package user

import (
	stderrors "errors"
	"testing"

	modelUser "github.com/perfect-panel/server/internal/model/user"
	"github.com/perfect-panel/server/pkg/xerr"
	pkgerrors "github.com/pkg/errors"
	"github.com/stretchr/testify/require"
)

func extractFamilyJoinCode(err error) uint32 {
	if err == nil {
		return 0
	}

	var codeErr *xerr.CodeError
	if stderrors.As(pkgerrors.Cause(err), &codeErr) {
		return codeErr.GetErrCode()
	}
	return 0
}

func TestValidateMemberJoinConflict(t *testing.T) {
	ownerFamilyID := int64(11)

	testCases := []struct {
		name         string
		ownerFamily  int64
		memberRecord *modelUser.UserFamilyMember
		wantCode     uint32
	}{
		{
			name:        "no member record",
			ownerFamily: ownerFamilyID,
			wantCode:    0,
		},
		{
			name:        "same family active member",
			ownerFamily: ownerFamilyID,
			memberRecord: &modelUser.UserFamilyMember{
				FamilyId: ownerFamilyID,
				Status:   modelUser.FamilyMemberActive,
			},
			wantCode: xerr.FamilyAlreadyBound,
		},
		{
			name:        "same family left member",
			ownerFamily: ownerFamilyID,
			memberRecord: &modelUser.UserFamilyMember{
				FamilyId: ownerFamilyID,
				Status:   modelUser.FamilyMemberLeft,
			},
			wantCode: 0,
		},
		{
			name:        "same family removed member",
			ownerFamily: ownerFamilyID,
			memberRecord: &modelUser.UserFamilyMember{
				FamilyId: ownerFamilyID,
				Status:   modelUser.FamilyMemberRemoved,
			},
			wantCode: 0,
		},
		{
			name:        "cross family active member",
			ownerFamily: ownerFamilyID,
			memberRecord: &modelUser.UserFamilyMember{
				FamilyId: ownerFamilyID + 1,
				Status:   modelUser.FamilyMemberActive,
			},
			wantCode: xerr.FamilyCrossBindForbidden,
		},
		{
			name:        "cross family left member",
			ownerFamily: ownerFamilyID,
			memberRecord: &modelUser.UserFamilyMember{
				FamilyId: ownerFamilyID + 1,
				Status:   modelUser.FamilyMemberLeft,
			},
			wantCode: 0,
		},
		{
			name:        "cross family removed member",
			ownerFamily: ownerFamilyID,
			memberRecord: &modelUser.UserFamilyMember{
				FamilyId: ownerFamilyID + 1,
				Status:   modelUser.FamilyMemberRemoved,
			},
			wantCode: 0,
		},
	}

	for _, testCase := range testCases {
		t.Run(testCase.name, func(t *testing.T) {
			err := validateMemberJoinConflict(testCase.ownerFamily, testCase.memberRecord)
			if testCase.wantCode == 0 {
				require.NoError(t, err)
				return
			}

			require.Error(t, err)
			require.Equal(t, testCase.wantCode, extractFamilyJoinCode(err))
		})
	}
}