package auth

import (
	"context"
	"strconv"
	"testing"
	"time"

	"github.com/google/uuid"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"

	domainAuth "base/internal/domain/auth"
)

func TestRoleRepository_Create(t *testing.T) {
	db := setupTestDB(t)
	repo := createTestRoleRepository(db)
	ctx := context.Background()

	t.Run("create role successfully", func(t *testing.T) {
		role := &domainAuth.Role{
			ID:          uuid.New(),
			Name:        "admin",
			Description: "Administrator role",
			CreatedAt:   time.Now(),
			UpdatedAt:   time.Now(),
		}

		err := repo.Create(ctx, role)
		assert.NoError(t, err)
		assert.NotEqual(t, uuid.Nil, role.ID)

		// Verify role was created
		found, err := repo.FindByID(ctx, role.ID)
		assert.NoError(t, err)
		assert.Equal(t, role.Name, found.Name)
		assert.Equal(t, role.Description, found.Description)
	})

	t.Run("create role with duplicate name fails", func(t *testing.T) {
		name := "duplicate"
		role1 := &domainAuth.Role{
			ID:        uuid.New(),
			Name:      name,
			CreatedAt: time.Now(),
			UpdatedAt: time.Now(),
		}

		err := repo.Create(ctx, role1)
		assert.NoError(t, err)

		role2 := &domainAuth.Role{
			ID:        uuid.New(),
			Name:      name,
			CreatedAt: time.Now(),
			UpdatedAt: time.Now(),
		}

		err = repo.Create(ctx, role2)
		assert.Error(t, err)
	})
}

func TestRoleRepository_FindByID(t *testing.T) {
	db := setupTestDB(t)
	repo := createTestRoleRepository(db)
	ctx := context.Background()

	t.Run("find existing role by id", func(t *testing.T) {
		role := &domainAuth.Role{
			ID:        uuid.New(),
			Name:      "find",
			CreatedAt: time.Now(),
			UpdatedAt: time.Now(),
		}

		err := repo.Create(ctx, role)
		require.NoError(t, err)

		found, err := repo.FindByID(ctx, role.ID)
		assert.NoError(t, err)
		assert.Equal(t, role.ID, found.ID)
		assert.Equal(t, role.Name, found.Name)
	})

	t.Run("find non-existent role", func(t *testing.T) {
		nonExistentID := uuid.New()
		found, err := repo.FindByID(ctx, nonExistentID)
		assert.Error(t, err)
		assert.Nil(t, found)
	})
}

func TestRoleRepository_FindByName(t *testing.T) {
	db := setupTestDB(t)
	repo := createTestRoleRepository(db)
	ctx := context.Background()

	t.Run("find existing role by name", func(t *testing.T) {
		name := "findbyname"
		role := &domainAuth.Role{
			ID:        uuid.New(),
			Name:      name,
			CreatedAt: time.Now(),
			UpdatedAt: time.Now(),
		}

		err := repo.Create(ctx, role)
		require.NoError(t, err)

		found, err := repo.FindByName(ctx, name)
		assert.NoError(t, err)
		assert.Equal(t, role.ID, found.ID)
		assert.Equal(t, name, found.Name)
	})

	t.Run("find non-existent role by name", func(t *testing.T) {
		found, err := repo.FindByName(ctx, "nonexistent")
		assert.Error(t, err)
		assert.Nil(t, found)
	})
}

func TestRoleRepository_Update(t *testing.T) {
	db := setupTestDB(t)
	repo := createTestRoleRepository(db)
	ctx := context.Background()

	t.Run("update role successfully", func(t *testing.T) {
		role := &domainAuth.Role{
			ID:          uuid.New(),
			Name:        "update",
			Description: "Original description",
			CreatedAt:   time.Now(),
			UpdatedAt:   time.Now(),
		}

		err := repo.Create(ctx, role)
		require.NoError(t, err)

		// Update role
		role.Description = "Updated description"

		err = repo.Update(ctx, role)
		assert.NoError(t, err)

		// Verify update
		found, err := repo.FindByID(ctx, role.ID)
		assert.NoError(t, err)
		assert.Equal(t, "Updated description", found.Description)
	})
}

func TestRoleRepository_Delete(t *testing.T) {
	db := setupTestDB(t)
	repo := createTestRoleRepository(db)
	ctx := context.Background()

	t.Run("delete role successfully", func(t *testing.T) {
		role := &domainAuth.Role{
			ID:        uuid.New(),
			Name:      "delete",
			CreatedAt: time.Now(),
			UpdatedAt: time.Now(),
		}

		err := repo.Create(ctx, role)
		require.NoError(t, err)

		err = repo.Delete(ctx, role.ID)
		assert.NoError(t, err)

		// Verify deletion (soft delete)
		found, err := repo.FindByID(ctx, role.ID)
		assert.Error(t, err)
		assert.Nil(t, found)
	})
}

func TestRoleRepository_List(t *testing.T) {
	db := setupTestDB(t)
	repo := createTestRoleRepository(db)
	ctx := context.Background()

	// Create multiple roles
	for i := 0; i < 5; i++ {
		role := &domainAuth.Role{
			ID:        uuid.New(),
			Name:      "role" + strconv.Itoa(i),
			CreatedAt: time.Now(),
			UpdatedAt: time.Now(),
		}
		err := repo.Create(ctx, role)
		require.NoError(t, err)
	}

	t.Run("list roles with limit and offset", func(t *testing.T) {
		roles, err := repo.List(ctx, 3, 0)
		assert.NoError(t, err)
		assert.Len(t, roles, 3)

		roles, err = repo.List(ctx, 3, 3)
		assert.NoError(t, err)
		assert.Len(t, roles, 2) // Remaining 2 roles
	})
}

func TestRoleRepository_Count(t *testing.T) {
	db := setupTestDB(t)
	repo := createTestRoleRepository(db)
	ctx := context.Background()

	t.Run("count roles", func(t *testing.T) {
		initialCount, err := repo.Count(ctx)
		assert.NoError(t, err)
		assert.Equal(t, int64(0), initialCount)

		// Create roles
		for i := 0; i < 3; i++ {
			role := &domainAuth.Role{
				ID:        uuid.New(),
				Name:      "count" + strconv.Itoa(i),
				CreatedAt: time.Now(),
				UpdatedAt: time.Now(),
			}
			err := repo.Create(ctx, role)
			require.NoError(t, err)
		}

		count, err := repo.Count(ctx)
		assert.NoError(t, err)
		assert.Equal(t, int64(3), count)
	})
}