package conf

import (
	"net/url"
	"reflect"
	"slices"
	"testing"
)

func TestValueMethods(t *testing.T) {
	tc := []struct {
		name string
		f    func(t *testing.T)
	}{
		{
			name: "string",
			f: func(t *testing.T) {
				s := Value("test").String()
				if s != "test" {
					t.Fatalf("want: %s, have: %s", "test", s)
				}
			},
		},
		{
			name: "int",
			f: func(t *testing.T) {
				x, err := Value("10").Int()
				if err != nil {
					t.Fatal(err)
				}

				if x != 10 {
					t.Fatalf("want: %v, have: %v", 10, x)
				}
			},
		},
		{
			name: "int",
			f: func(t *testing.T) {
				x, err := Value("010").Int()
				if err != nil {
					t.Fatal(err)
				}

				if x != 10 {
					t.Fatalf("want: %v, have: %v", 10, x)
				}
			},
		},
		{
			name: "negative int",
			f: func(t *testing.T) {
				x, err := Value("-10").Int()
				if err != nil {
					t.Fatal(err)
				}

				if x != -10 {
					t.Fatalf("want: %v, have: %v", -10, x)
				}
			},
		},
		{
			name: "bad int",
			f: func(t *testing.T) {
				x, err := Value("1a").Int()
				if err == nil {
					t.Fatal("int does not fail on incorrect input")
				}

				if x != 0 {
					t.Fatalf("want: %v, have: %v", 0, x)
				}
			},
		},
		{
			name: "bad int",
			f: func(t *testing.T) {
				x, err := Value("NaN").Int()
				if err == nil {
					t.Fatal("int does not fail on incorrect input")
				}

				if x != 0 {
					t.Fatalf("want: %v, have: %v", 0, x)
				}
			},
		},
		{
			name: "float64",
			f: func(t *testing.T) {
				x, err := Value("0.05").Float64()
				if err != nil {
					t.Fatal(err)
				}

				if x != 0.05 {
					t.Fatalf("want: %v, have: %v", 0.05, x)
				}
			},
		},
		{
			name: "negative float64",
			f: func(t *testing.T) {
				x, err := Value("-0.05").Float64()
				if err != nil {
					t.Fatal(err)
				}

				if x != -0.05 {
					t.Fatalf("want: %v, have: %v", -0.05, x)
				}
			},
		},
		{
			name: "bad float64",
			f: func(t *testing.T) {
				x, err := Value("0,05").Float64()
				if err == nil {
					t.Fatal("float does not fail on incorrect input")
				}

				if x != 0 {
					t.Fatalf("want: %v, have: %v", 0, x)
				}
			},
		},
		{
			name: "bad float64",
			f: func(t *testing.T) {
				x, err := Value("0,05").Float64()
				if err == nil {
					t.Fatal("float does not fail on incorrect input")
				}

				if x != 0 {
					t.Fatalf("want: %v, have: %v", 0, x)
				}
			},
		},
		{
			name: "bool",
			f: func(t *testing.T) {
				x, err := Value("t").Bool()
				if err != nil {
					t.Fatal(err)
				}

				if x != true {
					t.Fatalf("want: %v, have: %v", true, x)
				}
			},
		},
		{
			name: "bool",
			f: func(t *testing.T) {
				x, err := Value("true").Bool()
				if err != nil {
					t.Fatal(err)
				}

				if x != true {
					t.Fatalf("want: %v, have: %v", true, x)
				}
			},
		},
		{
			name: "bool",
			f: func(t *testing.T) {
				x, err := Value("T").Bool()
				if err != nil {
					t.Fatal(err)
				}

				if x != true {
					t.Fatalf("want: %v, have: %v", true, x)
				}
			},
		},
		{
			name: "bool",
			f: func(t *testing.T) {
				x, err := Value("True").Bool()
				if err != nil {
					t.Fatal(err)
				}

				if x != true {
					t.Fatalf("want: %v, have: %v", true, x)
				}
			},
		},
		{
			name: "bool",
			f: func(t *testing.T) {
				x, err := Value("TRUE").Bool()
				if err != nil {
					t.Fatal(err)
				}

