package main

import (
	"fmt"
	"testing"
)

func TestTypeFromValidation(t *testing.T) {
	for i, c := range []struct {
		expectedType      string
		expectedComment   string
		expectedOmitEmpty bool
		validation        interface{}
	}{
		{"string", "", true, ""},
		{"string", "default|custom", true, "default|custom"},
		{"string", ".{0,32}", true, ".{0,32}"},
		{"string", "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$|^$", false, "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$|^$"},

		{"int", "^([1-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$|^$", false, "^([1-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$|^$"},
		{"int", "", true, "^[0-9]*$"},

		{"float64", "", true, "[-+]?[0-9]*\\.?[0-9]+"},
		// this one is really an error as the . is not escaped
		{"float64", "", true, "^([-]?[\\d]+[.]?[\\d]*)$"},
		{"float64", "", true, "^([\\d]+[.]?[\\d]*)$"},

		{"bool", "", false, "false|true"},
		{"bool", "", false, "true|false"},
	} {
		t.Run(fmt.Sprintf("%d %s %s", i, c.expectedType, c.validation), func(t *testing.T) {
			actualType, actualComment, actualOmitEmpty, err := typeFromValidation(c.validation)
			if err != nil {
				t.Fatal(err)
			}
			if actualType != c.expectedType {
				t.Fatalf("expected type %q got %q", c.expectedType, actualType)
			}
			if actualComment != c.expectedComment {
				t.Fatalf("expected comment %q got %q", c.expectedComment, actualComment)
			}
			if actualOmitEmpty != c.expectedOmitEmpty {
				t.Fatalf("expected omitempty %t got %t", c.expectedOmitEmpty, actualOmitEmpty)
			}
		})
	}
}