package genopenapi

import (
	"encoding/json"
	"strings"
	"testing"

	"go.yaml.in/yaml/v3"
)

func newSpaceReplacer() *strings.Replacer {
	return strings.NewReplacer(" ", "", "\n", "", "\t", "")
}

func TestRawExample(t *testing.T) {
	t.Parallel()

	testCases := [...]struct {
		In  RawExample
		Exp string
	}{{
		In:  RawExample(`1`),
		Exp: `1`,
	}, {
		In:  RawExample(`"1"`),
		Exp: `"1"`,
	}, {
		In: RawExample(`{"hello":"worldr"}`),
		Exp: `
			hello:
				worldr
		`,
	}}

	sr := newSpaceReplacer()

	for _, tc := range testCases {
		tc := tc

		t.Run(string(tc.In), func(t *testing.T) {
			t.Parallel()

			ex := tc.In

			out, err := yaml.Marshal(ex)
			switch {
			case err != nil:
				t.Fatalf("expect no yaml marshal error, got: %s", err)
			case !json.Valid(tc.In):
				t.Fatalf("json is invalid: %#q", tc.In)
			case sr.Replace(tc.Exp) != sr.Replace(string(out)):
				t.Fatalf("expected: %s, actual: %s", tc.Exp, out)
			}

			out, err = json.Marshal(tc.In)
			switch {
			case err != nil:
				t.Fatalf("expect no json marshal error, got: %s", err)
			case sr.Replace(string(tc.In)) != sr.Replace(string(out)):
				t.Fatalf("expected: %s, actual: %s", tc.In, out)
			}
		})
	}
}

func TestOpenapiSchemaObjectProperties(t *testing.T) {
	t.Parallel()

	v := map[string]interface{}{
		"example": openapiSchemaObjectProperties{{
			Key:   "test1",
			Value: 1,
		}, {
			Key:   "test2",
			Value: 2,
		}},
	}

	t.Run("yaml", func(t *testing.T) {
		t.Parallel()

		const exp = `
			example:
				test1: 1
				test2: 2
			`

		sr := newSpaceReplacer()

		out, err := yaml.Marshal(v)
		switch {
		case err != nil:
			t.Fatalf("expect no marshal error, got: %s", err)
		case sr.Replace(exp) != sr.Replace(string(out)):
			t.Fatalf("expected: %s, actual: %s", exp, out)
		}
	})

	t.Run("json", func(t *testing.T) {
		t.Parallel()

		const exp = `{"example":{"test1":1,"test2":2}}`

		got, err := json.Marshal(v)
		switch {
		case err != nil:
			t.Fatalf("expect no marshal error, got: %s", err)
		case exp != string(got):
			t.Fatalf("expected: %s, actual: %s", exp, got)
		}
	})
}
