package domain

import (
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestUser_Structure(t *testing.T) {
	user := User{
		Uuid:        "123e4567-e89b-12d3-a456-426614174000",
		PhoneNumber: "+1234567890",
	}

	assert.Equal(t, "123e4567-e89b-12d3-a456-426614174000", user.Uuid)
	assert.Equal(t, "+1234567890", user.PhoneNumber)
}

func TestErrUserNotFound_Error(t *testing.T) {
	tests := []struct {
		name        string
		phoneNumber string
		want        string
	}{
		{
			name:        "returns formatted error message",
			phoneNumber: "+1234567890",
			want:        "User not found with phone number: +1234567890",
		},
		{
			name:        "handles empty phone number",
			phoneNumber: "",
			want:        "User not found with phone number: ",
		},
		{
			name:        "handles international phone number",
			phoneNumber: "+44123456789",
			want:        "User not found with phone number: +44123456789",
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			err := ErrUserNotFound{PhoneNumber: tt.phoneNumber}
			assert.Equal(t, tt.want, err.Error())
		})
	}
}

func TestErrUserNotFound_IsError(t *testing.T) {
	err := ErrUserNotFound{PhoneNumber: "+1234567890"}
	assert.Implements(t, (*error)(nil), err)
}