first, second := open(), open()
		if err := first.AutoMigrate(&models.User{}); err != nil {
			t.Fatalf("migrate: %v", err)
		}
		tx := first.Begin()
		if err := tx.Create(&models.User{Username: "a", Password: "x", Email: "a@x.example"}).Error; err != nil {
			t.Fatalf("first write: %v", err)
		}
		go func() {
			time.Sleep(300 * time.Millisecond)
			tx.Commit()
		}()

		err := second.Create(&models.User{Username: "b", Password: "x", Email: "b@x.example"}).Error

		if err != nil {
			t.Errorf("second writer must wait for the lock, got %v", err)
		}
	})
}