type Address struct {
	Line1, Line2 string
}

type Employer struct {
	Name  string
	Title string
}

type Employers []*Employer

func (es Employers) ReflectINIStruct(f *File) error {
	for _, e := range es {
		f.Section(e.Name).Key("Title").SetValue(e.Title)
	}
	return nil
}

// Inspired by https://github.com/go-ini/ini/issues/199
func Test_StructReflector(t *testing.T) {
	t.Run("reflect with StructReflector interface", func(t *testing.T) {
		p := &struct {
			FirstName string
			Employer  Employers
			Address   Address
		}{
			FirstName: "Andrew",
			Employer: []*Employer{
				{
					Name:  `Employer "VMware"`,
					Title: "Staff II Engineer",
				},
				{
					Name:  `Employer "EMC"`,
					Title: "Consultant Engineer",
				},
			},
			Address: Address{
				Line1: "123 Ini Drive",
				Line2: "Section 1",
			},
		}

		f := Empty()
		assert.NoError(t, f.ReflectFrom(p))

		var buf bytes.Buffer
		_, err := f.WriteTo(&buf)
		require.NoError(t, err)

		assert.Equal(t, `FirstName = Andrew

[Employer "VMware"]
Title = Staff II Engineer

[Employer "EMC"]
Title = Consultant Engineer

[Address]
Line1 = 123 Ini Drive
Line2 = Section 1
`,
			buf.String(),
		)
	})
}