import (
	"net/url"
	"testing"

	"github.com/caarlos0/env/v11"
	"github.com/stretchr/testify/assert"
)

func TestParseEnv(t *testing.T) {
	type TestConfig struct {
		FooBar *url.URL `env:"FOOBAR"`
	}
	cases := []struct {
		desc        string
		environment map[string]string
		expected    *url.URL
	}{
		{
			desc:        "unset",
			environment: map[string]string{},
			expected:    nil,
		},
		{
			desc:        "empty",
			environment: map[string]string{"FOOBAR": ""},
			expected:    &url.URL{},
		},
		{
			desc:        "set",
			environment: map[string]string{"FOOBAR": "https://example.com/"},
			expected:    &url.URL{Scheme: "https", Host: "example.com", Path: "/"},
		},
	}
	for _, tc := range cases {
		t.Run(tc.desc, func(t *testing.T) {
			cfg := TestConfig{}
			err := env.ParseWithOptions(&cfg, env.Options{Environment: tc.environment})
			assert.NoError(t, err)
			assert.Equal(t, tc.expected, cfg.FooBar)
		})
	}
}