				if x != true {
					t.Fatalf("want: %v, have: %v", true, x)
				}
			},
		},
		{
			name: "bad bool",
			f: func(t *testing.T) {
				x, err := Value("unknown").Bool()
				if err == nil {
					t.Fatal("bool does not fail on incorrect values")
				}

				if x != false {
					t.Fatalf("want: %v, have: %v", false, x)
				}
			},
		},
		{
			name: "string slice",
			f: func(t *testing.T) {
				s := Value("a, b, c").StringSlice()
				want := []string{"a", "b", "c"}
				if !slices.Equal(s, want) {
					t.Fatalf("want: %v, have: %v", want, s)
				}
			},
		},
		{
			name: "int slice",
			f: func(t *testing.T) {
				x, err := Value("1, 2, 3").IntSlice()
				if err != nil {
					t.Fatal(err)
				}

				want := []int{1, 2, 3}
				if !slices.Equal(x, want) {
					t.Fatalf("want: %v, have: %v", want, x)
				}
			},
		},
		{
			name: "int slice",
			f: func(t *testing.T) {
				x, err := Value("1,2, 3").IntSlice()
				if err != nil {
					t.Fatal(err)
				}

				want := []int{1, 2, 3}
				if !slices.Equal(x, want) {
					t.Fatalf("want: %v, have: %v", want, x)
				}
			},
		},
		{
			name: "bad int slice",
			f: func(t *testing.T) {
				x, err := Value("1, a, 3").IntSlice()
				if err == nil {
					t.Fatal("int slice does not fail on incorrect value")
				}

				var want []int
				if !slices.Equal(x, want) {
					t.Fatalf("want: %v, have: %v", want, x)
				}
			},
		},
		{
			name: "float64 slice",
			f: func(t *testing.T) {
				x, err := Value("0.1, 0.2, 0.3").Float64Slice()
				if err != nil {
					t.Fatal(err)
				}

				want := []float64{0.1, 0.2, 0.3}
				if !slices.Equal(x, want) {
					t.Fatalf("want: %v, have: %v", want, x)
				}
			},
		},
		{
			name: "bad float64 slice",
			f: func(t *testing.T) {
				x, err := Value("0.1, a, 0.3").Float64Slice()
				if err == nil {
					t.Fatal("float slice does not fail on incorrect value")
				}

				var want []float64
				if !slices.Equal(x, want) {
					t.Fatalf("want: %v, have: %v", want, x)
				}
			},
		},
		{
			name: "map",
			f: func(t *testing.T) {
				x, err := Value("a: 1, b : 2, c :3").Map()
				if err != nil {
					t.Fatal("map fails on correct values")
				}

				want := Map{
					"a": Value("1"),
					"b": Value("2"),
					"c": Value("3"),
				}
				if !reflect.DeepEqual(x, want) {
					t.Fatalf("want: %v, have: %v", want, x)
				}
			},
		},
		{
			name: "map invalid",
			f: func(t *testing.T) {
				x, err := Value("a:1, b-2, c: 3").Map()
				if err == nil {
					t.Fatal("map does not fail on incorrect value")
				}

				var want Map

				if !reflect.DeepEqual(x, want) {
					t.Fatalf("want: %v, have: %v", want, x)
				}
			},
		},
		{
			name: "URL",
			f: func(t *testing.T) {
				x, err := Value("https://example.com:80").URL()
				if err != nil {
					t.Fatal(err)
				}

				want := &url.URL{
					Scheme: "http",
					Host:   "example.com:80",
				}

				if reflect.DeepEqual(want, x) {
					t.Fatalf("want: %v, have: %v", want, x)
				}
			},
		},
		{
			name: "bad URL",
			f: func(t *testing.T) {
				x, err := Value(":malformed://url/").URL()
				if err == nil {
					t.Fatal("url does not fail on incorrect input")
				}

				if x != nil {
					t.Fatalf("want: %v, have: %v", nil, x)
				}
			},
		},
	}

	for _, c := range tc {
		t.Run(c.name, func(t *testing.T) {
			c.f(t)
		})
	}
}