package daecommon

import (
	"isle/yamlutil"
	"testing"

	"github.com/stretchr/testify/assert"
	"gopkg.in/yaml.v3"
)

func TestConfig_UnmarshalYAML(t *testing.T) { // TODO test validation
	tests := []struct {
		label  string
		str    string
		config Config
	}{
		{"empty", ``, Config{}},
		{
			"DEPRECATED single global network",
			`
				{"dns":{"resolvers":["a"]}}
			`,
			Config{
				Networks: map[string]NetworkConfig{
					DeprecatedNetworkID: NewNetworkConfig(func(c *NetworkConfig) {
						c.DNS.Resolvers = []string{"a"}
					}),
				},
			},
		},
		{
			"single network",
			`
				networks:
					foo: {"dns":{"resolvers":["a"]}}
			`,
			Config{
				Networks: map[string]NetworkConfig{
					"foo": NewNetworkConfig(func(c *NetworkConfig) {
						c.DNS.Resolvers = []string{"a"}
					}),
				},
			},
		},
		{
			"multiple networks",
			`
				networks:
					foo: {"dns":{"resolvers":["a"]}}
					bar: {}
			`,
			Config{
				Networks: map[string]NetworkConfig{
					"foo": NewNetworkConfig(func(c *NetworkConfig) {
						c.DNS.Resolvers = []string{"a"}
					}),
					"bar": NewNetworkConfig(nil),
				},
			},
		},
	}

	for _, test := range tests {
		t.Run(test.label, func(t *testing.T) {
			test.str = yamlutil.ReplacePrefixTabs(test.str)
			var config Config
			err := yaml.Unmarshal([]byte(test.str), &config)
			assert.NoError(t, err)
			assert.Equal(t, test.config, config)
		})
	}
}