package configmap

import (
	"testing"

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

var (
	_ Mapper = (Simple)(nil)
	_ Getter = (Simple)(nil)
	_ Setter = (Simple)(nil)
)

func TestConfigMapGet(t *testing.T) {
	m := New()

	value, found := m.Get("config1")
	assert.Equal(t, "", value)
	assert.Equal(t, false, found)

	value, found = m.Get("config2")
	assert.Equal(t, "", value)
	assert.Equal(t, false, found)

	m1 := Simple{
		"config1": "one",
	}

	m.AddGetter(m1)

	value, found = m.Get("config1")
	assert.Equal(t, "one", value)
	assert.Equal(t, true, found)

	value, found = m.Get("config2")
	assert.Equal(t, "", value)
	assert.Equal(t, false, found)

	m2 := Simple{
		"config1": "one2",
		"config2": "two2",
	}

	m.AddGetter(m2)

	value, found = m.Get("config1")
	assert.Equal(t, "one", value)
	assert.Equal(t, true, found)

	value, found = m.Get("config2")
	assert.Equal(t, "two2", value)
	assert.Equal(t, true, found)

}

func TestConfigMapSet(t *testing.T) {
	m := New()

	m1 := Simple{
		"config1": "one",
	}
	m2 := Simple{
		"config1": "one2",
		"config2": "two2",
	}

	m.AddSetter(m1).AddSetter(m2)

	m.Set("config2", "potato")

	assert.Equal(t, Simple{
		"config1": "one",
		"config2": "potato",
	}, m1)
	assert.Equal(t, Simple{
		"config1": "one2",
		"config2": "potato",
	}, m2)

	m.Set("config1", "beetroot")

	assert.Equal(t, Simple{
		"config1": "beetroot",
		"config2": "potato",
	}, m1)
	assert.Equal(t, Simple{
		"config1": "beetroot",
		"config2": "potato",
	}, m2)
}